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      1 /* Copyright (C) 2008-2024 Free Software Foundation, Inc.
      2    Contributor: Joern Rennecke <joern.rennecke (at) embecosm.com>
      3 		on behalf of Synopsys Inc.
      4 
      5 This file is part of GCC.
      6 
      7 GCC is free software; you can redistribute it and/or modify it under
      8 the terms of the GNU General Public License as published by the Free
      9 Software Foundation; either version 3, or (at your option) any later
     10 version.
     11 
     12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
     13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
     14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
     15 for more details.
     16 
     17 Under Section 7 of GPL version 3, you are granted additional
     18 permissions described in the GCC Runtime Library Exception, version
     19 3.1, as published by the Free Software Foundation.
     20 
     21 You should have received a copy of the GNU General Public License and
     22 a copy of the GCC Runtime Library Exception along with this program;
     23 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     24 <http://www.gnu.org/licenses/>.  */
     25 
     26 #include "arc-ieee-754.h"
     27 /* inputs: r0, r1
     28    output: c, z flags to be used for 'hi' condition
     29    clobber: r12,flags  */
     30 /* For NaNs, bit 22.. bit 30 must be set.  */
     31 #if 0 /* DEBUG */
     32 	.global __gtsf2
     33 	.balign 4
     34 	FUNC(__gtsf2)
     35 __gtsf2:
     36 	st.a r11,[sp,-4]` push_s blink` st.a r10,[sp,-4]` st.a r9,[sp,-4]
     37 	st.a r8,[sp,-4]` st.a r7,[sp,-4]` st.a r6,[sp,-4]` st.a r5,[sp,-4]
     38 	st.a r4,[sp,-4]` push_s r3` push_s r2` push_s r1`
     39 	bl.d __gtsf2_c` push_s r0
     40 	mov r11,r0` pop_s r0` pop_s r1` pop_s r2` pop_s r3
     41 	ld.ab r4,[sp,4]` ld.ab r5,[sp,4]` ld.ab r6,[sp,4]`
     42 	ld.ab r7,[sp,4]` ld.ab r8,[sp,4]` ld.ab r9,[sp,4]
     43 	bl.d __gtsf2_asm` ld.ab r10,[sp,4]
     44 	pop_s blink
     45 	brgt.d r11,0,0f
     46 	ld.ab r11,[sp,4]
     47 	jls [blink]
     48 	bl abort
     49 0:	jhi [blink]
     50 	bl abort
     51 	ENDFUNC(__gtsf2)
     52 #define __gtsf2 __gtsf2_asm
     53 #endif /* DEBUG */
     54 	.global __gtsf2
     55 	.balign	4
     56 	HIDDEN_FUNC(__gtsf2)
     57 __gtsf2:
     58 	or.f	r12,r0,r1
     59 	bmi.d	.Lneg
     60 	bmsk_s	r12,r12,23
     61 	add1.f	0,r12,r0 ; check for NaN
     62 	add1.cc.f r12,r12,r1
     63 	j_s.d	[blink]
     64 	cmp.cc	r0,r1
     65 	.balign	4
     66 .Lneg:	breq.d	r0,0,.L0
     67 	add1.f	0,r12,r0 ; check for NaN
     68 	add1.cc.f r12,r12,r1
     69 	j_s.d	[blink]
     70 	cmp.cc r1,r0
     71 	.balign	4
     72 .L0:	bxor.f	0,r1,31 ; check for -0
     73 	j_s.d	[blink]
     74 	cmp.hi	r1,r0
     75 	ENDFUNC(__gtsf2)
     76