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vax.md revision 1.11
      1   1.1  mrg ;; Machine description for GNU compiler, VAX Version
      2  1.11  mrg ;; Copyright (C) 1987-2020 Free Software Foundation, Inc.
      3   1.1  mrg 
      4   1.1  mrg ;; This file is part of GCC.
      5   1.1  mrg 
      6   1.1  mrg ;; GCC is free software; you can redistribute it and/or modify
      7   1.1  mrg ;; it under the terms of the GNU General Public License as published by
      8   1.1  mrg ;; the Free Software Foundation; either version 3, or (at your option)
      9   1.1  mrg ;; any later version.
     10   1.1  mrg 
     11   1.1  mrg ;; GCC is distributed in the hope that it will be useful,
     12   1.1  mrg ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
     13   1.1  mrg ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14   1.1  mrg ;; GNU General Public License for more details.
     15   1.1  mrg 
     16   1.1  mrg ;; You should have received a copy of the GNU General Public License
     17   1.1  mrg ;; along with GCC; see the file COPYING3.  If not see
     18   1.1  mrg ;; <http://www.gnu.org/licenses/>.
     19   1.1  mrg 
     20   1.1  mrg 
     21   1.1  mrg ;;- Instruction patterns.  When multiple patterns apply,
     22   1.1  mrg ;;- the first one in the file is chosen.
     23   1.1  mrg ;;-
     24   1.1  mrg ;;- See file "rtl.def" for documentation on define_insn, match_*, et al.
     25   1.1  mrg ;;-
     26   1.1  mrg ;;- cpp macro #define NOTICE_UPDATE_CC in file tm.h handles condition code
     27   1.1  mrg ;;- updates for most instructions.
     28   1.1  mrg 
     29   1.1  mrg ;; UNSPEC_VOLATILE usage:
     30   1.1  mrg 
     31   1.3  mrg (define_c_enum "unspecv" [
     32   1.3  mrg   VUNSPEC_BLOCKAGE 	    ; 'blockage' insn to prevent scheduling across an
     33   1.3  mrg 			    ; insn in the code.
     34   1.3  mrg   VUNSPEC_SYNC_ISTREAM      ; sequence of insns to sync the I-stream
     35   1.3  mrg   VUNSPEC_PEM		    ; 'procedure_entry_mask' insn.
     36   1.3  mrg ])
     37   1.3  mrg 
     38   1.1  mrg (define_constants
     39   1.3  mrg   [(VAX_AP_REGNUM 12)	    ; Register 12 contains the argument pointer
     40   1.1  mrg    (VAX_FP_REGNUM 13)	    ; Register 13 contains the frame pointer
     41   1.1  mrg    (VAX_SP_REGNUM 14)	    ; Register 14 contains the stack pointer
     42   1.1  mrg    (VAX_PC_REGNUM 15)	    ; Register 15 contains the program counter
     43   1.3  mrg    (VAX_PSW_REGNUM 16)	    ; Program Status Word
     44   1.1  mrg   ]
     45   1.1  mrg )
     46   1.1  mrg 
     47   1.1  mrg ;; Integer modes supported on VAX, with a mapping from machine mode
     48   1.1  mrg ;; to mnemonic suffix.  DImode is always a special case.
     49   1.1  mrg (define_mode_iterator VAXint [QI HI SI])
     50   1.1  mrg (define_mode_iterator VAXintQH [QI HI])
     51   1.1  mrg (define_mode_iterator VAXintQHSD [QI HI SI DI])
     52   1.1  mrg (define_mode_attr  isfx [(QI "b") (HI "w") (SI "l") (DI "q")])
     53   1.1  mrg 
     54   1.1  mrg ;; Similar for float modes supported on VAX.
     55   1.1  mrg (define_mode_iterator VAXfp [SF DF])
     56   1.1  mrg (define_mode_attr  fsfx [(SF "f") (DF "%#")])
     57   1.1  mrg 
     58   1.1  mrg ;; Some output patterns want integer immediates with a prefix...
     59   1.1  mrg (define_mode_attr  iprefx [(QI "B") (HI "H") (SI "N")])
     60   1.1  mrg 
     61   1.1  mrg ;;
     62   1.1  mrg (include "constraints.md")
     63   1.1  mrg (include "predicates.md")
     64   1.1  mrg 
     65   1.1  mrg (define_insn "*cmp<mode>"
     66   1.1  mrg   [(set (cc0)
     67   1.1  mrg 	(compare (match_operand:VAXint 0 "nonimmediate_operand" "nrmT,nrmT")
     68   1.1  mrg 		 (match_operand:VAXint 1 "general_operand" "I,nrmT")))]
     69   1.1  mrg   ""
     70   1.1  mrg   "@
     71   1.1  mrg    tst<VAXint:isfx> %0
     72   1.1  mrg    cmp<VAXint:isfx> %0,%1")
     73   1.1  mrg 
     74   1.1  mrg (define_insn "*cmp<mode>"
     75   1.1  mrg   [(set (cc0)
     76   1.1  mrg 	(compare (match_operand:VAXfp 0 "general_operand" "gF,gF")
     77   1.1  mrg 		 (match_operand:VAXfp 1 "general_operand" "G,gF")))]
     78   1.1  mrg   ""
     79   1.1  mrg   "@
     80   1.1  mrg    tst<VAXfp:fsfx> %0
     81   1.1  mrg    cmp<VAXfp:fsfx> %0,%1")
     82   1.1  mrg 
     83   1.1  mrg (define_insn "*bit<mode>"
     84   1.1  mrg   [(set (cc0)
     85   1.1  mrg 	(compare (and:VAXint (match_operand:VAXint 0 "general_operand" "nrmT")
     86   1.1  mrg 			     (match_operand:VAXint 1 "general_operand" "nrmT"))
     87   1.1  mrg 		 (const_int 0)))]
     88   1.1  mrg   ""
     89   1.1  mrg   "bit<VAXint:isfx> %0,%1")
     90   1.1  mrg 
     91   1.1  mrg ;; The VAX has no sCOND insns.  It does have add/subtract with carry
     92   1.1  mrg ;; which could be used to implement the sltu and sgeu patterns.  However,
     93   1.1  mrg ;; to do this properly requires a complete rewrite of the compare insns
     94   1.1  mrg ;; to keep them together with the sltu/sgeu insns until after the
     95   1.1  mrg ;; reload pass is complete.  The previous implementation didn't do this
     96   1.1  mrg ;; and has been deleted.
     97   1.1  mrg 
     98   1.1  mrg 
    100   1.1  mrg (define_insn "mov<mode>"
    101   1.1  mrg   [(set (match_operand:VAXfp 0 "nonimmediate_operand" "=g,g")
    102   1.1  mrg 	(match_operand:VAXfp 1 "general_operand" "G,gF"))]
    103   1.1  mrg   ""
    104   1.1  mrg   "@
    105   1.1  mrg    clr<VAXfp:fsfx> %0
    106   1.1  mrg    mov<VAXfp:fsfx> %1,%0")
    107   1.1  mrg 
    108   1.1  mrg ;; Some VAXen don't support this instruction.
    109   1.1  mrg ;;(define_insn "movti"
    110   1.1  mrg ;;  [(set (match_operand:TI 0 "general_operand" "=g")
    111   1.1  mrg ;;	(match_operand:TI 1 "general_operand" "g"))]
    112   1.1  mrg ;;  ""
    113   1.1  mrg ;;  "movh %1,%0")
    114   1.1  mrg 
    115   1.1  mrg (define_insn "movdi"
    116   1.1  mrg   [(set (match_operand:DI 0 "nonimmediate_operand" "=g")
    117   1.1  mrg 	(match_operand:DI 1 "general_operand" "g"))]
    118   1.1  mrg   ""
    119   1.1  mrg   "* return vax_output_int_move (insn, operands, DImode);")
    120   1.1  mrg 
    121   1.1  mrg ;; The VAX move instructions have space-time tradeoffs.  On a MicroVAX
    122   1.1  mrg ;; register-register mov instructions take 3 bytes and 2 CPU cycles.  clrl
    123   1.1  mrg ;; takes 2 bytes and 3 cycles.  mov from constant to register takes 2 cycles
    124   1.1  mrg ;; if the constant is smaller than 4 bytes, 3 cycles for a longword
    125   1.1  mrg ;; constant.  movz, mneg, and mcom are as fast as mov, so movzwl is faster
    126   1.1  mrg ;; than movl for positive constants that fit in 16 bits but not 6 bits.  cvt
    127   1.1  mrg ;; instructions take 4 cycles.  inc takes 3 cycles.  The machine description
    128   1.1  mrg ;; is willing to trade 1 byte for 1 cycle (clrl instead of movl $0; cvtwl
    129   1.1  mrg ;; instead of movl).
    130   1.1  mrg 
    131   1.1  mrg ;; Cycle counts for other models may vary (on a VAX 750 they are similar,
    132   1.1  mrg ;; but on a VAX 9000 most move and add instructions with one constant
    133   1.1  mrg ;; operand take 1 cycle).
    134   1.1  mrg 
    135   1.1  mrg ;;  Loads of constants between 64 and 128 used to be done with
    136   1.1  mrg ;; "addl3 $63,#,dst" but this is slower than movzbl and takes as much space.
    137   1.1  mrg 
    138   1.1  mrg (define_expand "movsi"
    139   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "")
    140   1.1  mrg 	(match_operand:SI 1 "general_operand" ""))]
    141   1.1  mrg   ""
    142   1.1  mrg   "
    143   1.1  mrg {
    144   1.1  mrg #ifdef NO_EXTERNAL_INDIRECT_ADDRESS
    145   1.1  mrg   if (flag_pic
    146   1.1  mrg       && GET_CODE (operands[1]) == CONST
    147   1.1  mrg       && GET_CODE (XEXP (XEXP (operands[1], 0), 0)) == SYMBOL_REF
    148   1.1  mrg       && !SYMBOL_REF_LOCAL_P (XEXP (XEXP (operands[1], 0), 0)))
    149   1.1  mrg     {
    150   1.1  mrg       rtx symbol_ref = XEXP (XEXP (operands[1], 0), 0);
    151   1.1  mrg       rtx const_int = XEXP (XEXP (operands[1], 0), 1);
    152   1.1  mrg       rtx temp = reload_in_progress ? operands[0] : gen_reg_rtx (Pmode);
    153   1.1  mrg       emit_move_insn (temp, symbol_ref);
    154   1.1  mrg       emit_move_insn (operands[0], gen_rtx_PLUS (SImode, temp, const_int));
    155   1.1  mrg       DONE;
    156   1.1  mrg     }
    157   1.1  mrg #endif
    158   1.1  mrg }")
    159   1.1  mrg 
    160   1.1  mrg (define_insn "movsi_2"
    161   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    162   1.1  mrg 	(match_operand:SI 1 "nonsymbolic_operand" "nrmT"))]
    163   1.1  mrg   ""
    164   1.1  mrg   "* return vax_output_int_move (insn, operands, SImode);")
    165   1.1  mrg 
    166   1.1  mrg (define_insn "mov<mode>"
    167   1.1  mrg   [(set (match_operand:VAXintQH 0 "nonimmediate_operand" "=g")
    168   1.1  mrg 	(match_operand:VAXintQH 1 "general_operand" "g"))]
    169   1.1  mrg   ""
    170   1.1  mrg   "* return vax_output_int_move (insn, operands, <MODE>mode);")
    171   1.1  mrg 
    172   1.1  mrg (define_insn "movstricthi"
    173   1.1  mrg   [(set (strict_low_part (match_operand:HI 0 "register_operand" "+g"))
    174   1.1  mrg 	(match_operand:HI 1 "general_operand" "g"))]
    175   1.1  mrg   ""
    176   1.1  mrg   "*
    177   1.1  mrg {
    178   1.1  mrg   if (CONST_INT_P (operands[1]))
    179   1.1  mrg     {
    180   1.1  mrg       int i = INTVAL (operands[1]);
    181   1.1  mrg       if (i == 0)
    182   1.1  mrg 	return \"clrw %0\";
    183   1.1  mrg       else if ((unsigned int)i < 64)
    184   1.1  mrg 	return \"movw %1,%0\";
    185   1.1  mrg       else if ((unsigned int)~i < 64)
    186   1.1  mrg 	return \"mcomw %H1,%0\";
    187   1.1  mrg       else if ((unsigned int)i < 256)
    188   1.1  mrg 	return \"movzbw %1,%0\";
    189   1.1  mrg     }
    190   1.1  mrg   return \"movw %1,%0\";
    191   1.1  mrg }")
    192   1.1  mrg 
    193   1.1  mrg (define_insn "movstrictqi"
    194   1.1  mrg   [(set (strict_low_part (match_operand:QI 0 "register_operand" "+g"))
    195   1.1  mrg 	(match_operand:QI 1 "general_operand" "g"))]
    196   1.1  mrg   ""
    197   1.1  mrg   "*
    198   1.1  mrg {
    199   1.1  mrg   if (CONST_INT_P (operands[1]))
    200   1.1  mrg     {
    201   1.1  mrg       int i = INTVAL (operands[1]);
    202   1.1  mrg       if (i == 0)
    203   1.1  mrg 	return \"clrb %0\";
    204   1.1  mrg       else if ((unsigned int)~i < 64)
    205   1.1  mrg 	return \"mcomb %B1,%0\";
    206   1.1  mrg     }
    207   1.1  mrg   return \"movb %1,%0\";
    208   1.1  mrg }")
    209   1.1  mrg 
    210  1.11  mrg ;; This is here to accept 4 arguments and pass the first 3 along
    211  1.11  mrg ;; to the cpymemhi1 pattern that really does the work.
