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r253718 - in /trunk/gcc: ChangeLog config/i386/...


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


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