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* [Bug target/100310] New: [AVX512] Missing support for v{,p}expand* instructions that w/o mask operands
@ 2021-04-28 8:35 crazylht at gmail dot com
2021-05-07 2:22 ` [Bug target/100310] " crazylht at gmail dot com
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: crazylht at gmail dot com @ 2021-04-28 8:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100310
Bug ID: 100310
Summary: [AVX512] Missing support for v{,p}expand* instructions
that w/o mask operands
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: crazylht at gmail dot com
CC: hjl.tools at gmail dot com
Target Milestone: ---
Create a separate bug from pr100267.
Also there's ICE for testcase
#include<immintrin.h>
__m512d
foo (double* src, __m512d a)
{
return _mm512_mask_expandloadu_pd (a, 255, src);
}
refer to https://godbolt.org/z/n9Pfxbnzb
It's introduces by my r11-5696-g35c4c67e6c534ef3d6ba7a7752ab7e0fbc91755b
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug target/100310] [AVX512] Missing support for v{,p}expand* instructions that w/o mask operands
2021-04-28 8:35 [Bug target/100310] New: [AVX512] Missing support for v{,p}expand* instructions that w/o mask operands crazylht at gmail dot com
@ 2021-05-07 2:22 ` crazylht at gmail dot com
2021-05-25 1:11 ` crazylht at gmail dot com
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: crazylht at gmail dot com @ 2021-05-07 2:22 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100310
--- Comment #1 from Hongtao.liu <crazylht at gmail dot com> ---
a patch is posted at
https://gcc.gnu.org/pipermail/gcc-patches/2021-April/569248.html
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug target/100310] [AVX512] Missing support for v{,p}expand* instructions that w/o mask operands
2021-04-28 8:35 [Bug target/100310] New: [AVX512] Missing support for v{,p}expand* instructions that w/o mask operands crazylht at gmail dot com
2021-05-07 2:22 ` [Bug target/100310] " crazylht at gmail dot com
@ 2021-05-25 1:11 ` crazylht at gmail dot com
2021-06-22 1:35 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: crazylht at gmail dot com @ 2021-05-25 1:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100310
--- Comment #2 from Hongtao.liu <crazylht at gmail dot com> ---
w/o mask operands, v{,p}expand* are equal to mov instructions.
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug target/100310] [AVX512] Missing support for v{,p}expand* instructions that w/o mask operands
2021-04-28 8:35 [Bug target/100310] New: [AVX512] Missing support for v{,p}expand* instructions that w/o mask operands crazylht at gmail dot com
2021-05-07 2:22 ` [Bug target/100310] " crazylht at gmail dot com
2021-05-25 1:11 ` crazylht at gmail dot com
@ 2021-06-22 1:35 ` cvs-commit at gcc dot gnu.org
2021-06-22 1:41 ` cvs-commit at gcc dot gnu.org
2021-06-22 1:48 ` crazylht at gmail dot com
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-06-22 1:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100310
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by hongtao Liu <liuhongt@gcc.gnu.org>:
https://gcc.gnu.org/g:b6efffa552cee6a20a58c91e5f41466c5715d73d
commit r12-1705-gb6efffa552cee6a20a58c91e5f41466c5715d73d
Author: liuhongt <hongtao.liu@intel.com>
Date: Wed Apr 28 14:52:59 2021 +0800
Fix ICE for vpexpand*.
gcc/ChangeLog
PR target/100310
* config/i386/i386-expand.c
(ix86_expand_special_args_builtin): Keep constm1_operand only
if it satisfies insn's operand predicate.
gcc/testsuite/ChangeLog
PR target/100310
* gcc.target/i386/pr100310.c: New test.
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug target/100310] [AVX512] Missing support for v{,p}expand* instructions that w/o mask operands
2021-04-28 8:35 [Bug target/100310] New: [AVX512] Missing support for v{,p}expand* instructions that w/o mask operands crazylht at gmail dot com
` (2 preceding siblings ...)
2021-06-22 1:35 ` cvs-commit at gcc dot gnu.org
@ 2021-06-22 1:41 ` cvs-commit at gcc dot gnu.org
2021-06-22 1:48 ` crazylht at gmail dot com
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-06-22 1:41 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100310
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by hongtao Liu
<liuhongt@gcc.gnu.org>:
https://gcc.gnu.org/g:d4175a5d9bb8fe0a62baeff748a18efe884c97c6
commit r11-8637-gd4175a5d9bb8fe0a62baeff748a18efe884c97c6
Author: liuhongt <hongtao.liu@intel.com>
Date: Wed Apr 28 14:52:59 2021 +0800
Fix ICE for vpexpand*.
gcc/ChangeLog
PR target/100310
* config/i386/i386-expand.c
(ix86_expand_special_args_builtin): Keep constm1_operand only
if it satisfies insn's operand predicate.
gcc/testsuite/ChangeLog
PR target/100310
* gcc.target/i386/pr100310.c: New test.
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug target/100310] [AVX512] Missing support for v{,p}expand* instructions that w/o mask operands
2021-04-28 8:35 [Bug target/100310] New: [AVX512] Missing support for v{,p}expand* instructions that w/o mask operands crazylht at gmail dot com
` (3 preceding siblings ...)
2021-06-22 1:41 ` cvs-commit at gcc dot gnu.org
@ 2021-06-22 1:48 ` crazylht at gmail dot com
4 siblings, 0 replies; 6+ messages in thread
From: crazylht at gmail dot com @ 2021-06-22 1:48 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100310
Hongtao.liu <crazylht at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|UNCONFIRMED |RESOLVED
--- Comment #5 from Hongtao.liu <crazylht at gmail dot com> ---
Fixed in GCC12 and GCC11.
^ permalink raw reply [flat|nested] 6+ messages in thread
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2021-04-28 8:35 [Bug target/100310] New: [AVX512] Missing support for v{,p}expand* instructions that w/o mask operands crazylht at gmail dot com
2021-05-07 2:22 ` [Bug target/100310] " crazylht at gmail dot com
2021-05-25 1:11 ` crazylht at gmail dot com
2021-06-22 1:35 ` cvs-commit at gcc dot gnu.org
2021-06-22 1:41 ` cvs-commit at gcc dot gnu.org
2021-06-22 1:48 ` crazylht at gmail dot com
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