    212   1.1  mrg (define_expand "cpymemhi"
    213   1.1  mrg   [(set (match_operand:BLK 0 "general_operand" "=g")
    214   1.1  mrg 	(match_operand:BLK 1 "general_operand" "g"))
    215   1.1  mrg    (use (match_operand:HI 2 "general_operand" "g"))
    216   1.1  mrg    (match_operand 3 "" "")]
    217   1.1  mrg   ""
    218   1.1  mrg   "
    219  1.11  mrg {
    220   1.1  mrg #if 0
    221   1.1  mrg   if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) <= 48)
    222  1.11  mrg     {
    223   1.1  mrg       emit_insn (gen_cpymemsi1_2 (operands[0], operands[1], operands[2]));
    224   1.1  mrg       DONE;
    225  1.11  mrg     }
    226  1.11  mrg #endif
    227   1.1  mrg   emit_insn (gen_cpymemhi1 (operands[0], operands[1], operands[2]));
    228   1.1  mrg   DONE;
    229   1.1  mrg }")
    230  1.11  mrg 
    231  1.11  mrg ;;(define_insn "cpymemsi1_2"
    232  1.11  mrg ;;  [(set (match_operand:BLK 0 "memory_operand" "=B")
    233  1.11  mrg ;;	(match_operand:BLK 1 "memory_operand" "B"))
    234  1.11  mrg ;;   (use (match_operand:SI 2 "const_int_operand" "g"))]
    235  1.11  mrg ;;  "INTVAL (operands[2]) <= 48"
    236  1.11  mrg ;;  "* return vax_output_cpymemsi (insn, operands);")
    237   1.1  mrg 
    238   1.1  mrg ;; The definition of this insn does not really explain what it does,
    239   1.1  mrg ;; but it should suffice
    240   1.1  mrg ;; that anything generated as this insn will be recognized as one
    241   1.1  mrg ;; and that it won't successfully combine with anything.
    242  1.11  mrg 
    243   1.1  mrg (define_insn "cpymemhi1"
    244   1.1  mrg   [(set (match_operand:BLK 0 "memory_operand" "=o")
    245   1.1  mrg 	(match_operand:BLK 1 "memory_operand" "o"))
    246   1.1  mrg    (use (match_operand:HI 2 "general_operand" "g"))
    247   1.1  mrg    (clobber (reg:SI 0))
    248   1.1  mrg    (clobber (reg:SI 1))
    249   1.1  mrg    (clobber (reg:SI 2))
    250   1.1  mrg    (clobber (reg:SI 3))
    251   1.1  mrg    (clobber (reg:SI 4))
    252   1.1  mrg    (clobber (reg:SI 5))]
    253   1.1  mrg   ""
    254   1.1  mrg   "movc3 %2,%1,%0")
    255   1.1  mrg 
    257   1.1  mrg ;; Extension and truncation insns.
    258   1.1  mrg 
    259   1.1  mrg (define_insn "truncsiqi2"
    260   1.1  mrg   [(set (match_operand:QI 0 "nonimmediate_operand" "=g")
    261   1.1  mrg 	(truncate:QI (match_operand:SI 1 "nonimmediate_operand" "nrmT")))]
    262   1.1  mrg   ""
    263   1.1  mrg   "cvtlb %1,%0")
    264   1.1  mrg 
    265   1.1  mrg (define_insn "truncsihi2"
    266   1.1  mrg   [(set (match_operand:HI 0 "nonimmediate_operand" "=g")
    267   1.1  mrg 	(truncate:HI (match_operand:SI 1 "nonimmediate_operand" "nrmT")))]
    268   1.1  mrg   ""
    269   1.1  mrg   "cvtlw %1,%0")
    270   1.1  mrg 
    271   1.1  mrg (define_insn "trunchiqi2"
    272   1.1  mrg   [(set (match_operand:QI 0 "nonimmediate_operand" "=g")
    273   1.1  mrg 	(truncate:QI (match_operand:HI 1 "nonimmediate_operand" "g")))]
    274   1.1  mrg   ""
    275   1.1  mrg   "cvtwb %1,%0")
    276   1.1  mrg 
    277   1.1  mrg (define_insn "extendhisi2"
    278   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    279   1.1  mrg 	(sign_extend:SI (match_operand:HI 1 "nonimmediate_operand" "g")))]
    280   1.1  mrg   ""
    281   1.1  mrg   "cvtwl %1,%0")
    282   1.1  mrg 
    283   1.1  mrg (define_insn "extendqihi2"
    284   1.1  mrg   [(set (match_operand:HI 0 "nonimmediate_operand" "=g")
    285   1.1  mrg 	(sign_extend:HI (match_operand:QI 1 "nonimmediate_operand" "g")))]
    286   1.1  mrg   ""
    287   1.1  mrg   "cvtbw %1,%0")
    288   1.1  mrg 
    289   1.1  mrg (define_insn "extendqisi2"
    290   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    291   1.1  mrg 	(sign_extend:SI (match_operand:QI 1 "nonimmediate_operand" "g")))]
    292   1.1  mrg   ""
    293   1.1  mrg   "cvtbl %1,%0")
    294   1.1  mrg 
    295   1.1  mrg (define_insn "extendsfdf2"
    296   1.1  mrg   [(set (match_operand:DF 0 "nonimmediate_operand" "=g")
    297   1.1  mrg 	(float_extend:DF (match_operand:SF 1 "general_operand" "gF")))]
    298   1.1  mrg   ""
    299   1.1  mrg   "cvtf%# %1,%0")
    300   1.1  mrg 
    301   1.1  mrg (define_insn "truncdfsf2"
    302   1.1  mrg   [(set (match_operand:SF 0 "nonimmediate_operand" "=g")
    303   1.1  mrg 	(float_truncate:SF (match_operand:DF 1 "general_operand" "gF")))]
    304   1.1  mrg   ""
    305   1.1  mrg   "cvt%#f %1,%0")
    306   1.1  mrg 
    307   1.1  mrg (define_insn "zero_extendhisi2"
    308   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    309   1.1  mrg 	(zero_extend:SI (match_operand:HI 1 "nonimmediate_operand" "g")))]
    310   1.1  mrg   ""
    311   1.1  mrg   "movzwl %1,%0")
    312   1.1  mrg 
    313   1.1  mrg (define_insn "zero_extendqihi2"
    314   1.1  mrg   [(set (match_operand:HI 0 "nonimmediate_operand" "=g")
    315   1.1  mrg 	(zero_extend:HI (match_operand:QI 1 "nonimmediate_operand" "g")))]
    316   1.1  mrg   ""
    317   1.1  mrg   "movzbw %1,%0")
    318   1.1  mrg 
    319   1.1  mrg (define_insn "zero_extendqisi2"
    320   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    321   1.1  mrg 	(zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "g")))]
    322   1.1  mrg   ""
    323   1.1  mrg   "movzbl %1,%0")
    324   1.1  mrg 
    326   1.1  mrg ;; Fix-to-float conversion insns.
    327   1.1  mrg 
    328   1.1  mrg (define_insn "float<VAXint:mode><VAXfp:mode>2"
    329   1.1  mrg   [(set (match_operand:VAXfp 0 "nonimmediate_operand" "=g")
    330   1.1  mrg 	(float:VAXfp (match_operand:VAXint 1 "nonimmediate_operand" "g")))]
    331   1.1  mrg   ""
    332   1.1  mrg   "cvt<VAXint:isfx><VAXfp:fsfx> %1,%0")
    333   1.1  mrg 
    334   1.1  mrg ;; Float-to-fix conversion insns.
    335   1.3  mrg 
    336   1.1  mrg (define_insn "fix_trunc<VAXfp:mode><VAXint:mode>2"
    337   1.1  mrg   [(set (match_operand:VAXint 0 "nonimmediate_operand" "=g")
    338   1.3  mrg 	(fix:VAXint (match_operand:VAXfp 1 "general_operand" "gF")))]
    339   1.3  mrg   ""
    340   1.3  mrg   "cvt<VAXfp:fsfx><VAXint:isfx> %1,%0")
    341   1.3  mrg 
    342   1.3  mrg (define_expand "fixuns_trunc<VAXfp:mode><VAXint:mode>2"
    343   1.1  mrg   [(set (match_operand:VAXint 0 "nonimmediate_operand" "")
    344   1.1  mrg 	(fix:VAXint (match_operand:VAXfp 1 "general_operand")))]
    345   1.1  mrg   "")
    346   1.1  mrg 
    348   1.1  mrg ;;- All kinds of add instructions.
    349   1.1  mrg 
    350   1.1  mrg (define_insn "add<mode>3"
    351   1.1  mrg   [(set (match_operand:VAXfp 0 "nonimmediate_operand" "=g,g,g")
    352   1.1  mrg 	(plus:VAXfp (match_operand:VAXfp 1 "general_operand" "0,gF,gF")
    353   1.1  mrg 		    (match_operand:VAXfp 2 "general_operand" "gF,0,gF")))]
    354   1.1  mrg   ""
    355   1.1  mrg   "@
    356   1.1  mrg    add<VAXfp:fsfx>2 %2,%0
    357   1.1  mrg    add<VAXfp:fsfx>2 %1,%0
    358   1.1  mrg    add<VAXfp:fsfx>3 %1,%2,%0")
    359   1.1  mrg 
    360   1.1  mrg (define_insn "pushlclsymreg"
    361   1.1  mrg   [(set (match_operand:SI 0 "push_operand" "=g")
    362   1.1  mrg 	(plus:SI (match_operand:SI 1 "register_operand" "%r")
    363   1.1  mrg 		 (match_operand:SI 2 "local_symbolic_operand" "i")))]
    364   1.1  mrg   "flag_pic"
    365   1.1  mrg   "pushab %a2[%1]")
    366   1.1  mrg 
    367   1.1  mrg (define_insn "pushextsymreg"
    368   1.1  mrg   [(set (match_operand:SI 0 "push_operand" "=g")
    369   1.1  mrg 	(plus:SI (match_operand:SI 1 "register_operand" "%r")
    370   1.1  mrg 		 (match_operand:SI 2 "external_symbolic_operand" "i")))]
    371   1.1  mrg   "flag_pic"
    372   1.1  mrg   "pushab %a2[%1]")
    373   1.1  mrg 
    374   1.1  mrg (define_insn "movlclsymreg"
    375   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    376   1.1  mrg 	(plus:SI (match_operand:SI 1 "register_operand" "%r")
    377   1.1  mrg 		 (match_operand:SI 2 "local_symbolic_operand" "i")))]
    378   1.1  mrg   "flag_pic"
    379   1.1  mrg   "movab %a2[%1],%0")
    380   1.1  mrg 
    381   1.1  mrg (define_insn "movextsymreg"
    382   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    383   1.1  mrg 	(plus:SI (match_operand:SI 1 "register_operand" "%r")
    384   1.1  mrg 		 (match_operand:SI 2 "external_symbolic_operand" "i")))]
    385   1.1  mrg   "flag_pic"
    386   1.1  mrg   "movab %a2[%1],%0")
    387   1.3  mrg 
    388   1.1  mrg (define_insn "add<mode>3"
    389   1.1  mrg   [(set (match_operand:VAXint 0 "nonimmediate_operand" "=g")
    390   1.1  mrg 	(plus:VAXint (match_operand:VAXint 1 "general_operand" "nrmT")
    391   1.1  mrg 		     (match_operand:VAXint 2 "general_operand" "nrmT")))]
    392   1.1  mrg   ""
    393   1.1  mrg   "* return vax_output_int_add (insn, operands, <MODE>mode);")
    394   1.1  mrg 
    395   1.1  mrg (define_expand "adddi3"
    396   1.1  mrg   [(set (match_operand:DI 0 "nonimmediate_operand" "=g")
    397   1.1  mrg 	(plus:DI (match_operand:DI 1 "general_operand" "g")
    398   1.1  mrg 		 (match_operand:DI 2 "general_operand" "g")))]
    399   1.1  mrg   "!reload_in_progress"
    400   1.1  mrg   "vax_expand_addsub_di_operands (operands, PLUS); DONE;")
    401   1.1  mrg 
    402   1.1  mrg (define_insn "adcdi3"
    403   1.1  mrg   [(set (match_operand:DI 0 "nonimmediate_addsub_di_operand" "=Rr")
    404   1.1  mrg 	(plus:DI (match_operand:DI 1 "general_addsub_di_operand" "%0")
    405   1.1  mrg 		 (match_operand:DI 2 "general_addsub_di_operand" "nRr")))]
    406   1.1  mrg   "TARGET_QMATH"
    407   1.1  mrg   "* return vax_output_int_add (insn, operands, DImode);")
    408   1.1  mrg 
    409   1.1  mrg ;; The add-with-carry (adwc) instruction only accepts two operands.
    410   1.1  mrg (define_insn "adddi3_old"
    411   1.1  mrg   [(set (match_operand:DI 0 "nonimmediate_operand" "=ro>,ro>")
    412   1.1  mrg 	(plus:DI (match_operand:DI 1 "general_operand" "%0,ro>")
    413   1.1  mrg 		 (match_operand:DI 2 "general_operand" "Fsro,Fs")))]
    414   1.1  mrg   "!TARGET_QMATH"
    415   1.1  mrg   "* return vax_output_int_add (insn, operands, DImode);")
    416   1.1  mrg 
    418   1.1  mrg ;;- All kinds of subtract instructions.
    419   1.1  mrg 
    420   1.1  mrg (define_insn "sub<mode>3"
    421   1.1  mrg   [(set (match_operand:VAXfp 0 "nonimmediate_operand" "=g,g")
    422   1.1  mrg 	(minus:VAXfp (match_operand:VAXfp 1 "general_operand" "0,gF")
    423   1.1  mrg 		     (match_operand:VAXfp 2 "general_operand" "gF,gF")))]
    424   1.1  mrg   ""
    425   1.1  mrg   "@
    426   1.1  mrg    sub<VAXfp:fsfx>2 %2,%0
    427   1.3  mrg    sub<VAXfp:fsfx>3 %2,%1,%0")
    428   1.1  mrg 
    429   1.1  mrg (define_insn "sub<mode>3"
    430   1.1  mrg   [(set (match_operand:VAXint 0 "nonimmediate_operand" "=g,g")
    431   1.1  mrg 	(minus:VAXint (match_operand:VAXint 1 "general_operand" "0,nrmT")
    432   1.1  mrg 		      (match_operand:VAXint 2 "general_operand" "nrmT,nrmT")))]
    433   1.1  mrg   ""
    434   1.1  mrg   "@
    435   1.1  mrg    sub<VAXint:isfx>2 %2,%0
    436   1.1  mrg    sub<VAXint:isfx>3 %2,%1,%0")
    437   1.1  mrg 
    438   1.1  mrg (define_expand "subdi3"
    439   1.1  mrg   [(set (match_operand:DI 0 "nonimmediate_operand" "=g")
    440   1.1  mrg 	(minus:DI (match_operand:DI 1 "general_operand" "g")
    441   1.5  mrg 		  (match_operand:DI 2 "general_operand" "g")))]
    442   1.1  mrg   "!reload_in_progress"
    443   1.1  mrg   "vax_expand_addsub_di_operands (operands, MINUS); DONE;")
    444   1.1  mrg 
    445   1.1  mrg (define_insn "sbcdi3"
    446   1.1  mrg   [(set (match_operand:DI 0 "nonimmediate_addsub_di_operand" "=Rr,Rr")
    447   1.1  mrg 	(minus:DI (match_operand:DI 1 "general_addsub_di_operand" "0,I")
    448   1.1  mrg 		  (match_operand:DI 2 "general_addsub_di_operand" "nRr,Rr")))]
    449   1.1  mrg   "TARGET_QMATH"
    450   1.1  mrg   "* return vax_output_int_subtract (insn, operands, DImode);")
    451   1.1  mrg 
    452   1.1  mrg ;; The subtract-with-carry (sbwc) instruction only takes two operands.
