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[Bug target/83252] [8 Regression] Wrong code with "-march=skylake-avx512 -O3"
- From: "vmakarov at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 07 Dec 2017 17:51:26 +0000
- Subject: [Bug target/83252] [8 Regression] Wrong code with "-march=skylake-avx512 -O3"
- Auto-submitted: auto-generated
- References: <bug-83252-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83252
--- Comment #14 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Thu Dec 7 17:50:54 2017
New Revision: 255471
URL: https://gcc.gnu.org/viewcvs?rev=255471&root=gcc&view=rev
Log:
2017-12-07 Vladimir Makarov <vmakarov@redhat.com>
PR target/83252
PR rtl-optimization/80818
* lra.c (add_regs_to_insn_regno_info): Make a hard reg in CLOBBER
always early clobbered.
* lra-lives.c (process_bb_lives): Check input hard regs for early
clobbered non-operand hard reg.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/lra-lives.c
trunk/gcc/lra.c