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milli64.S revision 1.3
      1  1.1  mrg /* 32 and 64-bit millicode, original author Hewlett-Packard
      2  1.1  mrg    adapted for gcc by Paul Bame <bame (at) debian.org>
      3  1.1  mrg    and Alan Modra <alan (at) linuxcare.com.au>.
      4  1.1  mrg 
      5  1.3  mrg    Copyright (C) 2001-2015 Free Software Foundation, Inc.
      6  1.1  mrg 
      7  1.1  mrg This file is part of GCC.
      8  1.1  mrg 
      9  1.1  mrg GCC is free software; you can redistribute it and/or modify it under
     10  1.1  mrg the terms of the GNU General Public License as published by the Free
     11  1.1  mrg Software Foundation; either version 3, or (at your option) any later
     12  1.1  mrg version.
     13  1.1  mrg 
     14  1.1  mrg GCC is distributed in the hope that it will be useful, but WITHOUT ANY
     15  1.1  mrg WARRANTY; without even the implied warranty of MERCHANTABILITY or
     16  1.1  mrg FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
     17  1.1  mrg for more details.
     18  1.1  mrg 
     19  1.1  mrg Under Section 7 of GPL version 3, you are granted additional
     20  1.1  mrg permissions described in the GCC Runtime Library Exception, version
     21  1.1  mrg 3.1, as published by the Free Software Foundation.
     22  1.1  mrg 
     23  1.1  mrg You should have received a copy of the GNU General Public License and
     24  1.1  mrg a copy of the GCC Runtime Library Exception along with this program;
     25  1.1  mrg see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     26  1.1  mrg <http://www.gnu.org/licenses/>.  */
     27  1.1  mrg 
     28  1.1  mrg #ifdef pa64
     29  1.1  mrg         .level  2.0w
     30  1.1  mrg #endif
     31  1.1  mrg 
     32  1.1  mrg /* Hardware General Registers.  */
     33  1.1  mrg r0:	.reg	%r0
     34  1.1  mrg r1:	.reg	%r1
     35  1.1  mrg r2:	.reg	%r2
     36  1.1  mrg r3:	.reg	%r3
     37  1.1  mrg r4:	.reg	%r4
     38  1.1  mrg r5:	.reg	%r5
     39  1.1  mrg r6:	.reg	%r6
     40  1.1  mrg r7:	.reg	%r7
     41  1.1  mrg r8:	.reg	%r8
     42  1.1  mrg r9:	.reg	%r9
     43  1.1  mrg r10:	.reg	%r10
     44  1.1  mrg r11:	.reg	%r11
     45  1.1  mrg r12:	.reg	%r12
     46  1.1  mrg r13:	.reg	%r13
     47  1.1  mrg r14:	.reg	%r14
     48  1.1  mrg r15:	.reg	%r15
     49  1.1  mrg r16:	.reg	%r16
     50  1.1  mrg r17:	.reg	%r17
     51  1.1  mrg r18:	.reg	%r18
     52  1.1  mrg r19:	.reg	%r19
     53  1.1  mrg r20:	.reg	%r20
     54  1.1  mrg r21:	.reg	%r21
     55  1.1  mrg r22:	.reg	%r22
     56  1.1  mrg r23:	.reg	%r23
     57  1.1  mrg r24:	.reg	%r24
     58  1.1  mrg r25:	.reg	%r25
     59  1.1  mrg r26:	.reg	%r26
     60  1.1  mrg r27:	.reg	%r27
     61  1.1  mrg r28:	.reg	%r28
     62  1.1  mrg r29:	.reg	%r29
     63  1.1  mrg r30:	.reg	%r30
     64  1.1  mrg r31:	.reg	%r31
     65  1.1  mrg 
     66  1.1  mrg /* Hardware Space Registers.  */
     67  1.1  mrg sr0:	.reg	%sr0
     68  1.1  mrg sr1:	.reg	%sr1
     69  1.1  mrg sr2:	.reg	%sr2
     70  1.1  mrg sr3:	.reg	%sr3
     71  1.1  mrg sr4:	.reg	%sr4
     72  1.1  mrg sr5:	.reg	%sr5
     73  1.1  mrg sr6:	.reg	%sr6
     74  1.1  mrg sr7:	.reg	%sr7
     75  1.1  mrg 
     76  1.1  mrg /* Hardware Floating Point Registers.  */
     77  1.1  mrg fr0:	.reg	%fr0
     78  1.1  mrg fr1:	.reg	%fr1
     79  1.1  mrg fr2:	.reg	%fr2
     80  1.1  mrg fr3:	.reg	%fr3
     81  1.1  mrg fr4:	.reg	%fr4
     82  1.1  mrg fr5:	.reg	%fr5
     83  1.1  mrg fr6:	.reg	%fr6
     84  1.1  mrg fr7:	.reg	%fr7
     85  1.1  mrg fr8:	.reg	%fr8
     86  1.1  mrg fr9:	.reg	%fr9
     87  1.1  mrg fr10:	.reg	%fr10
     88  1.1  mrg fr11:	.reg	%fr11
     89  1.1  mrg fr12:	.reg	%fr12
     90  1.1  mrg fr13:	.reg	%fr13
     91  1.1  mrg fr14:	.reg	%fr14
     92  1.1  mrg fr15:	.reg	%fr15
     93  1.1  mrg 
     94  1.1  mrg /* Hardware Control Registers.  */
     95  1.1  mrg cr11:	.reg	%cr11
     96  1.1  mrg sar:	.reg	%cr11	/* Shift Amount Register */
     97  1.1  mrg 
     98  1.1  mrg /* Software Architecture General Registers.  */
     99  1.1  mrg rp:	.reg    r2	/* return pointer */
    100  1.1  mrg #ifdef pa64
    101  1.1  mrg mrp:	.reg	r2 	/* millicode return pointer */
    102  1.1  mrg #else
    103  1.1  mrg mrp:	.reg	r31	/* millicode return pointer */
    104  1.1  mrg #endif
    105  1.1  mrg ret0:	.reg    r28	/* return value */
    106  1.1  mrg ret1:	.reg    r29	/* return value (high part of double) */
    107  1.1  mrg sp:	.reg 	r30	/* stack pointer */
    108  1.1  mrg dp:	.reg	r27	/* data pointer */
    109  1.1  mrg arg0:	.reg	r26	/* argument */
    110  1.1  mrg arg1:	.reg	r25	/* argument or high part of double argument */
    111  1.1  mrg arg2:	.reg	r24	/* argument */
    112  1.1  mrg arg3:	.reg	r23	/* argument or high part of double argument */
    113  1.1  mrg 
    114  1.1  mrg /* Software Architecture Space Registers.  */
    115  1.1  mrg /* 		sr0	; return link from BLE */
    116  1.1  mrg sret:	.reg	sr1	/* return value */
    117  1.1  mrg sarg:	.reg	sr1	/* argument */
    118  1.1  mrg /* 		sr4	; PC SPACE tracker */
    119  1.1  mrg /* 		sr5	; process private data */
    120  1.1  mrg 
    121  1.1  mrg /* Frame Offsets (millicode convention!)  Used when calling other
    122  1.1  mrg    millicode routines.  Stack unwinding is dependent upon these
    123  1.1  mrg    definitions.  */
    124  1.1  mrg r31_slot:	.equ	-20	/* "current RP" slot */
    125  1.1  mrg sr0_slot:	.equ	-16     /* "static link" slot */
    126  1.1  mrg #if defined(pa64)
    127  1.1  mrg mrp_slot:       .equ    -16	/* "current RP" slot */
    128  1.1  mrg psp_slot:       .equ    -8	/* "previous SP" slot */
    129  1.1  mrg #else
    130  1.1  mrg mrp_slot:	.equ	-20     /* "current RP" slot (replacing "r31_slot") */
    131  1.1  mrg #endif
    132  1.1  mrg 
    133  1.1  mrg 
    134  1.1  mrg #define DEFINE(name,value)name:	.EQU	value
    135  1.1  mrg #define RDEFINE(name,value)name:	.REG	value
    136  1.1  mrg #ifdef milliext
    137  1.1  mrg #define MILLI_BE(lbl)   BE    lbl(sr7,r0)
    138  1.1  mrg #define MILLI_BEN(lbl)  BE,n  lbl(sr7,r0)
    139  1.1  mrg #define MILLI_BLE(lbl)	BLE   lbl(sr7,r0)
    140  1.1  mrg #define MILLI_BLEN(lbl)	BLE,n lbl(sr7,r0)
    141  1.1  mrg #define MILLIRETN	BE,n  0(sr0,mrp)
    142  1.1  mrg #define MILLIRET	BE    0(sr0,mrp)
    143  1.1  mrg #define MILLI_RETN	BE,n  0(sr0,mrp)
    144  1.1  mrg #define MILLI_RET	BE    0(sr0,mrp)
    145  1.1  mrg #else
    146  1.1  mrg #define MILLI_BE(lbl)	B     lbl
    147  1.1  mrg #define MILLI_BEN(lbl)  B,n   lbl
    148  1.1  mrg #define MILLI_BLE(lbl)	BL    lbl,mrp
    149  1.1  mrg #define MILLI_BLEN(lbl)	BL,n  lbl,mrp
    150  1.1  mrg #define MILLIRETN	BV,n  0(mrp)
    151  1.1  mrg #define MILLIRET	BV    0(mrp)
    152  1.1  mrg #define MILLI_RETN	BV,n  0(mrp)
    153  1.1  mrg #define MILLI_RET	BV    0(mrp)
    154  1.1  mrg #endif
    155  1.1  mrg 
    156  1.1  mrg #ifdef __STDC__
    157  1.1  mrg #define CAT(a,b)	a##b
    158  1.1  mrg #else
    159  1.1  mrg #define CAT(a,b)	a/**/b
    160  1.1  mrg #endif
    161  1.1  mrg 
    162  1.1  mrg #ifdef ELF
    163  1.1  mrg #define SUBSPA_MILLI	 .section .text
    164  1.1  mrg #define SUBSPA_MILLI_DIV .section .text.div,"ax",@progbits! .align 16
    165  1.1  mrg #define SUBSPA_MILLI_MUL .section .text.mul,"ax",@progbits! .align 16
    166  1.1  mrg #define ATTR_MILLI
    167  1.1  mrg #define SUBSPA_DATA	 .section .data
    168  1.1  mrg #define ATTR_DATA
    169  1.1  mrg #define GLOBAL		 $global$
    170  1.1  mrg #define GSYM(sym) 	 !sym:
    171  1.1  mrg #define LSYM(sym)	 !CAT(.L,sym:)
    172  1.1  mrg #define LREF(sym)	 CAT(.L,sym)
    173  1.1  mrg 
    174  1.1  mrg #else
    175  1.1  mrg 
    176  1.1  mrg #ifdef coff
    177  1.1  mrg /* This used to be .milli but since link32 places different named
    178  1.1  mrg    sections in different segments millicode ends up a long ways away
    179  1.1  mrg    from .text (1meg?).  This way they will be a lot closer.
    180  1.1  mrg 
    181  1.1  mrg    The SUBSPA_MILLI_* specify locality sets for certain millicode
    182  1.1  mrg    modules in order to ensure that modules that call one another are
    183  1.1  mrg    placed close together. Without locality sets this is unlikely to
    184  1.1  mrg    happen because of the Dynamite linker library search algorithm. We
    185  1.1  mrg    want these modules close together so that short calls always reach
    186  1.1  mrg    (we don't want to require long calls or use long call stubs).  */
    187  1.1  mrg 
    188  1.1  mrg #define SUBSPA_MILLI	 .subspa .text
    189  1.1  mrg #define SUBSPA_MILLI_DIV .subspa .text$dv,align=16
    190  1.1  mrg #define SUBSPA_MILLI_MUL .subspa .text$mu,align=16
    191  1.1  mrg #define ATTR_MILLI	 .attr code,read,execute
    192  1.1  mrg #define SUBSPA_DATA	 .subspa .data
    193  1.1  mrg #define ATTR_DATA	 .attr init_data,read,write
    194  1.1  mrg #define GLOBAL		 _gp
    195  1.1  mrg #else
    196  1.1  mrg #define SUBSPA_MILLI	 .subspa $MILLICODE$,QUAD=0,ALIGN=4,ACCESS=0x2c,SORT=8
    197  1.1  mrg #define SUBSPA_MILLI_DIV SUBSPA_MILLI
    198  1.1  mrg #define SUBSPA_MILLI_MUL SUBSPA_MILLI
    199  1.1  mrg #define ATTR_MILLI
    200  1.1  mrg #define SUBSPA_DATA	 .subspa $BSS$,quad=1,align=8,access=0x1f,sort=80,zero
    201  1.1  mrg #define ATTR_DATA
    202  1.1  mrg #define GLOBAL		 $global$
    203  1.1  mrg #endif
    204  1.1  mrg #define SPACE_DATA	 .space $PRIVATE$,spnum=1,sort=16
    205  1.1  mrg 
    206  1.1  mrg #define GSYM(sym)	 !sym
    207  1.1  mrg #define LSYM(sym)	 !CAT(L$,sym)
    208  1.1  mrg #define LREF(sym)	 CAT(L$,sym)
    209  1.1  mrg #endif
    210  1.1  mrg 
    211  1.1  mrg #ifdef L_dyncall
    212  1.1  mrg 	SUBSPA_MILLI
    213  1.1  mrg 	ATTR_DATA
    214  1.1  mrg GSYM($$dyncall)
    215  1.1  mrg 	.export $$dyncall,millicode
    216  1.1  mrg 	.proc
    217  1.1  mrg 	.callinfo	millicode
    218  1.1  mrg 	.entry
    219  1.1  mrg 	bb,>=,n %r22,30,LREF(1)		; branch if not plabel address
    220  1.1  mrg 	depi	0,31,2,%r22		; clear the two least significant bits
    221  1.1  mrg 	ldw	4(%r22),%r19		; load new LTP value
    222  1.1  mrg 	ldw	0(%r22),%r22		; load address of target
    223  1.1  mrg LSYM(1)
    224  1.1  mrg #ifdef LINUX
    225  1.1  mrg 	bv	%r0(%r22)		; branch to the real target
    226  1.1  mrg #else
    227  1.1  mrg 	ldsid	(%sr0,%r22),%r1		; get the "space ident" selected by r22
    228  1.1  mrg 	mtsp	%r1,%sr0		; move that space identifier into sr0
    229  1.1  mrg 	be	0(%sr0,%r22)		; branch to the real target
    230  1.1  mrg #endif
    231  1.1  mrg 	stw	%r2,-24(%r30)		; save return address into frame marker
    232  1.1  mrg 	.exit
    233  1.1  mrg 	.procend
    234  1.1  mrg #endif
    235  1.1  mrg 
    236  1.1  mrg #ifdef L_divI
    237  1.1  mrg /* ROUTINES:	$$divI, $$divoI
    238  1.1  mrg 
    239  1.1  mrg    Single precision divide for signed binary integers.
    240  1.1  mrg 
    241  1.1  mrg    The quotient is truncated towards zero.
    242  1.1  mrg    The sign of the quotient is the XOR of the signs of the dividend and
    243  1.1  mrg    divisor.
    244  1.1  mrg    Divide by zero is trapped.
    245  1.1  mrg    Divide of -2**31 by -1 is trapped for $$divoI but not for $$divI.
    246  1.1  mrg 
    247  1.1  mrg    INPUT REGISTERS:
    248  1.1  mrg    .	arg0 ==	dividend
    249  1.1  mrg    .	arg1 ==	divisor
    250  1.1  mrg    .	mrp  == return pc
    251  1.1  mrg    .	sr0  == return space when called externally
    252  1.1  mrg 
    253  1.1  mrg    OUTPUT REGISTERS:
    254  1.1  mrg    .	arg0 =	undefined
    255  1.1  mrg    .	arg1 =	undefined
    256  1.1  mrg    .	ret1 =	quotient
    257  1.1  mrg 
    258  1.1  mrg    OTHER REGISTERS AFFECTED:
    259  1.1  mrg    .	r1   =	undefined
    260  1.1  mrg 
    261  1.1  mrg    SIDE EFFECTS:
    262  1.1  mrg    .	Causes a trap under the following conditions:
    263  1.1  mrg    .		divisor is zero  (traps with ADDIT,=  0,25,0)
    264  1.1  mrg    .		dividend==-2**31  and divisor==-1 and routine is $$divoI
    265  1.1  mrg    .				 (traps with ADDO  26,25,0)
    266  1.1  mrg    .	Changes memory at the following places:
    267  1.1  mrg    .		NONE
    268  1.1  mrg 
    269  1.1  mrg    PERMISSIBLE CONTEXT:
    270  1.1  mrg    .	Unwindable.
    271  1.1  mrg    .	Suitable for internal or external millicode.
    272  1.1  mrg    .	Assumes the special millicode register conventions.
    273  1.1  mrg 
    274  1.1  mrg    DISCUSSION:
    275  1.1  mrg    .	Branchs to other millicode routines using BE
    276  1.1  mrg    .		$$div_# for # being 2,3,4,5,6,7,8,9,10,12,14,15
    277  1.1  mrg    .
    278  1.1  mrg    .	For selected divisors, calls a divide by constant routine written by
    279  1.1  mrg    .	Karl Pettis.  Eligible divisors are 1..15 excluding 11 and 13.
    280  1.1  mrg    .
    281  1.1  mrg    .	The only overflow case is -2**31 divided by -1.
