diff options
Diffstat (limited to 'media/libopus/celt/arm/armcpu.c')
| -rw-r--r-- | media/libopus/celt/arm/armcpu.c | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/media/libopus/celt/arm/armcpu.c b/media/libopus/celt/arm/armcpu.c index c7d16e6d61..06a53435b8 100644 --- a/media/libopus/celt/arm/armcpu.c +++ b/media/libopus/celt/arm/armcpu.c @@ -43,6 +43,7 @@ #define OPUS_CPU_ARM_EDSP_FLAG (1<<OPUS_ARCH_ARM_EDSP) #define OPUS_CPU_ARM_MEDIA_FLAG (1<<OPUS_ARCH_ARM_MEDIA) #define OPUS_CPU_ARM_NEON_FLAG (1<<OPUS_ARCH_ARM_NEON) +#define OPUS_CPU_ARM_DOTPROD_FLAG (1<<OPUS_ARCH_ARM_DOTPROD) #if defined(_MSC_VER) /*For GetExceptionCode() and EXCEPTION_ILLEGAL_INSTRUCTION.*/ @@ -126,6 +127,14 @@ opus_uint32 opus_cpu_capabilities(void) p = strstr(buf, " neon"); if(p != NULL && (p[5] == ' ' || p[5] == '\n')) flags |= OPUS_CPU_ARM_NEON_FLAG; + p = strstr(buf, " asimd"); + if(p != NULL && (p[6] == ' ' || p[6] == '\n')) + flags |= OPUS_CPU_ARM_NEON_FLAG | OPUS_CPU_ARM_MEDIA_FLAG | OPUS_CPU_ARM_EDSP_FLAG; +# endif +# if defined(OPUS_ARM_MAY_HAVE_DOTPROD) + p = strstr(buf, " asimddp"); + if(p != NULL && (p[8] == ' ' || p[8] == '\n')) + flags |= OPUS_CPU_ARM_DOTPROD_FLAG; # endif } # endif @@ -144,10 +153,44 @@ opus_uint32 opus_cpu_capabilities(void) # endif } +#if defined(OPUS_ARM_PRESUME_AARCH64_NEON_INTR) + flags |= OPUS_CPU_ARM_EDSP_FLAG | OPUS_CPU_ARM_MEDIA_FLAG | OPUS_CPU_ARM_NEON_FLAG; +# if defined(OPUS_ARM_PRESUME_DOTPROD) + flags |= OPUS_CPU_ARM_DOTPROD_FLAG; +# endif +#endif + fclose(cpuinfo); } return flags; } + +#elif defined(__APPLE__) +#include <sys/types.h> +#include <sys/sysctl.h> + +opus_uint32 opus_cpu_capabilities(void) +{ + opus_uint32 flags = 0; + +#if defined(OPUS_ARM_MAY_HAVE_DOTPROD) + size_t size = sizeof(uint32_t); + uint32_t value = 0; + if (!sysctlbyname("hw.optional.arm.FEAT_DotProd", &value, &size, NULL, 0) && value) + { + flags |= OPUS_CPU_ARM_DOTPROD_FLAG; + } +#endif + +#if defined(OPUS_ARM_PRESUME_AARCH64_NEON_INTR) + flags |= OPUS_CPU_ARM_EDSP_FLAG | OPUS_CPU_ARM_MEDIA_FLAG | OPUS_CPU_ARM_NEON_FLAG; +# if defined(OPUS_ARM_PRESUME_DOTPROD) + flags |= OPUS_CPU_ARM_DOTPROD_FLAG; +# endif +#endif + return flags; +} + #else /* The feature registers which can tell us what the processor supports are * accessible in priveleged modes only, so we can't have a general user-space @@ -180,7 +223,13 @@ static int opus_select_arch_impl(void) } arch++; - celt_assert(arch == OPUS_ARCH_ARM_NEON); + if(!(flags & OPUS_CPU_ARM_DOTPROD_FLAG)) { + celt_assert(arch == OPUS_ARCH_ARM_NEON); + return arch; + } + arch++; + + celt_assert(arch == OPUS_ARCH_ARM_DOTPROD); return arch; } |