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Optimize is_ltz for g++ x86 #1302

Merged
merged 3 commits into from
Jun 1, 2022
Merged

Optimize is_ltz for g++ x86 #1302

merged 3 commits into from
Jun 1, 2022

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jfalcou
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@jfalcou jfalcou commented May 30, 2022

Ensure that g++ and clang generate this:

psrad   xmm0, 31

instead of that:

movdqa  xmm1, xmm0
pxor    xmm0, xmm0
pcmpgtd xmm0, xmm1

@jfalcou jfalcou linked an issue May 31, 2022 that may be closed by this pull request
[FEATURE] Optimize some integer comparaisons #1297
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@jfalcou jfalcou merged commit 6bdcf97 into main Jun 1, 2022
@jfalcou jfalcou deleted the fix-1297/better-x86-is_ltz branch June 1, 2022 08:27
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@DenisYaroshevskiy DenisYaroshevskiy DenisYaroshevskiy approved these changes

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[FEATURE] Optimize some integer comparaisons
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@jfalcou @DenisYaroshevskiy