    282  1.1  mrg    .	Both routines return -2**31 but only $$divoI traps.  */
    283  1.1  mrg 
    284  1.1  mrg RDEFINE(temp,r1)
    285  1.1  mrg RDEFINE(retreg,ret1)	/*  r29 */
    286  1.1  mrg RDEFINE(temp1,arg0)
    287  1.1  mrg 	SUBSPA_MILLI_DIV
    288  1.1  mrg 	ATTR_MILLI
    289  1.1  mrg 	.import $$divI_2,millicode
    290  1.1  mrg 	.import $$divI_3,millicode
    291  1.1  mrg 	.import $$divI_4,millicode
    292  1.1  mrg 	.import $$divI_5,millicode
    293  1.1  mrg 	.import $$divI_6,millicode
    294  1.1  mrg 	.import $$divI_7,millicode
    295  1.1  mrg 	.import $$divI_8,millicode
    296  1.1  mrg 	.import $$divI_9,millicode
    297  1.1  mrg 	.import $$divI_10,millicode
    298  1.1  mrg 	.import $$divI_12,millicode
    299  1.1  mrg 	.import $$divI_14,millicode
    300  1.1  mrg 	.import $$divI_15,millicode
    301  1.1  mrg 	.export $$divI,millicode
    302  1.1  mrg 	.export	$$divoI,millicode
    303  1.1  mrg 	.proc
    304  1.1  mrg 	.callinfo	millicode
    305  1.1  mrg 	.entry
    306  1.1  mrg GSYM($$divoI)
    307  1.1  mrg 	comib,=,n  -1,arg1,LREF(negative1)	/*  when divisor == -1 */
    308  1.1  mrg GSYM($$divI)
    309  1.1  mrg 	ldo	-1(arg1),temp		/*  is there at most one bit set ? */
    310  1.1  mrg 	and,<>	arg1,temp,r0		/*  if not, don't use power of 2 divide */
    311  1.1  mrg 	addi,>	0,arg1,r0		/*  if divisor > 0, use power of 2 divide */
    312  1.1  mrg 	b,n	LREF(neg_denom)
    313  1.1  mrg LSYM(pow2)
    314  1.1  mrg 	addi,>=	0,arg0,retreg		/*  if numerator is negative, add the */
    315  1.1  mrg 	add	arg0,temp,retreg	/*  (denominaotr -1) to correct for shifts */
    316  1.1  mrg 	extru,=	arg1,15,16,temp		/*  test denominator with 0xffff0000 */
    317  1.1  mrg 	extrs	retreg,15,16,retreg	/*  retreg = retreg >> 16 */
    318  1.1  mrg 	or	arg1,temp,arg1		/*  arg1 = arg1 | (arg1 >> 16) */
    319  1.1  mrg 	ldi	0xcc,temp1		/*  setup 0xcc in temp1 */
    320  1.1  mrg 	extru,= arg1,23,8,temp		/*  test denominator with 0xff00 */
    321  1.1  mrg 	extrs	retreg,23,24,retreg	/*  retreg = retreg >> 8 */
    322  1.1  mrg 	or	arg1,temp,arg1		/*  arg1 = arg1 | (arg1 >> 8) */
    323  1.1  mrg 	ldi	0xaa,temp		/*  setup 0xaa in temp */
    324  1.1  mrg 	extru,= arg1,27,4,r0		/*  test denominator with 0xf0 */
    325  1.1  mrg 	extrs	retreg,27,28,retreg	/*  retreg = retreg >> 4 */
    326  1.1  mrg 	and,=	arg1,temp1,r0		/*  test denominator with 0xcc */
    327  1.1  mrg 	extrs	retreg,29,30,retreg	/*  retreg = retreg >> 2 */
    328  1.1  mrg 	and,=	arg1,temp,r0		/*  test denominator with 0xaa */
    329  1.1  mrg 	extrs	retreg,30,31,retreg	/*  retreg = retreg >> 1 */
    330  1.1  mrg 	MILLIRETN
    331  1.1  mrg LSYM(neg_denom)
    332  1.1  mrg 	addi,<	0,arg1,r0		/*  if arg1 >= 0, it's not power of 2 */
    333  1.1  mrg 	b,n	LREF(regular_seq)
    334  1.1  mrg 	sub	r0,arg1,temp		/*  make denominator positive */
    335  1.1  mrg 	comb,=,n  arg1,temp,LREF(regular_seq)	/*  test against 0x80000000 and 0 */
    336  1.1  mrg 	ldo	-1(temp),retreg		/*  is there at most one bit set ? */
    337  1.1  mrg 	and,=	temp,retreg,r0		/*  if so, the denominator is power of 2 */
    338  1.1  mrg 	b,n	LREF(regular_seq)
    339  1.1  mrg 	sub	r0,arg0,retreg		/*  negate numerator */
    340  1.1  mrg 	comb,=,n arg0,retreg,LREF(regular_seq) /*  test against 0x80000000 */
    341  1.1  mrg 	copy	retreg,arg0		/*  set up arg0, arg1 and temp	*/
    342  1.1  mrg 	copy	temp,arg1		/*  before branching to pow2 */
    343  1.1  mrg 	b	LREF(pow2)
    344  1.1  mrg 	ldo	-1(arg1),temp
    345  1.1  mrg LSYM(regular_seq)
    346  1.1  mrg 	comib,>>=,n 15,arg1,LREF(small_divisor)
    347  1.1  mrg 	add,>=	0,arg0,retreg		/*  move dividend, if retreg < 0, */
    348  1.1  mrg LSYM(normal)
    349  1.1  mrg 	subi	0,retreg,retreg		/*    make it positive */
    350  1.1  mrg 	sub	0,arg1,temp		/*  clear carry,  */
    351  1.1  mrg 					/*    negate the divisor */
    352  1.1  mrg 	ds	0,temp,0		/*  set V-bit to the comple- */
    353  1.1  mrg 					/*    ment of the divisor sign */
    354  1.1  mrg 	add	retreg,retreg,retreg	/*  shift msb bit into carry */
    355  1.1  mrg 	ds	r0,arg1,temp		/*  1st divide step, if no carry */
    356  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    357  1.1  mrg 	ds	temp,arg1,temp		/*  2nd divide step */
    358  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    359  1.1  mrg 	ds	temp,arg1,temp		/*  3rd divide step */
    360  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    361  1.1  mrg 	ds	temp,arg1,temp		/*  4th divide step */
    362  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    363  1.1  mrg 	ds	temp,arg1,temp		/*  5th divide step */
    364  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    365  1.1  mrg 	ds	temp,arg1,temp		/*  6th divide step */
    366  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    367  1.1  mrg 	ds	temp,arg1,temp		/*  7th divide step */
    368  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    369  1.1  mrg 	ds	temp,arg1,temp		/*  8th divide step */
    370  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    371  1.1  mrg 	ds	temp,arg1,temp		/*  9th divide step */
    372  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    373  1.1  mrg 	ds	temp,arg1,temp		/*  10th divide step */
    374  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    375  1.1  mrg 	ds	temp,arg1,temp		/*  11th divide step */
    376  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    377  1.1  mrg 	ds	temp,arg1,temp		/*  12th divide step */
    378  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    379  1.1  mrg 	ds	temp,arg1,temp		/*  13th divide step */
    380  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    381  1.1  mrg 	ds	temp,arg1,temp		/*  14th divide step */
    382  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    383  1.1  mrg 	ds	temp,arg1,temp		/*  15th divide step */
    384  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    385  1.1  mrg 	ds	temp,arg1,temp		/*  16th divide step */
    386  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    387  1.1  mrg 	ds	temp,arg1,temp		/*  17th divide step */
    388  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    389  1.1  mrg 	ds	temp,arg1,temp		/*  18th divide step */
    390  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    391  1.1  mrg 	ds	temp,arg1,temp		/*  19th divide step */
    392  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    393  1.1  mrg 	ds	temp,arg1,temp		/*  20th divide step */
    394  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    395  1.1  mrg 	ds	temp,arg1,temp		/*  21st divide step */
    396  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    397  1.1  mrg 	ds	temp,arg1,temp		/*  22nd divide step */
    398  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    399  1.1  mrg 	ds	temp,arg1,temp		/*  23rd divide step */
    400  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    401  1.1  mrg 	ds	temp,arg1,temp		/*  24th divide step */
    402  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    403  1.1  mrg 	ds	temp,arg1,temp		/*  25th divide step */
    404  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    405  1.1  mrg 	ds	temp,arg1,temp		/*  26th divide step */
    406  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    407  1.1  mrg 	ds	temp,arg1,temp		/*  27th divide step */
    408  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    409  1.1  mrg 	ds	temp,arg1,temp		/*  28th divide step */
    410  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    411  1.1  mrg 	ds	temp,arg1,temp		/*  29th divide step */
    412  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    413  1.1  mrg 	ds	temp,arg1,temp		/*  30th divide step */
    414  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    415  1.1  mrg 	ds	temp,arg1,temp		/*  31st divide step */
    416  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift retreg with/into carry */
    417  1.1  mrg 	ds	temp,arg1,temp		/*  32nd divide step, */
    418  1.1  mrg 	addc	retreg,retreg,retreg	/*  shift last retreg bit into retreg */
    419  1.1  mrg 	xor,>=	arg0,arg1,0		/*  get correct sign of quotient */
    420  1.1  mrg 	  sub	0,retreg,retreg		/*    based on operand signs */
    421  1.1  mrg 	MILLIRETN
    422  1.1  mrg 	nop
    423  1.1  mrg 
    424  1.1  mrg LSYM(small_divisor)
    425  1.1  mrg 
    426  1.1  mrg #if defined(pa64)
    427  1.1  mrg /*  Clear the upper 32 bits of the arg1 register.  We are working with	*/
    428  1.1  mrg /*  small divisors (and 32-bit integers)   We must not be mislead  */
    429  1.1  mrg /*  by "1" bits left in the upper 32 bits.  */
    430  1.1  mrg 	depd %r0,31,32,%r25
    431  1.1  mrg #endif
    432  1.1  mrg 	blr,n	arg1,r0
    433  1.1  mrg 	nop
    434  1.1  mrg /*  table for divisor == 0,1, ... ,15 */
    435  1.1  mrg 	addit,=	0,arg1,r0	/*  trap if divisor == 0 */
    436  1.1  mrg 	nop
    437  1.1  mrg 	MILLIRET		/*  divisor == 1 */
    438  1.1  mrg 	copy	arg0,retreg
    439  1.1  mrg 	MILLI_BEN($$divI_2)	/*  divisor == 2 */
    440  1.1  mrg 	nop
    441  1.1  mrg 	MILLI_BEN($$divI_3)	/*  divisor == 3 */
    442  1.1  mrg 	nop
    443  1.1  mrg 	MILLI_BEN($$divI_4)	/*  divisor == 4 */
    444  1.1  mrg 	nop
    445  1.1  mrg 	MILLI_BEN($$divI_5)	/*  divisor == 5 */
    446  1.1  mrg 	nop
    447  1.1  mrg 	MILLI_BEN($$divI_6)	/*  divisor == 6 */
    448  1.1  mrg 	nop
    449  1.1  mrg 	MILLI_BEN($$divI_7)	/*  divisor == 7 */
    450  1.1  mrg 	nop
    451  1.1  mrg 	MILLI_BEN($$divI_8)	/*  divisor == 8 */
    452  1.1  mrg 	nop
    453  1.1  mrg 	MILLI_BEN($$divI_9)	/*  divisor == 9 */
    454  1.1  mrg 	nop
    455  1.1  mrg 	MILLI_BEN($$divI_10)	/*  divisor == 10 */
    456  1.1  mrg 	nop
    457  1.1  mrg 	b	LREF(normal)		/*  divisor == 11 */
    458  1.1  mrg 	add,>=	0,arg0,retreg
    459  1.1  mrg 	MILLI_BEN($$divI_12)	/*  divisor == 12 */
    460  1.1  mrg 	nop
    461  1.1  mrg 	b	LREF(normal)		/*  divisor == 13 */
    462  1.1  mrg 	add,>=	0,arg0,retreg
    463  1.1  mrg 	MILLI_BEN($$divI_14)	/*  divisor == 14 */
    464  1.1  mrg 	nop
    465  1.1  mrg 	MILLI_BEN($$divI_15)	/*  divisor == 15 */
    466  1.1  mrg 	nop
    467  1.1  mrg 
    468  1.1  mrg LSYM(negative1)
    469  1.1  mrg 	sub	0,arg0,retreg	/*  result is negation of dividend */
    470  1.1  mrg 	MILLIRET
    471  1.1  mrg 	addo	arg0,arg1,r0	/*  trap iff dividend==0x80000000 && divisor==-1 */
    472  1.1  mrg 	.exit
    473  1.1  mrg 	.procend
    474  1.1  mrg 	.end
    475  1.1  mrg #endif
    476  1.1  mrg 
    477  1.1  mrg #ifdef L_divU
    478  1.1  mrg /* ROUTINE:	$$divU
    479  1.1  mrg    .
    480  1.1  mrg    .	Single precision divide for unsigned integers.
    481  1.1  mrg    .
    482  1.1  mrg    .	Quotient is truncated towards zero.
    483  1.1  mrg    .	Traps on divide by zero.
    484  1.1  mrg 
    485  1.1  mrg    INPUT REGISTERS:
    486  1.1  mrg    .	arg0 ==	dividend
    487  1.1  mrg    .	arg1 ==	divisor
    488  1.1  mrg    .	mrp  == return pc
    489  1.1  mrg    .	sr0  == return space when called externally
    490  1.1  mrg 
    491  1.1  mrg    OUTPUT REGISTERS:
    492  1.1  mrg    .	arg0 =	undefined
    493  1.1  mrg    .	arg1 =	undefined
    494  1.1  mrg    .	ret1 =	quotient
    495  1.1  mrg 
    496  1.1  mrg    OTHER REGISTERS AFFECTED:
    497  1.1  mrg    .	r1   =	undefined
    498  1.1  mrg 
    499  1.1  mrg    SIDE EFFECTS:
    500  1.1  mrg    .	Causes a trap under the following conditions:
    501  1.1  mrg    .		divisor is zero
    502  1.1  mrg    .	Changes memory at the following places:
    503  1.1  mrg    .		NONE
    504  1.1  mrg 
    505  1.1  mrg    PERMISSIBLE CONTEXT:
    506  1.1  mrg    .	Unwindable.
    507  1.1  mrg    .	Does not create a stack frame.
    508  1.1  mrg    .	Suitable for internal or external millicode.
    509  1.1  mrg    .	Assumes the special millicode register conventions.
    510  1.1  mrg 
    511  1.1  mrg    DISCUSSION:
    512  1.1  mrg    .	Branchs to other millicode routines using BE:
    513  1.1  mrg    .		$$divU_# for 3,5,6,7,9,10,12,14,15
    514  1.1  mrg    .
    515  1.1  mrg    .	For selected small divisors calls the special divide by constant
    516  1.1  mrg    .	routines written by Karl Pettis.  These are: 3,5,6,7,9,10,12,14,15.  */
    517  1.1  mrg 
    518  1.1  mrg RDEFINE(temp,r1)
    519  1.1  mrg RDEFINE(retreg,ret1)	/* r29 */
    520  1.1  mrg RDEFINE(temp1,arg0)
    521  1.1  mrg 	SUBSPA_MILLI_DIV
    522  1.1  mrg 	ATTR_MILLI
    523  1.1  mrg 	.export $$divU,millicode
    524  1.1  mrg 	.import $$divU_3,millicode
    525  1.1  mrg 	.import $$divU_5,millicode
    526  1.1  mrg 	.import $$divU_6,millicode
    527  1.1  mrg 	.import $$divU_7,millicode
    528  1.1  mrg 	.import $$divU_9,millicode
    529  1.1  mrg 	.import $$divU_10,millicode
    530  1.1  mrg 	.import $$divU_12,millicode
    531  1.1  mrg 	.import $$divU_14,millicode
    532  1.1  mrg 	.import $$divU_15,millicode
    533  1.1  mrg 	.proc
    534  1.1  mrg 	.callinfo	millicode
    535  1.1  mrg 	.entry
    536  1.1  mrg GSYM($$divU)
    537  1.1  mrg /* The subtract is not nullified since it does no harm and can be used
    538  1.1  mrg    by the two cases that branch back to "normal".  */
    539  1.1  mrg 	ldo	-1(arg1),temp		/* is there at most one bit set ? */
    540  1.1  mrg 	and,=	arg1,temp,r0		/* if so, denominator is power of 2 */
    541  1.1  mrg 	b	LREF(regular_seq)
    542  1.1  mrg 	addit,=	0,arg1,0		/* trap for zero dvr */
    543  1.1  mrg 	copy	arg0,retreg
    544  1.1  mrg 	extru,= arg1,15,16,temp		/* test denominator with 0xffff0000 */
    545  1.1  mrg 	extru	retreg,15,16,retreg	/* retreg = retreg >> 16 */
    546  1.1  mrg 	or	arg1,temp,arg1		/* arg1 = arg1 | (arg1 >> 16) */
    547  1.1  mrg 	ldi	0xcc,temp1		/* setup 0xcc in temp1 */
    548  1.1  mrg 	extru,= arg1,23,8,temp		/* test denominator with 0xff00 */
    549  1.1  mrg 	extru	retreg,23,24,retreg	/* retreg = retreg >> 8 */
    550  1.1  mrg 	or	arg1,temp,arg1		/* arg1 = arg1 | (arg1 >> 8) */
    551  1.1  mrg 	ldi	0xaa,temp		/* setup 0xaa in temp */
    552  1.1  mrg 	extru,= arg1,27,4,r0		/* test denominator with 0xf0 */
    553  1.1  mrg 	extru	retreg,27,28,retreg	/* retreg = retreg >> 4 */
    554  1.1  mrg 	and,=	arg1,temp1,r0		/* test denominator with 0xcc */
    555  1.1  mrg 	extru	retreg,29,30,retreg	/* retreg = retreg >> 2 */
    556  1.1  mrg 	and,=	arg1,temp,r0		/* test denominator with 0xaa */
    557  1.1  mrg 	extru	retreg,30,31,retreg	/* retreg = retreg >> 1 */
    558  1.1  mrg 	MILLIRETN
    559  1.1  mrg 	nop
    560  1.1  mrg LSYM(regular_seq)
    561  1.1  mrg 	comib,>=  15,arg1,LREF(special_divisor)
    562  1.1  mrg 	subi	0,arg1,temp		/* clear carry, negate the divisor */
    563  1.1  mrg 	ds	r0,temp,r0		/* set V-bit to 1 */
    564  1.1  mrg LSYM(normal)
    565  1.1  mrg 	add	arg0,arg0,retreg	/* shift msb bit into carry */
    566  1.1  mrg 	ds	r0,arg1,temp		/* 1st divide step, if no carry */
    567  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    568  1.1  mrg 	ds	temp,arg1,temp		/* 2nd divide step */
    569  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    570  1.1  mrg 	ds	temp,arg1,temp		/* 3rd divide step */
    571  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    572  1.1  mrg 	ds	temp,arg1,temp		/* 4th divide step */
    573  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    574  1.1  mrg 	ds	temp,arg1,temp		/* 5th divide step */
    575  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    576  1.1  mrg 	ds	temp,arg1,temp		/* 6th divide step */
    577  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    578  1.1  mrg 	ds	temp,arg1,temp		/* 7th divide step */
    579  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    580  1.1  mrg 	ds	temp,arg1,temp		/* 8th divide step */
    581  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    582  1.1  mrg 	ds	temp,arg1,temp		/* 9th divide step */
    583  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    584  1.1  mrg 	ds	temp,arg1,temp		/* 10th divide step */
    585  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    586  1.1  mrg 	ds	temp,arg1,temp		/* 11th divide step */
    587  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    588  1.1  mrg 	ds	temp,arg1,temp		/* 12th divide step */
    589  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    590  1.1  mrg 	ds	temp,arg1,temp		/* 13th divide step */
    591  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    592  1.1  mrg 	ds	temp,arg1,temp		/* 14th divide step */
    593  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    594  1.1  mrg 	ds	temp,arg1,temp		/* 15th divide step */
    595  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    596  1.1  mrg 	ds	temp,arg1,temp		/* 16th divide step */
    597  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    598  1.1  mrg 	ds	temp,arg1,temp		/* 17th divide step */
    599  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    600  1.1  mrg 	ds	temp,arg1,temp		/* 18th divide step */
    601  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    602  1.1  mrg 	ds	temp,arg1,temp		/* 19th divide step */
    603  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    604  1.1  mrg 	ds	temp,arg1,temp		/* 20th divide step */
    605  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    606  1.1  mrg 	ds	temp,arg1,temp		/* 21st divide step */
    607  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    608  1.1  mrg 	ds	temp,arg1,temp		/* 22nd divide step */
    609  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    610  1.1  mrg 	ds	temp,arg1,temp		/* 23rd divide step */
    611  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    612  1.1  mrg 	ds	temp,arg1,temp		/* 24th divide step */
    613  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    614  1.1  mrg 	ds	temp,arg1,temp		/* 25th divide step */
    615  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    616  1.1  mrg 	ds	temp,arg1,temp		/* 26th divide step */
    617  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    618  1.1  mrg 	ds	temp,arg1,temp		/* 27th divide step */
    619  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    620  1.1  mrg 	ds	temp,arg1,temp		/* 28th divide step */
    621  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    622  1.1  mrg 	ds	temp,arg1,temp		/* 29th divide step */
    623  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    624  1.1  mrg 	ds	temp,arg1,temp		/* 30th divide step */
    625  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    626  1.1  mrg 	ds	temp,arg1,temp		/* 31st divide step */
    627  1.1  mrg 	addc	retreg,retreg,retreg	/* shift retreg with/into carry */
    628  1.1  mrg 	ds	temp,arg1,temp		/* 32nd divide step, */
    629  1.1  mrg 	MILLIRET
    630  1.1  mrg 	addc	retreg,retreg,retreg	/* shift last retreg bit into retreg */
    631  1.1  mrg 
    632  1.1  mrg /* Handle the cases where divisor is a small constant or has high bit on.  */
    633  1.1  mrg LSYM(special_divisor)
    634  1.1  mrg /*	blr	arg1,r0 */
    635  1.1  mrg /*	comib,>,n  0,arg1,LREF(big_divisor) ; nullify previous instruction */
    636  1.1  mrg 
    637  1.1  mrg /* Pratap 8/13/90. The 815 Stirling chip set has a bug that prevents us from
    638  1.1  mrg    generating such a blr, comib sequence. A problem in nullification. So I
    639  1.1  mrg    rewrote this code.  */
    640  1.1  mrg 
    641  1.1  mrg #if defined(pa64)
    642  1.1  mrg /* Clear the upper 32 bits of the arg1 register.  We are working with
    643  1.1  mrg    small divisors (and 32-bit unsigned integers)   We must not be mislead
    644  1.1  mrg    by "1" bits left in the upper 32 bits.  */
    645  1.1  mrg 	depd %r0,31,32,%r25
    646  1.1  mrg #endif
    647  1.1  mrg 	comib,>	0,arg1,LREF(big_divisor)
    648  1.1  mrg 	nop
    649  1.1  mrg 	blr	arg1,r0
    650  1.1  mrg 	nop
    651  1.1  mrg 
    652  1.1  mrg LSYM(zero_divisor)	/* this label is here to provide external visibility */
    653  1.1  mrg 	addit,=	0,arg1,0		/* trap for zero dvr */
    654  1.1  mrg 	nop
    655  1.1  mrg 	MILLIRET			/* divisor == 1 */
    656  1.1  mrg 	copy	arg0,retreg
    657  1.1  mrg 	MILLIRET			/* divisor == 2 */
    658  1.1  mrg 	extru	arg0,30,31,retreg
    659  1.1  mrg 	MILLI_BEN($$divU_3)		/* divisor == 3 */
    660  1.1  mrg 	nop
    661  1.1  mrg 	MILLIRET			/* divisor == 4 */
    662  1.1  mrg 	extru	arg0,29,30,retreg
    663  1.1  mrg 	MILLI_BEN($$divU_5)		/* divisor == 5 */
    664  1.1  mrg 	nop
    665  1.1  mrg 	MILLI_BEN($$divU_6)		/* divisor == 6 */
    666  1.1  mrg 	nop
    667  1.1  mrg 	MILLI_BEN($$divU_7)		/* divisor == 7 */
    668  1.1  mrg 	nop
    669  1.1  mrg 	MILLIRET			/* divisor == 8 */
    670  1.1  mrg 	extru	arg0,28,29,retreg
    671  1.1  mrg 	MILLI_BEN($$divU_9)		/* divisor == 9 */
    672  1.1  mrg 	nop
    673  1.1  mrg 	MILLI_BEN($$divU_10)		/* divisor == 10 */
    674  1.1  mrg 	nop
    675  1.1  mrg 	b	LREF(normal)		/* divisor == 11 */
    676  1.1  mrg 	ds	r0,temp,r0		/* set V-bit to 1 */
    677  1.1  mrg 	MILLI_BEN($$divU_12)		/* divisor == 12 */
    678  1.1  mrg 	nop
    679  1.1  mrg 	b	LREF(normal)		/* divisor == 13 */
    680  1.1  mrg 	ds	r0,temp,r0		/* set V-bit to 1 */
    681  1.1  mrg 	MILLI_BEN($$divU_14)		/* divisor == 14 */
    682  1.1  mrg 	nop
    683  1.1  mrg 	MILLI_BEN($$divU_15)		/* divisor == 15 */
    684  1.1  mrg 	nop
    685  1.1  mrg 
    686  1.1  mrg /* Handle the case where the high bit is on in the divisor.
