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| author | Paolo Bonzini <pbonzini@redhat.com> | 2024-06-18 17:34:45 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-06-28 14:44:51 +0200 |
| commit | 39a367a42a3e77f56e9cc01d098298167df3fcc3 (patch) | |
| tree | 03e606c692fe6402896e94b43a6795da76e56d87 /util | |
| parent | fe721c1948ef459caab106190276717bec252c88 (diff) | |
| download | qemu-39a367a42a3e77f56e9cc01d098298167df3fcc3.zip qemu-39a367a42a3e77f56e9cc01d098298167df3fcc3.tar.gz qemu-39a367a42a3e77f56e9cc01d098298167df3fcc3.tar.bz2 | |
Revert "host/i386: assume presence of SSSE3"
This reverts commit 433cd6d94a8256af70a5200f236dc8047c3c1468.
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>
Diffstat (limited to 'util')
| -rw-r--r-- | util/cpuinfo-i386.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/util/cpuinfo-i386.c b/util/cpuinfo-i386.c index 6d474a6..ca74ef0 100644 --- a/util/cpuinfo-i386.c +++ b/util/cpuinfo-i386.c @@ -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)) { |