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cpu check for ssse3 #1231

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cpu check for ssse3 #1231

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1 change: 1 addition & 0 deletions bin/system_info/print_system_info.c
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ int main(void) {
fprintf(stdout, " 'arm_crc': %s,\n", aws_cpu_has_feature(AWS_CPU_FEATURE_ARM_CRC) ? "true" : "false");
fprintf(stdout, " 'arm_pmull': %s,\n", aws_cpu_has_feature(AWS_CPU_FEATURE_ARM_PMULL) ? "true" : "false");
fprintf(stdout, " 'arm_crypto': %s,\n", aws_cpu_has_feature(AWS_CPU_FEATURE_ARM_CRYPTO) ? "true" : "false");
fprintf(stdout, " 'amd_ssse3': %s,\n", aws_cpu_has_feature(AWS_CPU_FEATURE_SSSE_3) ? "true" : "false");
fprintf(stdout, " 'amd_sse4_1': %s,\n", aws_cpu_has_feature(AWS_CPU_FEATURE_SSE_4_1) ? "true" : "false");
fprintf(stdout, " 'amd_sse4_2': %s,\n", aws_cpu_has_feature(AWS_CPU_FEATURE_SSE_4_2) ? "true" : "false");
fprintf(stdout, " 'amd_clmul': %s,\n", aws_cpu_has_feature(AWS_CPU_FEATURE_CLMUL) ? "true" : "false");
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1 change: 1 addition & 0 deletions include/aws/common/cpuid.h
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Expand Up @@ -13,6 +13,7 @@ enum aws_cpu_feature_name {
AWS_CPU_FEATURE_CLMUL,
AWS_CPU_FEATURE_SSE_4_1,
AWS_CPU_FEATURE_SSE_4_2,
AWS_CPU_FEATURE_SSSE_3,
AWS_CPU_FEATURE_AVX2,
AWS_CPU_FEATURE_AVX512,
AWS_CPU_FEATURE_ARM_CRC,
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1 change: 1 addition & 0 deletions source/arch/intel/cpuid.c
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Expand Up @@ -36,6 +36,7 @@ static void s_cache_cpu_features(void) {
}
aws_run_cpuid(0x1, 0x0, abcd);
s_cpu_features[AWS_CPU_FEATURE_CLMUL] = abcd[2] & (1 << 1); /* pclmulqdq = ECX[bit 1] */
s_cpu_features[AWS_CPU_FEATURE_SSSE_3] = abcd[2] & (1 << 9); /* ssse3 = ECX[bit 9] */
s_cpu_features[AWS_CPU_FEATURE_SSE_4_1] = abcd[2] & (1 << 19); /* sse4.1 = ECX[bit 19] */
s_cpu_features[AWS_CPU_FEATURE_SSE_4_2] = abcd[2] & (1 << 20); /* sse4.2 = ECX[bit 20] */

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1 change: 1 addition & 0 deletions tests/cpuid_test.c
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Expand Up @@ -21,6 +21,7 @@ static int s_cpuid_test_fn(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
/* TODO: make sure those check returns the expected value. */
aws_cpu_has_feature(AWS_CPU_FEATURE_CLMUL);
aws_cpu_has_feature(AWS_CPU_FEATURE_SSSE_3);
aws_cpu_has_feature(AWS_CPU_FEATURE_SSE_4_1);
aws_cpu_has_feature(AWS_CPU_FEATURE_SSE_4_2);
aws_cpu_has_feature(AWS_CPU_FEATURE_AVX2);
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