public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
* [Bug target/37157] New: [4.4 Regression] Wrong insn for _mm_unpackhi_epi64
@ 2008-08-19 1:10 hjl dot tools at gmail dot com
2008-08-19 1:26 ` [Bug target/37157] " hjl dot tools at gmail dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: hjl dot tools at gmail dot com @ 2008-08-19 1:10 UTC (permalink / raw)
To: gcc-bugs
[hjl@gnu-6 i386]$ cat x.c
/* { dg-do run } */
/* { dg-options "-O2 -msse2" } */
#include <emmintrin.h>
__m128i
__attribute__((noinline, unused))
test (__m128i s1, __m128i s2)
{
return _mm_unpackhi_epi64 (s1, s2);
}
[hjl@gnu-6 i386]$
/export/build/gnu/gcc-stack-internal/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc-stack-internal/build-x86_64-linux/gcc/ -O2 x.c -S
[hjl@gnu-6 i386]$ cat x.s
.file "x.c"
.text
.p2align 4,,15
.globl test
.type test, @function
test:
.LFB516:
shufpd $3, %xmm1, %xmm0
ret
Gcc 4.3 generates
test:
.LFB518:
punpckhqdq %xmm1, %xmm0
ret
--
Summary: [4.4 Regression] Wrong insn for _mm_unpackhi_epi64
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: hjl dot tools at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37157
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug target/37157] [4.4 Regression] Wrong insn for _mm_unpackhi_epi64 2008-08-19 1:10 [Bug target/37157] New: [4.4 Regression] Wrong insn for _mm_unpackhi_epi64 hjl dot tools at gmail dot com @ 2008-08-19 1:26 ` hjl dot tools at gmail dot com 2008-08-19 12:51 ` hjl at gcc dot gnu dot org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: hjl dot tools at gmail dot com @ 2008-08-19 1:26 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from hjl dot tools at gmail dot com 2008-08-19 01:25 ------- It may be caused by revision 138553. -- hjl dot tools at gmail dot com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rguenth at gcc dot gnu dot | |org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37157 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/37157] [4.4 Regression] Wrong insn for _mm_unpackhi_epi64 2008-08-19 1:10 [Bug target/37157] New: [4.4 Regression] Wrong insn for _mm_unpackhi_epi64 hjl dot tools at gmail dot com 2008-08-19 1:26 ` [Bug target/37157] " hjl dot tools at gmail dot com @ 2008-08-19 12:51 ` hjl at gcc dot gnu dot org 2008-08-19 15:49 ` hjl dot tools at gmail dot com 2008-08-24 22:50 ` pinskia at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: hjl at gcc dot gnu dot org @ 2008-08-19 12:51 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from hjl at gcc dot gnu dot org 2008-08-19 12:50 ------- Subject: Bug 37157 Author: hjl Date: Tue Aug 19 12:49:28 2008 New Revision: 139232 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=139232 Log: gcc/ 2008-08-19 H.J. Lu <hongjiu.lu@intel.com> PR target/37157 * config/i386/sse.md (sse2_punpckhqdq, sse2_punpcklqdq): Moved before (sse2_shufpd_<mode>). gcc/testsuite/ 2008-08-19 H.J. Lu <hongjiu.lu@intel.com> PR target/37157 * gcc.target/i386/sse2-unpack-1.c: New. Added: trunk/gcc/testsuite/gcc.target/i386/sse2-unpack-1.c Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/sse.md trunk/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37157 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/37157] [4.4 Regression] Wrong insn for _mm_unpackhi_epi64 2008-08-19 1:10 [Bug target/37157] New: [4.4 Regression] Wrong insn for _mm_unpackhi_epi64 hjl dot tools at gmail dot com 2008-08-19 1:26 ` [Bug target/37157] " hjl dot tools at gmail dot com 2008-08-19 12:51 ` hjl at gcc dot gnu dot org @ 2008-08-19 15:49 ` hjl dot tools at gmail dot com 2008-08-24 22:50 ` pinskia at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: hjl dot tools at gmail dot com @ 2008-08-19 15:49 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from hjl dot tools at gmail dot com 2008-08-19 15:48 ------- Fixed. -- hjl dot tools at gmail dot com changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37157 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/37157] [4.4 Regression] Wrong insn for _mm_unpackhi_epi64 2008-08-19 1:10 [Bug target/37157] New: [4.4 Regression] Wrong insn for _mm_unpackhi_epi64 hjl dot tools at gmail dot com ` (2 preceding siblings ...) 2008-08-19 15:49 ` hjl dot tools at gmail dot com @ 2008-08-24 22:50 ` pinskia at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu dot org @ 2008-08-24 22:50 UTC (permalink / raw) To: gcc-bugs -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |4.4.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37157 ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2008-08-24 22:50 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2008-08-19 1:10 [Bug target/37157] New: [4.4 Regression] Wrong insn for _mm_unpackhi_epi64 hjl dot tools at gmail dot com 2008-08-19 1:26 ` [Bug target/37157] " hjl dot tools at gmail dot com 2008-08-19 12:51 ` hjl at gcc dot gnu dot org 2008-08-19 15:49 ` hjl dot tools at gmail dot com 2008-08-24 22:50 ` pinskia at gcc dot gnu dot org
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).