Commit a2381f09 authored by Eduardo Habkost's avatar Eduardo Habkost
Browse files

i386: Add spec-ctrl CPUID bit 



Add the feature name and a CPUID_7_0_EDX_SPEC_CTRL macro.

Signed-off-by: default avatarEduardo Habkost <ehabkost@redhat.com>
Message-Id: <20180109154519.25634-4-ehabkost@redhat.com>
Signed-off-by: default avatarEduardo Habkost <ehabkost@redhat.com>
parent a33a2cfe

target/i386/cpu.c

+1 −1
Original line number Diff line number Diff line
@@ -459,7 +459,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = { 
            NULL, NULL, NULL, NULL,

            NULL, NULL, NULL, NULL,

            NULL, NULL, NULL, NULL,

            NULL, NULL, NULL, NULL,

            NULL, NULL, "spec-ctrl", NULL,

            NULL, NULL, NULL, NULL,

        },

        .cpuid_eax = 7,

target/i386/cpu.h

+1 −0
Original line number Diff line number Diff line
@@ -667,6 +667,7 @@ typedef uint32_t FeatureWordArray[FEATURE_WORDS]; 


#define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) /* AVX512 Neural Network Instructions */

#define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) /* AVX512 Multiply Accumulation Single Precision */

#define CPUID_7_0_EDX_SPEC_CTRL     (1U << 26) /* Speculation Control */



#define CPUID_XSAVE_XSAVEOPT   (1U << 0)

#define CPUID_XSAVE_XSAVEC     (1U << 1)