diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/dynarec/arm64/dynarec_arm64_0f.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/dynarec/arm64/dynarec_arm64_0f.c b/src/dynarec/arm64/dynarec_arm64_0f.c index d0f055f2..f8659307 100755 --- a/src/dynarec/arm64/dynarec_arm64_0f.c +++ b/src/dynarec/arm64/dynarec_arm64_0f.c @@ -593,6 +593,15 @@ uintptr_t dynarec64_0F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin nextop = F8; GETGX(v0, 1); GETEX(v1, 0, 0); + // FMIN/FMAX wll not copy the value if v0[x] is NaN + // but x86 will copy if either v0[x] or v1[x] is NaN, so lets force a copy if source is NaN + if(!box64_dynarec_fastnan && v0!=v1) { + q0 = fpu_get_scratch(dyn); + VFCMEQQS(q0, v0, v0); // 0 is NaN, 1 is not NaN, so MASK for NaN + VANDQ(v0, v0, q0); + VBICQ(q0, v1, q0); + VORRQ(v0, v0, q0); + } VFMINQS(v0, v0, v1); break; case 0x5E: @@ -607,6 +616,15 @@ uintptr_t dynarec64_0F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin nextop = F8; GETGX(v0, 1); GETEX(v1, 0, 0); + // FMIN/FMAX wll not copy the value if v0[x] is NaN + // but x86 will copy if either v0[x] or v1[x] is NaN, so lets force a copy if source is NaN + if(!box64_dynarec_fastnan && v0!=v1) { + q0 = fpu_get_scratch(dyn); + VFCMEQQS(q0, v0, v0); // 0 is NaN, 1 is not NaN, so MASK for NaN + VANDQ(v0, v0, q0); + VBICQ(q0, v1, q0); + VORRQ(v0, v0, q0); + } VFMAXQS(v0, v0, v1); break; case 0x60: |