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* [Bug target/50155] New: [4.7 Regression] AVX2 support broke -mavx @ 2011-08-22 16:40 jakub at gcc dot gnu.org 2011-08-22 18:18 ` [Bug target/50155] " hjl.tools at gmail dot com ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: jakub at gcc dot gnu.org @ 2011-08-22 16:40 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50155 Bug #: 50155 Summary: [4.7 Regression] AVX2 support broke -mavx Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned@gcc.gnu.org ReportedBy: jakub@gcc.gnu.org CC: hjl.tools@gmail.com, uros@gcc.gnu.org void foo (int x, double *a, double *b, double c) { int i; for (i = 0; i < x; i++) *a++ = *b++ * i / c; } fails to assemble with -O3 -mavx -m64 on x86_64-linux (at least when using binutils that don't support AVX2). vpaddd %ymm6, %ymm1, %ymm5 is AFAIK an AVX2 insn, not AVX, yet it is emitted by the addv8si3 pattern (*<plusminus_insn><code>3 insn etc. was previously using VI_128 mode iterator, but now is using VI, guess it wants to use a mode iterator similar to VI, but which uses TARGET_AVX2 instead of TARGET_AVX guards for the 32 byte integer modes (VI_AVX2 or VI_1248_AVX2?)). ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/50155] [4.7 Regression] AVX2 support broke -mavx 2011-08-22 16:40 [Bug target/50155] New: [4.7 Regression] AVX2 support broke -mavx jakub at gcc dot gnu.org @ 2011-08-22 18:18 ` hjl.tools at gmail dot com 2011-08-22 18:56 ` kirill.yukhin at intel dot com ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: hjl.tools at gmail dot com @ 2011-08-22 18:18 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50155 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot |kirill.yukhin at intel dot |gnu.org |com Target Milestone|--- |4.7.0 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/50155] [4.7 Regression] AVX2 support broke -mavx 2011-08-22 16:40 [Bug target/50155] New: [4.7 Regression] AVX2 support broke -mavx jakub at gcc dot gnu.org 2011-08-22 18:18 ` [Bug target/50155] " hjl.tools at gmail dot com @ 2011-08-22 18:56 ` kirill.yukhin at intel dot com 2011-08-22 21:03 ` uros at gcc dot gnu.org 2011-08-22 21:28 ` ubizjak at gmail dot com 3 siblings, 0 replies; 5+ messages in thread From: kirill.yukhin at intel dot com @ 2011-08-22 18:56 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50155 --- Comment #1 from Yukhin Kirill <kirill.yukhin at intel dot com> 2011-08-22 18:52:40 UTC --- Hi, thanks, for investigation. Here is a patch: http://gcc.gnu.org/ml/gcc-patches/2011-08/msg01808.html K ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/50155] [4.7 Regression] AVX2 support broke -mavx 2011-08-22 16:40 [Bug target/50155] New: [4.7 Regression] AVX2 support broke -mavx jakub at gcc dot gnu.org 2011-08-22 18:18 ` [Bug target/50155] " hjl.tools at gmail dot com 2011-08-22 18:56 ` kirill.yukhin at intel dot com @ 2011-08-22 21:03 ` uros at gcc dot gnu.org 2011-08-22 21:28 ` ubizjak at gmail dot com 3 siblings, 0 replies; 5+ messages in thread From: uros at gcc dot gnu.org @ 2011-08-22 21:03 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50155 --- Comment #2 from uros at gcc dot gnu.org 2011-08-22 21:01:51 UTC --- Author: uros Date: Mon Aug 22 21:01:46 2011 New Revision: 177974 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=177974 Log: PR target/50155 * config/i386/sse.md (VI_AVX2): New. (<plusminus_insn><mode>3): Use VI_AVX2 mode iterator. (*<plusminus_insn><mode>3): Ditto. (<sse2_avx2>_andnot<mode>3): Ditto. (*andnot<mode>3): Fix order of cond operands. Add asserts for correct TARGET_xxx. (*<any_logic:code><mode>3): Ditto. testsuite/ChangeLog: PR target/50155 * gcc.target/i386/pr50155.c: New test. Added: trunk/gcc/testsuite/gcc.target/i386/pr50155.c Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/sse.md trunk/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/50155] [4.7 Regression] AVX2 support broke -mavx 2011-08-22 16:40 [Bug target/50155] New: [4.7 Regression] AVX2 support broke -mavx jakub at gcc dot gnu.org ` (2 preceding siblings ...) 2011-08-22 21:03 ` uros at gcc dot gnu.org @ 2011-08-22 21:28 ` ubizjak at gmail dot com 3 siblings, 0 replies; 5+ messages in thread From: ubizjak at gmail dot com @ 2011-08-22 21:28 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50155 Uros Bizjak <ubizjak at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |x86-avx Status|UNCONFIRMED |RESOLVED URL| |http://gcc.gnu.org/ml/gcc-p | |atches/2011-08/msg01834.htm | |l Resolution| |FIXED --- Comment #3 from Uros Bizjak <ubizjak at gmail dot com> 2011-08-22 21:14:59 UTC --- Fixed. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2011-08-22 21:15 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2011-08-22 16:40 [Bug target/50155] New: [4.7 Regression] AVX2 support broke -mavx jakub at gcc dot gnu.org 2011-08-22 18:18 ` [Bug target/50155] " hjl.tools at gmail dot com 2011-08-22 18:56 ` kirill.yukhin at intel dot com 2011-08-22 21:03 ` uros at gcc dot gnu.org 2011-08-22 21:28 ` ubizjak at gmail dot com
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