Commit f7754377 authored by He Chen's avatar He Chen Committed by Eduardo Habkost
Browse files

x86: add AVX512_VPOPCNTDQ features 



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

Signed-off-by: default avatarHe Chen <he.chen@linux.intel.com>
Message-Id: <1484272411-28073-1-git-send-email-he.chen@linux.intel.com>
Reviewed-by: default avatarEduardo Habkost <ehabkost@redhat.com>
Signed-off-by: default avatarEduardo Habkost <ehabkost@redhat.com>
parent 3879284d

target/i386/cpu.c

+1 −1
Original line number Diff line number Diff line
@@ -435,7 +435,7 @@ 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,

target/i386/cpu.h

+1 −0
Original line number Diff line number Diff line
@@ -630,6 +630,7 @@ 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)