    687  1.1  mrg    Compute:	if( dividend>=divisor) quotient=1; else quotient=0;
    688  1.1  mrg    Note:	dividend>==divisor iff dividend-divisor does not borrow
    689  1.1  mrg    and		not borrow iff carry.  */
    690  1.1  mrg LSYM(big_divisor)
    691  1.1  mrg 	sub	arg0,arg1,r0
    692  1.1  mrg 	MILLIRET
    693  1.1  mrg 	addc	r0,r0,retreg
    694  1.1  mrg 	.exit
    695  1.1  mrg 	.procend
    696  1.1  mrg 	.end
    697  1.1  mrg #endif
    698  1.1  mrg 
    699  1.1  mrg #ifdef L_remI
    700  1.1  mrg /* ROUTINE:	$$remI
    701  1.1  mrg 
    702  1.1  mrg    DESCRIPTION:
    703  1.1  mrg    .	$$remI returns the remainder of the division of two signed 32-bit
    704  1.1  mrg    .	integers.  The sign of the remainder is the same as the sign of
    705  1.1  mrg    .	the dividend.
    706  1.1  mrg 
    707  1.1  mrg 
    708  1.1  mrg    INPUT REGISTERS:
    709  1.1  mrg    .	arg0 == dividend
    710  1.1  mrg    .	arg1 == divisor
    711  1.1  mrg    .	mrp  == return pc
    712  1.1  mrg    .	sr0  == return space when called externally
    713  1.1  mrg 
    714  1.1  mrg    OUTPUT REGISTERS:
    715  1.1  mrg    .	arg0 = destroyed
    716  1.1  mrg    .	arg1 = destroyed
    717  1.1  mrg    .	ret1 = remainder
    718  1.1  mrg 
    719  1.1  mrg    OTHER REGISTERS AFFECTED:
    720  1.1  mrg    .	r1   = undefined
    721  1.1  mrg 
    722  1.1  mrg    SIDE EFFECTS:
    723  1.1  mrg    .	Causes a trap under the following conditions:  DIVIDE BY ZERO
    724  1.1  mrg    .	Changes memory at the following places:  NONE
    725  1.1  mrg 
    726  1.1  mrg    PERMISSIBLE CONTEXT:
    727  1.1  mrg    .	Unwindable
    728  1.1  mrg    .	Does not create a stack frame
    729  1.1  mrg    .	Is usable for internal or external microcode
    730  1.1  mrg 
    731  1.1  mrg    DISCUSSION:
    732  1.1  mrg    .	Calls other millicode routines via mrp:  NONE
    733  1.1  mrg    .	Calls other millicode routines:  NONE  */
    734  1.1  mrg 
    735  1.1  mrg RDEFINE(tmp,r1)
    736  1.1  mrg RDEFINE(retreg,ret1)
    737  1.1  mrg 
    738  1.1  mrg 	SUBSPA_MILLI
    739  1.1  mrg 	ATTR_MILLI
    740  1.1  mrg 	.proc
    741  1.1  mrg 	.callinfo millicode
    742  1.1  mrg 	.entry
    743  1.1  mrg GSYM($$remI)
    744  1.1  mrg GSYM($$remoI)
    745  1.1  mrg 	.export $$remI,MILLICODE
    746  1.1  mrg 	.export $$remoI,MILLICODE
    747  1.1  mrg 	ldo		-1(arg1),tmp		/*  is there at most one bit set ? */
    748  1.1  mrg 	and,<>		arg1,tmp,r0		/*  if not, don't use power of 2 */
    749  1.1  mrg 	addi,>		0,arg1,r0		/*  if denominator > 0, use power */
    750  1.1  mrg 						/*  of 2 */
    751  1.1  mrg 	b,n		LREF(neg_denom)
    752  1.1  mrg LSYM(pow2)
    753  1.1  mrg 	comb,>,n	0,arg0,LREF(neg_num)	/*  is numerator < 0 ? */
    754  1.1  mrg 	and		arg0,tmp,retreg		/*  get the result */
    755  1.1  mrg 	MILLIRETN
    756  1.1  mrg LSYM(neg_num)
    757  1.1  mrg 	subi		0,arg0,arg0		/*  negate numerator */
    758  1.1  mrg 	and		arg0,tmp,retreg		/*  get the result */
    759  1.1  mrg 	subi		0,retreg,retreg		/*  negate result */
    760  1.1  mrg 	MILLIRETN
    761  1.1  mrg LSYM(neg_denom)
    762  1.1  mrg 	addi,<		0,arg1,r0		/*  if arg1 >= 0, it's not power */
    763  1.1  mrg 						/*  of 2 */
    764  1.1  mrg 	b,n		LREF(regular_seq)
    765  1.1  mrg 	sub		r0,arg1,tmp		/*  make denominator positive */
    766  1.1  mrg 	comb,=,n	arg1,tmp,LREF(regular_seq) /*  test against 0x80000000 and 0 */
    767  1.1  mrg 	ldo		-1(tmp),retreg		/*  is there at most one bit set ? */
    768  1.1  mrg 	and,=		tmp,retreg,r0		/*  if not, go to regular_seq */
    769  1.1  mrg 	b,n		LREF(regular_seq)
    770  1.1  mrg 	comb,>,n	0,arg0,LREF(neg_num_2)	/*  if arg0 < 0, negate it  */
    771  1.1  mrg 	and		arg0,retreg,retreg
    772  1.1  mrg 	MILLIRETN
    773  1.1  mrg LSYM(neg_num_2)
    774  1.1  mrg 	subi		0,arg0,tmp		/*  test against 0x80000000 */
    775  1.1  mrg 	and		tmp,retreg,retreg
    776  1.1  mrg 	subi		0,retreg,retreg
    777  1.1  mrg 	MILLIRETN
    778  1.1  mrg LSYM(regular_seq)
    779  1.1  mrg 	addit,=		0,arg1,0		/*  trap if div by zero */
    780  1.1  mrg 	add,>=		0,arg0,retreg		/*  move dividend, if retreg < 0, */
    781  1.1  mrg 	sub		0,retreg,retreg		/*    make it positive */
    782  1.1  mrg 	sub		0,arg1, tmp		/*  clear carry,  */
    783  1.1  mrg 						/*    negate the divisor */
    784  1.1  mrg 	ds		0, tmp,0		/*  set V-bit to the comple- */
    785  1.1  mrg 						/*    ment of the divisor sign */
    786  1.1  mrg 	or		0,0, tmp		/*  clear  tmp */
    787  1.1  mrg 	add		retreg,retreg,retreg	/*  shift msb bit into carry */
    788  1.1  mrg 	ds		 tmp,arg1, tmp		/*  1st divide step, if no carry */
    789  1.1  mrg 						/*    out, msb of quotient = 0 */
    790  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    791  1.1  mrg LSYM(t1)
    792  1.1  mrg 	ds		 tmp,arg1, tmp		/*  2nd divide step */
    793  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    794  1.1  mrg 	ds		 tmp,arg1, tmp		/*  3rd divide step */
    795  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    796  1.1  mrg 	ds		 tmp,arg1, tmp		/*  4th divide step */
    797  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    798  1.1  mrg 	ds		 tmp,arg1, tmp		/*  5th divide step */
    799  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    800  1.1  mrg 	ds		 tmp,arg1, tmp		/*  6th divide step */
    801  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    802  1.1  mrg 	ds		 tmp,arg1, tmp		/*  7th divide step */
    803  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    804  1.1  mrg 	ds		 tmp,arg1, tmp		/*  8th divide step */
    805  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    806  1.1  mrg 	ds		 tmp,arg1, tmp		/*  9th divide step */
    807  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    808  1.1  mrg 	ds		 tmp,arg1, tmp		/*  10th divide step */
    809  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    810  1.1  mrg 	ds		 tmp,arg1, tmp		/*  11th divide step */
    811  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    812  1.1  mrg 	ds		 tmp,arg1, tmp		/*  12th divide step */
    813  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    814  1.1  mrg 	ds		 tmp,arg1, tmp		/*  13th divide step */
    815  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    816  1.1  mrg 	ds		 tmp,arg1, tmp		/*  14th divide step */
    817  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    818  1.1  mrg 	ds		 tmp,arg1, tmp		/*  15th divide step */
    819  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    820  1.1  mrg 	ds		 tmp,arg1, tmp		/*  16th divide step */
    821  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    822  1.1  mrg 	ds		 tmp,arg1, tmp		/*  17th divide step */
    823  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    824  1.1  mrg 	ds		 tmp,arg1, tmp		/*  18th divide step */
    825  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    826  1.1  mrg 	ds		 tmp,arg1, tmp		/*  19th divide step */
    827  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    828  1.1  mrg 	ds		 tmp,arg1, tmp		/*  20th divide step */
    829  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    830  1.1  mrg 	ds		 tmp,arg1, tmp		/*  21st divide step */
    831  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    832  1.1  mrg 	ds		 tmp,arg1, tmp		/*  22nd divide step */
    833  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    834  1.1  mrg 	ds		 tmp,arg1, tmp		/*  23rd divide step */
    835  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    836  1.1  mrg 	ds		 tmp,arg1, tmp		/*  24th divide step */
    837  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    838  1.1  mrg 	ds		 tmp,arg1, tmp		/*  25th divide step */
    839  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    840  1.1  mrg 	ds		 tmp,arg1, tmp		/*  26th divide step */
    841  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    842  1.1  mrg 	ds		 tmp,arg1, tmp		/*  27th divide step */
    843  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    844  1.1  mrg 	ds		 tmp,arg1, tmp		/*  28th divide step */
    845  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    846  1.1  mrg 	ds		 tmp,arg1, tmp		/*  29th divide step */
    847  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    848  1.1  mrg 	ds		 tmp,arg1, tmp		/*  30th divide step */
    849  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    850  1.1  mrg 	ds		 tmp,arg1, tmp		/*  31st divide step */
    851  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift retreg with/into carry */
    852  1.1  mrg 	ds		 tmp,arg1, tmp		/*  32nd divide step, */
    853  1.1  mrg 	addc		retreg,retreg,retreg	/*  shift last bit into retreg */
    854  1.1  mrg 	movb,>=,n	 tmp,retreg,LREF(finish) /*  branch if pos.  tmp */
    855  1.1  mrg 	add,<		arg1,0,0		/*  if arg1 > 0, add arg1 */
    856  1.1  mrg 	add,tr		 tmp,arg1,retreg	/*    for correcting remainder tmp */
    857  1.1  mrg 	sub		 tmp,arg1,retreg	/*  else add absolute value arg1 */
    858  1.1  mrg LSYM(finish)
    859  1.1  mrg 	add,>=		arg0,0,0		/*  set sign of remainder */
    860  1.1  mrg 	sub		0,retreg,retreg		/*    to sign of dividend */
    861  1.1  mrg 	MILLIRET
    862  1.1  mrg 	nop
    863  1.1  mrg 	.exit
    864  1.1  mrg 	.procend
    865  1.1  mrg #ifdef milliext
    866  1.1  mrg 	.origin 0x00000200
    867  1.1  mrg #endif
    868  1.1  mrg 	.end
    869  1.1  mrg #endif
    870  1.1  mrg 
    871  1.1  mrg #ifdef L_remU
    872  1.1  mrg /* ROUTINE:	$$remU
    873  1.1  mrg    .	Single precision divide for remainder with unsigned binary integers.
    874  1.1  mrg    .
    875  1.1  mrg    .	The remainder must be dividend-(dividend/divisor)*divisor.
    876  1.1  mrg    .	Divide by zero is trapped.
    877  1.1  mrg 
    878  1.1  mrg    INPUT REGISTERS:
    879  1.1  mrg    .	arg0 ==	dividend
    880  1.1  mrg    .	arg1 == divisor
    881  1.1  mrg    .	mrp  == return pc
    882  1.1  mrg    .	sr0  == return space when called externally
    883  1.1  mrg 
    884  1.1  mrg    OUTPUT REGISTERS:
    885  1.1  mrg    .	arg0 =	undefined
    886  1.1  mrg    .	arg1 =	undefined
    887  1.1  mrg    .	ret1 =	remainder
    888  1.1  mrg 
    889  1.1  mrg    OTHER REGISTERS AFFECTED:
    890  1.1  mrg    .	r1   =	undefined
    891  1.1  mrg 
    892  1.1  mrg    SIDE EFFECTS:
    893  1.1  mrg    .	Causes a trap under the following conditions:  DIVIDE BY ZERO
    894  1.1  mrg    .	Changes memory at the following places:  NONE
    895  1.1  mrg 
    896  1.1  mrg    PERMISSIBLE CONTEXT:
    897  1.1  mrg    .	Unwindable.
    898  1.1  mrg    .	Does not create a stack frame.
    899  1.1  mrg    .	Suitable for internal or external millicode.
    900  1.1  mrg    .	Assumes the special millicode register conventions.
