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* [Bug tree-optimization/104240] New: SLP discovery does not consider swapping comparisons
@ 2022-01-26 12:43 rguenth at gcc dot gnu.org
2022-01-26 12:44 ` [Bug tree-optimization/104240] " rguenth at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-01-26 12:43 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104240
Bug ID: 104240
Summary: SLP discovery does not consider swapping comparisons
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: rguenth at gcc dot gnu.org
Target Milestone: ---
The following testcase is not vectorized because of a < vs > operation
mismatch.
void foo (int *c, float *x, float *y)
{
c[0] = x[0] < y[0];
c[1] = y[1] > x[1];
c[2] = x[2] < y[2];
c[3] = x[3] < y[3];
}
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug tree-optimization/104240] SLP discovery does not consider swapping comparisons 2022-01-26 12:43 [Bug tree-optimization/104240] New: SLP discovery does not consider swapping comparisons rguenth at gcc dot gnu.org @ 2022-01-26 12:44 ` rguenth at gcc dot gnu.org 2022-01-26 12:45 ` rguenth at gcc dot gnu.org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2022-01-26 12:44 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104240 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org Blocks| |53947 Depends on| |103941 Keywords| |missed-optimization Status|UNCONFIRMED |ASSIGNED Ever confirmed|0 |1 Last reconfirmed| |2022-01-26 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- I have a patch. Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 [Bug 53947] [meta-bug] vectorizer missed-optimizations https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103941 [Bug 103941] uavgv2qi3_ceil is not used (SLP costing and patterns vs live stmts) ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/104240] SLP discovery does not consider swapping comparisons 2022-01-26 12:43 [Bug tree-optimization/104240] New: SLP discovery does not consider swapping comparisons rguenth at gcc dot gnu.org 2022-01-26 12:44 ` [Bug tree-optimization/104240] " rguenth at gcc dot gnu.org @ 2022-01-26 12:45 ` rguenth at gcc dot gnu.org 2022-04-19 14:44 ` rguenth at gcc dot gnu.org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2022-01-26 12:45 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104240 --- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- Created attachment 52292 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52292&action=edit untested patch With this patch we then run into PR103941. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/104240] SLP discovery does not consider swapping comparisons 2022-01-26 12:43 [Bug tree-optimization/104240] New: SLP discovery does not consider swapping comparisons rguenth at gcc dot gnu.org 2022-01-26 12:44 ` [Bug tree-optimization/104240] " rguenth at gcc dot gnu.org 2022-01-26 12:45 ` rguenth at gcc dot gnu.org @ 2022-04-19 14:44 ` rguenth at gcc dot gnu.org 2022-05-02 11:17 ` cvs-commit at gcc dot gnu.org 2022-05-02 11:17 ` rguenth at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2022-04-19 14:44 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104240 Bug 104240 depends on bug 103941, which changed state. Bug 103941 Summary: uavgv2qi3_ceil is not used (SLP costing and patterns vs live stmts) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103941 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/104240] SLP discovery does not consider swapping comparisons 2022-01-26 12:43 [Bug tree-optimization/104240] New: SLP discovery does not consider swapping comparisons rguenth at gcc dot gnu.org ` (2 preceding siblings ...) 2022-04-19 14:44 ` rguenth at gcc dot gnu.org @ 2022-05-02 11:17 ` cvs-commit at gcc dot gnu.org 2022-05-02 11:17 ` rguenth at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2022-05-02 11:17 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104240 --- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>: https://gcc.gnu.org/g:41e3db05d697405256b6002d8432955a93d249f1 commit r13-71-g41e3db05d697405256b6002d8432955a93d249f1 Author: Richard Biener <rguenther@suse.de> Date: Mon May 2 12:01:51 2022 +0200 tree-optimization/104240 - SLP discovery with swapped comparisons The following extends SLP discovery to handle swapped operands in comparisons. 2022-05-02 Richard Biener <rguenther@suse.de> PR tree-optimization/104240 * tree-vect-slp.cc (op1_op0_map): New. (vect_get_operand_map): Handle compares. (vect_build_slp_tree_1): Support swapped operands for tcc_comparison. * gcc.dg/vect/bb-slp-pr104240.c: New testcase. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/104240] SLP discovery does not consider swapping comparisons 2022-01-26 12:43 [Bug tree-optimization/104240] New: SLP discovery does not consider swapping comparisons rguenth at gcc dot gnu.org ` (3 preceding siblings ...) 2022-05-02 11:17 ` cvs-commit at gcc dot gnu.org @ 2022-05-02 11:17 ` rguenth at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2022-05-02 11:17 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104240 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|ASSIGNED |RESOLVED --- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- Fixed. ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2022-05-02 11:17 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2022-01-26 12:43 [Bug tree-optimization/104240] New: SLP discovery does not consider swapping comparisons rguenth at gcc dot gnu.org 2022-01-26 12:44 ` [Bug tree-optimization/104240] " rguenth at gcc dot gnu.org 2022-01-26 12:45 ` rguenth at gcc dot gnu.org 2022-04-19 14:44 ` rguenth at gcc dot gnu.org 2022-05-02 11:17 ` cvs-commit at gcc dot gnu.org 2022-05-02 11:17 ` rguenth at gcc dot gnu.org
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