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[Bug target/44199] ppc64 glibc miscompilation
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 26 May 2010 06:01:14 -0000
- Subject: [Bug target/44199] ppc64 glibc miscompilation
- References: <bug-44199-87@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #18 from jakub at gcc dot gnu dot org 2010-05-26 06:01 -------
Subject: Bug 44199
Author: jakub
Date: Wed May 26 06:00:44 2010
New Revision: 159853
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=159853
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:
trunk/gcc/ChangeLog
trunk/gcc/config/rs6000/rs6000.c
trunk/gcc/config/rs6000/rs6000.md
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44199