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sse: make use of int domain as default behavior if possible ( compiler may ignore it )

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also use AVX's `_mm_permute_ps`for shuffling single vector
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Recep Aslantas
2024-04-11 21:57:16 +03:00
parent de66f0a67f
commit 480e1de048
2 changed files with 10 additions and 5 deletions
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docs/source/opt.rst
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@@ -76,7 +76,7 @@ SSE and SSE2 Shuffle Option
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
**_mm_shuffle_ps** generates **shufps** instruction even if registers are same.
You can force it to generate **pshufd** instruction by defining
**CGLM_USE_INT_DOMAIN** macro. As default it is not defined.
**CGLM_NO_INT_DOMAIN** macro. As default it is not defined.
SSE3 and SSE4 Dot Product Options
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~