    453   1.1  mrg (define_insn "subdi3_old"
    454   1.1  mrg   [(set (match_operand:DI 0 "nonimmediate_operand" "=or>,or>")
    455   1.1  mrg 	(minus:DI (match_operand:DI 1 "general_operand" "0,or>")
    456   1.1  mrg 		  (match_operand:DI 2 "general_operand" "Fsor,Fs")))]
    457   1.1  mrg   "!TARGET_QMATH"
    458   1.1  mrg   "* return vax_output_int_subtract (insn, operands, DImode);")
    459   1.1  mrg 
    461   1.1  mrg ;;- Multiply instructions.
    462   1.1  mrg 
    463   1.1  mrg (define_insn "mul<mode>3"
    464   1.1  mrg   [(set (match_operand:VAXfp 0 "nonimmediate_operand" "=g,g,g")
    465   1.1  mrg 	(mult:VAXfp (match_operand:VAXfp 1 "general_operand" "0,gF,gF")
    466   1.1  mrg 		    (match_operand:VAXfp 2 "general_operand" "gF,0,gF")))]
    467   1.1  mrg   ""
    468   1.1  mrg   "@
    469   1.1  mrg    mul<VAXfp:fsfx>2 %2,%0
    470   1.3  mrg    mul<VAXfp:fsfx>2 %1,%0
    471   1.1  mrg    mul<VAXfp:fsfx>3 %1,%2,%0")
    472   1.1  mrg 
    473   1.1  mrg (define_insn "mul<mode>3"
    474   1.1  mrg   [(set (match_operand:VAXint 0 "nonimmediate_operand" "=g,g,g")
    475   1.1  mrg 	(mult:VAXint (match_operand:VAXint 1 "general_operand" "0,nrmT,nrmT")
    476   1.1  mrg 		     (match_operand:VAXint 2 "general_operand" "nrmT,0,nrmT")))]
    477   1.1  mrg   ""
    478   1.1  mrg   "@
    479   1.1  mrg    mul<VAXint:isfx>2 %2,%0
    480   1.1  mrg    mul<VAXint:isfx>2 %1,%0
    481   1.1  mrg    mul<VAXint:isfx>3 %1,%2,%0")
    482   1.1  mrg 
    483   1.1  mrg (define_insn "mulsidi3"
    484   1.1  mrg   [(set (match_operand:DI 0 "nonimmediate_operand" "=g")
    485   1.1  mrg 	(mult:DI (sign_extend:DI
    486   1.1  mrg 		  (match_operand:SI 1 "nonimmediate_operand" "nrmT"))
    487   1.1  mrg 		 (sign_extend:DI
    488   1.1  mrg 		  (match_operand:SI 2 "nonimmediate_operand" "nrmT"))))]
    489   1.1  mrg   ""
    490   1.1  mrg   "emul %1,%2,$0,%0")
    491   1.1  mrg 
    492   1.1  mrg (define_insn ""
    493   1.1  mrg   [(set (match_operand:DI 0 "nonimmediate_operand" "=g")
    494   1.1  mrg 	(plus:DI
    495   1.1  mrg 	 (mult:DI (sign_extend:DI
    496   1.1  mrg 		   (match_operand:SI 1 "nonimmediate_operand" "nrmT"))
    497   1.1  mrg 		  (sign_extend:DI
    498   1.1  mrg 		   (match_operand:SI 2 "nonimmediate_operand" "nrmT")))
    499   1.1  mrg 	 (sign_extend:DI (match_operand:SI 3 "nonimmediate_operand" "g"))))]
    500   1.1  mrg   ""
    501   1.1  mrg   "emul %1,%2,%3,%0")
    502   1.1  mrg 
    503   1.1  mrg ;; 'F' constraint means type CONST_DOUBLE
    504   1.1  mrg (define_insn ""
    505   1.1  mrg   [(set (match_operand:DI 0 "nonimmediate_operand" "=g")
    506   1.1  mrg 	(plus:DI
    507   1.1  mrg 	 (mult:DI (sign_extend:DI
    508   1.1  mrg 		   (match_operand:SI 1 "nonimmediate_operand" "nrmT"))
    509   1.1  mrg 		  (sign_extend:DI
    510   1.1  mrg 		   (match_operand:SI 2 "nonimmediate_operand" "nrmT")))
    511   1.1  mrg 	 (match_operand:DI 3 "immediate_operand" "F")))]
    512   1.1  mrg   "GET_CODE (operands[3]) == CONST_DOUBLE
    513   1.1  mrg     && CONST_DOUBLE_HIGH (operands[3]) == (CONST_DOUBLE_LOW (operands[3]) >> 31)"
    514   1.1  mrg   "*
    515   1.1  mrg {
    516   1.1  mrg   if (CONST_DOUBLE_HIGH (operands[3]))
    517   1.1  mrg     operands[3] = GEN_INT (CONST_DOUBLE_LOW (operands[3]));
    518   1.1  mrg   return \"emul %1,%2,%3,%0\";
    519   1.1  mrg }")
    520   1.1  mrg 
    522   1.1  mrg ;;- Divide instructions.
    523   1.1  mrg 
    524   1.1  mrg (define_insn "div<mode>3"
    525   1.1  mrg   [(set (match_operand:VAXfp 0 "nonimmediate_operand" "=g,g")
    526   1.1  mrg 	(div:VAXfp (match_operand:VAXfp 1 "general_operand" "0,gF")
    527   1.1  mrg 		   (match_operand:VAXfp 2 "general_operand" "gF,gF")))]
    528   1.1  mrg   ""
    529   1.3  mrg   "@
    530   1.1  mrg    div<VAXfp:fsfx>2 %2,%0
    531   1.1  mrg    div<VAXfp:fsfx>3 %2,%1,%0")
    532   1.1  mrg 
    533   1.1  mrg (define_insn "div<mode>3"
    534   1.1  mrg   [(set (match_operand:VAXint 0 "nonimmediate_operand" "=g,g")
    535   1.1  mrg 	(div:VAXint (match_operand:VAXint 1 "general_operand" "0,nrmT")
    536   1.1  mrg 		    (match_operand:VAXint 2 "general_operand" "nrmT,nrmT")))]
    537   1.1  mrg   ""
    538   1.1  mrg   "@
    539   1.1  mrg    div<VAXint:isfx>2 %2,%0
    540   1.1  mrg    div<VAXint:isfx>3 %2,%1,%0")
    541   1.1  mrg 
    542   1.1  mrg ;This is left out because it is very slow;
    543   1.1  mrg ;we are better off programming around the "lack" of this insn.
    544   1.1  mrg ;(define_insn "divmoddisi4"
    545   1.1  mrg ;  [(set (match_operand:SI 0 "general_operand" "=g")
    546   1.1  mrg ;	(div:SI (match_operand:DI 1 "general_operand" "g")
    547   1.1  mrg ;		(match_operand:SI 2 "general_operand" "g")))
    548   1.1  mrg ;   (set (match_operand:SI 3 "general_operand" "=g")
    549   1.1  mrg ;	(mod:SI (match_operand:DI 1 "general_operand" "g")
    550   1.1  mrg ;		(match_operand:SI 2 "general_operand" "g")))]
    551   1.3  mrg ;  ""
    552   1.1  mrg ;  "ediv %2,%1,%0,%3")
    553   1.1  mrg 
    555   1.1  mrg ;; Bit-and on the VAX is done with a clear-bits insn.
    556   1.1  mrg (define_expand "and<mode>3"
    557   1.1  mrg   [(set (match_operand:VAXint 0 "nonimmediate_operand" "")
    558   1.1  mrg 	(and:VAXint (not:VAXint (match_operand:VAXint 1 "general_operand" ""))
    559   1.1  mrg 		    (match_operand:VAXint 2 "general_operand" "")))]
    560   1.1  mrg   ""
    561   1.1  mrg   "
    562   1.1  mrg {
    563   1.1  mrg   rtx op1 = operands[1];
    564   1.1  mrg 
    565   1.1  mrg   /* If there is a constant argument, complement that one.  */
    566   1.1  mrg   if (CONST_INT_P (operands[2]) && ! CONST_INT_P (op1))
    567   1.1  mrg     {
    568   1.1  mrg       operands[1] = operands[2];
    569   1.1  mrg       operands[2] = op1;
    570   1.1  mrg       op1 = operands[1];
    571   1.1  mrg     }
    572   1.1  mrg 
    573   1.1  mrg   if (CONST_INT_P (op1))
    574   1.1  mrg     operands[1] = GEN_INT (~INTVAL (op1));
    575   1.1  mrg   else
    576   1.1  mrg     operands[1] = expand_unop (<MODE>mode, one_cmpl_optab, op1, 0, 1);
    577   1.1  mrg }")
    578   1.1  mrg 
    579   1.1  mrg (define_insn "*and<mode>"
    580   1.1  mrg   [(set (match_operand:VAXint 0 "nonimmediate_operand" "=g,g")
    581   1.1  mrg 	(and:VAXint (not:VAXint (match_operand:VAXint 1 "general_operand" "nrmT,nrmT"))
    582   1.1  mrg 		    (match_operand:VAXint 2 "general_operand" "0,nrmT")))]
    583   1.1  mrg   ""
    584   1.1  mrg   "@
    585   1.1  mrg    bic<VAXint:isfx>2 %1,%0
    586   1.1  mrg    bic<VAXint:isfx>3 %1,%2,%0")
    587   1.1  mrg 
    588   1.3  mrg ;; The following used to be needed because constant propagation can
    589   1.1  mrg ;; create them starting from the bic insn patterns above.  This is no
    590   1.1  mrg ;; longer a problem.  However, having these patterns allows optimization
    591   1.1  mrg ;; opportunities in combine.c.
    592   1.1  mrg 
    593   1.1  mrg (define_insn "*and<mode>_const_int"
    594   1.1  mrg   [(set (match_operand:VAXint 0 "nonimmediate_operand" "=g,g")
    595   1.1  mrg 	(and:VAXint (match_operand:VAXint 1 "general_operand" "0,nrmT")
    596   1.1  mrg 		    (match_operand:VAXint 2 "const_int_operand" "n,n")))]
    597   1.1  mrg   ""
    598   1.1  mrg   "@
    599   1.1  mrg    bic<VAXint:isfx>2 %<VAXint:iprefx>2,%0
    600   1.3  mrg    bic<VAXint:isfx>3 %<VAXint:iprefx>2,%1,%0")
    601   1.1  mrg 
    602   1.1  mrg 
    604   1.1  mrg ;;- Bit set instructions.
    605   1.1  mrg 
    606   1.1  mrg (define_insn "ior<mode>3"
    607   1.1  mrg   [(set (match_operand:VAXint 0 "nonimmediate_operand" "=g,g,g")
    608   1.1  mrg 	(ior:VAXint (match_operand:VAXint 1 "general_operand" "0,nrmT,nrmT")
    609   1.1  mrg 		    (match_operand:VAXint 2 "general_operand" "nrmT,0,nrmT")))]
    610   1.1  mrg   ""
    611   1.1  mrg   "@
    612   1.3  mrg    bis<VAXint:isfx>2 %2,%0
    613   1.1  mrg    bis<VAXint:isfx>2 %1,%0
    614   1.1  mrg    bis<VAXint:isfx>3 %2,%1,%0")
    615   1.1  mrg 
    616   1.1  mrg ;;- xor instructions.
    617   1.1  mrg 
    618   1.1  mrg (define_insn "xor<mode>3"
    619   1.1  mrg   [(set (match_operand:VAXint 0 "nonimmediate_operand" "=g,g,g")
    620   1.1  mrg 	(xor:VAXint (match_operand:VAXint 1 "general_operand" "0,nrmT,nrmT")
    621   1.1  mrg 		    (match_operand:VAXint 2 "general_operand" "nrmT,0,nrmT")))]
    622   1.1  mrg   ""
    623   1.1  mrg   "@
    624   1.1  mrg    xor<VAXint:isfx>2 %2,%0
    625   1.1  mrg    xor<VAXint:isfx>2 %1,%0
    626   1.1  mrg    xor<VAXint:isfx>3 %2,%1,%0")
    627   1.1  mrg 
    628   1.1  mrg 
    630   1.1  mrg (define_insn "neg<mode>2"
    631   1.1  mrg   [(set (match_operand:VAXfp 0 "nonimmediate_operand" "=g")
    632   1.1  mrg 	(neg:VAXfp (match_operand:VAXfp 1 "general_operand" "gF")))]
    633   1.1  mrg   ""
    634   1.1  mrg   "mneg<VAXfp:fsfx> %1,%0")
    635   1.1  mrg 
    636   1.1  mrg (define_insn "neg<mode>2"
    637   1.1  mrg   [(set (match_operand:VAXint 0 "nonimmediate_operand" "=g")
    638   1.1  mrg 	(neg:VAXint (match_operand:VAXint 1 "general_operand" "nrmT")))]
    639   1.1  mrg   ""
    640   1.1  mrg   "mneg<VAXint:isfx> %1,%0")
    641   1.1  mrg 
    642   1.1  mrg (define_insn "one_cmpl<mode>2"
    643   1.1  mrg   [(set (match_operand:VAXint 0 "nonimmediate_operand" "=g")
    644   1.1  mrg 	(not:VAXint (match_operand:VAXint 1 "general_operand" "nrmT")))]
    645   1.1  mrg   ""
    646   1.1  mrg   "mcom<VAXint:isfx> %1,%0")
    647   1.3  mrg 
    648   1.1  mrg 
    650   1.1  mrg ;; Arithmetic right shift on the VAX works by negating the shift count,
    651   1.1  mrg ;; then emitting a right shift with the shift count negated.  This means
    652   1.1  mrg ;; that all actual shift counts in the RTL will be positive.  This
    653   1.1  mrg ;; prevents converting shifts to ZERO_EXTRACTs with negative positions,
    654   1.1  mrg ;; which isn't valid.