    901  1.1  mrg 
    902  1.1  mrg    DISCUSSION:
    903  1.1  mrg    .	Calls other millicode routines using mrp: NONE
    904  1.1  mrg    .	Calls other millicode routines: NONE  */
    905  1.1  mrg 
    906  1.1  mrg 
    907  1.1  mrg RDEFINE(temp,r1)
    908  1.1  mrg RDEFINE(rmndr,ret1)	/*  r29 */
    909  1.1  mrg 	SUBSPA_MILLI
    910  1.1  mrg 	ATTR_MILLI
    911  1.1  mrg 	.export $$remU,millicode
    912  1.1  mrg 	.proc
    913  1.1  mrg 	.callinfo	millicode
    914  1.1  mrg 	.entry
    915  1.1  mrg GSYM($$remU)
    916  1.1  mrg 	ldo	-1(arg1),temp		/*  is there at most one bit set ? */
    917  1.1  mrg 	and,=	arg1,temp,r0		/*  if not, don't use power of 2 */
    918  1.1  mrg 	b	LREF(regular_seq)
    919  1.1  mrg 	addit,=	0,arg1,r0		/*  trap on div by zero */
    920  1.1  mrg 	and	arg0,temp,rmndr		/*  get the result for power of 2 */
    921  1.1  mrg 	MILLIRETN
    922  1.1  mrg LSYM(regular_seq)
    923  1.1  mrg 	comib,>=,n  0,arg1,LREF(special_case)
    924  1.1  mrg 	subi	0,arg1,rmndr		/*  clear carry, negate the divisor */
    925  1.1  mrg 	ds	r0,rmndr,r0		/*  set V-bit to 1 */
    926  1.1  mrg 	add	arg0,arg0,temp		/*  shift msb bit into carry */
    927  1.1  mrg 	ds	r0,arg1,rmndr		/*  1st divide step, if no carry */
    928  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    929  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  2nd divide step */
    930  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    931  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  3rd divide step */
    932  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    933  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  4th divide step */
    934  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    935  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  5th divide step */
    936  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    937  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  6th divide step */
    938  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    939  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  7th divide step */
    940  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    941  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  8th divide step */
    942  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    943  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  9th divide step */
    944  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    945  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  10th divide step */
    946  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    947  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  11th divide step */
    948  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    949  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  12th divide step */
    950  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    951  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  13th divide step */
    952  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    953  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  14th divide step */
    954  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    955  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  15th divide step */
    956  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    957  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  16th divide step */
    958  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    959  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  17th divide step */
    960  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    961  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  18th divide step */
    962  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    963  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  19th divide step */
    964  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    965  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  20th divide step */
    966  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    967  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  21st divide step */
    968  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    969  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  22nd divide step */
    970  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    971  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  23rd divide step */
    972  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    973  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  24th divide step */
    974  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    975  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  25th divide step */
    976  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    977  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  26th divide step */
    978  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    979  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  27th divide step */
    980  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    981  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  28th divide step */
    982  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    983  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  29th divide step */
    984  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    985  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  30th divide step */
    986  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    987  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  31st divide step */
    988  1.1  mrg 	addc	temp,temp,temp		/*  shift temp with/into carry */
    989  1.1  mrg 	ds	rmndr,arg1,rmndr		/*  32nd divide step, */
    990  1.1  mrg 	comiclr,<= 0,rmndr,r0
    991  1.1  mrg 	  add	rmndr,arg1,rmndr	/*  correction */
    992  1.1  mrg 	MILLIRETN
    993  1.1  mrg 	nop
    994  1.1  mrg 
    995  1.1  mrg /* Putting >= on the last DS and deleting COMICLR does not work!  */
    996  1.1  mrg LSYM(special_case)
    997  1.1  mrg 	sub,>>=	arg0,arg1,rmndr
    998  1.1  mrg 	  copy	arg0,rmndr
    999  1.1  mrg 	MILLIRETN
   1000  1.1  mrg 	nop
   1001  1.1  mrg 	.exit
   1002  1.1  mrg 	.procend
   1003  1.1  mrg 	.end
   1004  1.1  mrg #endif
   1005  1.1  mrg 
   1006  1.1  mrg #ifdef L_div_const
   1007  1.1  mrg /* ROUTINE:	$$divI_2
   1008  1.1  mrg    .		$$divI_3	$$divU_3
   1009  1.1  mrg    .		$$divI_4
   1010  1.1  mrg    .		$$divI_5	$$divU_5
   1011  1.1  mrg    .		$$divI_6	$$divU_6
   1012  1.1  mrg    .		$$divI_7	$$divU_7
   1013  1.1  mrg    .		$$divI_8
   1014  1.1  mrg    .		$$divI_9	$$divU_9
   1015  1.1  mrg    .		$$divI_10	$$divU_10
   1016  1.1  mrg    .
   1017  1.1  mrg    .		$$divI_12	$$divU_12
   1018  1.1  mrg    .
   1019  1.1  mrg    .		$$divI_14	$$divU_14
   1020  1.1  mrg    .		$$divI_15	$$divU_15
   1021  1.1  mrg    .		$$divI_16
   1022  1.1  mrg    .		$$divI_17	$$divU_17
   1023  1.1  mrg    .
   1024  1.1  mrg    .	Divide by selected constants for single precision binary integers.
   1025  1.1  mrg 
   1026  1.1  mrg    INPUT REGISTERS:
   1027  1.1  mrg    .	arg0 ==	dividend
   1028  1.1  mrg    .	mrp  == return pc
   1029  1.1  mrg    .	sr0  == return space when called externally
   1030  1.1  mrg 
   1031  1.1  mrg    OUTPUT REGISTERS:
   1032  1.1  mrg    .	arg0 =	undefined
   1033  1.1  mrg    .	arg1 =	undefined
   1034  1.1  mrg    .	ret1 =	quotient
   1035  1.1  mrg 
   1036  1.1  mrg    OTHER REGISTERS AFFECTED:
   1037  1.1  mrg    .	r1   =	undefined
   1038  1.1  mrg 
   1039  1.1  mrg    SIDE EFFECTS:
   1040  1.1  mrg    .	Causes a trap under the following conditions: NONE
   1041  1.1  mrg    .	Changes memory at the following places:  NONE
   1042  1.1  mrg 
   1043  1.1  mrg    PERMISSIBLE CONTEXT:
   1044  1.1  mrg    .	Unwindable.
   1045  1.1  mrg    .	Does not create a stack frame.
   1046  1.1  mrg    .	Suitable for internal or external millicode.
   1047  1.1  mrg    .	Assumes the special millicode register conventions.
   1048  1.1  mrg 
   1049  1.1  mrg    DISCUSSION:
   1050  1.1  mrg    .	Calls other millicode routines using mrp:  NONE
   1051  1.1  mrg    .	Calls other millicode routines:  NONE  */
   1052  1.1  mrg 
   1053  1.1  mrg 
   1054  1.1  mrg /* TRUNCATED DIVISION BY SMALL INTEGERS
   1055  1.1  mrg 
   1056  1.1  mrg    We are interested in q(x) = floor(x/y), where x >= 0 and y > 0
   1057  1.1  mrg    (with y fixed).
   1058  1.1  mrg 
   1059  1.1  mrg    Let a = floor(z/y), for some choice of z.  Note that z will be
   1060  1.1  mrg    chosen so that division by z is cheap.
   1061  1.1  mrg 
   1062  1.1  mrg    Let r be the remainder(z/y).  In other words, r = z - ay.
   1063  1.1  mrg 
   1064  1.1  mrg    Now, our method is to choose a value for b such that
   1065  1.1  mrg 
   1066  1.1  mrg    q'(x) = floor((ax+b)/z)
   1067  1.1  mrg 
   1068  1.1  mrg    is equal to q(x) over as large a range of x as possible.  If the
   1069  1.1  mrg    two are equal over a sufficiently large range, and if it is easy to
   1070  1.1  mrg    form the product (ax), and it is easy to divide by z, then we can
   1071  1.1  mrg    perform the division much faster than the general division algorithm.
   1072  1.1  mrg 
   1073  1.1  mrg    So, we want the following to be true:
   1074  1.1  mrg 
   1075  1.1  mrg    .	For x in the following range:
   1076  1.1  mrg    .
   1077  1.1  mrg    .	    ky <= x < (k+1)y
   1078  1.1  mrg    .
   1079  1.1  mrg    .	implies that
   1080  1.1  mrg    .
   1081  1.1  mrg    .	    k <= (ax+b)/z < (k+1)
   1082  1.1  mrg 
   1083  1.1  mrg    We want to determine b such that this is true for all k in the
   1084  1.1  mrg    range {0..K} for some maximum K.
   1085  1.1  mrg 
   1086  1.1  mrg    Since (ax+b) is an increasing function of x, we can take each
   1087  1.1  mrg    bound separately to determine the "best" value for b.
   1088  1.1  mrg 
   1089  1.1  mrg    (ax+b)/z < (k+1)	       implies
   1090  1.1  mrg 
   1091  1.1  mrg    (a((k+1)y-1)+b < (k+1)z     implies
   1092  1.1  mrg 
   1093  1.1  mrg    b < a + (k+1)(z-ay)	       implies
   1094  1.1  mrg 
   1095  1.1  mrg    b < a + (k+1)r
   1096  1.1  mrg 
   1097  1.1  mrg    This needs to be true for all k in the range {0..K}.  In
   1098  1.1  mrg    particular, it is true for k = 0 and this leads to a maximum
   1099  1.1  mrg    acceptable value for b.
   1100  1.1  mrg 
   1101  1.1  mrg    b < a+r   or   b <= a+r-1
   1102  1.1  mrg 
   1103  1.1  mrg    Taking the other bound, we have
   1104  1.1  mrg 
   1105  1.1  mrg    k <= (ax+b)/z	       implies
   1106  1.1  mrg 
   1107  1.1  mrg    k <= (aky+b)/z	       implies
   1108  1.1  mrg 
   1109  1.1  mrg    k(z-ay) <= b		       implies
   1110  1.1  mrg 
   1111  1.1  mrg    kr <= b
   1112  1.1  mrg 
   1113  1.1  mrg    Clearly, the largest range for k will be achieved by maximizing b,
   1114  1.1  mrg    when r is not zero.	When r is zero, then the simplest choice for b
   1115  1.1  mrg    is 0.  When r is not 0, set
   1116  1.1  mrg 
   1117  1.1  mrg    .	b = a+r-1
   1118  1.1  mrg 
   1119  1.1  mrg    Now, by construction, q'(x) = floor((ax+b)/z) = q(x) = floor(x/y)
   1120  1.1  mrg    for all x in the range:
   1121  1.1  mrg 
   1122  1.1  mrg    .	0 <= x < (K+1)y
   1123  1.1  mrg 
   1124  1.1  mrg    We need to determine what K is.  Of our two bounds,
   1125  1.1  mrg 
   1126  1.1  mrg    .	b < a+(k+1)r	is satisfied for all k >= 0, by construction.
   1127  1.1  mrg 
   1128  1.1  mrg    The other bound is
   1129  1.1  mrg 
   1130  1.1  mrg    .	kr <= b
   1131  1.1  mrg 
   1132  1.1  mrg    This is always true if r = 0.  If r is not 0 (the usual case), then
   1133  1.1  mrg    K = floor((a+r-1)/r), is the maximum value for k.
   1134  1.1  mrg 
   1135  1.1  mrg    Therefore, the formula q'(x) = floor((ax+b)/z) yields the correct
   1136  1.1  mrg    answer for q(x) = floor(x/y) when x is in the range
   1137  1.1  mrg 
   1138  1.1  mrg    (0,(K+1)y-1)	       K = floor((a+r-1)/r)
   1139  1.1  mrg 
   1140  1.1  mrg    To be most useful, we want (K+1)y-1 = (max x) >= 2**32-1 so that
   1141  1.1  mrg    the formula for q'(x) yields the correct value of q(x) for all x
   1142  1.1  mrg    representable by a single word in HPPA.
   1143  1.1  mrg 
   1144  1.1  mrg    We are also constrained in that computing the product (ax), adding
   1145  1.1  mrg    b, and dividing by z must all be done quickly, otherwise we will be
   1146  1.1  mrg    better off going through the general algorithm using the DS
   1147  1.1  mrg    instruction, which uses approximately 70 cycles.
   1148  1.1  mrg 
   1149  1.1  mrg    For each y, there is a choice of z which satisfies the constraints
   1150  1.1  mrg    for (K+1)y >= 2**32.  We may not, however, be able to satisfy the
   1151  1.1  mrg    timing constraints for arbitrary y.	It seems that z being equal to
   1152  1.1  mrg    a power of 2 or a power of 2 minus 1 is as good as we can do, since
   1153  1.1  mrg    it minimizes the time to do division by z.  We want the choice of z
   1154  1.1  mrg    to also result in a value for (a) that minimizes the computation of
   1155  1.1  mrg    the product (ax).  This is best achieved if (a) has a regular bit
   1156  1.1  mrg    pattern (so the multiplication can be done with shifts and adds).
   1157  1.1  mrg    The value of (a) also needs to be less than 2**32 so the product is
   1158  1.1  mrg    always guaranteed to fit in 2 words.
   1159  1.1  mrg 
   1160  1.1  mrg    In actual practice, the following should be done:
   1161  1.1  mrg 
   1162  1.1  mrg    1) For negative x, you should take the absolute value and remember
   1163  1.1  mrg    .  the fact so that the result can be negated.  This obviously does
   1164  1.1  mrg    .  not apply in the unsigned case.
   1165  1.1  mrg    2) For even y, you should factor out the power of 2 that divides y
   1166  1.1  mrg    .  and divide x by it.  You can then proceed by dividing by the
   1167  1.1  mrg    .  odd factor of y.
   1168  1.1  mrg 
   1169  1.1  mrg    Here is a table of some odd values of y, and corresponding choices
   1170  1.1  mrg    for z which are "good".
   1171  1.1  mrg 
   1172  1.1  mrg     y	  z	  r	 a (hex)     max x (hex)
   1173  1.1  mrg 
   1174  1.1  mrg     3	2**32	  1	55555555      100000001
   1175  1.1  mrg     5	2**32	  1	33333333      100000003
   1176  1.1  mrg     7  2**24-1	  0	  249249     (infinite)
   1177  1.1  mrg     9  2**24-1	  0	  1c71c7     (infinite)
   1178  1.1  mrg    11  2**20-1	  0	   1745d     (infinite)
   1179  1.1  mrg    13  2**24-1	  0	  13b13b     (infinite)
   1180  1.1  mrg    15	2**32	  1	11111111      10000000d
   1181  1.1  mrg    17	2**32	  1	 f0f0f0f      10000000f
   1182  1.1  mrg 
   1183  1.1  mrg    If r is 1, then b = a+r-1 = a.  This simplifies the computation
   1184  1.1  mrg    of (ax+b), since you can compute (x+1)(a) instead.  If r is 0,
   1185  1.1  mrg    then b = 0 is ok to use which simplifies (ax+b).
   1186  1.1  mrg 
   1187  1.1  mrg    The bit patterns for 55555555, 33333333, and 11111111 are obviously
   1188  1.1  mrg    very regular.  The bit patterns for the other values of a above are:
   1189  1.1  mrg 
   1190  1.1  mrg     y	   (hex)	  (binary)
   1191  1.1  mrg 
   1192  1.1  mrg     7	  249249  001001001001001001001001  << regular >>
   1193  1.1  mrg     9	  1c71c7  000111000111000111000111  << regular >>
   1194  1.1  mrg    11	   1745d  000000010111010001011101  << irregular >>
   1195  1.1  mrg    13	  13b13b  000100111011000100111011  << irregular >>
   1196  1.1  mrg 
   1197  1.1  mrg    The bit patterns for (a) corresponding to (y) of 11 and 13 may be
   1198  1.1  mrg    too irregular to warrant using this method.
   1199  1.1  mrg 
   1200  1.1  mrg    When z is a power of 2 minus 1, then the division by z is slightly
   1201  1.1  mrg    more complicated, involving an iterative solution.
   1202  1.1  mrg 
   1203  1.1  mrg    The code presented here solves division by 1 through 17, except for
   1204  1.1  mrg    11 and 13. There are algorithms for both signed and unsigned
   1205  1.1  mrg    quantities given.
   1206  1.1  mrg 
   1207  1.1  mrg    TIMINGS (cycles)
   1208  1.1  mrg 
   1209  1.1  mrg    divisor  positive  negative	unsigned
   1210  1.1  mrg 
   1211  1.1  mrg    .   1	2	   2	     2
   1212  1.1  mrg    .   2	4	   4	     2
   1213  1.1  mrg    .   3       19	  21	    19
   1214  1.1  mrg    .   4	4	   4	     2
   1215  1.1  mrg    .   5       18	  22	    19
   1216  1.1  mrg    .   6       19	  22	    19
   1217  1.1  mrg    .   8	4	   4	     2
   1218  1.1  mrg    .  10       18	  19	    17
   1219  1.1  mrg    .  12       18	  20	    18
   1220  1.1  mrg    .  15       16	  18	    16
   1221  1.1  mrg    .  16	4	   4	     2
   1222  1.1  mrg    .  17       16	  18	    16
   1223  1.1  mrg 
   1224  1.1  mrg    Now, the algorithm for 7, 9, and 14 is an iterative one.  That is,
   1225  1.1  mrg    a loop body is executed until the tentative quotient is 0.  The
   1226  1.1  mrg    number of times the loop body is executed varies depending on the
   1227  1.1  mrg    dividend, but is never more than two times.	If the dividend is
   1228  1.1  mrg    less than the divisor, then the loop body is not executed at all.
   1229  1.1  mrg    Each iteration adds 4 cycles to the timings.
   1230  1.1  mrg 
   1231  1.1  mrg    divisor  positive  negative	unsigned
   1232  1.1  mrg 
   1233  1.1  mrg    .   7       19+4n	 20+4n	   20+4n    n = number of iterations
   1234  1.1  mrg    .   9       21+4n	 22+4n	   21+4n
   1235  1.1  mrg    .  14       21+4n	 22+4n	   20+4n
   1236  1.1  mrg 
   1237  1.1  mrg    To give an idea of how the number of iterations varies, here is a
   1238  1.1  mrg    table of dividend versus number of iterations when dividing by 7.
