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ARM Jit: Implement vfad/vavg

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This commit is contained in:
Henrik Rydgard 2014-12-07 12:54:37 +01:00
parent 80ce45f9fb
commit e2f61459d3
1 changed files with 46 additions and 13 deletions
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59
Core/MIPS/ARM/ArmCompVFPU.cpp
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@ -632,6 +632,52 @@ namespace MIPSComp
fpr.ReleaseSpillLocksAndDiscardTemps();
}
static const float MEMORY_ALIGNED16(vavg_table[4]) = { 1.0f, 1.0f / 2.0f, 1.0f / 3.0f, 1.0f / 4.0f };
void Jit::Comp_Vhoriz(MIPSOpcode op) {
NEON_IF_AVAILABLE(CompNEON_Vhoriz);
CONDITIONAL_DISABLE;
if (js.HasUnknownPrefix()) {
DISABLE;
}
int vd = _VD;
int vs = _VS;
int vt = _VT;
VectorSize sz = GetVecSize(op);
// TODO: Force read one of them into regs? probably not.
u8 sregs[4], tregs[4], dregs[1];
GetVectorRegsPrefixS(sregs, sz, vs);
GetVectorRegsPrefixD(dregs, V_Single, vd);
// TODO: applyprefixST here somehow (shuffle, etc...)
fpr.MapRegsAndSpillLockV(sregs, sz, 0);
int n = GetNumVectorElements(sz);
bool is_vavg = ((op >> 16) & 0x1f) == 7;
if (is_vavg) {
MOVI2F(S1, vavg_table[n - 1], R0);
}
VMOV(S0, fpr.V(sregs[0]));
for (int i = 1; i < n; i++) {
// sum += s[i];
VADD(S0, S0, fpr.V(sregs[i]));
}
fpr.MapRegV(dregs[0], MAP_NOINIT | MAP_DIRTY);
if (is_vavg) {
VMUL(fpr.V(dregs[0]), S0, S1);
} else {
VMOV(fpr.V(dregs[0]), S0);
}
ApplyPrefixD(dregs, V_Single);
fpr.ReleaseSpillLocksAndDiscardTemps();
NOTICE_LOG(JIT, "vfad/vags at %08x, ", js.compilerPC);
}
void Jit::Comp_VDot(MIPSOpcode op) {
NEON_IF_AVAILABLE(CompNEON_VDot);
CONDITIONAL_DISABLE;
@ -2028,19 +2074,6 @@ namespace MIPSComp
fpr.ReleaseSpillLocksAndDiscardTemps();
}
void Jit::Comp_Vhoriz(MIPSOpcode op) {
NEON_IF_AVAILABLE(CompNEON_Vhoriz);
DISABLE;
// Do any games use these a noticable amount? (apparently, some, like Grand Knights History)
switch ((op >> 16) & 31) {
case 6: // vfad
break;
case 7: // vavg
break;
}
}
void Jit::Comp_Vsgn(MIPSOpcode op) {
NEON_IF_AVAILABLE(CompNEON_Vsgn);
CONDITIONAL_DISABLE;