| Line 98... |
Line 98... |
}
|
}
|
else
|
else
|
printf("DIAG - register stack underflow.\r\n");
|
printf("DIAG - register stack underflow.\r\n");
|
}
|
}
|
|
|
|
//int SaveTempRegs()
|
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//{
|
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// if (popcnt(regmask)==1) {
|
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// GenerateTriadic(op_subui,0,makereg(30),makereg(30),make_immed(8));
|
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// GenerateTriadic(op_sw,0,make_mask(regmask),make_indirect(30),NULL);
|
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// }
|
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// else if (regmask != 0) {
|
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// GenerateTriadic(op_subui,0,makereg(30),makereg(30),make_immed(popcnt(regmask)*8));
|
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// GenerateTriadic(op_sm,0,make_indirect(30),make_mask(regmask),NULL);
|
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// }
|
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// return regmask;
|
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//}
|
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//
|
|
|
int SaveTempRegs()
|
int SaveTempRegs()
|
{
|
{
|
|
int n;
|
|
int rm;
|
|
|
if (regmask != 0) {
|
if (regmask != 0) {
|
GenerateTriadic(op_subui,0,makereg(30),makereg(30),make_immed(popcnt(regmask)*8));
|
GenerateTriadic(op_subui,0,makereg(30),makereg(30),make_immed(popcnt(regmask)*8));
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GenerateTriadic(op_sm,0,make_indirect(30),make_mask(regmask),NULL);
|
for (n = 1, rm = regmask; rm != 0; n = n + 1,rm = rm >> 1)
|
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if (rm & 1)
|
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GenerateDiadic(op_sw,0,makereg(n),make_indexed((popcnt(rm)-1)*8,30));
|
}
|
}
|
return regmask;
|
return regmask;
|
}
|
}
|
|
|
|
|
void RestoreTempRegs(int rgmask)
|
void RestoreTempRegs(int rgmask)
|
{
|
{
|
|
int n;
|
|
int rm;
|
|
|
if (rgmask != 0) {
|
if (rgmask != 0) {
|
GenerateTriadic(op_lm,0,make_indirect(30),make_mask(rgmask),NULL);
|
for (n = 1, rm = rgmask; rm != 0; n = n + 1,rm = rm >> 1)
|
|
if (rm & 1)
|
|
GenerateDiadic(op_lw,0,makereg(n),make_indexed((popcnt(rm)-1)*8,30));
|
GenerateTriadic(op_addui,0,makereg(30),makereg(30),make_immed(popcnt(rgmask)*8));
|
GenerateTriadic(op_addui,0,makereg(30),makereg(30),make_immed(popcnt(rgmask)*8));
|
}
|
}
|
}
|
}
|
|
|
|
|
|
//void RestoreTempRegs(int rgmask)
|
|
//{
|
|
// if (popcnt(rgmask)==1) {
|
|
// GenerateTriadic(op_lw,0,make_mask(rgmask),make_indirect(30),NULL);
|
|
// GenerateTriadic(op_addui,0,makereg(30),makereg(30),make_immed(8));
|
|
// }
|
|
// else if (rgmask != 0) {
|
|
// GenerateTriadic(op_lm,0,make_indirect(30),make_mask(rgmask),NULL);
|
|
// GenerateTriadic(op_addui,0,makereg(30),makereg(30),make_immed(popcnt(rgmask)*8));
|
|
// }
|
|
//}
|
|
//
|
void ReleaseTempRegister(struct amode *ap)
|
void ReleaseTempRegister(struct amode *ap)
|
{
|
{
|
if (ap==NULL) {
|
if (ap==NULL) {
|
printf("DIAG - NULL pointer in ReleaseTempRegister\r\n");
|
printf("DIAG - NULL pointer in ReleaseTempRegister\r\n");
|
return;
|
return;
|
