https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78210
Bug ID: 78210
Summary: [7 regression] slsr-8.c scan-tree-dump-times optimized
fails
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: clyon at gcc dot gnu.org
Target Milestone: ---
Target: aarch64
Created attachment 39963
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39963&action=edit
fdump-tree-slsr-details
Since r241695,
gcc.dg/tree-ssa/slsr-8.c scan-tree-dump-times optimized " \\* " 9
fails on aarch64.
The generated assembly is:
.arch armv8-a
.file "slsr-8.c"
.text
.align 2
.p2align 3,,7
.global f
.type f, %function
f:
lsl w3, w0, 1
sbfiz x3, x3, 2, 32
neg x3, x3
add x1, x1, x3
cmp x1, x2
add x3, x1, x3
sub x0, x1, x0, sxtw 4
csel x0, x0, x3, ne
ret
.size f, .-f
.ident "GCC: (GNU) 7.0.0 20161104 (experimental)"
.section .note.GNU-stack,"",@progbits
