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Re: [PATCH] target/i386: add avx-vnni-int16 feature


From: Paolo Bonzini
Subject: Re: [PATCH] target/i386: add avx-vnni-int16 feature
Date: Tue, 5 Nov 2024 10:03:40 +0100
User-agent: Mozilla Thunderbird

On 11/5/24 09:28, Paolo Bonzini wrote:
SHA512, SM3, SM4 (CPUID[EAX=7,ECX=1).EAX bits 0 to 2) is supported by
Clearwater Forest processor, add it to QEMU as it does not need any
specific enablement.

See https://lore.kernel.org/kvm/20241105054825.870939-1-tao1.su@linux.intel.com/
for reference.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
  target/i386/cpu.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 3baa95481fb..ae5b85f4e8e 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1113,7 +1113,7 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
      [FEAT_7_1_EAX] = {
          .type = CPUID_FEATURE_WORD,
          .feat_names = {
-            NULL, NULL, NULL, NULL,
+            "sha512", "sm3", "sm4", NULL,
              "avx-vnni", "avx512-bf16", NULL, "cmpccxadd",
              NULL, NULL, "fzrm", "fsrs",
              "fsrc", NULL, NULL, NULL,

Obviously the subject is wrong, sorry about that.

Paolo




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