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[Bug target/81300] -fpeephole2 breaks __builtin_ia32_sbb_u64, _subborrow_u64 on AMD64
- From: "uros at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 14 Jul 2017 05:36:28 +0000
- Subject: [Bug target/81300] -fpeephole2 breaks __builtin_ia32_sbb_u64, _subborrow_u64 on AMD64
- Auto-submitted: auto-generated
- References: <bug-81300-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81300
--- Comment #4 from uros at gcc dot gnu.org ---
Author: uros
Date: Fri Jul 14 05:30:58 2017
New Revision: 250196
URL: https://gcc.gnu.org/viewcvs?rev=250196&root=gcc&view=rev
Log:
Backport from mainline
2017-07-10 Uros Bizjak <ubizjak@gmail.com>
PR target/81375
* config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
(rcpps): Ditto.
(*rsqrtsf2_sse): Ditto.
(rsqrtsf2): Ditto.
(div<mode>3): Macroize insn from divdf3 and divsf3
using MODEF mode iterator.
Backport from mainline
2017-07-04 Uros Bizjak <ubizjak@gmail.com>
PR target/81300
* config/i386/i386.md (setcc + movzbl/and to xor + setcc peepholes):
Require dead FLAGS_REG at the beginning of a peephole.
testsuite/ChangeLog:
Backport from mainline
2017-07-10 Uros Bizjak <ubizjak@gmail.com>
PR target/81375
* gcc.target/i386/pr81375.c: New test.
Backport from mainline
2017-07-04 Uros Bizjak <ubizjak@gmail.com>
PR target/81300
* gcc.target/i386/pr81300.c: New test.
Added:
branches/gcc-6-branch/gcc/testsuite/gcc.target/i386/pr81300.c
branches/gcc-6-branch/gcc/testsuite/gcc.target/i386/pr81375.c
Modified:
branches/gcc-6-branch/gcc/ChangeLog
branches/gcc-6-branch/gcc/config/i386/i386.md
branches/gcc-6-branch/gcc/testsuite/ChangeLog