diff mbox series

[PULL,03/23] Revert "host/i386: assume presence of SSSE3"

Message ID 20240628172855.1147598-4-pbonzini@redhat.com (mailing list archive)
State New
Headers show
Series [PULL,01/23] configure: detect --cpu=mipsisa64r6 | expand

Commit Message

Paolo Bonzini June 28, 2024, 5:28 p.m. UTC 
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>
---
 util/cpuinfo-i386.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/util/cpuinfo-i386.c b/util/cpuinfo-i386.c
index 6d474a6259a..ca74ef04f54 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)) {