    655   1.1  mrg (define_expand "ashrsi3"
    656   1.1  mrg   [(set (match_operand:SI 0 "general_operand" "=g")
    657   1.1  mrg 	(ashiftrt:SI (match_operand:SI 1 "general_operand" "g")
    658   1.1  mrg 		     (match_operand:QI 2 "general_operand" "g")))]
    659   1.1  mrg   ""
    660   1.1  mrg   "
    661   1.1  mrg {
    662   1.1  mrg   if (! CONST_INT_P (operands[2]))
    663   1.1  mrg     operands[2] = gen_rtx_NEG (QImode, negate_rtx (QImode, operands[2]));
    664   1.1  mrg }")
    665   1.1  mrg 
    666   1.1  mrg (define_insn ""
    667   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    668   1.1  mrg 	(ashiftrt:SI (match_operand:SI 1 "general_operand" "nrmT")
    669   1.1  mrg 		     (match_operand:QI 2 "const_int_operand" "n")))]
    670   1.1  mrg   ""
    671   1.1  mrg   "ashl $%n2,%1,%0")
    672   1.1  mrg 
    673   1.1  mrg (define_insn ""
    674   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    675   1.1  mrg 	(ashiftrt:SI (match_operand:SI 1 "general_operand" "nrmT")
    676   1.1  mrg 		     (neg:QI (match_operand:QI 2 "general_operand" "g"))))]
    677   1.1  mrg   ""
    678   1.1  mrg   "ashl %2,%1,%0")
    679   1.1  mrg 
    680   1.1  mrg (define_insn "ashlsi3"
    681   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    682   1.1  mrg 	(ashift:SI (match_operand:SI 1 "general_operand" "nrmT")
    683   1.1  mrg 		   (match_operand:QI 2 "general_operand" "g")))]
    684   1.1  mrg   ""
    685   1.1  mrg   "*
    686   1.1  mrg {
    687   1.1  mrg   if (operands[2] == const1_rtx && rtx_equal_p (operands[0], operands[1]))
    688   1.1  mrg     return \"addl2 %0,%0\";
    689   1.1  mrg   if (REG_P (operands[1]) && CONST_INT_P (operands[2]))
    690   1.1  mrg     {
    691   1.1  mrg       int i = INTVAL (operands[2]);
    692   1.1  mrg       if (i == 1)
    693   1.1  mrg 	return \"addl3 %1,%1,%0\";
    694   1.1  mrg       if (i == 2 && !optimize_size)
    695   1.1  mrg 	{
    696   1.1  mrg 	  if (push_operand (operands[0], SImode))
    697   1.1  mrg 	    return \"pushal 0[%1]\";
    698   1.1  mrg 	  return \"moval 0[%1],%0\";
    699   1.1  mrg 	}
    700   1.1  mrg       if (i == 3 && !optimize_size)
    701   1.1  mrg 	{
    702   1.1  mrg 	  if (push_operand (operands[0], SImode))
    703   1.1  mrg 	    return \"pushaq 0[%1]\";
    704   1.1  mrg 	  return \"movaq 0[%1],%0\";
    705   1.1  mrg 	}
    706   1.1  mrg     }
    707   1.1  mrg   return \"ashl %2,%1,%0\";
    708   1.1  mrg }")
    709   1.1  mrg 
    710   1.1  mrg ;; Arithmetic right shift on the VAX works by negating the shift count.
    711   1.1  mrg (define_expand "ashrdi3"
    712   1.1  mrg   [(set (match_operand:DI 0 "general_operand" "=g")
    713   1.1  mrg 	(ashiftrt:DI (match_operand:DI 1 "general_operand" "g")
    714   1.1  mrg 		     (match_operand:QI 2 "general_operand" "g")))]
    715   1.1  mrg   ""
    716   1.1  mrg   "
    717   1.1  mrg {
    718   1.1  mrg   operands[2] = gen_rtx_NEG (QImode, negate_rtx (QImode, operands[2]));
    719   1.1  mrg }")
    720   1.1  mrg 
    721   1.1  mrg (define_insn "ashldi3"
    722   1.1  mrg   [(set (match_operand:DI 0 "nonimmediate_operand" "=g")
    723   1.1  mrg 	(ashift:DI (match_operand:DI 1 "general_operand" "g")
    724   1.1  mrg 		   (match_operand:QI 2 "general_operand" "g")))]
    725   1.1  mrg   ""
    726   1.1  mrg   "ashq %2,%D1,%0")
    727   1.1  mrg 
    728   1.1  mrg (define_insn ""
    729   1.1  mrg   [(set (match_operand:DI 0 "nonimmediate_operand" "=g")
    730   1.1  mrg 	(ashiftrt:DI (match_operand:DI 1 "general_operand" "g")
    731   1.1  mrg 		     (neg:QI (match_operand:QI 2 "general_operand" "g"))))]
    732   1.1  mrg   ""
    733   1.1  mrg   "ashq %2,%D1,%0")
    734   1.1  mrg 
    735   1.1  mrg ;; We used to have expand_shift handle logical right shifts by using extzv,
    736   1.1  mrg ;; but this make it very difficult to do lshrdi3.  Since the VAX is the
    737   1.1  mrg ;; only machine with this kludge, it's better to just do this with a
    738   1.1  mrg ;; define_expand and remove that case from expand_shift.
    739   1.1  mrg 
    740   1.1  mrg (define_expand "lshrsi3"
    741   1.1  mrg   [(set (match_dup 3)
    742   1.1  mrg 	(minus:QI (const_int 32)
    743   1.1  mrg 		  (match_dup 4)))
    744   1.1  mrg    (set (match_operand:SI 0 "nonimmediate_operand" "=g")
    745   1.1  mrg 	(zero_extract:SI (match_operand:SI 1 "register_operand" "r")
    746   1.1  mrg 			 (match_dup 3)
    747   1.1  mrg 			 (match_operand:SI 2 "register_operand" "g")))]
    748   1.1  mrg   ""
    749   1.1  mrg   "
    750   1.1  mrg {
    751   1.1  mrg   operands[3] = gen_reg_rtx (QImode);
    752   1.1  mrg   operands[4] = gen_lowpart (QImode, operands[2]);
    753   1.1  mrg }")
    754   1.1  mrg 
    755   1.1  mrg ;; Rotate right on the VAX works by negating the shift count.
    756   1.1  mrg (define_expand "rotrsi3"
    757   1.1  mrg   [(set (match_operand:SI 0 "general_operand" "=g")
    758   1.1  mrg 	(rotatert:SI (match_operand:SI 1 "general_operand" "g")
    759   1.1  mrg 		     (match_operand:QI 2 "general_operand" "g")))]
    760   1.1  mrg   ""
    761   1.1  mrg   "
    762   1.1  mrg {
    763   1.1  mrg   if (! CONST_INT_P (operands[2]))
    764   1.1  mrg     operands[2] = gen_rtx_NEG (QImode, negate_rtx (QImode, operands[2]));
    765   1.1  mrg }")
    766   1.1  mrg 
    767   1.1  mrg (define_insn "rotlsi3"
    768   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    769   1.1  mrg 	(rotate:SI (match_operand:SI 1 "general_operand" "nrmT")
    770   1.1  mrg 		   (match_operand:QI 2 "general_operand" "g")))]
    771   1.1  mrg   ""
    772   1.1  mrg   "rotl %2,%1,%0")
    773   1.1  mrg 
    774   1.1  mrg (define_insn ""
    775   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    776   1.1  mrg 	(rotatert:SI (match_operand:SI 1 "general_operand" "nrmT")
    777   1.1  mrg 		     (match_operand:QI 2 "const_int_operand" "n")))]
    778   1.1  mrg   ""
    779   1.1  mrg   "rotl %R2,%1,%0")
    780   1.1  mrg 
    781   1.1  mrg (define_insn ""
    782   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    783   1.1  mrg 	(rotatert:SI (match_operand:SI 1 "general_operand" "nrmT")
    784   1.1  mrg 		     (neg:QI (match_operand:QI 2 "general_operand" "g"))))]
    785   1.1  mrg   ""
    786   1.1  mrg   "rotl %2,%1,%0")
    787   1.1  mrg 
    788   1.1  mrg ;This insn is probably slower than a multiply and an add.
    789   1.1  mrg ;(define_insn ""
    790   1.1  mrg ;  [(set (match_operand:SI 0 "general_operand" "=g")
    791   1.5  mrg ;	(mult:SI (plus:SI (match_operand:SI 1 "general_operand" "g")
    792   1.5  mrg ;			  (match_operand:SI 2 "general_operand" "g"))
    793   1.5  mrg ;		 (match_operand:SI 3 "general_operand" "g")))]
    794   1.1  mrg ;  ""
    795   1.1  mrg ;  "index %1,$0x80000000,$0x7fffffff,%3,%2,%0")
    796   1.1  mrg 
    798   1.1  mrg ;; Special cases of bit-field insns which we should
    799   1.1  mrg ;; recognize in preference to the general case.
    800   1.1  mrg ;; These handle aligned 8-bit and 16-bit fields,
    801   1.1  mrg ;; which can usually be done with move instructions.
    802   1.3  mrg 
    803   1.3  mrg ;; netbsd changed this to REG_P (operands[0]) || (MEM_P (operands[0]) && ...
    804   1.3  mrg ;; but gcc made it just !MEM_P (operands[0]) || ...
    805   1.1  mrg 
    806   1.1  mrg (define_insn ""
    807   1.1  mrg   [(set (zero_extract:SI (match_operand:SI 0 "register_operand" "+ro")
    808   1.1  mrg 			 (match_operand:QI 1 "const_int_operand" "n")
    809   1.1  mrg 			 (match_operand:SI 2 "const_int_operand" "n"))
    810   1.1  mrg 	(match_operand:SI 3 "general_operand" "g"))]
    811   1.1  mrg    "(INTVAL (operands[1]) == 8 || INTVAL (operands[1]) == 16)
    812   1.1  mrg    && INTVAL (operands[2]) % INTVAL (operands[1]) == 0
    813   1.1  mrg    && (REG_P (operands[0])
    814   1.1  mrg        || (MEM_P (operands[0])
    815   1.1  mrg           && ! mode_dependent_address_p (XEXP (operands[0], 0),
    816   1.1  mrg 				       MEM_ADDR_SPACE (operands[0]))))"
    817   1.1  mrg   "*
    818   1.1  mrg {
    819   1.1  mrg   if (REG_P (operands[0]))
    820   1.1  mrg     {
    821   1.1  mrg       if (INTVAL (operands[2]) != 0)
    822   1.1  mrg 	return \"insv %3,%2,%1,%0\";
    823   1.1  mrg     }
    824   1.1  mrg   else
    825   1.1  mrg     operands[0]
    826   1.1  mrg       = adjust_address (operands[0],
    827   1.1  mrg 			INTVAL (operands[1]) == 8 ? QImode : HImode,
    828   1.1  mrg 			INTVAL (operands[2]) / 8);
    829   1.1  mrg 
    830   1.1  mrg   CC_STATUS_INIT;
    831   1.1  mrg   if (INTVAL (operands[1]) == 8)
    832   1.3  mrg     return \"movb %3,%0\";
    833   1.3  mrg   return \"movw %3,%0\";
    834   1.3  mrg }")
    835   1.1  mrg 
    836   1.1  mrg (define_insn ""
    837   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=&g")
    838   1.1  mrg 	(zero_extract:SI (match_operand:SI 1 "register_operand" "ro")
    839   1.1  mrg 			 (match_operand:QI 2 "const_int_operand" "n")
    840   1.1  mrg 			 (match_operand:SI 3 "const_int_operand" "n")))]
    841   1.1  mrg   "(INTVAL (operands[2]) == 8 || INTVAL (operands[2]) == 16)
    842   1.1  mrg    && INTVAL (operands[3]) % INTVAL (operands[2]) == 0
    843   1.1  mrg    && (REG_P (operands[1])
    844   1.1  mrg        || (MEM_P (operands[1])
    845   1.1  mrg           && ! mode_dependent_address_p (XEXP (operands[1], 0),
    846   1.1  mrg 				      MEM_ADDR_SPACE (operands[1]))))"
    847   1.1  mrg   "*
    848   1.1  mrg {
    849   1.1  mrg   if (REG_P (operands[1]))
    850   1.1  mrg     {
    851   1.1  mrg       if (INTVAL (operands[3]) != 0)
    852   1.1  mrg 	return \"extzv %3,%2,%1,%0\";
    853   1.1  mrg     }
    854   1.1  mrg   else
    855   1.1  mrg     operands[1]
    856   1.1  mrg       = adjust_address (operands[1],
    857   1.1  mrg 			INTVAL (operands[2]) == 8 ? QImode : HImode,
    858   1.1  mrg 			INTVAL (operands[3]) / 8);
    859   1.1  mrg 
    860   1.1  mrg   if (INTVAL (operands[2]) == 8)
    861   1.3  mrg     return \"movzbl %1,%0\";
    862   1.3  mrg   return \"movzwl %1,%0\";
    863   1.3  mrg }")
    864   1.1  mrg 
    865   1.1  mrg (define_insn ""
    866   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    867   1.1  mrg 	(sign_extract:SI (match_operand:SI 1 "register_operand" "ro")
    868   1.1  mrg 			 (match_operand:QI 2 "const_int_operand" "n")
    869   1.1  mrg 			 (match_operand:SI 3 "const_int_operand" "n")))]
    870   1.1  mrg   "(INTVAL (operands[2]) == 8 || INTVAL (operands[2]) == 16)
    871   1.1  mrg    && INTVAL (operands[3]) % INTVAL (operands[2]) == 0
    872   1.1  mrg    && (REG_P (operands[1])
    873   1.1  mrg        || (MEM_P (operands[1])
    874   1.1  mrg           && ! mode_dependent_address_p (XEXP (operands[1], 0),
    875   1.1  mrg 				      MEM_ADDR_SPACE (operands[1]))))"
    876   1.1  mrg   "*
    877   1.1  mrg {
    878   1.1  mrg   if (REG_P (operands[1]))
    879   1.1  mrg     {
    880   1.1  mrg       if (INTVAL (operands[3]) != 0)
    881   1.1  mrg 	return \"extv %3,%2,%1,%0\";
    882   1.1  mrg     }
    883   1.1  mrg   else
    884   1.1  mrg     operands[1]
    885   1.1  mrg       = adjust_address (operands[1],
    886   1.1  mrg 			INTVAL (operands[2]) == 8 ? QImode : HImode,
    887   1.1  mrg 			INTVAL (operands[3]) / 8);
    888   1.1  mrg 
    889   1.1  mrg   if (INTVAL (operands[2]) == 8)
    890   1.1  mrg     return \"cvtbl %1,%0\";
    891   1.1  mrg   return \"cvtwl %1,%0\";
    892   1.1  mrg }")
    893   1.1  mrg 
    895   1.1  mrg ;; Register-only SImode cases of bit-field insns.
