https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66866
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.9.4
Summary|[miscompile] incorrect load |[4.9/5 Regression]
|address on manual vector |incorrect load address on
|shuffle |manual vector shuffle
--- Comment #9 from Uroš Bizjak <ubizjak at gmail dot com> ---
Fixed in mainline.
The reduced testcase now compiles to:
_Z4shufDv2_x:
.LFB0:
.cfi_startproc
vpextrw $4, %xmm0, %eax
vpxor %xmm0, %xmm0, %xmm0
vpinsrw $5, %eax, %xmm0, %xmm0
ret
Patch needs backports to release branches.
