diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/dynarec/arm64/dynarec_arm64_avx_66_0f.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/dynarec/arm64/dynarec_arm64_avx_66_0f.c b/src/dynarec/arm64/dynarec_arm64_avx_66_0f.c index a7392b29..46555c93 100644 --- a/src/dynarec/arm64/dynarec_arm64_avx_66_0f.c +++ b/src/dynarec/arm64/dynarec_arm64_avx_66_0f.c @@ -1094,6 +1094,34 @@ uintptr_t dynarec64_AVX_66_0F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, if(!vex.l) YMM0(gd); break; + case 0x7C: + INST_NAME("VHADDPD Gx, Vx, Ex"); + nextop = F8; + if(!box64_dynarec_fastnan) { + q0 = fpu_get_scratch(dyn, ninst); + q1 = fpu_get_scratch(dyn, ninst); + } + for(int l=0; l<1+vex.l; ++l) { + if(!l) { GETGX_empty_VXEX(v0, v2, v1, 0); } else { GETGY_empty_VYEY(v0, v2, v1); } + if(!box64_dynarec_fastnan) { + // check if any input value was NAN + // but need to mix low/high part + VTRNQ1_64(q0, v2, v1); + VTRNQ2_64(q1, v2, v1); + VFMAXQD(q0, q0, q1); // propagate NAN + VFCMEQQD(q0, q0, q0); // 0 if NAN, 1 if not NAN + } + VFADDPQD(v0, v2, v1); + if(!box64_dynarec_fastnan) { + VFCMEQQD(q1, v0, v0); // 0 => out is NAN + VBICQ(q1, q0, q1); // forget it in any input was a NAN already + VSHLQ_64(q1, q1, 63); // only keep the sign bit + VORRQ(v0, v0, q1); // NAN -> -NAN + } + } + if(!vex.l) YMM0(gd); + break; + case 0x7E: INST_NAME("VMOVD Ed,Gx"); nextop = F8; |