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[Bug target/27842] Miscompile of Altivec vec_abs (float) inside loop
- From: "uweigand at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Jun 2006 17:05:38 -0000
- Subject: [Bug target/27842] Miscompile of Altivec vec_abs (float) inside loop
- References: <bug-27842-1501@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from uweigand at gcc dot gnu dot org 2006-06-06 17:05 -------
Subject: Bug 27842
Author: uweigand
Date: Tue Jun 6 17:04:56 2006
New Revision: 114439
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=114439
Log:
PR target/27842
* config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
V4SImode temporaries and operations instead.
PR target/27842
* gcc.dg/vmx/pr27842.c: New test.
Added:
branches/gcc-4_1-branch/gcc/testsuite/gcc.dg/vmx/pr27842.c
Modified:
branches/gcc-4_1-branch/gcc/ChangeLog
branches/gcc-4_1-branch/gcc/config/rs6000/altivec.md
branches/gcc-4_1-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27842