    896   1.1  mrg 
    897   1.1  mrg (define_insn ""
    898   1.1  mrg   [(set (cc0)
    899   1.1  mrg 	(compare
    900   1.1  mrg 	 (sign_extract:SI (match_operand:SI 0 "register_operand" "r")
    901   1.1  mrg 			  (match_operand:QI 1 "general_operand" "g")
    902   1.1  mrg 			  (match_operand:SI 2 "general_operand" "nrmT"))
    903   1.1  mrg 	 (match_operand:SI 3 "general_operand" "nrmT")))]
    904   1.1  mrg   ""
    905   1.1  mrg   "cmpv %2,%1,%0,%3")
    906   1.1  mrg 
    907   1.1  mrg (define_insn ""
    908   1.1  mrg   [(set (cc0)
    909   1.1  mrg 	(compare
    910   1.1  mrg 	 (zero_extract:SI (match_operand:SI 0 "register_operand" "r")
    911   1.1  mrg 			  (match_operand:QI 1 "general_operand" "g")
    912   1.1  mrg 			  (match_operand:SI 2 "general_operand" "nrmT"))
    913   1.1  mrg 	 (match_operand:SI 3 "general_operand" "nrmT")))]
    914   1.1  mrg   ""
    915   1.1  mrg   "cmpzv %2,%1,%0,%3")
    916   1.1  mrg 
    917   1.1  mrg ;; When the field position and size are constant and the destination
    918   1.1  mrg ;; is a register, extv and extzv are much slower than a rotate followed
    919   1.1  mrg ;; by a bicl or sign extension.  Because we might end up choosing ext[z]v
    920   1.1  mrg ;; anyway, we can't allow immediate values for the primary source operand.
    921   1.1  mrg 
    922   1.1  mrg (define_insn ""
    923   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    924   1.1  mrg 	(sign_extract:SI (match_operand:SI 1 "register_operand" "ro")
    925   1.1  mrg 			 (match_operand:QI 2 "general_operand" "g")
    926   1.1  mrg 			 (match_operand:SI 3 "general_operand" "nrmT")))]
    927   1.1  mrg   ""
    928   1.1  mrg   "*
    929   1.1  mrg {
    930   1.1  mrg   if (! CONST_INT_P (operands[3]) || ! CONST_INT_P (operands[2])
    931   1.1  mrg       || ! REG_P (operands[0])
    932   1.1  mrg       || (INTVAL (operands[2]) != 8 && INTVAL (operands[2]) != 16))
    933   1.1  mrg     return \"extv %3,%2,%1,%0\";
    934   1.1  mrg   if (INTVAL (operands[2]) == 8)
    935   1.1  mrg     return \"rotl %R3,%1,%0\;cvtbl %0,%0\";
    936   1.1  mrg   return \"rotl %R3,%1,%0\;cvtwl %0,%0\";
    937   1.1  mrg }")
    938   1.1  mrg 
    939   1.1  mrg (define_insn ""
    940   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    941   1.1  mrg 	(zero_extract:SI (match_operand:SI 1 "register_operand" "ro")
    942   1.1  mrg 			 (match_operand:QI 2 "general_operand" "g")
    943   1.1  mrg 			 (match_operand:SI 3 "general_operand" "nrmT")))]
    944   1.1  mrg   ""
    945   1.1  mrg   "*
    946   1.1  mrg {
    947   1.1  mrg   if (! CONST_INT_P (operands[3]) || ! CONST_INT_P (operands[2])
    948   1.1  mrg       || ! REG_P (operands[0]))
    949   1.1  mrg     return \"extzv %3,%2,%1,%0\";
    950   1.1  mrg   if (INTVAL (operands[2]) == 8)
    951   1.1  mrg     return \"rotl %R3,%1,%0\;movzbl %0,%0\";
    952   1.1  mrg   if (INTVAL (operands[2]) == 16)
    953   1.1  mrg     return \"rotl %R3,%1,%0\;movzwl %0,%0\";
    954   1.1  mrg   if (INTVAL (operands[3]) & 31)
    955   1.1  mrg     return \"rotl %R3,%1,%0\;bicl2 %M2,%0\";
    956   1.1  mrg   if (rtx_equal_p (operands[0], operands[1]))
    957   1.1  mrg     return \"bicl2 %M2,%0\";
    958   1.1  mrg   return \"bicl3 %M2,%1,%0\";
    959   1.1  mrg }")
    960   1.1  mrg 
    961   1.1  mrg ;; Non-register cases.
    962   1.1  mrg ;; nonimmediate_operand is used to make sure that mode-ambiguous cases
    963   1.1  mrg ;; don't match these (and therefore match the cases above instead).
    964   1.1  mrg 
    965   1.1  mrg (define_insn ""
    966   1.1  mrg   [(set (cc0)
    967   1.1  mrg 	(compare
    968   1.1  mrg 	 (sign_extract:SI (match_operand:QI 0 "memory_operand" "m")
    969   1.1  mrg 			  (match_operand:QI 1 "general_operand" "g")
    970   1.1  mrg 			  (match_operand:SI 2 "general_operand" "nrmT"))
    971   1.1  mrg 	 (match_operand:SI 3 "general_operand" "nrmT")))]
    972   1.1  mrg   ""
    973   1.1  mrg   "cmpv %2,%1,%0,%3")
    974   1.1  mrg 
    975   1.1  mrg (define_insn ""
    976   1.1  mrg   [(set (cc0)
    977   1.1  mrg 	(compare
    978   1.1  mrg 	 (zero_extract:SI (match_operand:QI 0 "nonimmediate_operand" "rm")
    979   1.1  mrg 			  (match_operand:QI 1 "general_operand" "g")
    980   1.1  mrg 			  (match_operand:SI 2 "general_operand" "nrmT"))
    981   1.1  mrg 	 (match_operand:SI 3 "general_operand" "nrmT")))]
    982   1.1  mrg   ""
    983   1.1  mrg   "cmpzv %2,%1,%0,%3")
    984   1.1  mrg 
    985   1.1  mrg (define_insn "extv"
    986   1.3  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
    987   1.3  mrg 	(sign_extract:SI (match_operand:QI 1 "memory_operand" "m")
    988   1.1  mrg 			 (match_operand:QI 2 "general_operand" "g")
    989   1.1  mrg 			 (match_operand:SI 3 "general_operand" "nrmT")))]
    990   1.1  mrg   ""
    991   1.1  mrg   "*
    992   1.1  mrg {
    993   1.1  mrg   if (! REG_P (operands[0]) || ! CONST_INT_P (operands[2])
    994   1.1  mrg       || ! CONST_INT_P (operands[3])
    995   1.1  mrg       || (INTVAL (operands[2]) != 8 && INTVAL (operands[2]) != 16)
    996   1.1  mrg       || INTVAL (operands[2]) + INTVAL (operands[3]) > 32
    997   1.1  mrg       || side_effects_p (operands[1])
    998   1.1  mrg       || (MEM_P (operands[1])
    999   1.1  mrg 	  && mode_dependent_address_p (XEXP (operands[1], 0),
   1000   1.1  mrg 				       MEM_ADDR_SPACE (operands[1]))))
   1001   1.1  mrg     return \"extv %3,%2,%1,%0\";
   1002   1.1  mrg   if (INTVAL (operands[2]) == 8)
   1003   1.1  mrg     return \"rotl %R3,%1,%0\;cvtbl %0,%0\";
   1004   1.1  mrg   return \"rotl %R3,%1,%0\;cvtwl %0,%0\";
   1005   1.1  mrg }")
   1006   1.1  mrg 
   1007   1.1  mrg (define_expand "extzv"
   1008   1.1  mrg   [(set (match_operand:SI 0 "general_operand" "")
   1009   1.1  mrg 	(zero_extract:SI (match_operand:SI 1 "general_operand" "")
   1010   1.1  mrg 			 (match_operand:QI 2 "general_operand" "")
   1011   1.1  mrg 			 (match_operand:SI 3 "general_operand" "")))]
   1012   1.1  mrg   ""
   1013   1.1  mrg   "")
   1014   1.1  mrg 
   1015   1.3  mrg (define_insn ""
   1016   1.3  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
   1017   1.1  mrg 	(zero_extract:SI (match_operand:QI 1 "memory_operand" "m")
   1018   1.1  mrg 			 (match_operand:QI 2 "general_operand" "g")
   1019   1.1  mrg 			 (match_operand:SI 3 "general_operand" "nrmT")))]
   1020   1.1  mrg   ""
   1021   1.1  mrg   "*
   1022   1.1  mrg {
   1023   1.1  mrg   if (! REG_P (operands[0]) || ! CONST_INT_P (operands[2])
   1024   1.1  mrg       || ! CONST_INT_P (operands[3])
   1025   1.1  mrg       || INTVAL (operands[2]) + INTVAL (operands[3]) > 32
   1026   1.1  mrg       || side_effects_p (operands[1])
   1027   1.1  mrg       || (MEM_P (operands[1])
   1028   1.1  mrg 	  && mode_dependent_address_p (XEXP (operands[1], 0),
   1029   1.1  mrg 				       MEM_ADDR_SPACE (operands[1]))))
   1030   1.1  mrg     return \"extzv %3,%2,%1,%0\";
   1031   1.1  mrg   if (INTVAL (operands[2]) == 8)
   1032   1.1  mrg     return \"rotl %R3,%1,%0\;movzbl %0,%0\";
   1033   1.1  mrg   if (INTVAL (operands[2]) == 16)
   1034   1.1  mrg     return \"rotl %R3,%1,%0\;movzwl %0,%0\";
   1035   1.1  mrg   if (MEM_P (operands[1])
   1036   1.1  mrg       && GET_CODE (XEXP (operands[1], 0)) == PLUS
   1037   1.1  mrg       && REG_P (XEXP (XEXP (operands[1], 0), 0))
   1038   1.1  mrg       && CONST_INT_P (XEXP (XEXP (operands[1], 0), 1))
   1039   1.1  mrg       && CONST_INT_P (operands[2])
   1040   1.1  mrg       && CONST_INT_P (operands[3]))
   1041   1.1  mrg     {
   1042   1.1  mrg       HOST_WIDE_INT o = INTVAL (XEXP (XEXP (operands[1], 0), 1));
   1043   1.1  mrg       HOST_WIDE_INT l = INTVAL (operands[2]);
   1044   1.1  mrg       HOST_WIDE_INT v = INTVAL (operands[3]);
   1045   1.1  mrg       if ((o & 3) && (o & 3) * 8 + v + l <= 32)
   1046   1.1  mrg 	{
   1047   1.1  mrg 	  rtx tmp;
   1048   1.1  mrg 	  tmp = XEXP (XEXP (operands[1], 0), 0);
   1049   1.1  mrg 	  if (o & ~3)
   1050   1.1  mrg 	    tmp = gen_rtx_PLUS (SImode, tmp, GEN_INT (o & ~3));
   1051   1.1  mrg 	  operands[1] = gen_rtx_MEM (QImode, tmp);
   1052   1.1  mrg 	  operands[3] = GEN_INT (v + (o & 3) * 8);
   1053   1.1  mrg 	}
   1054   1.1  mrg       if (optimize_size)
   1055   1.1  mrg 	return \"extzv %3,%2,%1,%0\";
   1056   1.1  mrg     }
   1057   1.1  mrg   return \"rotl %R3,%1,%0\;bicl2 %M2,%0\";
   1058   1.1  mrg }")
   1059   1.1  mrg 
   1060   1.1  mrg (define_expand "insv"
   1061   1.1  mrg   [(set (zero_extract:SI (match_operand:SI 0 "general_operand" "")
   1062   1.1  mrg 			 (match_operand:QI 1 "general_operand" "")
   1063   1.1  mrg 			 (match_operand:SI 2 "general_operand" ""))
   1064   1.1  mrg 	(match_operand:SI 3 "general_operand" ""))]
   1065   1.1  mrg   ""
   1066   1.1  mrg   "")
   1067   1.1  mrg 
   1068   1.1  mrg (define_insn ""
   1069   1.1  mrg   [(set (zero_extract:SI (match_operand:QI 0 "memory_operand" "+g")
   1070   1.1  mrg 			 (match_operand:QI 1 "general_operand" "g")
   1071   1.1  mrg 			 (match_operand:SI 2 "general_operand" "nrmT"))
   1072   1.1  mrg 	(match_operand:SI 3 "general_operand" "nrmT"))]
   1073   1.1  mrg   ""
   1074   1.1  mrg   "*
   1075   1.1  mrg {
   1076   1.1  mrg   if (MEM_P (operands[0])
   1077   1.1  mrg       && GET_CODE (XEXP (operands[0], 0)) == PLUS
   1078   1.1  mrg       && REG_P (XEXP (XEXP (operands[0], 0), 0))
   1079   1.1  mrg       && CONST_INT_P (XEXP (XEXP (operands[0], 0), 1))
   1080   1.1  mrg       && CONST_INT_P (operands[1])
   1081   1.1  mrg       && CONST_INT_P (operands[2]))
   1082   1.1  mrg     {
   1083   1.1  mrg       HOST_WIDE_INT o = INTVAL (XEXP (XEXP (operands[0], 0), 1));
   1084   1.1  mrg       HOST_WIDE_INT v = INTVAL (operands[2]);
   1085   1.1  mrg       HOST_WIDE_INT l = INTVAL (operands[1]);
   1086   1.1  mrg       if ((o & 3) && (o & 3) * 8 + v + l <= 32)
   1087   1.1  mrg 	{
   1088   1.1  mrg 	  rtx tmp;
