This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug middle-end/54921] [4.8 Regression] wrong code with -Os -fno-omit-frame-pointer -fsched2-use-superblocks -fstack-protector -ftree-slp-vectorize
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 20 Nov 2012 08:34:51 +0000
- Subject: [Bug middle-end/54921] [4.8 Regression] wrong code with -Os -fno-omit-frame-pointer -fsched2-use-superblocks -fstack-protector -ftree-slp-vectorize
- Auto-submitted: auto-generated
- References: <bug-54921-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54921
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-11-20 08:34:51 UTC ---
Author: jakub
Date: Tue Nov 20 08:34:43 2012
New Revision: 193647
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193647
Log:
PR rtl-optimization/54921
* cselib.h (fp_setter_insn): New prototype.
* cselib.c (fp_setter_insn): New function.
(cselib_process_insn): If frame_pointer_needed,
call cselib_invalidate_rtx (stack_pointer_rtx) after
processing a frame pointer setter.
* var-tracking.c (fp_setter): Removed.
(vt_initialize): Use fp_setter_insn instead of fp_setter.
* gcc.dg/pr54921.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr54921.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cselib.c
trunk/gcc/cselib.h
trunk/gcc/testsuite/ChangeLog
trunk/gcc/var-tracking.c