[Bug middle-end/102857] New: [12 regression] r12-4526 caused regressions on vect/bb-slp-16.c and ssa-dom-thread-7.c
clyon at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed Oct 20 12:40:02 GMT 2021
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102857
Bug ID: 102857
Summary: [12 regression] r12-4526 caused regressions on
vect/bb-slp-16.c and ssa-dom-thread-7.c
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: clyon at gcc dot gnu.org
Target Milestone: ---
r12-4526 (g:d8edfadfc7a9795b65177a50ce44fd348858e844) caused regressions.
On aarch64 and arm-none-linux-gnueabihf with-arch armv7-a+mp+sec+neon-fp16
FAIL: gcc.dg/vect/bb-slp-16.c execution test
On both aarch64/arm
FAIL: gcc.dg/tree-ssa/ssa-dom-thread-7.c scan-tree-dump thread3 "Jumps
threaded: 12"
On arm-none-linux-gnueabihf --with-arch armv7-a+mp+sec+neon-fp16
FAIL: gcc.target/arm/ivopts-4.c object-size text <= 36
The last one is very fragile and depends on the actual target/flags.
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