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[Bug target/82499] x86: small stack initial adjustments could use push
- From: "hjl at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 13 Oct 2017 10:05:30 +0000
- Subject: [Bug target/82499] x86: small stack initial adjustments could use push
- Auto-submitted: auto-generated
- References: <bug-82499-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82499
--- Comment #4 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> ---
Author: hjl
Date: Fri Oct 13 10:04:59 2017
New Revision: 253718
URL: https://gcc.gnu.org/viewcvs?rev=253718&root=gcc&view=rev
Log:
i386: Check red zone size in push peephole2
Check red zone size, instead of if red zone is available, in push
peephole2s.
gcc/
PR target/82499
* config/i386/i386.h (ix86_red_zone_size): New.
* config/i386/i386.md (push peephole2s): Replace
"!ix86_using_red_zone ()" with "ix86_red_zone_size == 0".
gcc/testsuite/
PR target/82499
* gcc.target/i386/pr82499-1.c: New file.
* gcc.target/i386/pr82499-2.c: Likewise.
* gcc.target/i386/pr82499-3.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr82499-1.c
trunk/gcc/testsuite/gcc.target/i386/pr82499-2.c
trunk/gcc/testsuite/gcc.target/i386/pr82499-3.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.h
trunk/gcc/config/i386/i386.md
trunk/gcc/testsuite/ChangeLog