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r206243 - in /trunk/gcc: ChangeLog config/i386/...


Author: jakub
Date: Mon Dec 30 08:53:10 2013
New Revision: 206243

URL: http://gcc.gnu.org/viewcvs?rev=206243&root=gcc&view=rev
Log:
	PR target/59501
	* config/i386/i386.c (ix86_save_reg): Don't return true for drap_reg
	if !crtl->stack_realign_needed.
	(ix86_finalize_stack_realign_flags): If drap_reg isn't live on entry
	and stack_realign_needed will be false, clear drap_reg and need_drap.
	Optimize leaf functions that don't need stack frame even if
	crtl->need_drap.

	* gcc.target/i386/pr59501-1.c: New test.
	* gcc.target/i386/pr59501-1a.c: New test.
	* gcc.target/i386/pr59501-2.c: New test.
	* gcc.target/i386/pr59501-2a.c: New test.
	* gcc.target/i386/pr59501-3.c: New test.
	* gcc.target/i386/pr59501-3a.c: New test.
	* gcc.target/i386/pr59501-4.c: New test.
	* gcc.target/i386/pr59501-4a.c: New test.
	* gcc.target/i386/pr59501-5.c: New test.
	* gcc.target/i386/pr59501-6.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr59501-1.c
    trunk/gcc/testsuite/gcc.target/i386/pr59501-1a.c
    trunk/gcc/testsuite/gcc.target/i386/pr59501-2.c
    trunk/gcc/testsuite/gcc.target/i386/pr59501-2a.c
    trunk/gcc/testsuite/gcc.target/i386/pr59501-3.c
    trunk/gcc/testsuite/gcc.target/i386/pr59501-3a.c
    trunk/gcc/testsuite/gcc.target/i386/pr59501-4.c
    trunk/gcc/testsuite/gcc.target/i386/pr59501-4a.c
    trunk/gcc/testsuite/gcc.target/i386/pr59501-5.c
    trunk/gcc/testsuite/gcc.target/i386/pr59501-6.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog


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