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[PULL,01/13] x86: add AVX512_VPOPCNTDQ features

Message ID 20170123232738.20796-2-ehabkost@redhat.com
State New
Headers show

Commit Message

Eduardo Habkost Jan. 23, 2017, 11:27 p.m. UTC 
From: He Chen <he.chen@linux.intel.com>

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

Signed-off-by: He Chen <he.chen@linux.intel.com>
Message-Id: <1484272411-28073-1-git-send-email-he.chen@linux.intel.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 target/i386/cpu.h | 1 +
 target/i386/cpu.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 6c1902b36e..10c5a3538d 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -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)
 
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index aba11ae171..b6c8c5d65b 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -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,