| Message ID | 20240612105525.8795-3-amonakov@ispras.ru (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Reinstate ability to use Qemu on pre-SSE4.1 x86 hosts | expand |
diff --git a/util/cpuinfo-i386.c b/util/cpuinfo-i386.c index 6d474a62..ca74ef04 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)) {
This reverts commit 433cd6d94a8256af70a5200f236dc8047c3c1468. Revert in preparation to rolling back x86_64-v2 ISA requirement. Signed-off-by: Alexander Monakov <amonakov@ispras.ru> --- util/cpuinfo-i386.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)