diff options
Diffstat (limited to 'gcc-4.9/libgcc/config/arc/ieee-754/eqsf2.S')
-rw-r--r-- | gcc-4.9/libgcc/config/arc/ieee-754/eqsf2.S | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/arc/ieee-754/eqsf2.S b/gcc-4.9/libgcc/config/arc/ieee-754/eqsf2.S new file mode 100644 index 000000000..8a56132c1 --- /dev/null +++ b/gcc-4.9/libgcc/config/arc/ieee-754/eqsf2.S @@ -0,0 +1,69 @@ +/* Copyright (C) 2008-2014 Free Software Foundation, Inc. + Contributor: Joern Rennecke <joern.rennecke@embecosm.com> + on behalf of Synopsys 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 3, or (at your option) any later +version. + +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. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + +#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) |