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[Bug target/65787] [5 Regression] Miscompile due to bad vector swap optimization for little endian
- From: "wschmidt at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 17 Apr 2015 20:36:31 +0000
- Subject: [Bug target/65787] [5 Regression] Miscompile due to bad vector swap optimization for little endian
- Auto-submitted: auto-generated
- References: <bug-65787-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65787
--- Comment #8 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Author: wschmidt
Date: Fri Apr 17 20:35:59 2015
New Revision: 222198
URL: https://gcc.gnu.org/viewcvs?rev=222198&root=gcc&view=rev
Log:
2015-04-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR target/65787
* config/rs6000/rs6000.c (rtx_is_swappable_p): Remove previous
fix; ensure that a subsequent SH_NONE operand does not overwrite
an existing *special value.
Modified:
branches/gcc-5-branch/gcc/ChangeLog
branches/gcc-5-branch/gcc/config/rs6000/rs6000.c