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