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arm: Switch to a more correct Windows flag for detecting I8MM

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Newer revisions of WinSDK 10.0.26100.0 have exposed more flags for
IsProcessorFeaturePresent; now there is a separate one for
detecting specifically I8MM and not just SVE-I8MM. Switch to using
this flag instead.
This commit is contained in:
Martin Storsjö
2026-03-04 15:15:54 +02:00
parent 1dcfc90757
commit 4fd22e97d8
1 changed files with 2 additions and 5 deletions
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src/arm/cpu.c
+2 -5
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@@ -148,11 +148,8 @@ COLD unsigned dav1d_get_cpu_flags_arm(void) {
if (IsProcessorFeaturePresent(PF_ARM_SVE2_INSTRUCTIONS_AVAILABLE))
flags |= DAV1D_ARM_CPU_FLAG_SVE2;
#endif
#ifdef PF_ARM_SVE_I8MM_INSTRUCTIONS_AVAILABLE
/* There's no PF_* flag that indicates whether plain I8MM is available
* or not. But if SVE_I8MM is available, that also implies that
* regular I8MM is available. */
if (IsProcessorFeaturePresent(PF_ARM_SVE_I8MM_INSTRUCTIONS_AVAILABLE))
#ifdef PF_ARM_V82_I8MM_INSTRUCTIONS_AVAILABLE
if (IsProcessorFeaturePresent(PF_ARM_V82_I8MM_INSTRUCTIONS_AVAILABLE))
flags |= DAV1D_ARM_CPU_FLAG_I8MM;
#endif
return flags;