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Implement VROT in both JITs, as it's heavily used by a few games.

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Another ~1-3% in FF:CC.
This commit is contained in:
Henrik Rydgard 2013-07-28 18:21:16 +02:00
parent daaed2183f
commit 6ecd0194fa
2 changed files with 155 additions and 1 deletions
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83
Core/MIPS/ARM/ArmCompVFPU.cpp
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@ -15,6 +15,8 @@
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include <cmath>
#include "../../MemMap.h"
#include "../MIPSAnalyst.h"
#include "Common/CPUDetect.h"
@ -1041,7 +1043,88 @@ namespace MIPSComp
DISABLE;
}
static float sincostemp[2];
void SinCos(float angle) {
#ifndef M_PI_2
#define M_PI_2 1.57079632679489661923
#endif
angle *= (float)M_PI_2;
sincostemp[0] = sinf(angle);
sincostemp[1] = cosf(angle);
}
// sincosf is unavailable in the Android NDK:
// https://code.google.com/p/android/issues/detail?id=38423
void SinCosNegSin(float angle) {
#ifndef M_PI_2
#define M_PI_2 1.57079632679489661923
#endif
angle *= (float)M_PI_2;
sincostemp[0] = -sinf(angle);
sincostemp[1] = cosf(angle);
}
// Very heavily used by FF:CC
void Jit::Comp_VRot(u32 op) {
// Not sure about the ABI so I disable on non-Android.
#if !defined(ARMV7) || !defined(ANDROID)
DISABLE;
#endif
CONDITIONAL_DISABLE;
int vd = _VD;
int vs = _VS;
VectorSize sz = GetVecSize(op);
int n = GetNumVectorElements(sz);
u8 dregs[4];
u8 sreg;
GetVectorRegs(dregs, sz, vd);
GetVectorRegs(&sreg, V_Single, vs);
int imm = (op >> 16) & 0x1f;
gpr.FlushAll();
fpr.FlushAll();
bool negSin = (imm & 0x10) ? true : false;
fpr.MapRegV(sreg);
// Silly Android calling conventions, not passing arguments in float regs! (no hardfloat!)
// We should write a custom pure-asm function instead.
VMOV(R0, fpr.V(sreg));
QuickCallFunction(R1, negSin ? (void *)&SinCosNegSin : (void *)&SinCos);
MOVI2R(R0, (u32)(&sincostemp[0]));
VLDR(S0, R0, 0);
VLDR(S1, R0, 4);
char what[4] = {'0', '0', '0', '0'};
if (((imm >> 2) & 3) == (imm & 3)) {
for (int i = 0; i < 4; i++)
what[i] = 'S';
}
what[(imm >> 2) & 3] = 'S';
what[imm & 3] = 'C';
for (int i = 0; i < n; i++) {
fpr.MapRegV(dregs[i], MAP_DIRTY | MAP_NOINIT);
fpr.SpillLockV(dregs[i]);
switch (what[i]) {
case 'C': VMOV(fpr.V(dregs[i]), S1); break;
case 'S': VMOV(fpr.V(dregs[i]), S0); break;
case '0':
{
MOVI2F(fpr.V(dregs[i]), 0.0f, R0);
break;
}
default:
ERROR_LOG(HLE, "Bad what in vrot");
break;
}
}
fpr.ReleaseSpillLocks();
}
}

73
Core/MIPS/x86/CompVFPU.cpp
View File

@ -1193,7 +1193,78 @@ void Jit::Comp_Vhoriz(u32 op) {
DISABLE;
}
static float sincostemp[2];
void SinCos(float angle) {
#ifndef M_PI_2
#define M_PI_2 1.57079632679489661923
#endif
angle *= (float)M_PI_2;
sincostemp[0] = sinf(angle);
sincostemp[1] = cosf(angle);
}
void SinCosNegSin(float angle) {
#ifndef M_PI_2
#define M_PI_2 1.57079632679489661923
#endif
angle *= (float)M_PI_2;
sincostemp[0] = -sinf(angle);
sincostemp[1] = cosf(angle);
}
// Very heavily used by FF:CC
void Jit::Comp_VRot(u32 op) {
DISABLE;
// DISABLE;
CONDITIONAL_DISABLE;
int vd = _VD;
int vs = _VS;
VectorSize sz = GetVecSize(op);
int n = GetNumVectorElements(sz);
u8 dregs[4];
u8 sreg;
GetVectorRegs(dregs, sz, vd);
GetVectorRegs(&sreg, V_Single, vs);
int imm = (op >> 16) & 0x1f;
gpr.Flush();
fpr.Flush();
bool negSin = (imm & 0x10) ? true : false;
MOVSS(XMM0, fpr.V(sreg));
ABI_CallFunction(negSin ? (void *)&SinCosNegSin : (void *)&SinCos);
MOVSS(XMM0, M(&sincostemp[0]));
MOVSS(XMM1, M(&sincostemp[1]));
char what[4] = {'0', '0', '0', '0'};
if (((imm >> 2) & 3) == (imm & 3)) {
for (int i = 0; i < 4; i++)
what[i] = 'S';
}
what[(imm >> 2) & 3] = 'S';
what[imm & 3] = 'C';
for (int i = 0; i < n; i++) {
fpr.MapRegV(dregs[i], MAP_DIRTY | MAP_NOINIT);
switch (what[i]) {
case 'C': MOVSS(fpr.V(dregs[i]), XMM1); break;
case 'S': MOVSS(fpr.V(dregs[i]), XMM0); break;
case '0':
{
XORPS(fpr.VX(dregs[i]), fpr.V(dregs[i]));
break;
}
default:
ERROR_LOG(HLE, "Bad what in vrot");
break;
}
}
fpr.ReleaseSpillLocks();
}
}