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* [Bug target/101804] New: float_vector_all_ones_operand should be used more
@ 2021-08-06 19:14 hjl.tools at gmail dot com
2021-08-06 20:08 ` [Bug target/101804] " hjl.tools at gmail dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: hjl.tools at gmail dot com @ 2021-08-06 19:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101804
Bug ID: 101804
Summary: float_vector_all_ones_operand should be used more
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
CC: crazylht at gmail dot com
Target Milestone: ---
Target: i386,x86-64
Created attachment 51270
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51270&action=edit
A patch
float_vector_all_ones_operand should be used more.
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug target/101804] float_vector_all_ones_operand should be used more 2021-08-06 19:14 [Bug target/101804] New: float_vector_all_ones_operand should be used more hjl.tools at gmail dot com @ 2021-08-06 20:08 ` hjl.tools at gmail dot com 2021-08-10 4:42 ` cvs-commit at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: hjl.tools at gmail dot com @ 2021-08-06 20:08 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101804 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #51270|0 |1 is obsolete| | --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> --- Created attachment 51271 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51271&action=edit A patch ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/101804] float_vector_all_ones_operand should be used more 2021-08-06 19:14 [Bug target/101804] New: float_vector_all_ones_operand should be used more hjl.tools at gmail dot com 2021-08-06 20:08 ` [Bug target/101804] " hjl.tools at gmail dot com @ 2021-08-10 4:42 ` cvs-commit at gcc dot gnu.org 2021-10-06 23:40 ` hjl.tools at gmail dot com 2022-12-25 6:44 ` pinskia at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2021-08-10 4:42 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101804 --- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by H.J. Lu <hjl@gcc.gnu.org>: https://gcc.gnu.org/g:3d7ccbc1efbd475031a9a4a6110c531f71fbf631 commit r12-2829-g3d7ccbc1efbd475031a9a4a6110c531f71fbf631 Author: H.J. Lu <hjl.tools@gmail.com> Date: Fri Aug 6 12:32:01 2021 -0700 x86: Optimize load of const FP all bits set vectors Check float_vector_all_ones_operand for vector floating-point modes to optimize load of const floating-point all bits set vectors. gcc/ PR target/101804 * config/i386/constraints.md (BC): Document for integer SSE constant all bits set operand. (BF): New constraint for const floating-point all bits set vectors. * config/i386/i386.c (standard_sse_constant_p): Likewise. (standard_sse_constant_opcode): Likewise. * config/i386/sse.md (sseconstm1): New mode attribute. (mov<mode>_internal): Replace BC with <sseconstm1>. gcc/testsuite/ PR target/101804 * gcc.target/i386/avx2-gather-2.c: Pass -march=skylake instead of "-mavx2 -mtune=skylake". Scan vpcmpeqd. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/101804] float_vector_all_ones_operand should be used more 2021-08-06 19:14 [Bug target/101804] New: float_vector_all_ones_operand should be used more hjl.tools at gmail dot com 2021-08-06 20:08 ` [Bug target/101804] " hjl.tools at gmail dot com 2021-08-10 4:42 ` cvs-commit at gcc dot gnu.org @ 2021-10-06 23:40 ` hjl.tools at gmail dot com 2022-12-25 6:44 ` pinskia at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: hjl.tools at gmail dot com @ 2021-10-06 23:40 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101804 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|UNCONFIRMED |RESOLVED --- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> --- Fixed for GCC 12. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/101804] float_vector_all_ones_operand should be used more 2021-08-06 19:14 [Bug target/101804] New: float_vector_all_ones_operand should be used more hjl.tools at gmail dot com ` (2 preceding siblings ...) 2021-10-06 23:40 ` hjl.tools at gmail dot com @ 2022-12-25 6:44 ` pinskia at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu.org @ 2022-12-25 6:44 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101804 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |12.0 ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2022-12-25 6:44 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2021-08-06 19:14 [Bug target/101804] New: float_vector_all_ones_operand should be used more hjl.tools at gmail dot com 2021-08-06 20:08 ` [Bug target/101804] " hjl.tools at gmail dot com 2021-08-10 4:42 ` cvs-commit at gcc dot gnu.org 2021-10-06 23:40 ` hjl.tools at gmail dot com 2022-12-25 6:44 ` pinskia at gcc dot gnu.org
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