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VFPUutil style & simplification

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This commit is contained in:
Henrik Rydgard 2013-02-15 23:09:02 +01:00
parent 909b768f47
commit 159f423135
1 changed files with 26 additions and 40 deletions
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66
Core/MIPS/MIPSVFPUUtils.cpp
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@ -32,16 +32,14 @@ void GetVectorRegs(u8 regs[4], VectorSize N, int vectorReg) {
int length = 0;
int transpose = (vectorReg>>5) & 1;
switch (N)
{
switch (N) {
case V_Single: transpose = 0; row=(vectorReg>>5)&3; length = 1; break;
case V_Pair: row=(vectorReg>>5)&2; length = 2; break;
case V_Triple: row=(vectorReg>>6)&1; length = 3; break;
case V_Quad: row=(vectorReg>>5)&2; length = 4; break;
}
for (int i = 0; i < length; i++)
{
for (int i = 0; i < length; i++) {
int index = mtx * 4;
if (transpose)
index += ((row+i)&3) + col*32;
@ -58,8 +56,7 @@ void GetMatrixRegs(u8 regs[16], MatrixSize N, int matrixReg) {
int row = 0;
int side = 0;
switch (N)
{
switch (N) {
case M_2x2: row = (matrixReg>>5)&2; side = 2; break;
case M_3x3: row = (matrixReg>>6)&1; side = 3; break;
case M_4x4: row = (matrixReg>>5)&2; side = 4; break;
@ -67,10 +64,8 @@ void GetMatrixRegs(u8 regs[16], MatrixSize N, int matrixReg) {
int transpose = (matrixReg>>5) & 1;
for (int i = 0; i < side; i++)
{
for (int j = 0; j < side; j++)
{
for (int i = 0; i < side; i++) {
for (int j = 0; j < side; j++) {
int index = mtx * 4;
if (transpose)
index += ((row+i)&3) + ((col+j)&3)*32;
@ -81,8 +76,7 @@ void GetMatrixRegs(u8 regs[16], MatrixSize N, int matrixReg) {
}
}
void ReadVector(float *rd, VectorSize size, int reg)
{
void ReadVector(float *rd, VectorSize size, int reg) {
int mtx = (reg >> 2) & 7;
int col = reg & 3;
int row = 0;
@ -97,24 +91,24 @@ void ReadVector(float *rd, VectorSize size, int reg)
}
if (transpose) {
int base = mtx * 4 + col * 32;
for (int i = 0; i < length; i++)
rd[i] = V(mtx * 4 + ((row+i)&3) + col*32);
rd[i] = V(base + ((row+i)&3));
} else {
int base = mtx * 4 + col;
for (int i = 0; i < length; i++)
rd[i] = V(mtx * 4 + col + ((row+i)&3)*32);
rd[i] = V(base + ((row+i)&3)*32);
}
}
void WriteVector(const float *rd, VectorSize size, int reg)
{
void WriteVector(const float *rd, VectorSize size, int reg) {
int mtx = (reg>>2)&7;
int col = reg & 3;
int row = 0;
int length = 0;
int transpose = (reg>>5)&1;
switch (size)
{
switch (size) {
case V_Single: transpose = 0; row=(reg>>5)&3; length = 1; break;
case V_Pair: row=(reg>>5)&2; length = 2; break;
case V_Triple: row=(reg>>6)&1; length = 3; break;
@ -123,17 +117,17 @@ void WriteVector(const float *rd, VectorSize size, int reg)
if (currentMIPS->VfpuWriteMask() == 0) {
if (transpose) {
int base = mtx * 4 + col * 32;
for (int i = 0; i < length; i++)
V(mtx * 4 + ((row+i)&3) + col*32) = rd[i];
V(base + ((row+i)&3)) = rd[i];
} else {
int base = mtx * 4 + col;
for (int i = 0; i < length; i++)
V(mtx * 4 + col + ((row+i)&3)*32) = rd[i];
V(base + ((row+i)&3)*32) = rd[i];
}
} else {
for (int i = 0; i < length; i++)
{
if (!currentMIPS->VfpuWriteMask(i))
{
for (int i = 0; i < length; i++) {
if (!currentMIPS->VfpuWriteMask(i)) {
int index = mtx * 4;
if (transpose)
index += ((row+i)&3) + col*32;
@ -145,16 +139,14 @@ void WriteVector(const float *rd, VectorSize size, int reg)
}
}
void ReadMatrix(float *rd, MatrixSize size, int reg)
{
void ReadMatrix(float *rd, MatrixSize size, int reg) {
int mtx = (reg >> 2) & 7;
int col = reg & 3;
int row = 0;
int side = 0;
switch (size)
{
switch (size) {
case M_2x2: row = (reg>>5)&2; side = 2; break;
case M_3x3: row = (reg>>6)&1; side = 3; break;
case M_4x4: row = (reg>>5)&2; side = 4; break;
@ -162,10 +154,8 @@ void ReadMatrix(float *rd, MatrixSize size, int reg)
int transpose = (reg>>5) & 1;
for (int i = 0; i < side; i++)
{
for (int j = 0; j < side; j++)
{
for (int i = 0; i < side; i++) {
for (int j = 0; j < side; j++) {
int index = mtx * 4;
if (transpose)
index += ((row+i)&3) + ((col+j)&3)*32;
@ -176,16 +166,14 @@ void ReadMatrix(float *rd, MatrixSize size, int reg)
}
}
void WriteMatrix(const float *rd, MatrixSize size, int reg)
{
void WriteMatrix(const float *rd, MatrixSize size, int reg) {
int mtx = (reg>>2)&7;
int col = reg&3;
int row = 0;
int side = 0;
switch (size)
{
switch (size) {
case M_2x2: row = (reg>>5)&2; side = 2; break;
case M_3x3: row = (reg>>6)&1; side = 3; break;
case M_4x4: row = (reg>>5)&2; side = 4; break;
@ -193,10 +181,8 @@ void WriteMatrix(const float *rd, MatrixSize size, int reg)
int transpose = (reg>>5)&1;
for (int i=0; i<side; i++)
{
for (int j=0; j<side; j++)
{
for (int i=0; i<side; i++) {
for (int j=0; j<side; j++) {
// Hm, I wonder if this should affect matrices at all.
if (!currentMIPS->VfpuWriteMask(i))
{