   1239  1.1  mrg 
   1240  1.1  mrg    smallest	 largest       required
   1241  1.1  mrg    dividend	dividend      iterations
   1242  1.1  mrg 
   1243  1.1  mrg    .	0	     6		    0
   1244  1.1  mrg    .	7	 0x6ffffff	    1
   1245  1.1  mrg    0x1000006	0xffffffff	    2
   1246  1.1  mrg 
   1247  1.1  mrg    There is some overlap in the range of numbers requiring 1 and 2
   1248  1.1  mrg    iterations.	*/
   1249  1.1  mrg 
   1250  1.1  mrg RDEFINE(t2,r1)
   1251  1.1  mrg RDEFINE(x2,arg0)	/*  r26 */
   1252  1.1  mrg RDEFINE(t1,arg1)	/*  r25 */
   1253  1.1  mrg RDEFINE(x1,ret1)	/*  r29 */
   1254  1.1  mrg 
   1255  1.1  mrg 	SUBSPA_MILLI_DIV
   1256  1.1  mrg 	ATTR_MILLI
   1257  1.1  mrg 
   1258  1.1  mrg 	.proc
   1259  1.1  mrg 	.callinfo	millicode
   1260  1.1  mrg 	.entry
   1261  1.1  mrg /* NONE of these routines require a stack frame
   1262  1.1  mrg    ALL of these routines are unwindable from millicode	*/
   1263  1.1  mrg 
   1264  1.1  mrg GSYM($$divide_by_constant)
   1265  1.1  mrg 	.export $$divide_by_constant,millicode
   1266  1.1  mrg /*  Provides a "nice" label for the code covered by the unwind descriptor
   1267  1.1  mrg     for things like gprof.  */
   1268  1.1  mrg 
   1269  1.1  mrg /* DIVISION BY 2 (shift by 1) */
   1270  1.1  mrg GSYM($$divI_2)
   1271  1.1  mrg 	.export		$$divI_2,millicode
   1272  1.1  mrg 	comclr,>=	arg0,0,0
   1273  1.1  mrg 	addi		1,arg0,arg0
   1274  1.1  mrg 	MILLIRET
   1275  1.1  mrg 	extrs		arg0,30,31,ret1
   1276  1.1  mrg 
   1277  1.1  mrg 
   1278  1.1  mrg /* DIVISION BY 4 (shift by 2) */
   1279  1.1  mrg GSYM($$divI_4)
   1280  1.1  mrg 	.export		$$divI_4,millicode
   1281  1.1  mrg 	comclr,>=	arg0,0,0
   1282  1.1  mrg 	addi		3,arg0,arg0
   1283  1.1  mrg 	MILLIRET
   1284  1.1  mrg 	extrs		arg0,29,30,ret1
   1285  1.1  mrg 
   1286  1.1  mrg 
   1287  1.1  mrg /* DIVISION BY 8 (shift by 3) */
   1288  1.1  mrg GSYM($$divI_8)
   1289  1.1  mrg 	.export		$$divI_8,millicode
   1290  1.1  mrg 	comclr,>=	arg0,0,0
   1291  1.1  mrg 	addi		7,arg0,arg0
   1292  1.1  mrg 	MILLIRET
   1293  1.1  mrg 	extrs		arg0,28,29,ret1
   1294  1.1  mrg 
   1295  1.1  mrg /* DIVISION BY 16 (shift by 4) */
   1296  1.1  mrg GSYM($$divI_16)
   1297  1.1  mrg 	.export		$$divI_16,millicode
   1298  1.1  mrg 	comclr,>=	arg0,0,0
   1299  1.1  mrg 	addi		15,arg0,arg0
   1300  1.1  mrg 	MILLIRET
   1301  1.1  mrg 	extrs		arg0,27,28,ret1
   1302  1.1  mrg 
   1303  1.1  mrg /****************************************************************************
   1304  1.1  mrg *
   1305  1.1  mrg *	DIVISION BY DIVISORS OF FFFFFFFF, and powers of 2 times these
   1306  1.1  mrg *
   1307  1.1  mrg *	includes 3,5,15,17 and also 6,10,12
   1308  1.1  mrg *
   1309  1.1  mrg ****************************************************************************/
   1310  1.1  mrg 
   1311  1.1  mrg /* DIVISION BY 3 (use z = 2**32; a = 55555555) */
   1312  1.1  mrg 
   1313  1.1  mrg GSYM($$divI_3)
   1314  1.1  mrg 	.export		$$divI_3,millicode
   1315  1.1  mrg 	comb,<,N	x2,0,LREF(neg3)
   1316  1.1  mrg 
   1317  1.1  mrg 	addi		1,x2,x2		/* this cannot overflow	*/
   1318  1.1  mrg 	extru		x2,1,2,x1	/* multiply by 5 to get started */
   1319  1.1  mrg 	sh2add		x2,x2,x2
   1320  1.1  mrg 	b		LREF(pos)
   1321  1.1  mrg 	addc		x1,0,x1
   1322  1.1  mrg 
   1323  1.1  mrg LSYM(neg3)
   1324  1.1  mrg 	subi		1,x2,x2		/* this cannot overflow	*/
   1325  1.1  mrg 	extru		x2,1,2,x1	/* multiply by 5 to get started */
   1326  1.1  mrg 	sh2add		x2,x2,x2
   1327  1.1  mrg 	b		LREF(neg)
   1328  1.1  mrg 	addc		x1,0,x1
   1329  1.1  mrg 
   1330  1.1  mrg GSYM($$divU_3)
   1331  1.1  mrg 	.export		$$divU_3,millicode
   1332  1.1  mrg 	addi		1,x2,x2		/* this CAN overflow */
   1333  1.1  mrg 	addc		0,0,x1
   1334  1.1  mrg 	shd		x1,x2,30,t1	/* multiply by 5 to get started */
   1335  1.1  mrg 	sh2add		x2,x2,x2
   1336  1.1  mrg 	b		LREF(pos)
   1337  1.1  mrg 	addc		x1,t1,x1
   1338  1.1  mrg 
   1339  1.1  mrg /* DIVISION BY 5 (use z = 2**32; a = 33333333) */
   1340  1.1  mrg 
   1341  1.1  mrg GSYM($$divI_5)
   1342  1.1  mrg 	.export		$$divI_5,millicode
   1343  1.1  mrg 	comb,<,N	x2,0,LREF(neg5)
   1344  1.1  mrg 
   1345  1.1  mrg 	addi		3,x2,t1		/* this cannot overflow	*/
   1346  1.1  mrg 	sh1add		x2,t1,x2	/* multiply by 3 to get started */
   1347  1.1  mrg 	b		LREF(pos)
   1348  1.1  mrg 	addc		0,0,x1
   1349  1.1  mrg 
   1350  1.1  mrg LSYM(neg5)
   1351  1.1  mrg 	sub		0,x2,x2		/* negate x2			*/
   1352  1.1  mrg 	addi		1,x2,x2		/* this cannot overflow	*/
   1353  1.1  mrg 	shd		0,x2,31,x1	/* get top bit (can be 1)	*/
   1354  1.1  mrg 	sh1add		x2,x2,x2	/* multiply by 3 to get started */
   1355  1.1  mrg 	b		LREF(neg)
   1356  1.1  mrg 	addc		x1,0,x1
   1357  1.1  mrg 
   1358  1.1  mrg GSYM($$divU_5)
   1359  1.1  mrg 	.export		$$divU_5,millicode
   1360  1.1  mrg 	addi		1,x2,x2		/* this CAN overflow */
   1361  1.1  mrg 	addc		0,0,x1
   1362  1.1  mrg 	shd		x1,x2,31,t1	/* multiply by 3 to get started */
   1363  1.1  mrg 	sh1add		x2,x2,x2
   1364  1.1  mrg 	b		LREF(pos)
   1365  1.1  mrg 	addc		t1,x1,x1
   1366  1.1  mrg 
   1367  1.1  mrg /* DIVISION BY	6 (shift to divide by 2 then divide by 3) */
   1368  1.1  mrg GSYM($$divI_6)
   1369  1.1  mrg 	.export		$$divI_6,millicode
   1370  1.1  mrg 	comb,<,N	x2,0,LREF(neg6)
   1371  1.1  mrg 	extru		x2,30,31,x2	/* divide by 2			*/
   1372  1.1  mrg 	addi		5,x2,t1		/* compute 5*(x2+1) = 5*x2+5	*/
   1373  1.1  mrg 	sh2add		x2,t1,x2	/* multiply by 5 to get started */
   1374  1.1  mrg 	b		LREF(pos)
   1375  1.1  mrg 	addc		0,0,x1
   1376  1.1  mrg 
   1377  1.1  mrg LSYM(neg6)
   1378  1.1  mrg 	subi		2,x2,x2		/* negate, divide by 2, and add 1 */
   1379  1.1  mrg 					/* negation and adding 1 are done */
   1380  1.1  mrg 					/* at the same time by the SUBI   */
   1381  1.1  mrg 	extru		x2,30,31,x2
   1382  1.1  mrg 	shd		0,x2,30,x1
   1383  1.1  mrg 	sh2add		x2,x2,x2	/* multiply by 5 to get started */
   1384  1.1  mrg 	b		LREF(neg)
   1385  1.1  mrg 	addc		x1,0,x1
   1386  1.1  mrg 
   1387  1.1  mrg GSYM($$divU_6)
   1388  1.1  mrg 	.export		$$divU_6,millicode
   1389  1.1  mrg 	extru		x2,30,31,x2	/* divide by 2 */
   1390  1.1  mrg 	addi		1,x2,x2		/* cannot carry */
   1391  1.1  mrg 	shd		0,x2,30,x1	/* multiply by 5 to get started */
   1392  1.1  mrg 	sh2add		x2,x2,x2
   1393  1.1  mrg 	b		LREF(pos)
   1394  1.1  mrg 	addc		x1,0,x1
   1395  1.1  mrg 
   1396  1.1  mrg /* DIVISION BY 10 (shift to divide by 2 then divide by 5) */
   1397  1.1  mrg GSYM($$divU_10)
   1398  1.1  mrg 	.export		$$divU_10,millicode
   1399  1.1  mrg 	extru		x2,30,31,x2	/* divide by 2 */
   1400  1.1  mrg 	addi		3,x2,t1		/* compute 3*(x2+1) = (3*x2)+3	*/
   1401  1.1  mrg 	sh1add		x2,t1,x2	/* multiply by 3 to get started */
   1402  1.1  mrg 	addc		0,0,x1
   1403  1.1  mrg LSYM(pos)
   1404  1.1  mrg 	shd		x1,x2,28,t1	/* multiply by 0x11 */
   1405  1.1  mrg 	shd		x2,0,28,t2
   1406  1.1  mrg 	add		x2,t2,x2
   1407  1.1  mrg 	addc		x1,t1,x1
   1408  1.1  mrg LSYM(pos_for_17)
   1409  1.1  mrg 	shd		x1,x2,24,t1	/* multiply by 0x101 */
   1410  1.1  mrg 	shd		x2,0,24,t2
   1411  1.1  mrg 	add		x2,t2,x2
   1412  1.1  mrg 	addc		x1,t1,x1
   1413  1.1  mrg 
   1414  1.1  mrg 	shd		x1,x2,16,t1	/* multiply by 0x10001 */
   1415  1.1  mrg 	shd		x2,0,16,t2
   1416  1.1  mrg 	add		x2,t2,x2
   1417  1.1  mrg 	MILLIRET
   1418  1.1  mrg 	addc		x1,t1,x1
   1419  1.1  mrg 
   1420  1.1  mrg GSYM($$divI_10)
   1421  1.1  mrg 	.export		$$divI_10,millicode
   1422  1.1  mrg 	comb,<		x2,0,LREF(neg10)
   1423  1.1  mrg 	copy		0,x1
   1424  1.1  mrg 	extru		x2,30,31,x2	/* divide by 2 */
   1425  1.1  mrg 	addib,TR	1,x2,LREF(pos)	/* add 1 (cannot overflow)     */
   1426  1.1  mrg 	sh1add		x2,x2,x2	/* multiply by 3 to get started */
   1427  1.1  mrg 
   1428  1.1  mrg LSYM(neg10)
   1429  1.1  mrg 	subi		2,x2,x2		/* negate, divide by 2, and add 1 */
   1430  1.1  mrg 					/* negation and adding 1 are done */
   1431  1.1  mrg 					/* at the same time by the SUBI   */
   1432  1.1  mrg 	extru		x2,30,31,x2
   1433  1.1  mrg 	sh1add		x2,x2,x2	/* multiply by 3 to get started */
   1434  1.1  mrg LSYM(neg)
   1435  1.1  mrg 	shd		x1,x2,28,t1	/* multiply by 0x11 */
   1436  1.1  mrg 	shd		x2,0,28,t2
   1437  1.1  mrg 	add		x2,t2,x2
   1438  1.1  mrg 	addc		x1,t1,x1
   1439  1.1  mrg LSYM(neg_for_17)
   1440  1.1  mrg 	shd		x1,x2,24,t1	/* multiply by 0x101 */
   1441  1.1  mrg 	shd		x2,0,24,t2
   1442  1.1  mrg 	add		x2,t2,x2
   1443  1.1  mrg 	addc		x1,t1,x1
   1444  1.1  mrg 
   1445  1.1  mrg 	shd		x1,x2,16,t1	/* multiply by 0x10001 */
   1446  1.1  mrg 	shd		x2,0,16,t2
   1447  1.1  mrg 	add		x2,t2,x2
   1448  1.1  mrg 	addc		x1,t1,x1
   1449  1.1  mrg 	MILLIRET
   1450  1.1  mrg 	sub		0,x1,x1
   1451  1.1  mrg 
   1452  1.1  mrg /* DIVISION BY 12 (shift to divide by 4 then divide by 3) */
   1453  1.1  mrg GSYM($$divI_12)
   1454  1.1  mrg 	.export		$$divI_12,millicode
   1455  1.1  mrg 	comb,<		x2,0,LREF(neg12)
   1456  1.1  mrg 	copy		0,x1
   1457  1.1  mrg 	extru		x2,29,30,x2	/* divide by 4			*/
   1458  1.1  mrg 	addib,tr	1,x2,LREF(pos)	/* compute 5*(x2+1) = 5*x2+5    */
   1459  1.1  mrg 	sh2add		x2,x2,x2	/* multiply by 5 to get started */
   1460  1.1  mrg 
   1461  1.1  mrg LSYM(neg12)
   1462  1.1  mrg 	subi		4,x2,x2		/* negate, divide by 4, and add 1 */
   1463  1.1  mrg 					/* negation and adding 1 are done */
   1464  1.1  mrg 					/* at the same time by the SUBI   */
   1465  1.1  mrg 	extru		x2,29,30,x2
   1466  1.1  mrg 	b		LREF(neg)
   1467  1.1  mrg 	sh2add		x2,x2,x2	/* multiply by 5 to get started */
   1468  1.1  mrg 
   1469  1.1  mrg GSYM($$divU_12)
   1470  1.1  mrg 	.export		$$divU_12,millicode
   1471  1.1  mrg 	extru		x2,29,30,x2	/* divide by 4   */
   1472  1.1  mrg 	addi		5,x2,t1		/* cannot carry */
   1473  1.1  mrg 	sh2add		x2,t1,x2	/* multiply by 5 to get started */
   1474  1.1  mrg 	b		LREF(pos)
   1475  1.1  mrg 	addc		0,0,x1
   1476  1.1  mrg 
   1477  1.1  mrg /* DIVISION BY 15 (use z = 2**32; a = 11111111) */
   1478  1.1  mrg GSYM($$divI_15)
   1479  1.1  mrg 	.export		$$divI_15,millicode
   1480  1.1  mrg 	comb,<		x2,0,LREF(neg15)
   1481  1.1  mrg 	copy		0,x1
   1482  1.1  mrg 	addib,tr	1,x2,LREF(pos)+4
   1483  1.1  mrg 	shd		x1,x2,28,t1
   1484  1.1  mrg 
   1485  1.1  mrg LSYM(neg15)
   1486  1.1  mrg 	b		LREF(neg)
   1487  1.1  mrg 	subi		1,x2,x2
   1488  1.1  mrg 
   1489  1.1  mrg GSYM($$divU_15)
   1490  1.1  mrg 	.export		$$divU_15,millicode
   1491  1.1  mrg 	addi		1,x2,x2		/* this CAN overflow */
   1492  1.1  mrg 	b		LREF(pos)
   1493  1.1  mrg 	addc		0,0,x1
   1494  1.1  mrg 
   1495  1.1  mrg /* DIVISION BY 17 (use z = 2**32; a =  f0f0f0f) */
   1496  1.1  mrg GSYM($$divI_17)
   1497  1.1  mrg 	.export		$$divI_17,millicode
   1498  1.1  mrg 	comb,<,n	x2,0,LREF(neg17)
   1499  1.1  mrg 	addi		1,x2,x2		/* this cannot overflow */
   1500  1.1  mrg 	shd		0,x2,28,t1	/* multiply by 0xf to get started */
   1501  1.1  mrg 	shd		x2,0,28,t2
   1502  1.1  mrg 	sub		t2,x2,x2
   1503  1.1  mrg 	b		LREF(pos_for_17)
   1504  1.1  mrg 	subb		t1,0,x1
   1505  1.1  mrg 
   1506  1.1  mrg LSYM(neg17)
   1507  1.1  mrg 	subi		1,x2,x2		/* this cannot overflow */
   1508  1.1  mrg 	shd		0,x2,28,t1	/* multiply by 0xf to get started */
   1509  1.1  mrg 	shd		x2,0,28,t2
   1510  1.1  mrg 	sub		t2,x2,x2
   1511  1.1  mrg 	b		LREF(neg_for_17)
   1512  1.1  mrg 	subb		t1,0,x1
   1513  1.1  mrg 
   1514  1.1  mrg GSYM($$divU_17)
   1515  1.1  mrg 	.export		$$divU_17,millicode
   1516  1.1  mrg 	addi		1,x2,x2		/* this CAN overflow */
   1517  1.1  mrg 	addc		0,0,x1
   1518  1.1  mrg 	shd		x1,x2,28,t1	/* multiply by 0xf to get started */
   1519  1.1  mrg LSYM(u17)
   1520  1.1  mrg 	shd		x2,0,28,t2
   1521  1.1  mrg 	sub		t2,x2,x2
   1522  1.1  mrg 	b		LREF(pos_for_17)
   1523  1.1  mrg 	subb		t1,x1,x1
   1524  1.1  mrg 
   1525  1.1  mrg 
   1526  1.1  mrg /* DIVISION BY DIVISORS OF FFFFFF, and powers of 2 times these
   1527  1.1  mrg    includes 7,9 and also 14
   1528  1.1  mrg 
   1529  1.1  mrg 
   1530  1.1  mrg    z = 2**24-1
   1531  1.1  mrg    r = z mod x = 0
   1532  1.1  mrg 
   1533  1.1  mrg    so choose b = 0
   1534  1.1  mrg 
   1535  1.1  mrg    Also, in order to divide by z = 2**24-1, we approximate by dividing
   1536  1.1  mrg    by (z+1) = 2**24 (which is easy), and then correcting.
   1537  1.1  mrg 
   1538  1.1  mrg    (ax) = (z+1)q' + r
   1539  1.1  mrg    .	= zq' + (q'+r)
   1540  1.1  mrg 
   1541  1.1  mrg    So to compute (ax)/z, compute q' = (ax)/(z+1) and r = (ax) mod (z+1)
   1542  1.1  mrg    Then the true remainder of (ax)/z is (q'+r).  Repeat the process
   1543  1.1  mrg    with this new remainder, adding the tentative quotients together,
   1544  1.1  mrg    until a tentative quotient is 0 (and then we are done).  There is
   1545  1.1  mrg    one last correction to be done.  It is possible that (q'+r) = z.
