[Bug target/110625] [14 Regression][AArch64] Vect: SLP fails to vectorize a loop as the reduction_latency calculated by new costs is too large

2023-12-30 Thread hliu at amperecomputing dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110625 --- Comment #26 from Hao Liu --- But for now, the patch should fix the regression.(In reply to Tamar Christina from comment #25) > Is still pretty inefficient due to all the extends. If we generate better > code here this may tip the scale

[Bug target/110625] [14 Regression][AArch64] Vect: SLP fails to vectorize a loop as the reduction_latency calculated by new costs is too large

2023-12-29 Thread tnfchris at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110625 Tamar Christina changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug target/110625] [14 Regression][AArch64] Vect: SLP fails to vectorize a loop as the reduction_latency calculated by new costs is too large

2023-12-29 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110625 --- Comment #24 from GCC Commits --- The master branch has been updated by Tamar Christina : https://gcc.gnu.org/g:984bdeaa39b6417b11736b2c167ef82119e272dc commit r14-6865-g984bdeaa39b6417b11736b2c167ef82119e272dc Author: Tamar Christina

[Bug target/110625] [14 Regression][AArch64] Vect: SLP fails to vectorize a loop as the reduction_latency calculated by new costs is too large

2023-12-26 Thread tnfchris at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110625 --- Comment #23 from Tamar Christina --- Found the costing bug and have a patch undergoing testing. Will post tomorrow. Sorry for the delay in fixing it.

[Bug target/110625] [14 Regression][AArch64] Vect: SLP fails to vectorize a loop as the reduction_latency calculated by new costs is too large

2023-12-12 Thread tnfchris at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110625 --- Comment #22 from Tamar Christina --- Bisected the remaining regression to: dd86a5a69cbda40cf76388a65d3317c91cb2b501 is the first bad commit commit dd86a5a69cbda40cf76388a65d3317c91cb2b501 Author: Richard Biener Date: Thu Jun 22 11:40:46

[Bug target/110625] [14 Regression][AArch64] Vect: SLP fails to vectorize a loop as the reduction_latency calculated by new costs is too large

2023-12-08 Thread tnfchris at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110625 Tamar Christina changed: What|Removed |Added Summary|[AArch64] Vect: SLP fails |[14 Regression][AArch64]