https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89654

--- Comment #7 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Uroš Bizjak from comment #6)
> (In reply to H.J. Lu from comment #4)
> > Is this a dup of PR 69693?
> 
> Yes, indeed. The issue with too many moves remain, I'll open a new PR for
> that.

I'll also open a new PR due to difference with -march=haswell (---) and
-march=skylake (+++):

--- haswell/pr89654.s   2019-03-12 13:54:24.517146380 +0100
+++ skylake/pr89654.s   2019-03-12 13:57:39.792106411 +0100
@@ -6,8 +6,16 @@
 foo:
 .LFB0:
        .cfi_startproc
-       vmovq   4(%esp), %xmm0
-       vpsllq  $3, %xmm0, %xmm0
+       subl    $28, %esp
+       .cfi_def_cfa_offset 32
+       movl    32(%esp), %eax
+       movl    36(%esp), %edx
+       movl    %eax, (%esp)
+       movl    %edx, 4(%esp)
+       vmovdqa (%esp), %xmm1
+       addl    $28, %esp
+       .cfi_def_cfa_offset 4
+       vpsllq  $3, %xmm1, %xmm0
        vmovd   %xmm0, %eax
        vpextrd $1, %xmm0, %edx
        ret

Reply via email to