diff options
Diffstat (limited to 'gcc/config/arc/ieee-754/eqsf2.S')
| -rw-r--r-- | gcc/config/arc/ieee-754/eqsf2.S | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/gcc/config/arc/ieee-754/eqsf2.S b/gcc/config/arc/ieee-754/eqsf2.S new file mode 100644 index 00000000000..e1be9c225e8 --- /dev/null +++ b/gcc/config/arc/ieee-754/eqsf2.S @@ -0,0 +1,72 @@ +/* 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: z flag + clobber: r12, flags + For NaNs, bit 22 .. bit 30 must be set. */ +#if 0 /* DEBUG */ + .global __eqsf2 + .balign 4 + FUNC(__eqsf2) +__eqsf2: + 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 __eqsf2_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 __eqsf2_asm` ld.ab r10,[sp,4] + pop_s blink + breq.d r11,0,0f + ld.ab r11,[sp,4] + jne_s [blink] + bl abort +0: jeq_s [blink] + bl abort + ENDFUNC(__eqsf2) +#define __eqsf2 __eqsf2_asm +#endif /* DEBUG */ + /* Good performance as long as the binary difference is + well predictable (as seen from the branch predictor). */ + .global __eqsf2 + .balign 4 + HIDDEN_FUNC(__eqsf2) +__eqsf2: + breq r0, r1,.Lno_bdiff + or r12,r0,r1 + j_s.d [blink] + bmsk.f 0,r12,30 +.Lno_bdiff: + bmsk r12,r0,23 + add1.f r12,r12,r0 /* set c iff NaN; also, clear z if NaN. */ + j_s.d [blink] + cmp.cc r0,r1 + ENDFUNC(__eqsf2) |