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avutil/cpu: add AVX512 Icelake flag

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Signed-off-by: Wu Jianhua <jianhua.wu@intel.com>
Reviewed-by: Henrik Gramner <henrik@gramner.com>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Wu Jianhua 2022-02-23 16:57:30 +08:00 committed by James Almer
parent e6e3aae294
commit f629ea2e18
9 changed files with 66 additions and 49 deletions
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5
configure vendored
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@ -443,6 +443,7 @@ Optimization options (experts only):
--disable-fma4 disable FMA4 optimizations
--disable-avx2 disable AVX2 optimizations
--disable-avx512 disable AVX-512 optimizations
--disable-avx512icl disable AVX-512ICL optimizations
--disable-aesni disable AESNI optimizations
--disable-armv5te disable armv5te optimizations
--disable-armv6 disable armv6 optimizations
@ -2096,6 +2097,7 @@ ARCH_EXT_LIST_X86_SIMD="
avx
avx2
avx512
avx512icl
fma3
fma4
mmx
@ -2665,6 +2667,7 @@ fma3_deps="avx"
fma4_deps="avx"
avx2_deps="avx"
avx512_deps="avx2"
avx512icl_deps="avx512"
mmx_external_deps="x86asm"
mmx_inline_deps="inline_asm x86"
@ -6127,6 +6130,7 @@ EOF
esac
enabled avx512 && check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0"
enabled avx512icl && check_x86asm avx512icl_external "vpdpwssds zmm31{k1}{z}, zmm29, zmm28"
enabled avx2 && check_x86asm avx2_external "vextracti128 xmm0, ymm0, 0"
enabled xop && check_x86asm xop_external "vpmacsdd xmm0, xmm1, xmm2, xmm3"
enabled fma4 && check_x86asm fma4_external "vfmaddps ymm0, ymm1, ymm2, ymm3"
@ -7469,6 +7473,7 @@ if enabled x86; then
echo "AVX enabled ${avx-no}"
echo "AVX2 enabled ${avx2-no}"
echo "AVX-512 enabled ${avx512-no}"
echo "AVX-512ICL enabled ${avx512icl-no}"
echo "XOP enabled ${xop-no}"
echo "FMA3 enabled ${fma3-no}"
echo "FMA4 enabled ${fma4-no}"

3
doc/APIchanges
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@ -14,6 +14,9 @@ libavutil: 2021-04-27
API changes, most recent first:
2022-03-10 - xxxxxxxxxx - lavu 57.23.100 - cpu.h
Add AV_CPU_FLAG_AVX512ICL.
2022-02-07 - xxxxxxxxxx - lavu 57.21.100 - fifo.h
Deprecate AVFifoBuffer and the API around it, namely av_fifo_alloc(),
av_fifo_alloc_array(), av_fifo_free(), av_fifo_freep(), av_fifo_reset(),

1
libavutil/cpu.c
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@ -137,6 +137,7 @@ int av_parse_cpu_caps(unsigned *flags, const char *s)
{ "cmov", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_CMOV }, .unit = "flags" },
{ "aesni", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_AESNI }, .unit = "flags" },
{ "avx512" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_AVX512 }, .unit = "flags" },
{ "avx512icl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_AVX512ICL }, .unit = "flags" },
{ "slowgather", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_SLOW_GATHER }, .unit = "flags" },
#define CPU_FLAG_P2 AV_CPU_FLAG_CMOV | AV_CPU_FLAG_MMX

1
libavutil/cpu.h
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@ -54,6 +54,7 @@
#define AV_CPU_FLAG_BMI1 0x20000 ///< Bit Manipulation Instruction Set 1
#define AV_CPU_FLAG_BMI2 0x40000 ///< Bit Manipulation Instruction Set 2
#define AV_CPU_FLAG_AVX512 0x100000 ///< AVX-512 functions: requires OS support even if YMM/ZMM registers aren't used
#define AV_CPU_FLAG_AVX512ICL 0x200000 ///< F/CD/BW/DQ/VL/VNNI/IFMA/VBMI/VBMI2/VPOPCNTDQ/BITALG/GFNI/VAES/VPCLMULQDQ
#define AV_CPU_FLAG_SLOW_GATHER 0x2000000 ///< CPU has slow gathers.
#define AV_CPU_FLAG_ALTIVEC 0x0001 ///< standard

2
libavutil/version.h
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@ -79,7 +79,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 57
#define LIBAVUTIL_VERSION_MINOR 22
#define LIBAVUTIL_VERSION_MINOR 23
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

8
libavutil/x86/cpu.c
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@ -150,9 +150,13 @@ int ff_get_cpu_flags_x86(void)
rval |= AV_CPU_FLAG_AVX2;
#if HAVE_AVX512 /* F, CD, BW, DQ, VL */
if ((xcr0_lo & 0xe0) == 0xe0) { /* OPMASK/ZMM state */
if ((rval & AV_CPU_FLAG_AVX2) && (ebx & 0xd0030000) == 0xd0030000)
if ((rval & AV_CPU_FLAG_AVX2) && (ebx & 0xd0030000) == 0xd0030000) {
rval |= AV_CPU_FLAG_AVX512;
#if HAVE_AVX512ICL
if ((ebx & 0xd0200000) == 0xd0200000 && (ecx & 0x5f42) == 0x5f42)
rval |= AV_CPU_FLAG_AVX512ICL;
#endif /* HAVE_AVX512ICL */
}
}
#endif /* HAVE_AVX512 */
#endif /* HAVE_AVX2 */

1
libavutil/x86/cpu.h
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@ -80,6 +80,7 @@
#define EXTERNAL_AVX2_SLOW(flags) CPUEXT_SUFFIX_SLOW2(flags, _EXTERNAL, AVX2, AVX)
#define EXTERNAL_AESNI(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, AESNI)
#define EXTERNAL_AVX512(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, AVX512)
#define EXTERNAL_AVX512ICL(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, AVX512ICL)
#define INLINE_AMD3DNOW(flags) CPUEXT_SUFFIX(flags, _INLINE, AMD3DNOW)
#define INLINE_AMD3DNOWEXT(flags) CPUEXT_SUFFIX(flags, _INLINE, AMD3DNOWEXT)

1
libavutil/x86/x86inc.asm
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@ -838,6 +838,7 @@ BRANCH_INSTR jz, je, jnz, jne, jl, jle, jnl, jnle, jg, jge, jng, jnge, ja, jae,
%assign cpuflags_bmi2 (1<<18)| cpuflags_bmi1
%assign cpuflags_avx2 (1<<19)| cpuflags_fma3|cpuflags_bmi2
%assign cpuflags_avx512 (1<<20)| cpuflags_avx2 ; F, CD, BW, DQ, VL
%assign cpuflags_avx512icl (1<<25)| cpuflags_avx512
%assign cpuflags_cache32 (1<<21)
%assign cpuflags_cache64 (1<<22)

1
tests/checkasm/checkasm.c
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@ -237,6 +237,7 @@ static const struct {
{ "FMA4", "fma4", AV_CPU_FLAG_FMA4 },
{ "AVX2", "avx2", AV_CPU_FLAG_AVX2 },
{ "AVX-512", "avx512", AV_CPU_FLAG_AVX512 },
{ "AVX-512ICL", "avx512icl", AV_CPU_FLAG_AVX512ICL },
#elif ARCH_LOONGARCH
{ "LSX", "lsx", AV_CPU_FLAG_LSX },
{ "LASX", "lasx", AV_CPU_FLAG_LASX },