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Revert "host/i386: assume presence of SSSE3" 

This reverts commit 433cd6d94a.
The x86-64 instruction set can now be tuned down to x86-64 v1
or i386 Pentium Pro.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2024-06-18 17:34:45 +02:00
parent fe721c1948
commit 39a367a42a
1 changed files with 2 additions and 2 deletions
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4
util/cpuinfo-i386.c
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@ -38,8 +38,8 @@ unsigned __attribute__((constructor)) cpuinfo_init(void)
info |= (c & bit_POPCNT ? CPUINFO_POPCNT : 0);
info |= (c & bit_PCLMUL ? CPUINFO_PCLMUL : 0);
/* NOTE: our AES support requires SSSE3 (PSHUFB) as well. */
info |= (c & bit_AES) ? CPUINFO_AES : 0;
/* Our AES support requires PSHUFB as well. */
info |= ((c & bit_AES) && (c & bit_SSSE3) ? CPUINFO_AES : 0);
/* For AVX features, we must check available and usable. */
if ((c & bit_AVX) && (c & bit_OSXSAVE)) {