diff options
Diffstat (limited to 'gcc/config/arc/ieee-754/gtsf2.S')
| -rw-r--r-- | gcc/config/arc/ieee-754/gtsf2.S | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/gcc/config/arc/ieee-754/gtsf2.S b/gcc/config/arc/ieee-754/gtsf2.S new file mode 100644 index 00000000000..c3d65f3220a --- /dev/null +++ b/gcc/config/arc/ieee-754/gtsf2.S @@ -0,0 +1,78 @@ +/* Copyright 2008 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +In addition to the permissions in the GNU General Public License, the +Free Software Foundation gives you unlimited permission to link the +compiled version of this file into combinations with other programs, +and to distribute those combinations without any restriction coming +from the use of this file. (The General Public License restrictions +do apply in other respects; for example, they cover modification of +the file, and distribution when not linked into a combine +executable.) + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + +#include "arc-ieee-754.h" +/* inputs: r0, r1 + output: c, z flags to be used for 'hi' condition + clobber: r12,flags */ +/* For NaNs, bit 22.. bit 30 must be set. */ +#if 0 /* DEBUG */ + .global __gtsf2 + .balign 4 + FUNC(__gtsf2) +__gtsf2: + st.a r11,[sp,-4]` push_s blink` st.a r10,[sp,-4]` st.a r9,[sp,-4] + st.a r8,[sp,-4]` st.a r7,[sp,-4]` st.a r6,[sp,-4]` st.a r5,[sp,-4] + st.a r4,[sp,-4]` push_s r3` push_s r2` push_s r1` + bl.d __gtsf2_c` push_s r0 + mov r11,r0` pop_s r0` pop_s r1` pop_s r2` pop_s r3 + ld.ab r4,[sp,4]` ld.ab r5,[sp,4]` ld.ab r6,[sp,4]` + ld.ab r7,[sp,4]` ld.ab r8,[sp,4]` ld.ab r9,[sp,4] + bl.d __gtsf2_asm` ld.ab r10,[sp,4] + pop_s blink + brgt.d r11,0,0f + ld.ab r11,[sp,4] + jls [blink] + bl abort +0: jhi [blink] + bl abort + ENDFUNC(__gtsf2) +#define __gtsf2 __gtsf2_asm +#endif /* DEBUG */ + .global __gtsf2 + .balign 4 + HIDDEN_FUNC(__gtsf2) +__gtsf2: + or.f r12,r0,r1 + bmi.d .Lneg + bmsk_s r12,r12,23 + add1.f 0,r12,r0 ; check for NaN + add1.cc.f r12,r12,r1 + j_s.d [blink] + cmp.cc r0,r1 + .balign 4 +.Lneg: breq.d r0,0,.L0 + add1.f 0,r12,r0 ; check for NaN + add1.cc.f r12,r12,r1 + j_s.d [blink] + cmp.cc r1,r0 + .balign 4 +.L0: bxor.f 0,r1,31 ; check for -0 + j_s.d [blink] + cmp.hi r1,r0 + ENDFUNC(__gtsf2) |