   1546  1.1  mrg    If so, then (q'+r)/(z+1) = 0 and it looks like we are done.	But,
   1547  1.1  mrg    in fact, we need to add 1 more to the quotient.  Now, it turns
   1548  1.1  mrg    out that this happens if and only if the original value x is
   1549  1.1  mrg    an exact multiple of y.  So, to avoid a three instruction test at
   1550  1.1  mrg    the end, instead use 1 instruction to add 1 to x at the beginning.  */
   1551  1.1  mrg 
   1552  1.1  mrg /* DIVISION BY 7 (use z = 2**24-1; a = 249249) */
   1553  1.1  mrg GSYM($$divI_7)
   1554  1.1  mrg 	.export		$$divI_7,millicode
   1555  1.1  mrg 	comb,<,n	x2,0,LREF(neg7)
   1556  1.1  mrg LSYM(7)
   1557  1.1  mrg 	addi		1,x2,x2		/* cannot overflow */
   1558  1.1  mrg 	shd		0,x2,29,x1
   1559  1.1  mrg 	sh3add		x2,x2,x2
   1560  1.1  mrg 	addc		x1,0,x1
   1561  1.1  mrg LSYM(pos7)
   1562  1.1  mrg 	shd		x1,x2,26,t1
   1563  1.1  mrg 	shd		x2,0,26,t2
   1564  1.1  mrg 	add		x2,t2,x2
   1565  1.1  mrg 	addc		x1,t1,x1
   1566  1.1  mrg 
   1567  1.1  mrg 	shd		x1,x2,20,t1
   1568  1.1  mrg 	shd		x2,0,20,t2
   1569  1.1  mrg 	add		x2,t2,x2
   1570  1.1  mrg 	addc		x1,t1,t1
   1571  1.1  mrg 
   1572  1.1  mrg 	/* computed <t1,x2>.  Now divide it by (2**24 - 1)	*/
   1573  1.1  mrg 
   1574  1.1  mrg 	copy		0,x1
   1575  1.1  mrg 	shd,=		t1,x2,24,t1	/* tentative quotient  */
   1576  1.1  mrg LSYM(1)
   1577  1.1  mrg 	addb,tr		t1,x1,LREF(2)	/* add to previous quotient   */
   1578  1.1  mrg 	extru		x2,31,24,x2	/* new remainder (unadjusted) */
   1579  1.1  mrg 
   1580  1.1  mrg 	MILLIRETN
   1581  1.1  mrg 
   1582  1.1  mrg LSYM(2)
   1583  1.1  mrg 	addb,tr		t1,x2,LREF(1)	/* adjust remainder */
   1584  1.1  mrg 	extru,=		x2,7,8,t1	/* new quotient     */
   1585  1.1  mrg 
   1586  1.1  mrg LSYM(neg7)
   1587  1.1  mrg 	subi		1,x2,x2		/* negate x2 and add 1 */
   1588  1.1  mrg LSYM(8)
   1589  1.1  mrg 	shd		0,x2,29,x1
   1590  1.1  mrg 	sh3add		x2,x2,x2
   1591  1.1  mrg 	addc		x1,0,x1
   1592  1.1  mrg 
   1593  1.1  mrg LSYM(neg7_shift)
   1594  1.1  mrg 	shd		x1,x2,26,t1
   1595  1.1  mrg 	shd		x2,0,26,t2
   1596  1.1  mrg 	add		x2,t2,x2
   1597  1.1  mrg 	addc		x1,t1,x1
   1598  1.1  mrg 
   1599  1.1  mrg 	shd		x1,x2,20,t1
   1600  1.1  mrg 	shd		x2,0,20,t2
   1601  1.1  mrg 	add		x2,t2,x2
   1602  1.1  mrg 	addc		x1,t1,t1
   1603  1.1  mrg 
   1604  1.1  mrg 	/* computed <t1,x2>.  Now divide it by (2**24 - 1)	*/
   1605  1.1  mrg 
   1606  1.1  mrg 	copy		0,x1
   1607  1.1  mrg 	shd,=		t1,x2,24,t1	/* tentative quotient  */
   1608  1.1  mrg LSYM(3)
   1609  1.1  mrg 	addb,tr		t1,x1,LREF(4)	/* add to previous quotient   */
   1610  1.1  mrg 	extru		x2,31,24,x2	/* new remainder (unadjusted) */
   1611  1.1  mrg 
   1612  1.1  mrg 	MILLIRET
   1613  1.1  mrg 	sub		0,x1,x1		/* negate result    */
   1614  1.1  mrg 
   1615  1.1  mrg LSYM(4)
   1616  1.1  mrg 	addb,tr		t1,x2,LREF(3)	/* adjust remainder */
   1617  1.1  mrg 	extru,=		x2,7,8,t1	/* new quotient     */
   1618  1.1  mrg 
   1619  1.1  mrg GSYM($$divU_7)
   1620  1.1  mrg 	.export		$$divU_7,millicode
   1621  1.1  mrg 	addi		1,x2,x2		/* can carry */
   1622  1.1  mrg 	addc		0,0,x1
   1623  1.1  mrg 	shd		x1,x2,29,t1
   1624  1.1  mrg 	sh3add		x2,x2,x2
   1625  1.1  mrg 	b		LREF(pos7)
   1626  1.1  mrg 	addc		t1,x1,x1
   1627  1.1  mrg 
   1628  1.1  mrg /* DIVISION BY 9 (use z = 2**24-1; a = 1c71c7) */
   1629  1.1  mrg GSYM($$divI_9)
   1630  1.1  mrg 	.export		$$divI_9,millicode
   1631  1.1  mrg 	comb,<,n	x2,0,LREF(neg9)
   1632  1.1  mrg 	addi		1,x2,x2		/* cannot overflow */
   1633  1.1  mrg 	shd		0,x2,29,t1
   1634  1.1  mrg 	shd		x2,0,29,t2
   1635  1.1  mrg 	sub		t2,x2,x2
   1636  1.1  mrg 	b		LREF(pos7)
   1637  1.1  mrg 	subb		t1,0,x1
   1638  1.1  mrg 
   1639  1.1  mrg LSYM(neg9)
   1640  1.1  mrg 	subi		1,x2,x2		/* negate and add 1 */
   1641  1.1  mrg 	shd		0,x2,29,t1
   1642  1.1  mrg 	shd		x2,0,29,t2
   1643  1.1  mrg 	sub		t2,x2,x2
   1644  1.1  mrg 	b		LREF(neg7_shift)
   1645  1.1  mrg 	subb		t1,0,x1
   1646  1.1  mrg 
   1647  1.1  mrg GSYM($$divU_9)
   1648  1.1  mrg 	.export		$$divU_9,millicode
   1649  1.1  mrg 	addi		1,x2,x2		/* can carry */
   1650  1.1  mrg 	addc		0,0,x1
   1651  1.1  mrg 	shd		x1,x2,29,t1
   1652  1.1  mrg 	shd		x2,0,29,t2
   1653  1.1  mrg 	sub		t2,x2,x2
   1654  1.1  mrg 	b		LREF(pos7)
   1655  1.1  mrg 	subb		t1,x1,x1
   1656  1.1  mrg 
   1657  1.1  mrg /* DIVISION BY 14 (shift to divide by 2 then divide by 7) */
   1658  1.1  mrg GSYM($$divI_14)
   1659  1.1  mrg 	.export		$$divI_14,millicode
   1660  1.1  mrg 	comb,<,n	x2,0,LREF(neg14)
   1661  1.1  mrg GSYM($$divU_14)
   1662  1.1  mrg 	.export		$$divU_14,millicode
   1663  1.1  mrg 	b		LREF(7)		/* go to 7 case */
   1664  1.1  mrg 	extru		x2,30,31,x2	/* divide by 2  */
   1665  1.1  mrg 
   1666  1.1  mrg LSYM(neg14)
   1667  1.1  mrg 	subi		2,x2,x2		/* negate (and add 2) */
   1668  1.1  mrg 	b		LREF(8)
   1669  1.1  mrg 	extru		x2,30,31,x2	/* divide by 2	      */
   1670  1.1  mrg 	.exit
   1671  1.1  mrg 	.procend
   1672  1.1  mrg 	.end
   1673  1.1  mrg #endif
   1674  1.1  mrg 
   1675  1.1  mrg #ifdef L_mulI
   1676  1.1  mrg /* VERSION "@(#)$$mulI $ Revision: 12.4 $ $ Date: 94/03/17 17:18:51 $" */
   1677  1.1  mrg /******************************************************************************
   1678  1.1  mrg This routine is used on PA2.0 processors when gcc -mno-fpregs is used
   1679  1.1  mrg 
   1680  1.1  mrg ROUTINE:	$$mulI
   1681  1.1  mrg 
   1682  1.1  mrg 
   1683  1.1  mrg DESCRIPTION:
   1684  1.1  mrg 
   1685  1.1  mrg 	$$mulI multiplies two single word integers, giving a single
   1686  1.1  mrg 	word result.
   1687  1.1  mrg 
   1688  1.1  mrg 
   1689  1.1  mrg INPUT REGISTERS:
   1690  1.1  mrg 
   1691  1.1  mrg 	arg0 = Operand 1
   1692  1.1  mrg 	arg1 = Operand 2
   1693  1.1  mrg 	r31  == return pc
   1694  1.1  mrg 	sr0  == return space when called externally
   1695  1.1  mrg 
   1696  1.1  mrg 
   1697  1.1  mrg OUTPUT REGISTERS:
   1698  1.1  mrg 
   1699  1.1  mrg 	arg0 = undefined
   1700  1.1  mrg 	arg1 = undefined
   1701  1.1  mrg 	ret1 = result
   1702  1.1  mrg 
   1703  1.1  mrg OTHER REGISTERS AFFECTED:
   1704  1.1  mrg 
   1705  1.1  mrg 	r1   = undefined
   1706  1.1  mrg 
   1707  1.1  mrg SIDE EFFECTS:
   1708  1.1  mrg 
   1709  1.1  mrg 	Causes a trap under the following conditions:  NONE
   1710  1.1  mrg 	Changes memory at the following places:  NONE
   1711  1.1  mrg 
   1712  1.1  mrg PERMISSIBLE CONTEXT:
   1713  1.1  mrg 
   1714  1.1  mrg 	Unwindable
   1715  1.1  mrg 	Does not create a stack frame
   1716  1.1  mrg 	Is usable for internal or external microcode
   1717  1.1  mrg 
   1718  1.1  mrg DISCUSSION:
   1719  1.1  mrg 
   1720  1.1  mrg 	Calls other millicode routines via mrp:  NONE
   1721  1.1  mrg 	Calls other millicode routines:  NONE
   1722  1.1  mrg 
   1723  1.1  mrg ***************************************************************************/
   1724  1.1  mrg 
   1725  1.1  mrg 
   1726  1.1  mrg #define	a0	%arg0
   1727  1.1  mrg #define	a1	%arg1
   1728  1.1  mrg #define	t0	%r1
   1729  1.1  mrg #define	r	%ret1
   1730  1.1  mrg 
   1731  1.1  mrg #define	a0__128a0	zdep	a0,24,25,a0
   1732  1.1  mrg #define	a0__256a0	zdep	a0,23,24,a0
   1733  1.1  mrg #define	a1_ne_0_b_l0	comb,<>	a1,0,LREF(l0)
   1734  1.1  mrg #define	a1_ne_0_b_l1	comb,<>	a1,0,LREF(l1)
   1735  1.1  mrg #define	a1_ne_0_b_l2	comb,<>	a1,0,LREF(l2)
   1736  1.1  mrg #define	b_n_ret_t0	b,n	LREF(ret_t0)
   1737  1.1  mrg #define	b_e_shift	b	LREF(e_shift)
   1738  1.1  mrg #define	b_e_t0ma0	b	LREF(e_t0ma0)
   1739  1.1  mrg #define	b_e_t0		b	LREF(e_t0)
   1740  1.1  mrg #define	b_e_t0a0	b	LREF(e_t0a0)
   1741  1.1  mrg #define	b_e_t02a0	b	LREF(e_t02a0)
   1742  1.1  mrg #define	b_e_t04a0	b	LREF(e_t04a0)
   1743  1.1  mrg #define	b_e_2t0		b	LREF(e_2t0)
   1744  1.1  mrg #define	b_e_2t0a0	b	LREF(e_2t0a0)
   1745  1.1  mrg #define	b_e_2t04a0	b	LREF(e2t04a0)
   1746  1.1  mrg #define	b_e_3t0		b	LREF(e_3t0)
   1747  1.1  mrg #define	b_e_4t0		b	LREF(e_4t0)
   1748  1.1  mrg #define	b_e_4t0a0	b	LREF(e_4t0a0)
   1749  1.1  mrg #define	b_e_4t08a0	b	LREF(e4t08a0)
   1750  1.1  mrg #define	b_e_5t0		b	LREF(e_5t0)
   1751  1.1  mrg #define	b_e_8t0		b	LREF(e_8t0)
   1752  1.1  mrg #define	b_e_8t0a0	b	LREF(e_8t0a0)
   1753  1.1  mrg #define	r__r_a0		add	r,a0,r
   1754  1.1  mrg #define	r__r_2a0	sh1add	a0,r,r
   1755  1.1  mrg #define	r__r_4a0	sh2add	a0,r,r
   1756  1.1  mrg #define	r__r_8a0	sh3add	a0,r,r
   1757  1.1  mrg #define	r__r_t0		add	r,t0,r
   1758  1.1  mrg #define	r__r_2t0	sh1add	t0,r,r
   1759  1.1  mrg #define	r__r_4t0	sh2add	t0,r,r
   1760  1.1  mrg #define	r__r_8t0	sh3add	t0,r,r
   1761  1.1  mrg #define	t0__3a0		sh1add	a0,a0,t0
   1762  1.1  mrg #define	t0__4a0		sh2add	a0,0,t0
   1763  1.1  mrg #define	t0__5a0		sh2add	a0,a0,t0
   1764  1.1  mrg #define	t0__8a0		sh3add	a0,0,t0
   1765  1.1  mrg #define	t0__9a0		sh3add	a0,a0,t0
   1766  1.1  mrg #define	t0__16a0	zdep	a0,27,28,t0
   1767  1.1  mrg #define	t0__32a0	zdep	a0,26,27,t0
   1768  1.1  mrg #define	t0__64a0	zdep	a0,25,26,t0
   1769  1.1  mrg #define	t0__128a0	zdep	a0,24,25,t0
   1770  1.1  mrg #define	t0__t0ma0	sub	t0,a0,t0
   1771  1.1  mrg #define	t0__t0_a0	add	t0,a0,t0
   1772  1.1  mrg #define	t0__t0_2a0	sh1add	a0,t0,t0
   1773  1.1  mrg #define	t0__t0_4a0	sh2add	a0,t0,t0
   1774  1.1  mrg #define	t0__t0_8a0	sh3add	a0,t0,t0
   1775  1.1  mrg #define	t0__2t0_a0	sh1add	t0,a0,t0
   1776  1.1  mrg #define	t0__3t0		sh1add	t0,t0,t0
   1777  1.1  mrg #define	t0__4t0		sh2add	t0,0,t0
   1778  1.1  mrg #define	t0__4t0_a0	sh2add	t0,a0,t0
   1779  1.1  mrg #define	t0__5t0		sh2add	t0,t0,t0
   1780  1.1  mrg #define	t0__8t0		sh3add	t0,0,t0
   1781  1.1  mrg #define	t0__8t0_a0	sh3add	t0,a0,t0
   1782  1.1  mrg #define	t0__9t0		sh3add	t0,t0,t0
   1783  1.1  mrg #define	t0__16t0	zdep	t0,27,28,t0
   1784  1.1  mrg #define	t0__32t0	zdep	t0,26,27,t0
   1785  1.1  mrg #define	t0__256a0	zdep	a0,23,24,t0
   1786  1.1  mrg 
   1787  1.1  mrg 
   1788  1.1  mrg 	SUBSPA_MILLI
   1789  1.1  mrg 	ATTR_MILLI
   1790  1.1  mrg 	.align 16
   1791  1.1  mrg 	.proc
   1792  1.1  mrg 	.callinfo millicode
   1793  1.1  mrg 	.export $$mulI,millicode
   1794  1.1  mrg GSYM($$mulI)
   1795  1.1  mrg 	combt,<<=	a1,a0,LREF(l4)	/* swap args if unsigned a1>a0 */
   1796  1.1  mrg 	copy		0,r		/* zero out the result */
   1797  1.1  mrg 	xor		a0,a1,a0	/* swap a0 & a1 using the */
   1798  1.1  mrg 	xor		a0,a1,a1	/*  old xor trick */
   1799  1.1  mrg 	xor		a0,a1,a0
   1800  1.1  mrg LSYM(l4)
   1801  1.1  mrg 	combt,<=	0,a0,LREF(l3)		/* if a0>=0 then proceed like unsigned */
