i386: Check red zone size in push peephole2
commit0e8298de0c19714faa0be58d09e2cf450136d8e7
authorhjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 13 Oct 2017 10:04:59 +0000 (13 10:04 +0000)
committerhjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 13 Oct 2017 10:04:59 +0000 (13 10:04 +0000)
tree444926911f61aeb31e73e71e49de485d44dfbdfb
parent0e87eeb6ed1c907703d16b8a21ab16eed7b0e2df
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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@253718 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/config/i386/i386.h
gcc/config/i386/i386.md
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.target/i386/pr82499-1.c [new file with mode: 0644]
gcc/testsuite/gcc.target/i386/pr82499-2.c [new file with mode: 0644]
gcc/testsuite/gcc.target/i386/pr82499-3.c [new file with mode: 0644]