   1089   1.1  mrg 	  tmp = XEXP (XEXP (operands[0], 0), 0);
   1090   1.1  mrg 	  if (o & ~3)
   1091   1.1  mrg 	    tmp = gen_rtx_PLUS (SImode, tmp, GEN_INT (o & ~3));
   1092   1.1  mrg 	  operands[0] = gen_rtx_MEM (QImode, tmp);
   1093   1.1  mrg 	  operands[2] = GEN_INT (v + (o & 3) * 8);
   1094   1.1  mrg 	}
   1095   1.1  mrg     }
   1096   1.1  mrg   return \"insv %3,%2,%1,%0\";
   1097   1.1  mrg }")
   1098   1.1  mrg 
   1099   1.1  mrg (define_insn ""
   1100   1.1  mrg   [(set (zero_extract:SI (match_operand:SI 0 "register_operand" "+r")
   1101   1.1  mrg 			 (match_operand:QI 1 "general_operand" "g")
   1102   1.1  mrg 			 (match_operand:SI 2 "general_operand" "nrmT"))
   1103   1.1  mrg 	(match_operand:SI 3 "general_operand" "nrmT"))]
   1104   1.1  mrg   ""
   1105   1.1  mrg   "insv %3,%2,%1,%0")
   1106   1.1  mrg 
   1108   1.1  mrg ;; Unconditional jump
   1109   1.1  mrg (define_insn "jump"
   1110   1.1  mrg   [(set (pc)
   1111   1.1  mrg 	(label_ref (match_operand 0 "" "")))]
   1112   1.1  mrg   ""
   1113   1.1  mrg   "jbr %l0")
   1114   1.1  mrg 
   1115   1.1  mrg ;; Conditional jumps
   1116   1.1  mrg 
   1117   1.1  mrg (define_expand "cbranch<mode>4"
   1118   1.1  mrg   [(set (cc0)
   1119   1.1  mrg         (compare (match_operand:VAXint 1 "nonimmediate_operand" "")
   1120   1.1  mrg                  (match_operand:VAXint 2 "general_operand" "")))
   1121   1.1  mrg    (set (pc)
   1122   1.1  mrg         (if_then_else
   1123   1.1  mrg               (match_operator 0 "ordered_comparison_operator" [(cc0)
   1124   1.1  mrg                                                                (const_int 0)])
   1125   1.1  mrg               (label_ref (match_operand 3 "" ""))
   1126   1.1  mrg               (pc)))]
   1127   1.1  mrg  "")
   1128   1.1  mrg 
   1129   1.1  mrg (define_expand "cbranch<mode>4"
   1130   1.1  mrg   [(set (cc0)
   1131   1.1  mrg         (compare (match_operand:VAXfp 1 "general_operand" "")
   1132   1.1  mrg                  (match_operand:VAXfp 2 "general_operand" "")))
   1133   1.1  mrg    (set (pc)
   1134   1.1  mrg         (if_then_else
   1135   1.1  mrg               (match_operator 0 "ordered_comparison_operator" [(cc0)
   1136   1.1  mrg                                                                (const_int 0)])
   1137   1.1  mrg               (label_ref (match_operand 3 "" ""))
   1138   1.1  mrg               (pc)))]
   1139   1.1  mrg  "")
   1140   1.1  mrg 
   1141   1.1  mrg (define_insn "*branch"
   1142   1.1  mrg   [(set (pc)
   1143   1.1  mrg 	(if_then_else (match_operator 0 "ordered_comparison_operator"
   1144   1.1  mrg 				      [(cc0)
   1145   1.1  mrg 				       (const_int 0)])
   1146   1.1  mrg 		      (label_ref (match_operand 1 "" ""))
   1147   1.1  mrg 		      (pc)))]
   1148   1.1  mrg   ""
   1149   1.1  mrg   "j%c0 %l1")
   1150   1.1  mrg 
   1151   1.1  mrg ;; Recognize reversed jumps.
   1152   1.1  mrg (define_insn "*branch_reversed"
   1153   1.1  mrg   [(set (pc)
   1154   1.1  mrg 	(if_then_else (match_operator 0 "ordered_comparison_operator"
   1155   1.1  mrg 				      [(cc0)
   1156   1.1  mrg 				       (const_int 0)])
   1157   1.1  mrg 		      (pc)
   1158   1.1  mrg 		      (label_ref (match_operand 1 "" ""))))]
   1159   1.1  mrg   ""
   1160   1.1  mrg   "j%C0 %l1") ; %C0 negates condition
   1161   1.1  mrg 
   1163   1.1  mrg ;; Recognize jbs, jlbs, jbc and jlbc instructions.  Note that the operand
   1164   1.1  mrg ;; of jlbs and jlbc insns are SImode in the hardware.  However, if it is
   1165   1.1  mrg ;; memory, we use QImode in the insn.  So we can't use those instructions
   1166   1.1  mrg ;; for mode-dependent addresses.
   1167   1.1  mrg 
   1168   1.1  mrg (define_insn ""
   1169   1.1  mrg   [(set (pc)
   1170   1.1  mrg 	(if_then_else
   1171   1.1  mrg 	 (ne (zero_extract:SI (match_operand:QI 0 "memory_operand" "Q,g")
   1172   1.1  mrg 			      (const_int 1)
   1173   1.1  mrg 			      (match_operand:SI 1 "general_operand" "I,nrmT"))
   1174   1.1  mrg 	     (const_int 0))
   1175   1.1  mrg 	 (label_ref (match_operand 2 "" ""))
   1176   1.1  mrg 	 (pc)))]
   1177   1.1  mrg   ""
   1178   1.1  mrg   "@
   1179   1.1  mrg    jlbs %0,%l2
   1180   1.1  mrg    jbs %1,%0,%l2")
   1181   1.1  mrg 
   1182   1.1  mrg (define_insn ""
   1183   1.1  mrg   [(set (pc)
   1184   1.1  mrg 	(if_then_else
   1185   1.1  mrg 	 (eq (zero_extract:SI (match_operand:QI 0 "memory_operand" "Q,g")
   1186   1.1  mrg 			      (const_int 1)
   1187   1.1  mrg 			      (match_operand:SI 1 "general_operand" "I,nrmT"))
   1188   1.1  mrg 	     (const_int 0))
   1189   1.1  mrg 	 (label_ref (match_operand 2 "" ""))
   1190   1.1  mrg 	 (pc)))]
   1191   1.1  mrg   ""
   1192   1.1  mrg   "@
   1193   1.1  mrg    jlbc %0,%l2
   1194   1.1  mrg    jbc %1,%0,%l2")
   1195   1.1  mrg 
   1196   1.1  mrg (define_insn ""
   1197   1.1  mrg   [(set (pc)
   1198   1.1  mrg 	(if_then_else
   1199   1.1  mrg 	 (ne (zero_extract:SI (match_operand:SI 0 "register_operand" "r,r")
   1200   1.1  mrg 			      (const_int 1)
   1201   1.1  mrg 			      (match_operand:SI 1 "general_operand" "I,nrmT"))
   1202   1.1  mrg 	     (const_int 0))
   1203   1.1  mrg 	 (label_ref (match_operand 2 "" ""))
   1204   1.1  mrg 	 (pc)))]
   1205   1.1  mrg   ""
   1206   1.1  mrg   "@
   1207   1.1  mrg    jlbs %0,%l2
   1208   1.1  mrg    jbs %1,%0,%l2")
   1209   1.1  mrg 
   1210   1.1  mrg (define_insn ""
   1211   1.1  mrg   [(set (pc)
   1212   1.1  mrg 	(if_then_else
   1213   1.1  mrg 	 (eq (zero_extract:SI (match_operand:SI 0 "register_operand" "r,r")
   1214   1.1  mrg 			      (const_int 1)
   1215   1.1  mrg 			      (match_operand:SI 1 "general_operand" "I,nrmT"))
   1216   1.1  mrg 	     (const_int 0))
   1217   1.1  mrg 	 (label_ref (match_operand 2 "" ""))
   1218   1.1  mrg 	 (pc)))]
   1219   1.1  mrg   ""
   1220   1.1  mrg   "@
   1221   1.1  mrg    jlbc %0,%l2
   1222   1.1  mrg    jbc %1,%0,%l2")
   1223   1.1  mrg 
   1225   1.1  mrg ;; Subtract-and-jump and Add-and-jump insns.
   1226   1.1  mrg ;; These are not used when output is for the Unix assembler
   1227   1.1  mrg ;; because it does not know how to modify them to reach far.
   1228   1.1  mrg 
   1229   1.1  mrg ;; Normal sob insns.
   1230   1.1  mrg 
   1231   1.1  mrg (define_insn ""
   1232   1.1  mrg   [(set (pc)
   1233   1.1  mrg 	(if_then_else
   1234   1.1  mrg 	 (gt (plus:SI (match_operand:SI 0 "nonimmediate_operand" "+g")
   1235   1.1  mrg 		      (const_int -1))
   1236   1.1  mrg 	     (const_int 0))
   1237   1.1  mrg 	 (label_ref (match_operand 1 "" ""))
   1238   1.1  mrg 	 (pc)))
   1239   1.1  mrg    (set (match_dup 0)
   1240   1.1  mrg 	(plus:SI (match_dup 0)
   1241   1.1  mrg 		 (const_int -1)))]
   1242   1.1  mrg   "!TARGET_UNIX_ASM"
   1243   1.1  mrg   "jsobgtr %0,%l1")
   1244   1.1  mrg 
   1245   1.1  mrg (define_insn ""
   1246   1.1  mrg   [(set (pc)
   1247   1.1  mrg 	(if_then_else
   1248   1.1  mrg 	 (ge (plus:SI (match_operand:SI 0 "nonimmediate_operand" "+g")
   1249   1.1  mrg 		      (const_int -1))
   1250   1.1  mrg 	     (const_int 0))
   1251   1.1  mrg 	 (label_ref (match_operand 1 "" ""))
   1252   1.1  mrg 	 (pc)))
   1253   1.1  mrg    (set (match_dup 0)
   1254   1.1  mrg 	(plus:SI (match_dup 0)
   1255   1.1  mrg 		 (const_int -1)))]
   1256   1.1  mrg   "!TARGET_UNIX_ASM"
   1257   1.1  mrg   "jsobgeq %0,%l1")
   1258   1.1  mrg 
   1259   1.1  mrg ;; Normal aob insns.  Define a version for when operands[1] is a constant.
   1260   1.1  mrg (define_insn ""
   1261   1.1  mrg   [(set (pc)
   1262   1.1  mrg 	(if_then_else
   1263   1.1  mrg 	 (lt (plus:SI (match_operand:SI 0 "nonimmediate_operand" "+g")
   1264   1.1  mrg 		      (const_int 1))
   1265   1.1  mrg 	     (match_operand:SI 1 "general_operand" "nrmT"))
   1266   1.1  mrg 	 (label_ref (match_operand 2 "" ""))
   1267   1.1  mrg 	 (pc)))
   1268   1.1  mrg    (set (match_dup 0)
   1269   1.1  mrg 	(plus:SI (match_dup 0)
   1270   1.1  mrg 		 (const_int 1)))]
   1271   1.1  mrg   "!TARGET_UNIX_ASM"
   1272   1.1  mrg   "jaoblss %1,%0,%l2")
   1273   1.1  mrg 
   1274   1.1  mrg (define_insn ""
   1275   1.1  mrg   [(set (pc)
   1276   1.1  mrg 	(if_then_else
   1277   1.1  mrg 	 (lt (match_operand:SI 0 "nonimmediate_operand" "+g")
   1278   1.1  mrg 	     (match_operand:SI 1 "general_operand" "nrmT"))
   1279   1.1  mrg 	 (label_ref (match_operand 2 "" ""))
   1280   1.1  mrg 	 (pc)))
   1281   1.1  mrg    (set (match_dup 0)
   1282   1.1  mrg 	(plus:SI (match_dup 0)
   1283   1.1  mrg 		 (const_int 1)))]
   1284   1.1  mrg   "!TARGET_UNIX_ASM && CONST_INT_P (operands[1])"
   1285   1.1  mrg   "jaoblss %P1,%0,%l2")
   1286   1.1  mrg 
   1287   1.1  mrg (define_insn ""
   1288   1.1  mrg   [(set (pc)
   1289   1.1  mrg 	(if_then_else
   1290   1.1  mrg 	 (le (plus:SI (match_operand:SI 0 "nonimmediate_operand" "+g")
   1291   1.1  mrg 		      (const_int 1))
   1292   1.1  mrg 	     (match_operand:SI 1 "general_operand" "nrmT"))
   1293   1.1  mrg 	 (label_ref (match_operand 2 "" ""))
   1294   1.1  mrg 	 (pc)))
   1295   1.1  mrg    (set (match_dup 0)
   1296   1.1  mrg 	(plus:SI (match_dup 0)
   1297   1.1  mrg 		 (const_int 1)))]
   1298   1.1  mrg   "!TARGET_UNIX_ASM"
   1299   1.1  mrg   "jaobleq %1,%0,%l2")
   1300   1.1  mrg 
   1301   1.1  mrg (define_insn ""
   1302   1.1  mrg   [(set (pc)
   1303   1.1  mrg 	(if_then_else
   1304   1.1  mrg 	 (le (match_operand:SI 0 "nonimmediate_operand" "+g")
   1305   1.1  mrg 	     (match_operand:SI 1 "general_operand" "nrmT"))
   1306   1.1  mrg 	 (label_ref (match_operand 2 "" ""))
   1307   1.1  mrg 	 (pc)))
   1308   1.1  mrg    (set (match_dup 0)
   1309   1.1  mrg 	(plus:SI (match_dup 0)
   1310   1.1  mrg 		 (const_int 1)))]
   1311   1.1  mrg   "!TARGET_UNIX_ASM && CONST_INT_P (operands[1])"
   1312   1.1  mrg   "jaobleq %P1,%0,%l2")
   1313   1.1  mrg 
   1314   1.1  mrg ;; Something like a sob insn, but compares against -1.
