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[Bug target/44534] _builtin_ia32_vextractf128_si256(X,N) acts as if N was always set to 1.
- From: "hjl at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Jun 2010 17:46:29 -0000
- Subject: [Bug target/44534] _builtin_ia32_vextractf128_si256(X,N) acts as if N was always set to 1.
- References: <bug-44534-19317@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from hjl at gcc dot gnu dot org 2010-06-14 17:46 -------
Subject: Bug 44534
Author: hjl
Date: Mon Jun 14 17:46:12 2010
New Revision: 160757
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=160757
Log:
Replace 0x1 with 0x0 in AVX vec_extract_lo_* patterns.
gcc/
2010-06-14 H.J. Lu <hongjiu.lu@intel.com>
Backport from mainline
2010-06-14 H.J. Lu <hongjiu.lu@intel.com>
PR target/44534
* config/i386/sse.md (vec_extract_lo_<mode>): Replace 0x1 with
0x0.
(vec_extract_lo_v16hi): Likewise.
(vec_extract_lo_v32qi): Likewise.
gcc/testsuite/
2010-06-14 H.J. Lu <hongjiu.lu@intel.com>
Backport from mainline
2010-06-14 H.J. Lu <hongjiu.lu@intel.com>
PR target/44534
* gcc.target/i386/avx-vextractf128-256-3.c: New.
* gcc.target/i386/avx-vextractf128-256-4.c: Likewise.
Added:
branches/gcc-4_5-branch/gcc/testsuite/gcc.target/i386/avx-vextractf128-256-3.c
branches/gcc-4_5-branch/gcc/testsuite/gcc.target/i386/avx-vextractf128-256-4.c
Modified:
branches/gcc-4_5-branch/gcc/ChangeLog
branches/gcc-4_5-branch/gcc/config/i386/sse.md
branches/gcc-4_5-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44534