[Bug target/30082] Expansion of lceil and lfloor could use if-conversion

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=30082

Eric Gallager <egallager at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |egallager at gcc dot gnu.org

--- Comment #4 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #3)
> long foo(float x)
> {
>   return __builtin_lfloorf(x);
> }
> 
> generates
> 
> foo:
> .LFB2:
>         cvttss2siq      %xmm0, %rax
>         cvtsi2ssq       %rax, %xmm1
>         leaq    -1(%rax), %rdx
>         comiss  %xmm0, %xmm1
>         cmova   %rdx, %rax
>         ret
> 
> the adc/sbb variants are no longer generated.

Are you still working on this?