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host/i386: assume presence of SSE2

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QEMU now requires an x86-64-v2 host, which has SSE2.
Use it freely in buffer_is_zero.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2024-05-31 11:02:46 +02:00
parent e68e97ce55
commit b18236897c
3 changed files with 2 additions and 4 deletions
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4
util/bufferiszero.c
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@ -188,14 +188,14 @@ static biz_accel_fn const accel_table[] = {
static unsigned best_accel(void)
{
#ifdef CONFIG_AVX2_OPT
unsigned info = cpuinfo_init();
#ifdef CONFIG_AVX2_OPT
if (info & CPUINFO_AVX2) {
return 2;
}
#endif
return info & CPUINFO_SSE2 ? 1 : 0;
return 1;
}
#elif defined(__aarch64__) && defined(__ARM_NEON)