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[ARM64_DYNAREC] Switched RSQRTPS to precise instead of aproximate

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This commit is contained in:
ptitSeb 2025-04-29 18:03:15 +02:00
parent 737a93a77c
commit f0859e6462
1 changed files with 8 additions and 1 deletions
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9
src/dynarec/arm64/dynarec_arm64_0f.c
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@ -1081,9 +1081,10 @@ uintptr_t dynarec64_0F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
case 0x52: case 0x52:
INST_NAME("RSQRTPS Gx, Ex"); INST_NAME("RSQRTPS Gx, Ex");
nextop = F8; nextop = F8;
SKIPTEST(x1);
GETEX(q0, 0, 0); GETEX(q0, 0, 0);
GETGX_empty(q1); GETGX_empty(q1);
#if 0
SKIPTEST(x1);
v0 = fpu_get_scratch(dyn, ninst); v0 = fpu_get_scratch(dyn, ninst);
// more precise // more precise
if(q1==q0) if(q1==q0)
@ -1094,6 +1095,12 @@ uintptr_t dynarec64_0F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
VFMULQS(v1, v0, q0); VFMULQS(v1, v0, q0);
VFRSQRTSQS(v1, v1, v0); VFRSQRTSQS(v1, v1, v0);
VFMULQS(q1, v1, v0); VFMULQS(q1, v1, v0);
#else
v0 = fpu_get_scratch(dyn, ninst);
VFMOVSQ_8(v0, 0b01110000); //1.0f
VFSQRTQS(q1, q0);
VFDIVQS(q1, v0, q1);
#endif
break; break;
case 0x53: case 0x53:
INST_NAME("RCPPS Gx, Ex"); INST_NAME("RCPPS Gx, Ex");