r159855 - in /branches/gcc-4_4-branch/gcc: Chan...

[jakub@gcc.gnu.org]

Author: jakub
Date: Wed May 26 06:05:29 2010
New Revision: 159855

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=159855
Log:
	PR target/44199
	* config/rs6000/rs6000.c (rs6000_emit_epilogue): If cfun->calls_alloca
	or total_size is larger than red zone size for non-V4 ABI, emit a
	stack_tie resp. frame_tie insn before stack pointer restore.
	* config/rs6000/rs6000.md (frame_tie): New insn.

Modified:
    branches/gcc-4_4-branch/gcc/ChangeLog
    branches/gcc-4_4-branch/gcc/config/rs6000/rs6000.c
    branches/gcc-4_4-branch/gcc/config/rs6000/rs6000.md