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6 commits

Author SHA1 Message Date
Demi Marie Obenour
e8f3450a58 Fix various compiler warnings 
These caused build failures with -Werror.
 2022-10-06 12:12:35 -04:00
Wim Taymans
84ecebbd4e cpu: only run SSE code when supported 
Check if we can run SSE instructions before executing the denormals
SSE code.

Fixes #1775
 2021-11-02 20:12:35 +01:00
Wim Taymans
14fd5425af cpu: use intrinsics to modify status register 
For better portability. Also only use the code when we can compile with
SSE is available.
 2021-10-13 15:00:09 +02:00
Wim Taymans
85d5c8cd6c cpu: add zero_denormals method 
Add a method to enable/disable the denormals flush-to-zero and
denormals-as-zero CPU options.

Add a config option to make it possible to disable this again.

Fixes high CPU usage when dealing with denormals, which can happen
in many DSP functions.

Fixes #1681
 2021-10-11 14:57:02 +02:00
Wim Taymans
7104df1b21 cpu: detect MMXEXT as well 2018-12-17 13:37:27 +01:00
Wim Taymans
9ca9fda253 cpu: add cpu support implementation 2018-12-17 13:25:27 +01:00