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[Bug target/39002] codegen bug, stack pointer is not restored
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 29 Jan 2009 08:05:30 -0000
- Subject: [Bug target/39002] codegen bug, stack pointer is not restored
- References: <bug-39002-11564@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #14 from ubizjak at gmail dot com 2009-01-29 08:05 -------
Cc the author of the patch:
Author: hubicka
Date: Tue Jan 6 15:08:44 2009
New Revision: 143119
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143119
Log:
* i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used for w64 ABI.
* i386.c (struct ix86_frame): Add padding0 and nsseregs.
(ix86_nsaved_regs): Count only general purpose regs.
(ix86_nsaved_sseregs): New.
(ix86_compute_frame_layout): Update nsseregs; set preferred alignment
to 16 for w64; compute padding and size of sse reg save area.
(ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only general
purpose regs.
(ix86_emit_save_sse_regs_using_mov): New.
(ix86_expand_prologue): Save SSE regs if needed.
(ix86_emit_restore_regs_using_mov): Use only general purpose regs.
(ix86_emit_restore_sse_regs_using_mov): New.
(ix86_expand_epilogue): Save SSE regs if needed.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.c
trunk/gcc/config/i386/i386.h
--
ubizjak at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hubicka at gcc dot gnu dot
| |org
Status|WAITING |NEW
Component|c++ |target
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2009-01-29 08:05:29
date| |
Summary|codegen bug? |codegen bug, stack pointer
| |is not restored
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39002