On 2/25/22 07:20, Alex Bennée wrote:
+# TCG does not yet support all SSE (SIGILL on pshufb)
+# sha512-sse: CFLAGS=-march=core2 -O3
+# sha512-sse: sha512.c
+# $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $< -o $@ $(LDFLAGS)
+
Given
ops_sse.h:void glue(helper_pshufb, SUFFIX)(CPUX86State *env, Reg *d, Reg *s)
ops_sse_header.h:DEF_HELPER_3(glue(pshufb, SUFFIX), void, env, Reg, Reg)
tcg/translate.c: [0x00] = SSSE3_OP(pshufb),
I'm inclined to think -cpu max might work here as well. Yep:
static const X86CPUDefinition builtin_x86_defs[] = {
{
.name = "qemu64",
...
.features[FEAT_1_ECX] =
CPUID_EXT_SSE3 | CPUID_EXT_CX16,
does not include SSE4.
r~
