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x86: add AVX512_VPOPCNTDQ features

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AVX512_VPOPCNTDQ: Vector POPCNT instructions for word and qwords.
variable precision.

Backports commit f77543772dcd38fa438470d9b80bafbd3a3ebbd7 from qemu
This commit is contained in:
He Chen 2018-03-01 23:44:26 -05:00 committed by Lioncash
parent 5c4f79ac62
commit b37fa358f3
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GPG key ID: 4E3C3CC1031BA9C7
2 changed files with 2 additions and 1 deletions
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2
qemu/target/i386/cpu.c
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@ -314,7 +314,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
NULL, "avx512vbmi", "umip", "pku",
"ospke", NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, "avx512-vpopcntdq", NULL,
"la57", NULL, NULL, NULL,
NULL, NULL, "rdpid", NULL,
NULL, NULL, NULL, NULL,

1
qemu/target/i386/cpu.h
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@ -628,6 +628,7 @@ typedef uint32_t FeatureWordArray[FEATURE_WORDS];
#define CPUID_7_0_ECX_UMIP (1U << 2)
#define CPUID_7_0_ECX_PKU (1U << 3)
#define CPUID_7_0_ECX_OSPKE (1U << 4)
#define CPUID_7_0_ECX_AVX512_VPOPCNTDQ (1U << 14) /* POPCNT for vectors of DW/QW */
#define CPUID_7_0_ECX_LA57 (1U << 16)
#define CPUID_7_0_ECX_RDPID (1U << 22)