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docs: add new option to docs

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Recep Aslantas
2018-05-10 16:27:40 +03:00
parent da5ad69863
commit 599524dacf
3 changed files with 11 additions and 5 deletions
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docs/source/opt.rst
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@@ -5,7 +5,7 @@ Options
A few options are provided via macros.
Alignment
Alignment Option
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
As default, cglm requires types to be aligned. Alignment requirements:
@@ -34,3 +34,9 @@ have to compile cglm with **CGLM_ALL_UNALIGNED** macro.
ALWAYS USE SAME CONFIGURATION / OPTION for **cglm** if you have multiple projects.
For instance if you set CGLM_ALL_UNALIGNED in a project then set it in other projects too
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.