   1802  1.1  mrg 	zdep		a1,30,8,t0	/* t0 = (a1&0xff)<<1 ********* */
   1803  1.1  mrg 	sub,>		0,a1,t0		/* otherwise negate both and */
   1804  1.1  mrg 	combt,<=,n	a0,t0,LREF(l2)	/*  swap back if |a0|<|a1| */
   1805  1.1  mrg 	sub		0,a0,a1
   1806  1.1  mrg 	movb,tr,n	t0,a0,LREF(l2)	/* 10th inst.  */
   1807  1.1  mrg 
   1808  1.1  mrg LSYM(l0)	r__r_t0				/* add in this partial product */
   1809  1.1  mrg LSYM(l1)	a0__256a0			/* a0 <<= 8 ****************** */
   1810  1.1  mrg LSYM(l2)	zdep		a1,30,8,t0	/* t0 = (a1&0xff)<<1 ********* */
   1811  1.1  mrg LSYM(l3)	blr		t0,0		/* case on these 8 bits ****** */
   1812  1.1  mrg 		extru		a1,23,24,a1	/* a1 >>= 8 ****************** */
   1813  1.1  mrg 
   1814  1.1  mrg /*16 insts before this.  */
   1815  1.1  mrg /*			  a0 <<= 8 ************************** */
   1816  1.1  mrg LSYM(x0)	a1_ne_0_b_l2	! a0__256a0	! MILLIRETN	! nop
   1817  1.1  mrg LSYM(x1)	a1_ne_0_b_l1	! r__r_a0	! MILLIRETN	! nop
   1818  1.1  mrg LSYM(x2)	a1_ne_0_b_l1	! r__r_2a0	! MILLIRETN	! nop
   1819  1.1  mrg LSYM(x3)	a1_ne_0_b_l0	! t0__3a0	! MILLIRET	! r__r_t0
   1820  1.1  mrg LSYM(x4)	a1_ne_0_b_l1	! r__r_4a0	! MILLIRETN	! nop
   1821  1.1  mrg LSYM(x5)	a1_ne_0_b_l0	! t0__5a0	! MILLIRET	! r__r_t0
   1822  1.1  mrg LSYM(x6)	t0__3a0		! a1_ne_0_b_l1	! r__r_2t0	! MILLIRETN
   1823  1.1  mrg LSYM(x7)	t0__3a0		! a1_ne_0_b_l0	! r__r_4a0	! b_n_ret_t0
   1824  1.1  mrg LSYM(x8)	a1_ne_0_b_l1	! r__r_8a0	! MILLIRETN	! nop
   1825  1.1  mrg LSYM(x9)	a1_ne_0_b_l0	! t0__9a0	! MILLIRET	! r__r_t0
   1826  1.1  mrg LSYM(x10)	t0__5a0		! a1_ne_0_b_l1	! r__r_2t0	! MILLIRETN
   1827  1.1  mrg LSYM(x11)	t0__3a0		! a1_ne_0_b_l0	! r__r_8a0	! b_n_ret_t0
   1828  1.1  mrg LSYM(x12)	t0__3a0		! a1_ne_0_b_l1	! r__r_4t0	! MILLIRETN
   1829  1.1  mrg LSYM(x13)	t0__5a0		! a1_ne_0_b_l0	! r__r_8a0	! b_n_ret_t0
   1830  1.1  mrg LSYM(x14)	t0__3a0		! t0__2t0_a0	! b_e_shift	! r__r_2t0
   1831  1.1  mrg LSYM(x15)	t0__5a0		! a1_ne_0_b_l0	! t0__3t0	! b_n_ret_t0
   1832  1.1  mrg LSYM(x16)	t0__16a0	! a1_ne_0_b_l1	! r__r_t0	! MILLIRETN
   1833  1.1  mrg LSYM(x17)	t0__9a0		! a1_ne_0_b_l0	! t0__t0_8a0	! b_n_ret_t0
   1834  1.1  mrg LSYM(x18)	t0__9a0		! a1_ne_0_b_l1	! r__r_2t0	! MILLIRETN
   1835  1.1  mrg LSYM(x19)	t0__9a0		! a1_ne_0_b_l0	! t0__2t0_a0	! b_n_ret_t0
   1836  1.1  mrg LSYM(x20)	t0__5a0		! a1_ne_0_b_l1	! r__r_4t0	! MILLIRETN
   1837  1.1  mrg LSYM(x21)	t0__5a0		! a1_ne_0_b_l0	! t0__4t0_a0	! b_n_ret_t0
   1838  1.1  mrg LSYM(x22)	t0__5a0		! t0__2t0_a0	! b_e_shift	! r__r_2t0
   1839  1.1  mrg LSYM(x23)	t0__5a0		! t0__2t0_a0	! b_e_t0	! t0__2t0_a0
   1840  1.1  mrg LSYM(x24)	t0__3a0		! a1_ne_0_b_l1	! r__r_8t0	! MILLIRETN
   1841  1.1  mrg LSYM(x25)	t0__5a0		! a1_ne_0_b_l0	! t0__5t0	! b_n_ret_t0
   1842  1.1  mrg LSYM(x26)	t0__3a0		! t0__4t0_a0	! b_e_shift	! r__r_2t0
   1843  1.1  mrg LSYM(x27)	t0__3a0		! a1_ne_0_b_l0	! t0__9t0	! b_n_ret_t0
   1844  1.1  mrg LSYM(x28)	t0__3a0		! t0__2t0_a0	! b_e_shift	! r__r_4t0
   1845  1.1  mrg LSYM(x29)	t0__3a0		! t0__2t0_a0	! b_e_t0	! t0__4t0_a0
   1846  1.1  mrg LSYM(x30)	t0__5a0		! t0__3t0	! b_e_shift	! r__r_2t0
   1847  1.1  mrg LSYM(x31)	t0__32a0	! a1_ne_0_b_l0	! t0__t0ma0	! b_n_ret_t0
   1848  1.1  mrg LSYM(x32)	t0__32a0	! a1_ne_0_b_l1	! r__r_t0	! MILLIRETN
   1849  1.1  mrg LSYM(x33)	t0__8a0		! a1_ne_0_b_l0	! t0__4t0_a0	! b_n_ret_t0
   1850  1.1  mrg LSYM(x34)	t0__16a0	! t0__t0_a0	! b_e_shift	! r__r_2t0
   1851  1.1  mrg LSYM(x35)	t0__9a0		! t0__3t0	! b_e_t0	! t0__t0_8a0
   1852  1.1  mrg LSYM(x36)	t0__9a0		! a1_ne_0_b_l1	! r__r_4t0	! MILLIRETN
   1853  1.1  mrg LSYM(x37)	t0__9a0		! a1_ne_0_b_l0	! t0__4t0_a0	! b_n_ret_t0
   1854  1.1  mrg LSYM(x38)	t0__9a0		! t0__2t0_a0	! b_e_shift	! r__r_2t0
   1855  1.1  mrg LSYM(x39)	t0__9a0		! t0__2t0_a0	! b_e_t0	! t0__2t0_a0
   1856  1.1  mrg LSYM(x40)	t0__5a0		! a1_ne_0_b_l1	! r__r_8t0	! MILLIRETN
   1857  1.1  mrg LSYM(x41)	t0__5a0		! a1_ne_0_b_l0	! t0__8t0_a0	! b_n_ret_t0
   1858  1.1  mrg LSYM(x42)	t0__5a0		! t0__4t0_a0	! b_e_shift	! r__r_2t0
   1859  1.1  mrg LSYM(x43)	t0__5a0		! t0__4t0_a0	! b_e_t0	! t0__2t0_a0
   1860  1.1  mrg LSYM(x44)	t0__5a0		! t0__2t0_a0	! b_e_shift	! r__r_4t0
   1861  1.1  mrg LSYM(x45)	t0__9a0		! a1_ne_0_b_l0	! t0__5t0	! b_n_ret_t0
   1862  1.1  mrg LSYM(x46)	t0__9a0		! t0__5t0	! b_e_t0	! t0__t0_a0
   1863  1.1  mrg LSYM(x47)	t0__9a0		! t0__5t0	! b_e_t0	! t0__t0_2a0
   1864  1.1  mrg LSYM(x48)	t0__3a0		! a1_ne_0_b_l0	! t0__16t0	! b_n_ret_t0
   1865  1.1  mrg LSYM(x49)	t0__9a0		! t0__5t0	! b_e_t0	! t0__t0_4a0
   1866  1.1  mrg LSYM(x50)	t0__5a0		! t0__5t0	! b_e_shift	! r__r_2t0
   1867  1.1  mrg LSYM(x51)	t0__9a0		! t0__t0_8a0	! b_e_t0	! t0__3t0
   1868  1.1  mrg LSYM(x52)	t0__3a0		! t0__4t0_a0	! b_e_shift	! r__r_4t0
   1869  1.1  mrg LSYM(x53)	t0__3a0		! t0__4t0_a0	! b_e_t0	! t0__4t0_a0
   1870  1.1  mrg LSYM(x54)	t0__9a0		! t0__3t0	! b_e_shift	! r__r_2t0
   1871  1.1  mrg LSYM(x55)	t0__9a0		! t0__3t0	! b_e_t0	! t0__2t0_a0
   1872  1.1  mrg LSYM(x56)	t0__3a0		! t0__2t0_a0	! b_e_shift	! r__r_8t0
   1873  1.1  mrg LSYM(x57)	t0__9a0		! t0__2t0_a0	! b_e_t0	! t0__3t0
   1874  1.1  mrg LSYM(x58)	t0__3a0		! t0__2t0_a0	! b_e_2t0	! t0__4t0_a0
   1875  1.1  mrg LSYM(x59)	t0__9a0		! t0__2t0_a0	! b_e_t02a0	! t0__3t0
   1876  1.1  mrg LSYM(x60)	t0__5a0		! t0__3t0	! b_e_shift	! r__r_4t0
   1877  1.1  mrg LSYM(x61)	t0__5a0		! t0__3t0	! b_e_t0	! t0__4t0_a0
   1878  1.1  mrg LSYM(x62)	t0__32a0	! t0__t0ma0	! b_e_shift	! r__r_2t0
   1879  1.1  mrg LSYM(x63)	t0__64a0	! a1_ne_0_b_l0	! t0__t0ma0	! b_n_ret_t0
   1880  1.1  mrg LSYM(x64)	t0__64a0	! a1_ne_0_b_l1	! r__r_t0	! MILLIRETN
   1881  1.1  mrg LSYM(x65)	t0__8a0		! a1_ne_0_b_l0	! t0__8t0_a0	! b_n_ret_t0
   1882  1.1  mrg LSYM(x66)	t0__32a0	! t0__t0_a0	! b_e_shift	! r__r_2t0
   1883  1.1  mrg LSYM(x67)	t0__8a0		! t0__4t0_a0	! b_e_t0	! t0__2t0_a0
   1884  1.1  mrg LSYM(x68)	t0__8a0		! t0__2t0_a0	! b_e_shift	! r__r_4t0
   1885  1.1  mrg LSYM(x69)	t0__8a0		! t0__2t0_a0	! b_e_t0	! t0__4t0_a0
   1886  1.1  mrg LSYM(x70)	t0__64a0	! t0__t0_4a0	! b_e_t0	! t0__t0_2a0
   1887  1.1  mrg LSYM(x71)	t0__9a0		! t0__8t0	! b_e_t0	! t0__t0ma0
   1888  1.1  mrg LSYM(x72)	t0__9a0		! a1_ne_0_b_l1	! r__r_8t0	! MILLIRETN
   1889  1.1  mrg LSYM(x73)	t0__9a0		! t0__8t0_a0	! b_e_shift	! r__r_t0
   1890  1.1  mrg LSYM(x74)	t0__9a0		! t0__4t0_a0	! b_e_shift	! r__r_2t0
   1891  1.1  mrg LSYM(x75)	t0__9a0		! t0__4t0_a0	! b_e_t0	! t0__2t0_a0
   1892  1.1  mrg LSYM(x76)	t0__9a0		! t0__2t0_a0	! b_e_shift	! r__r_4t0
   1893  1.1  mrg LSYM(x77)	t0__9a0		! t0__2t0_a0	! b_e_t0	! t0__4t0_a0
   1894  1.1  mrg LSYM(x78)	t0__9a0		! t0__2t0_a0	! b_e_2t0	! t0__2t0_a0
   1895  1.1  mrg LSYM(x79)	t0__16a0	! t0__5t0	! b_e_t0	! t0__t0ma0
   1896  1.1  mrg LSYM(x80)	t0__16a0	! t0__5t0	! b_e_shift	! r__r_t0
   1897  1.1  mrg LSYM(x81)	t0__9a0		! t0__9t0	! b_e_shift	! r__r_t0
   1898  1.1  mrg LSYM(x82)	t0__5a0		! t0__8t0_a0	! b_e_shift	! r__r_2t0
   1899  1.1  mrg LSYM(x83)	t0__5a0		! t0__8t0_a0	! b_e_t0	! t0__2t0_a0
   1900  1.1  mrg LSYM(x84)	t0__5a0		! t0__4t0_a0	! b_e_shift	! r__r_4t0
   1901  1.1  mrg LSYM(x85)	t0__8a0		! t0__2t0_a0	! b_e_t0	! t0__5t0
   1902  1.1  mrg LSYM(x86)	t0__5a0		! t0__4t0_a0	! b_e_2t0	! t0__2t0_a0
   1903  1.1  mrg LSYM(x87)	t0__9a0		! t0__9t0	! b_e_t02a0	! t0__t0_4a0
   1904  1.1  mrg LSYM(x88)	t0__5a0		! t0__2t0_a0	! b_e_shift	! r__r_8t0
   1905  1.1  mrg LSYM(x89)	t0__5a0		! t0__2t0_a0	! b_e_t0	! t0__8t0_a0
   1906  1.1  mrg LSYM(x90)	t0__9a0		! t0__5t0	! b_e_shift	! r__r_2t0
   1907  1.1  mrg LSYM(x91)	t0__9a0		! t0__5t0	! b_e_t0	! t0__2t0_a0
   1908  1.1  mrg LSYM(x92)	t0__5a0		! t0__2t0_a0	! b_e_4t0	! t0__2t0_a0
   1909  1.1  mrg LSYM(x93)	t0__32a0	! t0__t0ma0	! b_e_t0	! t0__3t0
   1910  1.1  mrg LSYM(x94)	t0__9a0		! t0__5t0	! b_e_2t0	! t0__t0_2a0
   1911  1.1  mrg LSYM(x95)	t0__9a0		! t0__2t0_a0	! b_e_t0	! t0__5t0
   1912  1.1  mrg LSYM(x96)	t0__8a0		! t0__3t0	! b_e_shift	! r__r_4t0
   1913  1.1  mrg LSYM(x97)	t0__8a0		! t0__3t0	! b_e_t0	! t0__4t0_a0
   1914  1.1  mrg LSYM(x98)	t0__32a0	! t0__3t0	! b_e_t0	! t0__t0_2a0
   1915  1.1  mrg LSYM(x99)	t0__8a0		! t0__4t0_a0	! b_e_t0	! t0__3t0
   1916  1.1  mrg LSYM(x100)	t0__5a0		! t0__5t0	! b_e_shift	! r__r_4t0
   1917  1.1  mrg LSYM(x101)	t0__5a0		! t0__5t0	! b_e_t0	! t0__4t0_a0
   1918  1.1  mrg LSYM(x102)	t0__32a0	! t0__t0_2a0	! b_e_t0	! t0__3t0
   1919  1.1  mrg LSYM(x103)	t0__5a0		! t0__5t0	! b_e_t02a0	! t0__4t0_a0
   1920  1.1  mrg LSYM(x104)	t0__3a0		! t0__4t0_a0	! b_e_shift	! r__r_8t0
   1921  1.1  mrg LSYM(x105)	t0__5a0		! t0__4t0_a0	! b_e_t0	! t0__5t0
   1922  1.1  mrg LSYM(x106)	t0__3a0		! t0__4t0_a0	! b_e_2t0	! t0__4t0_a0
   1923  1.1  mrg LSYM(x107)	t0__9a0		! t0__t0_4a0	! b_e_t02a0	! t0__8t0_a0
   1924  1.1  mrg LSYM(x108)	t0__9a0		! t0__3t0	! b_e_shift	! r__r_4t0
   1925  1.1  mrg LSYM(x109)	t0__9a0		! t0__3t0	! b_e_t0	! t0__4t0_a0
   1926  1.1  mrg LSYM(x110)	t0__9a0		! t0__3t0	! b_e_2t0	! t0__2t0_a0
   1927  1.1  mrg LSYM(x111)	t0__9a0		! t0__4t0_a0	! b_e_t0	! t0__3t0
   1928  1.1  mrg LSYM(x112)	t0__3a0		! t0__2t0_a0	! b_e_t0	! t0__16t0
   1929  1.1  mrg LSYM(x113)	t0__9a0		! t0__4t0_a0	! b_e_t02a0	! t0__3t0
   1930  1.1  mrg LSYM(x114)	t0__9a0		! t0__2t0_a0	! b_e_2t0	! t0__3t0
   1931  1.1  mrg LSYM(x115)	t0__9a0		! t0__2t0_a0	! b_e_2t0a0	! t0__3t0
   1932  1.1  mrg LSYM(x116)	t0__3a0		! t0__2t0_a0	! b_e_4t0	! t0__4t0_a0
   1933  1.1  mrg LSYM(x117)	t0__3a0		! t0__4t0_a0	! b_e_t0	! t0__9t0
   1934  1.1  mrg LSYM(x118)	t0__3a0		! t0__4t0_a0	! b_e_t0a0	! t0__9t0
   1935  1.1  mrg LSYM(x119)	t0__3a0		! t0__4t0_a0	! b_e_t02a0	! t0__9t0
   1936  1.1  mrg LSYM(x120)	t0__5a0		! t0__3t0	! b_e_shift	! r__r_8t0
   1937  1.1  mrg LSYM(x121)	t0__5a0		! t0__3t0	! b_e_t0	! t0__8t0_a0
   1938  1.1  mrg LSYM(x122)	t0__5a0		! t0__3t0	! b_e_2t0	! t0__4t0_a0
   1939  1.1  mrg LSYM(x123)	t0__5a0		! t0__8t0_a0	! b_e_t0	! t0__3t0
   1940  1.1  mrg LSYM(x124)	t0__32a0	! t0__t0ma0	! b_e_shift	! r__r_4t0
   1941  1.1  mrg LSYM(x125)	t0__5a0		! t0__5t0	! b_e_t0	! t0__5t0
   1942  1.1  mrg LSYM(x126)	t0__64a0	! t0__t0ma0	! b_e_shift	! r__r_2t0
   1943  1.1  mrg LSYM(x127)	t0__128a0	! a1_ne_0_b_l0	! t0__t0ma0	! b_n_ret_t0
   1944  1.1  mrg LSYM(x128)	t0__128a0	! a1_ne_0_b_l1	! r__r_t0	! MILLIRETN
   1945  1.1  mrg LSYM(x129)	t0__128a0	! a1_ne_0_b_l0	! t0__t0_a0	! b_n_ret_t0
   1946  1.1  mrg LSYM(x130)	t0__64a0	! t0__t0_a0	! b_e_shift	! r__r_2t0
   1947  1.1  mrg LSYM(x131)	t0__8a0		! t0__8t0_a0	! b_e_t0	! t0__2t0_a0
   1948  1.1  mrg LSYM(x132)	t0__8a0		! t0__4t0_a0	! b_e_shift	! r__r_4t0
   1949  1.1  mrg LSYM(x133)	t0__8a0		! t0__4t0_a0	! b_e_t0	! t0__4t0_a0
   1950  1.1  mrg LSYM(x134)	t0__8a0		! t0__4t0_a0	! b_e_2t0	! t0__2t0_a0
   1951  1.1  mrg LSYM(x135)	t0__9a0		! t0__5t0	! b_e_t0	! t0__3t0
   1952  1.1  mrg LSYM(x136)	t0__8a0		! t0__2t0_a0	! b_e_shift	! r__r_8t0
