https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103802
Bug ID: 103802
Summary: [12 regression] recip-3.c fails after r12-6087 on
Power m32
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: luoxhu at gcc dot gnu.org
Target Milestone: ---
Invoking the compiler as /home/luoxhu/workspace/gcc-master_build/gcc/xgcc
-B/home/luoxhu/workspace/gcc-master_build/gcc/
/home/luoxhu/workspace/gcc-master/gcc/testsuite/gcc.dg/tree-ssa/recip-3.c
-fdiagnostics-plain-output -O1 -fno-trapping-math -funsafe-math-optimizations
-fdump-tree-recip -S -m32 -o recip-3.s
Executing on host: /home/luoxhu/workspace/gcc-master_build/gcc/xgcc
-B/home/luoxhu/workspace/gcc-master_build/gcc/
/home/luoxhu/workspace/gcc-master/gcc/testsuite/gcc.dg/tree-ssa/recip-3.c
-fdiagnostics-plain-output -O1 -fno-trapping-math -funsafe-math-optimizations
-fdump-tree-recip -S -m32 -o recip-3.s (timeout = 300)
gcc.dg/tree-ssa/recip-3.c: pattern found 3 times
FAIL: gcc.dg/tree-ssa/recip-3.c scan-tree-dump-times recip " / " 5
Reson is m32 fail to cunroll due to
recip-3.m32.c.172t.cunroll: Not unrolling loop 1: size would grow.
