https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64322
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
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Last reconfirmed|2014-12-16 00:00:00 |2018-11-19
--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Martin Liška from comment #9)
> Can the bug be marked as resolved?
Did you check? At -Os we now produce for A
movq $0, -16(%rsp)
movl $1, %eax
salq $32, %rax
movq %rax, -8(%rsp)
movq -16(%rsp), %rax
xorl %eax, %eax
ret
that's not folded (the shift). It was worse, yes, but it's not fixed yet.
