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| author | Paolo Bonzini <pbonzini@redhat.com> | 2024-06-18 17:34:32 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-06-28 14:44:51 +0200 |
| commit | fe721c1948ef459caab106190276717bec252c88 (patch) | |
| tree | e5db3c04000cd20f7a71a8f3bb8add14a637b954 /util | |
| parent | b1fbee456c8dcb5d53dd0324bde1e17ffc6bc5de (diff) | |
| download | qemu-fe721c1948ef459caab106190276717bec252c88.zip qemu-fe721c1948ef459caab106190276717bec252c88.tar.gz qemu-fe721c1948ef459caab106190276717bec252c88.tar.bz2 | |
Revert "host/i386: assume presence of POPCNT"
This reverts commit 45ccdbcb24baf99667997fac5cf60318e5e7db51.
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 | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/util/cpuinfo-i386.c b/util/cpuinfo-i386.c index 8f2694d..6d474a6 100644 --- a/util/cpuinfo-i386.c +++ b/util/cpuinfo-i386.c @@ -35,6 +35,7 @@ unsigned __attribute__((constructor)) cpuinfo_init(void) __cpuid(1, a, b, c, d); info |= (c & bit_MOVBE ? CPUINFO_MOVBE : 0); + info |= (c & bit_POPCNT ? CPUINFO_POPCNT : 0); info |= (c & bit_PCLMUL ? CPUINFO_PCLMUL : 0); /* NOTE: our AES support requires SSSE3 (PSHUFB) as well. */ |