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Fixed NEON detection on arm64 CPUs 

This probably breaks RISCOS, but we need a better fix from Cameron Cawley for this
This commit is contained in:
Sam Lantinga 2020-01-11 22:03:06 -08:00
parent c14a59d999
commit 196f69984a
1 changed files with 2 additions and 2 deletions
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4
src/cpuinfo/SDL_cpuinfo.c
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@ -338,7 +338,7 @@ CPU_haveAltiVec(void)
return altivec; return altivec;
} }
#if !defined(__arm__) #if !defined(__ARM_ARCH)
static int static int
CPU_haveARMSIMD(void) CPU_haveARMSIMD(void)
{ {
@ -445,7 +445,7 @@ CPU_haveNEON(void)
# endif # endif
/* All WinRT ARM devices are required to support NEON, but just in case. */ /* All WinRT ARM devices are required to support NEON, but just in case. */
return IsProcessorFeaturePresent(PF_ARM_NEON_INSTRUCTIONS_AVAILABLE) != 0; return IsProcessorFeaturePresent(PF_ARM_NEON_INSTRUCTIONS_AVAILABLE) != 0;
#elif !defined(__arm__) #elif !defined(__ARM_ARCH)
return 0; /* not an ARM CPU at all. */ return 0; /* not an ARM CPU at all. */
#elif __ARM_ARCH >= 8 #elif __ARM_ARCH >= 8
return 1; /* ARMv8 always has non-optional NEON support. */ return 1; /* ARMv8 always has non-optional NEON support. */