   1953  1.1  mrg LSYM(x137)	t0__8a0		! t0__2t0_a0	! b_e_t0	! t0__8t0_a0
   1954  1.1  mrg LSYM(x138)	t0__8a0		! t0__2t0_a0	! b_e_2t0	! t0__4t0_a0
   1955  1.1  mrg LSYM(x139)	t0__8a0		! t0__2t0_a0	! b_e_2t0a0	! t0__4t0_a0
   1956  1.1  mrg LSYM(x140)	t0__3a0		! t0__2t0_a0	! b_e_4t0	! t0__5t0
   1957  1.1  mrg LSYM(x141)	t0__8a0		! t0__2t0_a0	! b_e_4t0a0	! t0__2t0_a0
   1958  1.1  mrg LSYM(x142)	t0__9a0		! t0__8t0	! b_e_2t0	! t0__t0ma0
   1959  1.1  mrg LSYM(x143)	t0__16a0	! t0__9t0	! b_e_t0	! t0__t0ma0
   1960  1.1  mrg LSYM(x144)	t0__9a0		! t0__8t0	! b_e_shift	! r__r_2t0
   1961  1.1  mrg LSYM(x145)	t0__9a0		! t0__8t0	! b_e_t0	! t0__2t0_a0
   1962  1.1  mrg LSYM(x146)	t0__9a0		! t0__8t0_a0	! b_e_shift	! r__r_2t0
   1963  1.1  mrg LSYM(x147)	t0__9a0		! t0__8t0_a0	! b_e_t0	! t0__2t0_a0
   1964  1.1  mrg LSYM(x148)	t0__9a0		! t0__4t0_a0	! b_e_shift	! r__r_4t0
   1965  1.1  mrg LSYM(x149)	t0__9a0		! t0__4t0_a0	! b_e_t0	! t0__4t0_a0
   1966  1.1  mrg LSYM(x150)	t0__9a0		! t0__4t0_a0	! b_e_2t0	! t0__2t0_a0
   1967  1.1  mrg LSYM(x151)	t0__9a0		! t0__4t0_a0	! b_e_2t0a0	! t0__2t0_a0
   1968  1.1  mrg LSYM(x152)	t0__9a0		! t0__2t0_a0	! b_e_shift	! r__r_8t0
   1969  1.1  mrg LSYM(x153)	t0__9a0		! t0__2t0_a0	! b_e_t0	! t0__8t0_a0
   1970  1.1  mrg LSYM(x154)	t0__9a0		! t0__2t0_a0	! b_e_2t0	! t0__4t0_a0
   1971  1.1  mrg LSYM(x155)	t0__32a0	! t0__t0ma0	! b_e_t0	! t0__5t0
   1972  1.1  mrg LSYM(x156)	t0__9a0		! t0__2t0_a0	! b_e_4t0	! t0__2t0_a0
   1973  1.1  mrg LSYM(x157)	t0__32a0	! t0__t0ma0	! b_e_t02a0	! t0__5t0
   1974  1.1  mrg LSYM(x158)	t0__16a0	! t0__5t0	! b_e_2t0	! t0__t0ma0
   1975  1.1  mrg LSYM(x159)	t0__32a0	! t0__5t0	! b_e_t0	! t0__t0ma0
   1976  1.1  mrg LSYM(x160)	t0__5a0		! t0__4t0	! b_e_shift	! r__r_8t0
   1977  1.1  mrg LSYM(x161)	t0__8a0		! t0__5t0	! b_e_t0	! t0__4t0_a0
   1978  1.1  mrg LSYM(x162)	t0__9a0		! t0__9t0	! b_e_shift	! r__r_2t0
   1979  1.1  mrg LSYM(x163)	t0__9a0		! t0__9t0	! b_e_t0	! t0__2t0_a0
   1980  1.1  mrg LSYM(x164)	t0__5a0		! t0__8t0_a0	! b_e_shift	! r__r_4t0
   1981  1.1  mrg LSYM(x165)	t0__8a0		! t0__4t0_a0	! b_e_t0	! t0__5t0
   1982  1.1  mrg LSYM(x166)	t0__5a0		! t0__8t0_a0	! b_e_2t0	! t0__2t0_a0
   1983  1.1  mrg LSYM(x167)	t0__5a0		! t0__8t0_a0	! b_e_2t0a0	! t0__2t0_a0
   1984  1.1  mrg LSYM(x168)	t0__5a0		! t0__4t0_a0	! b_e_shift	! r__r_8t0
   1985  1.1  mrg LSYM(x169)	t0__5a0		! t0__4t0_a0	! b_e_t0	! t0__8t0_a0
   1986  1.1  mrg LSYM(x170)	t0__32a0	! t0__t0_2a0	! b_e_t0	! t0__5t0
   1987  1.1  mrg LSYM(x171)	t0__9a0		! t0__2t0_a0	! b_e_t0	! t0__9t0
   1988  1.1  mrg LSYM(x172)	t0__5a0		! t0__4t0_a0	! b_e_4t0	! t0__2t0_a0
   1989  1.1  mrg LSYM(x173)	t0__9a0		! t0__2t0_a0	! b_e_t02a0	! t0__9t0
   1990  1.1  mrg LSYM(x174)	t0__32a0	! t0__t0_2a0	! b_e_t04a0	! t0__5t0
   1991  1.1  mrg LSYM(x175)	t0__8a0		! t0__2t0_a0	! b_e_5t0	! t0__2t0_a0
   1992  1.1  mrg LSYM(x176)	t0__5a0		! t0__4t0_a0	! b_e_8t0	! t0__t0_a0
   1993  1.1  mrg LSYM(x177)	t0__5a0		! t0__4t0_a0	! b_e_8t0a0	! t0__t0_a0
   1994  1.1  mrg LSYM(x178)	t0__5a0		! t0__2t0_a0	! b_e_2t0	! t0__8t0_a0
   1995  1.1  mrg LSYM(x179)	t0__5a0		! t0__2t0_a0	! b_e_2t0a0	! t0__8t0_a0
   1996  1.1  mrg LSYM(x180)	t0__9a0		! t0__5t0	! b_e_shift	! r__r_4t0
   1997  1.1  mrg LSYM(x181)	t0__9a0		! t0__5t0	! b_e_t0	! t0__4t0_a0
   1998  1.1  mrg LSYM(x182)	t0__9a0		! t0__5t0	! b_e_2t0	! t0__2t0_a0
   1999  1.1  mrg LSYM(x183)	t0__9a0		! t0__5t0	! b_e_2t0a0	! t0__2t0_a0
   2000  1.1  mrg LSYM(x184)	t0__5a0		! t0__9t0	! b_e_4t0	! t0__t0_a0
   2001  1.1  mrg LSYM(x185)	t0__9a0		! t0__4t0_a0	! b_e_t0	! t0__5t0
   2002  1.1  mrg LSYM(x186)	t0__32a0	! t0__t0ma0	! b_e_2t0	! t0__3t0
   2003  1.1  mrg LSYM(x187)	t0__9a0		! t0__4t0_a0	! b_e_t02a0	! t0__5t0
   2004  1.1  mrg LSYM(x188)	t0__9a0		! t0__5t0	! b_e_4t0	! t0__t0_2a0
   2005  1.1  mrg LSYM(x189)	t0__5a0		! t0__4t0_a0	! b_e_t0	! t0__9t0
   2006  1.1  mrg LSYM(x190)	t0__9a0		! t0__2t0_a0	! b_e_2t0	! t0__5t0
   2007  1.1  mrg LSYM(x191)	t0__64a0	! t0__3t0	! b_e_t0	! t0__t0ma0
   2008  1.1  mrg LSYM(x192)	t0__8a0		! t0__3t0	! b_e_shift	! r__r_8t0
   2009  1.1  mrg LSYM(x193)	t0__8a0		! t0__3t0	! b_e_t0	! t0__8t0_a0
   2010  1.1  mrg LSYM(x194)	t0__8a0		! t0__3t0	! b_e_2t0	! t0__4t0_a0
   2011  1.1  mrg LSYM(x195)	t0__8a0		! t0__8t0_a0	! b_e_t0	! t0__3t0
   2012  1.1  mrg LSYM(x196)	t0__8a0		! t0__3t0	! b_e_4t0	! t0__2t0_a0
   2013  1.1  mrg LSYM(x197)	t0__8a0		! t0__3t0	! b_e_4t0a0	! t0__2t0_a0
   2014  1.1  mrg LSYM(x198)	t0__64a0	! t0__t0_2a0	! b_e_t0	! t0__3t0
   2015  1.1  mrg LSYM(x199)	t0__8a0		! t0__4t0_a0	! b_e_2t0a0	! t0__3t0
   2016  1.1  mrg LSYM(x200)	t0__5a0		! t0__5t0	! b_e_shift	! r__r_8t0
   2017  1.1  mrg LSYM(x201)	t0__5a0		! t0__5t0	! b_e_t0	! t0__8t0_a0
   2018  1.1  mrg LSYM(x202)	t0__5a0		! t0__5t0	! b_e_2t0	! t0__4t0_a0
   2019  1.1  mrg LSYM(x203)	t0__5a0		! t0__5t0	! b_e_2t0a0	! t0__4t0_a0
   2020  1.1  mrg LSYM(x204)	t0__8a0		! t0__2t0_a0	! b_e_4t0	! t0__3t0
   2021  1.1  mrg LSYM(x205)	t0__5a0		! t0__8t0_a0	! b_e_t0	! t0__5t0
   2022  1.1  mrg LSYM(x206)	t0__64a0	! t0__t0_4a0	! b_e_t02a0	! t0__3t0
   2023  1.1  mrg LSYM(x207)	t0__8a0		! t0__2t0_a0	! b_e_3t0	! t0__4t0_a0
   2024  1.1  mrg LSYM(x208)	t0__5a0		! t0__5t0	! b_e_8t0	! t0__t0_a0
   2025  1.1  mrg LSYM(x209)	t0__5a0		! t0__5t0	! b_e_8t0a0	! t0__t0_a0
   2026  1.1  mrg LSYM(x210)	t0__5a0		! t0__4t0_a0	! b_e_2t0	! t0__5t0
   2027  1.1  mrg LSYM(x211)	t0__5a0		! t0__4t0_a0	! b_e_2t0a0	! t0__5t0
   2028  1.1  mrg LSYM(x212)	t0__3a0		! t0__4t0_a0	! b_e_4t0	! t0__4t0_a0
   2029  1.1  mrg LSYM(x213)	t0__3a0		! t0__4t0_a0	! b_e_4t0a0	! t0__4t0_a0
   2030  1.1  mrg LSYM(x214)	t0__9a0		! t0__t0_4a0	! b_e_2t04a0	! t0__8t0_a0
   2031  1.1  mrg LSYM(x215)	t0__5a0		! t0__4t0_a0	! b_e_5t0	! t0__2t0_a0
   2032  1.1  mrg LSYM(x216)	t0__9a0		! t0__3t0	! b_e_shift	! r__r_8t0
   2033  1.1  mrg LSYM(x217)	t0__9a0		! t0__3t0	! b_e_t0	! t0__8t0_a0
   2034  1.1  mrg LSYM(x218)	t0__9a0		! t0__3t0	! b_e_2t0	! t0__4t0_a0
   2035  1.1  mrg LSYM(x219)	t0__9a0		! t0__8t0_a0	! b_e_t0	! t0__3t0
   2036  1.1  mrg LSYM(x220)	t0__3a0		! t0__9t0	! b_e_4t0	! t0__2t0_a0
   2037  1.1  mrg LSYM(x221)	t0__3a0		! t0__9t0	! b_e_4t0a0	! t0__2t0_a0
   2038  1.1  mrg LSYM(x222)	t0__9a0		! t0__4t0_a0	! b_e_2t0	! t0__3t0
   2039  1.1  mrg LSYM(x223)	t0__9a0		! t0__4t0_a0	! b_e_2t0a0	! t0__3t0
   2040  1.1  mrg LSYM(x224)	t0__9a0		! t0__3t0	! b_e_8t0	! t0__t0_a0
   2041  1.1  mrg LSYM(x225)	t0__9a0		! t0__5t0	! b_e_t0	! t0__5t0
   2042  1.1  mrg LSYM(x226)	t0__3a0		! t0__2t0_a0	! b_e_t02a0	! t0__32t0
   2043  1.1  mrg LSYM(x227)	t0__9a0		! t0__5t0	! b_e_t02a0	! t0__5t0
   2044  1.1  mrg LSYM(x228)	t0__9a0		! t0__2t0_a0	! b_e_4t0	! t0__3t0
   2045  1.1  mrg LSYM(x229)	t0__9a0		! t0__2t0_a0	! b_e_4t0a0	! t0__3t0
   2046  1.1  mrg LSYM(x230)	t0__9a0		! t0__5t0	! b_e_5t0	! t0__t0_a0
   2047  1.1  mrg LSYM(x231)	t0__9a0		! t0__2t0_a0	! b_e_3t0	! t0__4t0_a0
   2048  1.1  mrg LSYM(x232)	t0__3a0		! t0__2t0_a0	! b_e_8t0	! t0__4t0_a0
   2049  1.1  mrg LSYM(x233)	t0__3a0		! t0__2t0_a0	! b_e_8t0a0	! t0__4t0_a0
   2050  1.1  mrg LSYM(x234)	t0__3a0		! t0__4t0_a0	! b_e_2t0	! t0__9t0
   2051  1.1  mrg LSYM(x235)	t0__3a0		! t0__4t0_a0	! b_e_2t0a0	! t0__9t0
   2052  1.1  mrg LSYM(x236)	t0__9a0		! t0__2t0_a0	! b_e_4t08a0	! t0__3t0
   2053  1.1  mrg LSYM(x237)	t0__16a0	! t0__5t0	! b_e_3t0	! t0__t0ma0
   2054  1.1  mrg LSYM(x238)	t0__3a0		! t0__4t0_a0	! b_e_2t04a0	! t0__9t0
   2055  1.1  mrg LSYM(x239)	t0__16a0	! t0__5t0	! b_e_t0ma0	! t0__3t0
   2056  1.1  mrg LSYM(x240)	t0__9a0		! t0__t0_a0	! b_e_8t0	! t0__3t0
   2057  1.1  mrg LSYM(x241)	t0__9a0		! t0__t0_a0	! b_e_8t0a0	! t0__3t0
   2058  1.1  mrg LSYM(x242)	t0__5a0		! t0__3t0	! b_e_2t0	! t0__8t0_a0
   2059  1.1  mrg LSYM(x243)	t0__9a0		! t0__9t0	! b_e_t0	! t0__3t0
   2060  1.1  mrg LSYM(x244)	t0__5a0		! t0__3t0	! b_e_4t0	! t0__4t0_a0
   2061  1.1  mrg LSYM(x245)	t0__8a0		! t0__3t0	! b_e_5t0	! t0__2t0_a0
   2062  1.1  mrg LSYM(x246)	t0__5a0		! t0__8t0_a0	! b_e_2t0	! t0__3t0
   2063  1.1  mrg LSYM(x247)	t0__5a0		! t0__8t0_a0	! b_e_2t0a0	! t0__3t0
   2064  1.1  mrg LSYM(x248)	t0__32a0	! t0__t0ma0	! b_e_shift	! r__r_8t0
   2065  1.1  mrg LSYM(x249)	t0__32a0	! t0__t0ma0	! b_e_t0	! t0__8t0_a0
   2066  1.1  mrg LSYM(x250)	t0__5a0		! t0__5t0	! b_e_2t0	! t0__5t0
   2067  1.1  mrg LSYM(x251)	t0__5a0		! t0__5t0	! b_e_2t0a0	! t0__5t0
   2068  1.1  mrg LSYM(x252)	t0__64a0	! t0__t0ma0	! b_e_shift	! r__r_4t0
   2069  1.1  mrg LSYM(x253)	t0__64a0	! t0__t0ma0	! b_e_t0	! t0__4t0_a0
   2070  1.1  mrg LSYM(x254)	t0__128a0	! t0__t0ma0	! b_e_shift	! r__r_2t0
   2071  1.1  mrg LSYM(x255)	t0__256a0	! a1_ne_0_b_l0	! t0__t0ma0	! b_n_ret_t0
   2072  1.1  mrg /*1040 insts before this.  */
   2073  1.1  mrg LSYM(ret_t0)	MILLIRET
   2074  1.1  mrg LSYM(e_t0)	r__r_t0
   2075  1.1  mrg LSYM(e_shift)	a1_ne_0_b_l2
   2076  1.1  mrg 	a0__256a0	/* a0 <<= 8 *********** */
   2077  1.1  mrg 	MILLIRETN
   2078  1.1  mrg LSYM(e_t0ma0)	a1_ne_0_b_l0
   2079  1.1  mrg 	t0__t0ma0
   2080  1.1  mrg 	MILLIRET
   2081  1.1  mrg 	r__r_t0
   2082  1.1  mrg LSYM(e_t0a0)	a1_ne_0_b_l0
   2083  1.1  mrg 	t0__t0_a0
   2084  1.1  mrg 	MILLIRET
   2085  1.1  mrg 	r__r_t0
   2086  1.1  mrg LSYM(e_t02a0)	a1_ne_0_b_l0
   2087  1.1  mrg 	t0__t0_2a0
   2088  1.1  mrg 	MILLIRET
   2089  1.1  mrg 	r__r_t0
   2090  1.1  mrg LSYM(e_t04a0)	a1_ne_0_b_l0
   2091  1.1  mrg 	t0__t0_4a0
   2092  1.1  mrg 	MILLIRET
   2093  1.1  mrg 	r__r_t0
   2094  1.1  mrg LSYM(e_2t0)	a1_ne_0_b_l1
   2095  1.1  mrg 	r__r_2t0
   2096  1.1  mrg 	MILLIRETN
   2097  1.1  mrg LSYM(e_2t0a0)	a1_ne_0_b_l0
   2098  1.1  mrg 	t0__2t0_a0
   2099  1.1  mrg 	MILLIRET
   2100  1.1  mrg 	r__r_t0
   2101  1.1  mrg LSYM(e2t04a0)	t0__t0_2a0
   2102  1.1  mrg 	a1_ne_0_b_l1
   2103  1.1  mrg 	r__r_2t0
   2104  1.1  mrg 	MILLIRETN
   2105  1.1  mrg LSYM(e_3t0)	a1_ne_0_b_l0
   2106  1.1  mrg 	t0__3t0
   2107  1.1  mrg 	MILLIRET
   2108  1.1  mrg 	r__r_t0
   2109  1.1  mrg LSYM(e_4t0)	a1_ne_0_b_l1
   2110  1.1  mrg 	r__r_4t0
   2111  1.1  mrg 	MILLIRETN
   2112  1.1  mrg LSYM(e_4t0a0)	a1_ne_0_b_l0
   2113  1.1  mrg 	t0__4t0_a0
   2114  1.1  mrg 	MILLIRET
   2115  1.1  mrg 	r__r_t0
   2116  1.1  mrg LSYM(e4t08a0)	t0__t0_2a0
   2117  1.1  mrg 	a1_ne_0_b_l1
   2118  1.1  mrg 	r__r_4t0
   2119  1.1  mrg 	MILLIRETN
   2120  1.1  mrg LSYM(e_5t0)	a1_ne_0_b_l0
   2121  1.1  mrg 	t0__5t0
   2122  1.1  mrg 	MILLIRET
   2123  1.1  mrg 	r__r_t0
   2124  1.1  mrg LSYM(e_8t0)	a1_ne_0_b_l1
   2125  1.1  mrg 	r__r_8t0
   2126  1.1  mrg 	MILLIRETN
   2127  1.1  mrg LSYM(e_8t0a0)	a1_ne_0_b_l0
   2128  1.1  mrg 	t0__8t0_a0
   2129  1.1  mrg 	MILLIRET
   2130  1.1  mrg 	r__r_t0
   2131  1.1  mrg 
   2132  1.1  mrg 	.procend
   2133  1.1  mrg 	.end
   2134  1.1  mrg #endif
   2135