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[Bug optimization/11936] [3.4 Regresion] cannot find a register while reloading `asm'
- From: "janis187 at us dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 29 Aug 2003 19:58:54 -0000
- Subject: [Bug optimization/11936] [3.4 Regresion] cannot find a register while reloading `asm'
- References: <20030815231217.11936.poschmid@lbl.gov>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11936
janis187 at us dot ibm dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |joern dot rennecke at superh
| |dot com
------- Additional Comments From janis187 at us dot ibm dot com 2003-08-29 19:58 -------
The regression in PR 11936 was introduced or exposed by this patch:
--- gcc/gcc/ChangeLog ---
2003-04-16 J"orn Rennecke <joern.rennecke@superh.com>
Re-apply this patch:
2002-05-16 Dale Johannesen <dalej@apple.com>
* combine.c (cant_combine_insn_p): Reenable combinations
involving hard regs unless CLASS_LIKELY_SPILLED_P.
The regression hunt took place on i686-pc-linux-gnu using Andrew's
simpler test case from comment #3 compiled with -O2.