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aarch64: Add cpu flags for the dotprod and i8mm extensions

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Set these available if they are available unconditionally for
the compiler.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2023-05-25 15:29:02 +03:00
parent fb1b88af77
commit 397cb623c8
6 changed files with 22 additions and 3 deletions
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15
libavutil/aarch64/cpu.c
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@ -22,9 +22,18 @@
int ff_get_cpu_flags_aarch64(void)
{
return AV_CPU_FLAG_ARMV8 * HAVE_ARMV8 |
AV_CPU_FLAG_NEON * HAVE_NEON |
AV_CPU_FLAG_VFP * HAVE_VFP;
int flags = AV_CPU_FLAG_ARMV8 * HAVE_ARMV8 |
AV_CPU_FLAG_NEON * HAVE_NEON |
AV_CPU_FLAG_VFP * HAVE_VFP;
#ifdef __ARM_FEATURE_DOTPROD
flags |= AV_CPU_FLAG_DOTPROD;
#endif
#ifdef __ARM_FEATURE_MATMUL_INT8
flags |= AV_CPU_FLAG_I8MM;
#endif
return flags;
}
size_t ff_get_cpu_max_align_aarch64(void)

2
libavutil/aarch64/cpu.h
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@ -25,5 +25,7 @@
#define have_armv8(flags) CPUEXT(flags, ARMV8)
#define have_neon(flags) CPUEXT(flags, NEON)
#define have_vfp(flags) CPUEXT(flags, VFP)
#define have_dotprod(flags) CPUEXT(flags, DOTPROD)
#define have_i8mm(flags) CPUEXT(flags, I8MM)
#endif /* AVUTIL_AARCH64_CPU_H */

2
libavutil/cpu.c
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@ -174,6 +174,8 @@ int av_parse_cpu_caps(unsigned *flags, const char *s)
{ "armv8", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ARMV8 }, .unit = "flags" },
{ "neon", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_NEON }, .unit = "flags" },
{ "vfp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFP }, .unit = "flags" },
{ "dotprod", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_DOTPROD }, .unit = "flags" },
{ "i8mm", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_I8MM }, .unit = "flags" },
#elif ARCH_MIPS
{ "mmi", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_MMI }, .unit = "flags" },
{ "msa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_MSA }, .unit = "flags" },

2
libavutil/cpu.h
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@ -69,6 +69,8 @@
#define AV_CPU_FLAG_NEON (1 << 5)
#define AV_CPU_FLAG_ARMV8 (1 << 6)
#define AV_CPU_FLAG_VFP_VM (1 << 7) ///< VFPv2 vector mode, deprecated in ARMv7-A and unavailable in various CPUs implementations
#define AV_CPU_FLAG_DOTPROD (1 << 8)
#define AV_CPU_FLAG_I8MM (1 << 9)
#define AV_CPU_FLAG_SETEND (1 <<16)
#define AV_CPU_FLAG_MMI (1 << 0)

2
libavutil/tests/cpu.c
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@ -38,6 +38,8 @@ static const struct {
{ AV_CPU_FLAG_ARMV8, "armv8" },
{ AV_CPU_FLAG_NEON, "neon" },
{ AV_CPU_FLAG_VFP, "vfp" },
{ AV_CPU_FLAG_DOTPROD, "dotprod" },
{ AV_CPU_FLAG_I8MM, "i8mm" },
#elif ARCH_ARM
{ AV_CPU_FLAG_ARMV5TE, "armv5te" },
{ AV_CPU_FLAG_ARMV6, "armv6" },

2
tests/checkasm/checkasm.c
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@ -230,6 +230,8 @@ static const struct {
#if ARCH_AARCH64
{ "ARMV8", "armv8", AV_CPU_FLAG_ARMV8 },
{ "NEON", "neon", AV_CPU_FLAG_NEON },
{ "DOTPROD", "dotprod", AV_CPU_FLAG_DOTPROD },
{ "I8MM", "i8mm", AV_CPU_FLAG_I8MM },
#elif ARCH_ARM
{ "ARMV5TE", "armv5te", AV_CPU_FLAG_ARMV5TE },
{ "ARMV6", "armv6", AV_CPU_FLAG_ARMV6 },