   1315   1.1  mrg ;; This finds `while (foo--)' which was changed to `while (--foo != -1)'.
   1316   1.1  mrg 
   1317   1.1  mrg (define_insn ""
   1318   1.1  mrg   [(set (pc)
   1319   1.1  mrg 	(if_then_else
   1320   1.1  mrg 	 (ne (match_operand:SI 0 "nonimmediate_operand" "+g")
   1321   1.1  mrg 	     (const_int 0))
   1322   1.1  mrg 	 (label_ref (match_operand 1 "" ""))
   1323   1.1  mrg 	 (pc)))
   1324   1.1  mrg    (set (match_dup 0)
   1325   1.1  mrg 	(plus:SI (match_dup 0)
   1326   1.1  mrg 		 (const_int -1)))]
   1327   1.1  mrg   ""
   1328   1.1  mrg   "decl %0\;jgequ %l1")
   1329   1.1  mrg 
   1331   1.1  mrg (define_expand "call_pop"
   1332   1.1  mrg   [(parallel [(call (match_operand:QI 0 "memory_operand" "")
   1333   1.1  mrg 		    (match_operand:SI 1 "const_int_operand" ""))
   1334   1.1  mrg 	      (set (reg:SI VAX_SP_REGNUM)
   1335   1.1  mrg 		   (plus:SI (reg:SI VAX_SP_REGNUM)
   1336   1.1  mrg 			    (match_operand:SI 3 "immediate_operand" "")))])]
   1337   1.1  mrg   ""
   1338   1.1  mrg {
   1339   1.1  mrg   gcc_assert (INTVAL (operands[3]) <= 255 * 4 && INTVAL (operands[3]) % 4 == 0);
   1340   1.1  mrg 
   1341   1.1  mrg   /* Operand 1 is the number of bytes to be popped by DW_CFA_GNU_args_size
   1342   1.1  mrg      during EH unwinding.  We must include the argument count pushed by
   1343   1.1  mrg      the calls instruction.  */
   1344   1.1  mrg   operands[1] = GEN_INT (INTVAL (operands[3]) + 4);
   1345   1.1  mrg })
   1346   1.1  mrg 
   1347   1.1  mrg (define_insn "*call_pop"
   1348   1.1  mrg   [(call (match_operand:QI 0 "memory_operand" "m")
   1349   1.1  mrg 	 (match_operand:SI 1 "const_int_operand" "n"))
   1350   1.1  mrg    (set (reg:SI VAX_SP_REGNUM) (plus:SI (reg:SI VAX_SP_REGNUM)
   1351   1.1  mrg 					(match_operand:SI 2 "immediate_operand" "i")))]
   1352   1.1  mrg   ""
   1353   1.1  mrg {
   1354   1.1  mrg   operands[1] = GEN_INT ((INTVAL (operands[1]) - 4) / 4);
   1355   1.1  mrg   return "calls %1,%0";
   1356   1.1  mrg })
   1357   1.1  mrg 
   1358   1.1  mrg (define_expand "call_value_pop"
   1359   1.1  mrg   [(parallel [(set (match_operand 0 "" "")
   1360   1.1  mrg 		   (call (match_operand:QI 1 "memory_operand" "")
   1361   1.1  mrg 			 (match_operand:SI 2 "const_int_operand" "")))
   1362   1.1  mrg 	      (set (reg:SI VAX_SP_REGNUM)
   1363   1.1  mrg 		   (plus:SI (reg:SI VAX_SP_REGNUM)
   1364   1.1  mrg 			    (match_operand:SI 4 "immediate_operand" "")))])]
   1365   1.1  mrg   ""
   1366   1.1  mrg {
   1367   1.1  mrg   gcc_assert (INTVAL (operands[4]) <= 255 * 4 && INTVAL (operands[4]) % 4 == 0);
   1368   1.1  mrg 
   1369   1.1  mrg   /* Operand 2 is the number of bytes to be popped by DW_CFA_GNU_args_size
   1370   1.1  mrg      during EH unwinding.  We must include the argument count pushed by
   1371   1.1  mrg      the calls instruction.  */
   1372   1.1  mrg   operands[2] = GEN_INT (INTVAL (operands[4]) + 4);
   1373   1.1  mrg })
   1374   1.1  mrg 
   1375   1.1  mrg (define_insn "*call_value_pop"
   1376   1.1  mrg   [(set (match_operand 0 "" "")
   1377   1.1  mrg 	(call (match_operand:QI 1 "memory_operand" "m")
   1378   1.1  mrg 	      (match_operand:SI 2 "const_int_operand" "n")))
   1379   1.1  mrg    (set (reg:SI VAX_SP_REGNUM) (plus:SI (reg:SI VAX_SP_REGNUM)
   1380   1.1  mrg 					(match_operand:SI 3 "immediate_operand" "i")))]
   1381   1.1  mrg   ""
   1382   1.1  mrg   "*
   1383   1.1  mrg {
   1384   1.1  mrg   operands[2] = GEN_INT ((INTVAL (operands[2]) - 4) / 4);
   1385   1.3  mrg   return \"calls %2,%1\";
   1386   1.1  mrg }")
   1387   1.1  mrg 
   1388   1.1  mrg (define_expand "call"
   1389   1.1  mrg   [(call (match_operand:QI 0 "memory_operand" "")
   1390   1.1  mrg       (match_operand:SI 1 "const_int_operand" ""))]
   1391   1.1  mrg   ""
   1392   1.1  mrg   "
   1393   1.1  mrg {
   1394   1.1  mrg   /* Operand 1 is the number of bytes to be popped by DW_CFA_GNU_args_size
   1395   1.1  mrg      during EH unwinding.  We must include the argument count pushed by
   1396   1.1  mrg      the calls instruction.  */
   1397   1.1  mrg   operands[1] = GEN_INT (INTVAL (operands[1]) + 4);
   1398   1.1  mrg }")
   1399   1.1  mrg 
   1400   1.1  mrg (define_insn "*call"
   1401   1.1  mrg    [(call (match_operand:QI 0 "memory_operand" "m")
   1402   1.1  mrg 	  (match_operand:SI 1 "const_int_operand" ""))]
   1403   1.1  mrg   ""
   1404   1.1  mrg   "calls $0,%0")
   1405   1.1  mrg 
   1406   1.1  mrg (define_expand "call_value"
   1407   1.1  mrg   [(set (match_operand 0 "" "")
   1408   1.1  mrg       (call (match_operand:QI 1 "memory_operand" "")
   1409   1.1  mrg 	    (match_operand:SI 2 "const_int_operand" "")))]
   1410   1.1  mrg   ""
   1411   1.1  mrg   "
   1412   1.1  mrg {
   1413   1.1  mrg   /* Operand 2 is the number of bytes to be popped by DW_CFA_GNU_args_size
   1414   1.1  mrg      during EH unwinding.  We must include the argument count pushed by
   1415   1.1  mrg      the calls instruction.  */
   1416   1.1  mrg   operands[2] = GEN_INT (INTVAL (operands[2]) + 4);
   1417   1.1  mrg }")
   1418   1.1  mrg 
   1419   1.1  mrg (define_insn "*call_value"
   1420   1.1  mrg   [(set (match_operand 0 "" "")
   1421   1.1  mrg 	(call (match_operand:QI 1 "memory_operand" "m")
   1422   1.1  mrg 	      (match_operand:SI 2 "const_int_operand" "")))]
   1423   1.1  mrg   ""
   1424   1.1  mrg   "calls $0,%1")
   1425   1.1  mrg 
   1426   1.1  mrg ;; Call subroutine returning any type.
   1427   1.1  mrg 
   1428   1.1  mrg (define_expand "untyped_call"
   1429   1.1  mrg   [(parallel [(call (match_operand 0 "" "")
   1430   1.1  mrg 	      (const_int 0))
   1431   1.1  mrg 	      (match_operand 1 "" "")
   1432   1.1  mrg 	      (match_operand 2 "" "")])]
   1433   1.1  mrg   ""
   1434   1.1  mrg   "
   1435   1.1  mrg {
   1436   1.1  mrg   int i;
   1437   1.1  mrg 
   1438   1.1  mrg   emit_call_insn (gen_call_pop (operands[0], const0_rtx, NULL, const0_rtx));
   1439   1.1  mrg 
   1440   1.1  mrg   for (i = 0; i < XVECLEN (operands[2], 0); i++)
   1441   1.1  mrg     {
   1442   1.1  mrg       rtx set = XVECEXP (operands[2], 0, i);
   1443   1.1  mrg       emit_move_insn (SET_DEST (set), SET_SRC (set));
   1444   1.1  mrg     }
   1445   1.1  mrg 
   1446   1.3  mrg   /* The optimizer does not know that the call sets the function value
   1447   1.3  mrg      registers we stored in the result block.  We avoid problems by
   1448   1.3  mrg      claiming that all hard registers are used and clobbered at this
   1449   1.3  mrg      point.  */
   1450   1.3  mrg   emit_insn (gen_blockage ());
   1451   1.1  mrg 
   1452   1.1  mrg   DONE;
   1453   1.1  mrg }")
   1454   1.1  mrg 
   1455   1.1  mrg ;; UNSPEC_VOLATILE is considered to use and clobber all hard registers and
   1456   1.3  mrg ;; all of memory.  This blocks insns from being moved across this point.
   1457   1.3  mrg 
   1458   1.3  mrg (define_insn "blockage"
   1459   1.3  mrg   [(unspec_volatile [(const_int 0)] VUNSPEC_BLOCKAGE)]
   1460   1.3  mrg   ""
   1461   1.3  mrg   "")
   1462   1.3  mrg 
   1463   1.3  mrg (define_insn "procedure_entry_mask"
   1464   1.1  mrg   [(unspec_volatile [(match_operand 0 "const_int_operand")] VUNSPEC_PEM)]
   1465   1.1  mrg   ""
   1466   1.1  mrg   ".word %x0")
   1467   1.1  mrg 
   1468   1.1  mrg (define_insn "return"
   1469   1.1  mrg   [(return)]
   1470   1.1  mrg   ""
   1471   1.1  mrg   "ret")
   1472   1.1  mrg 
   1473   1.1  mrg (define_expand "prologue"
   1474   1.1  mrg   [(const_int 0)]
   1475   1.1  mrg   ""
   1476   1.1  mrg {
   1477   1.1  mrg   vax_expand_prologue ();
   1478   1.1  mrg   DONE;
   1479   1.1  mrg })
   1480   1.1  mrg 
   1481   1.1  mrg (define_expand "epilogue"
   1482   1.1  mrg   [(return)]
   1483   1.1  mrg   ""
   1484   1.1  mrg   "
   1485   1.1  mrg {
   1486   1.1  mrg   emit_jump_insn (gen_return ());
   1487   1.1  mrg   DONE;
   1488   1.1  mrg }")
   1489   1.1  mrg 
   1490   1.1  mrg (define_insn "nop"
   1491   1.1  mrg   [(const_int 0)]
   1492   1.1  mrg   ""
   1493   1.1  mrg   "nop")
   1494   1.1  mrg 
   1495   1.1  mrg ;; This had a wider constraint once, and it had trouble.
   1496   1.1  mrg ;; If you are tempted to try `g', please don't--it's not worth
   1497   1.1  mrg ;; the risk we will reopen the same bug.
   1498   1.1  mrg (define_insn "indirect_jump"
   1499   1.1  mrg   [(set (pc) (match_operand:SI 0 "register_operand" "r"))]
   1500   1.1  mrg   ""
   1501   1.1  mrg   "jmp (%0)")
   1502   1.1  mrg 
   1503   1.1  mrg ;; This is here to accept 5 arguments (as passed by expand_end_case)
   1504   1.1  mrg ;; and pass the first 4 along to the casesi1 pattern that really does
   1505   1.1  mrg ;; the actual casesi work.  We emit a jump here to the default label
   1506   1.1  mrg ;; _before_ the casesi so that we can be sure that the casesi never
   1507   1.1  mrg ;; drops through.
   1508   1.1  mrg ;; This is suboptimal perhaps, but so is much of the rest of this
   1509   1.1  mrg ;; machine description.  For what it's worth, HPPA uses the same trick.
   1510   1.1  mrg ;;
   1511   1.1  mrg ;; operand 0 is index
   1512   1.1  mrg ;; operand 1 is the minimum bound (a const_int)
   1513   1.1  mrg ;; operand 2 is the maximum bound - minimum bound + 1 (also a const_int)
   1514   1.1  mrg ;; operand 3 is CODE_LABEL for the table;
   1515   1.1  mrg ;; operand 4 is the CODE_LABEL to go to if index out of range (ie. default).
   1516   1.1  mrg ;;
   1517   1.1  mrg ;; We emit:
   1518   1.1  mrg ;;	i = index - minimum_bound
   1519   1.1  mrg ;;	if (i > (maximum_bound - minimum_bound + 1) goto default;
   1520   1.1  mrg ;;	casesi (i, 0, table);
   1521   1.1  mrg ;;
   1522   1.1  mrg (define_expand "casesi"
   1523   1.1  mrg   [(match_operand:SI 0 "general_operand" "")
   1524   1.1  mrg    (match_operand:SI 1 "general_operand" "")
   1525   1.1  mrg    (match_operand:SI 2 "general_operand" "")
   1526   1.1  mrg    (match_operand 3 "" "")
   1527   1.1  mrg    (match_operand 4 "" "")]
   1528   1.1  mrg   ""
   1529   1.1  mrg {
   1530   1.1  mrg   rtx test;
   1531   1.1  mrg 
   1532   1.1  mrg   /* i = index - minimum_bound;
   1533   1.1  mrg      But only if the lower bound is not already zero.  */
   1534   1.1  mrg   if (operands[1] != const0_rtx)
   1535   1.1  mrg     {
   1536   1.1  mrg       rtx index = gen_reg_rtx (SImode);
   1537   1.1  mrg       emit_insn (gen_addsi3 (index,
   1538   1.1  mrg 			     operands[0],
   1539   1.1  mrg 			     GEN_INT (-INTVAL (operands[1]))));
   1540   1.1  mrg       operands[0] = index;
   1541   1.1  mrg     }
   1542   1.1  mrg 
   1543   1.1  mrg   /* if (i > (maximum_bound - minimum_bound + 1)) goto default;  */
   1544   1.1  mrg   test = gen_rtx_fmt_ee (GTU, VOIDmode, operands[0], operands[2]);
   1545   1.1  mrg   emit_jump_insn (gen_cbranchsi4 (test, operands[0], operands[2], operands[4]));
   1546   1.1  mrg 
   1547   1.1  mrg   /* casesi (i, 0, table);  */
   1548   1.1  mrg   emit_jump_insn (gen_casesi1 (operands[0], operands[2], operands[3]));
   1549   1.1  mrg   DONE;
   1550   1.1  mrg })
   1551   1.1  mrg 
   1552   1.1  mrg ;; This insn is a bit of a lier.  It actually falls through if no case
   1553   1.1  mrg ;; matches.  But, we prevent that from ever happening by emitting a jump
   1554   1.1  mrg ;; before this, see the define_expand above.
   1555   1.1  mrg (define_insn "casesi1"
   1556   1.1  mrg   [(match_operand:SI 1 "const_int_operand" "n")
   1557   1.1  mrg    (set (pc)
   1558   1.1  mrg 	(plus:SI (sign_extend:SI
   1559   1.1  mrg 		  (mem:HI (plus:SI (mult:SI (match_operand:SI 0 "general_operand" "nrmT")
   1560   1.1  mrg 					    (const_int 2))
   1561   1.1  mrg 			  (pc))))
   1562   1.1  mrg 		 (label_ref:SI (match_operand 2 "" ""))))]
   1563   1.1  mrg   ""
   1564   1.1  mrg   "casel %0,$0,%1")
   1565   1.1  mrg 
   1567   1.1  mrg (define_insn "pushextsym"
   1568   1.1  mrg   [(set (match_operand:SI 0 "push_operand" "=g")
   1569   1.1  mrg 	(match_operand:SI 1 "external_symbolic_operand" "i"))]
   1570   1.1  mrg   ""
   1571   1.1  mrg   "pushab %a1")
   1572   1.1  mrg 
   1573   1.1  mrg (define_insn "movextsym"
   1574   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
   1575   1.1  mrg 	(match_operand:SI 1 "external_symbolic_operand" "i"))]
   1576   1.1  mrg   ""
   1577   1.1  mrg   "movab %a1,%0")
   1578   1.1  mrg 
   1579   1.1  mrg (define_insn "pushlclsym"
   1580   1.1  mrg   [(set (match_operand:SI 0 "push_operand" "=g")
   1581   1.1  mrg 	(match_operand:SI 1 "local_symbolic_operand" "i"))]
   1582   1.1  mrg   ""
   1583   1.1  mrg   "pushab %a1")
   1584   1.1  mrg 
   1585   1.1  mrg (define_insn "movlclsym"
   1586   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
   1587   1.1  mrg 	(match_operand:SI 1 "local_symbolic_operand" "i"))]
   1588   1.1  mrg   ""
   1589   1.1  mrg   "movab %a1,%0")
   1590   1.1  mrg 
   1592   1.1  mrg ;;- load or push effective address
   1593   1.1  mrg ;; These come after the move and add/sub patterns
   1594   1.1  mrg ;; because we don't want pushl $1 turned into pushad 1.
   1595   1.1  mrg ;; or addl3 r1,r2,r3 turned into movab 0(r1)[r2],r3.
   1596   1.1  mrg 
   1597   1.1  mrg ;; It does not work to use constraints to distinguish pushes from moves,
   1598   1.1  mrg ;; because < matches any autodecrement, not just a push.
   1599   1.1  mrg 
   1600   1.1  mrg (define_insn "pushaddr<mode>"
   1601   1.1  mrg   [(set (match_operand:SI 0 "push_operand" "=g")
   1602   1.1  mrg 	(match_operand:VAXintQHSD 1 "address_operand" "p"))]
   1603   1.1  mrg   ""
   1604   1.1  mrg   "pusha<VAXintQHSD:isfx> %a1")
   1605   1.1  mrg 
   1606   1.1  mrg (define_insn "movaddr<mode>"
   1607   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
   1608   1.1  mrg 	(match_operand:VAXintQHSD 1 "address_operand" "p"))]
   1609   1.1  mrg   ""
   1610   1.1  mrg   "mova<VAXintQHSD:isfx> %a1,%0")
   1611   1.1  mrg 
   1612   1.1  mrg (define_insn "pushaddr<mode>"
   1613   1.1  mrg   [(set (match_operand:SI 0 "push_operand" "=g")
   1614   1.1  mrg 	(match_operand:VAXfp 1 "address_operand" "p"))]
   1615   1.1  mrg   ""
   1616   1.1  mrg   "pusha<VAXfp:fsfx> %a1")
   1617   1.1  mrg 
   1618   1.1  mrg (define_insn "movaddr<mode>"
   1619   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=g")
   1620   1.1  mrg 	(match_operand:VAXfp 1 "address_operand" "p"))]
   1621   1.1  mrg   ""
   1622   1.1  mrg   "mova<VAXfp:fsfx> %a1,%0")
   1623   1.1  mrg 
   1625   1.1  mrg ;; These used to be peepholes, but it is more straightforward to do them
   1626   1.1  mrg ;; as single insns.  However, we must force the output to be a register
   1627   1.1  mrg ;; if it is not an offsettable address so that we know that we can assign
   1628   1.1  mrg ;; to it twice.
   1629   1.1  mrg 
   1630   1.1  mrg ;; If we had a good way of evaluating the relative costs, these could be
   1631   1.1  mrg ;; machine-independent.
   1632   1.1  mrg 
   1633   1.1  mrg ;; Optimize   extzv ...,z;    andl2 ...,z
   1634   1.1  mrg ;; or	      ashl ...,z;     andl2 ...,z
   1635   1.1  mrg ;; with other operands constant.  This is what the combiner converts the
   1636   1.1  mrg ;; above sequences to before attempting to recognize the new insn.
   1637   1.1  mrg 
   1638   1.1  mrg (define_insn ""
   1639   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=ro")
   1640   1.1  mrg 	(and:SI (ashiftrt:SI (match_operand:SI 1 "general_operand" "nrmT")
   1641   1.1  mrg 			     (match_operand:QI 2 "const_int_operand" "n"))
   1642   1.1  mrg 		(match_operand:SI 3 "const_int_operand" "n")))]
   1643   1.1  mrg   "(INTVAL (operands[3]) & ~((1 << (32 - INTVAL (operands[2]))) - 1)) == 0"
   1644   1.1  mrg   "*
   1645   1.1  mrg {
   1646   1.1  mrg   unsigned long mask1 = INTVAL (operands[3]);
   1647   1.1  mrg   unsigned long mask2 = (1 << (32 - INTVAL (operands[2]))) - 1;
   1648   1.1  mrg 
   1649   1.1  mrg   if ((mask1 & mask2) != mask1)
   1650   1.1  mrg     operands[3] = GEN_INT (mask1 & mask2);
   1651   1.1  mrg 
   1652   1.1  mrg   return \"rotl %R2,%1,%0\;bicl2 %N3,%0\";
   1653   1.1  mrg }")
   1654   1.1  mrg 
   1655   1.1  mrg ;; left-shift and mask
   1656   1.1  mrg ;; The only case where `ashl' is better is if the mask only turns off
   1657   1.1  mrg ;; bits that the ashl would anyways, in which case it should have been
   1658   1.1  mrg ;; optimized away.
   1659   1.1  mrg 
   1660   1.1  mrg (define_insn ""
   1661   1.1  mrg   [(set (match_operand:SI 0 "nonimmediate_operand" "=ro")
   1662   1.1  mrg 	(and:SI (ashift:SI (match_operand:SI 1 "general_operand" "nrmT")
   1663   1.1  mrg 			   (match_operand:QI 2 "const_int_operand" "n"))
   1664   1.1  mrg 		(match_operand:SI 3 "const_int_operand" "n")))]
   1665   1.1  mrg   ""
   1666   1.1  mrg   "*
   1667   1.1  mrg {
   1668   1.1  mrg   operands[3]
   1669   1.1  mrg     = GEN_INT (INTVAL (operands[3]) & ~((1 << INTVAL (operands[2])) - 1));
   1670   1.1  mrg   return \"rotl %2,%1,%0\;bicl2 %N3,%0\";
   1671   1.1  mrg }")
   1672   1.1  mrg 
   1673   1.1  mrg ;; Instruction sequence to sync the VAX instruction stream.
   1674   1.3  mrg (define_insn "sync_istream"
   1675   1.1  mrg   [(unspec_volatile [(const_int 0)] VUNSPEC_SYNC_ISTREAM)]
   1676   1.1  mrg   ""
   1677   1.1  mrg   "movpsl -(%|sp)\;pushal 1(%|pc)\;rei")
   1678   1.1  mrg 
   1679   1.1  mrg (define_expand "nonlocal_goto"
   1680   1.1  mrg   [(use (match_operand 0 "general_operand" ""))
   1681   1.1  mrg    (use (match_operand 1 "general_operand" ""))
   1682   1.1  mrg    (use (match_operand 2 "general_operand" ""))
   1683   1.1  mrg    (use (match_operand 3 "general_operand" ""))]
   1684   1.1  mrg   ""
   1685   1.1  mrg {
   1686   1.3  mrg   rtx lab = operands[1];
   1687   1.3  mrg   rtx stack = operands[2];
   1688   1.3  mrg   rtx fp = operands[3];
   1689   1.3  mrg 
   1690   1.3  mrg   emit_clobber (gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (VOIDmode)));
   1691   1.3  mrg   emit_clobber (gen_rtx_MEM (BLKmode, hard_frame_pointer_rtx));
   1692   1.3  mrg 
   1693   1.3  mrg   emit_move_insn (hard_frame_pointer_rtx, fp);
   1694   1.3  mrg   emit_stack_restore (SAVE_NONLOCAL, stack);
   1695   1.3  mrg 
   1696   1.3  mrg   emit_use (hard_frame_pointer_rtx);
   1697   1.3  mrg   emit_use (stack_pointer_rtx);
   1698   1.3  mrg 
   1699   1.3  mrg   /* We'll convert this to direct jump via a peephole optimization.  */
   1700   1.3  mrg   emit_indirect_jump (copy_to_reg (lab));
   1701   1.3  mrg   emit_barrier ();
   1702   1.3  mrg   DONE;
   1703   1.3  mrg })
   1704   1.3  mrg 
   1705   1.3  mrg (include "builtins.md")
   1706   1.3  mrg 
   1707   1.3  mrg (define_peephole2
   1708   1.3  mrg   [(set (match_operand:SI 0 "push_operand" "")
   1709   1.3  mrg         (const_int 0))
   1710   1.3  mrg    (set (match_dup 0)
   1711   1.3  mrg         (match_operand:SI 1 "const_int_operand" ""))]
   1712   1.3  mrg   "INTVAL (operands[1]) >= 0"
   1713   1.3  mrg   [(set (match_dup 0)
   1714   1.3  mrg         (match_dup 1))]
   1715   1.3  mrg   "operands[0] = gen_rtx_MEM(DImode, XEXP (operands[0], 0));")
   1716   1.3  mrg 
   1717   1.3  mrg (define_peephole2
   1718   1.3  mrg   [(set (match_operand:SI 0 "push_operand" "")
   1719   1.3  mrg         (match_operand:SI 1 "general_operand" ""))
   1720   1.3  mrg    (set (match_dup 0)
   1721   1.3  mrg         (match_operand:SI 2 "general_operand" ""))]
   1722   1.3  mrg   "vax_decomposed_dimode_operand_p (operands[2], operands[1])"
   1723   1.3  mrg   [(set (match_dup 0)
   1724   1.3  mrg         (match_dup 2))]
   1725   1.3  mrg   "{
   1726   1.3  mrg     operands[0] = gen_rtx_MEM(DImode, XEXP (operands[0], 0));
   1727   1.3  mrg     operands[2] = REG_P (operands[2])
   1728   1.3  mrg       ? gen_rtx_REG(DImode, REGNO (operands[2]))
   1729   1.3  mrg       : gen_rtx_MEM(DImode, XEXP (operands[2], 0));
   1730   1.3  mrg }")
   1731            
   1732            ; Leave this commented out until we can determine whether the second move
   1733            ; precedes a jump which relies on the CC flags being set correctly.
   1734            (define_peephole2
   1735              [(set (match_operand:SI 0 "nonimmediate_operand" "")
   1736                    (match_operand:SI 1 "general_operand" ""))
   1737               (set (match_operand:SI 2 "nonimmediate_operand" "")
   1738                    (match_operand:SI 3 "general_operand" ""))]
   1739              "0 && vax_decomposed_dimode_operand_p (operands[1], operands[3])
   1740               && vax_decomposed_dimode_operand_p (operands[0], operands[2])"
   1741              [(set (match_dup 0)
   1742                    (match_dup 1))]
   1743              "{
   1744                operands[0] = REG_P (operands[0])
   1745                  ? gen_rtx_REG(DImode, REGNO (operands[0]))
   1746                  : gen_rtx_MEM(DImode, XEXP (operands[0], 0));
   1747                operands[1] = REG_P (operands[1])
   1748                  ? gen_rtx_REG(DImode, REGNO (operands[1]))
   1749                  : gen_rtx_MEM(DImode, XEXP (operands[1], 0));
   1750            }")
   1751