preserve-emulation/ppsspp
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Quick implementation of LV.Q and SV.Q in x86/x64 JIT

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Henrik Rydgard committed 2013-01-25 19:50:30 +01:00
1 parent 0930b5b587
commit aabc0aa9ef
8 files changed
+190 -48
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Core/MIPS/ARM/ArmCompLoadStore.cpp
+28 -44
View File
@@ -56,6 +56,32 @@
namespace MIPSComp
{
void Jit::SetR0ToEffectiveAddress(int rs, s16 offset) {
Operand2 op2;
if (offset) {
bool negated;
if (TryMakeOperand2_AllowNegation(offset, op2, &negated)) {
if (!negated)
ADD(R0, gpr.R(rs), op2);
else
SUB(R0, gpr.R(rs), op2);
} else {
// Try to avoid using MOVT
if (offset < 0) {
ARMABI_MOVI2R(R0, (u32)(-offset));
SUB(R0, gpr.R(rs), R0);
} else {
ARMABI_MOVI2R(R0, (u32)offset);
ADD(R0, gpr.R(rs), R0);
}
}
BIC(R0, R0, Operand2(0xC0, 4)); // &= 0x3FFFFFFF
} else {
BIC(R0, gpr.R(rs), Operand2(0xC0, 4)); // &= 0x3FFFFFFF
}
}
void Jit::Comp_ITypeMem(u32 op)
{
int offset = (signed short)(op&0xFFFF);
@@ -82,28 +108,7 @@ namespace MIPSComp
ARMABI_MOVI2R(R0, addr);
} else {
gpr.MapDirtyIn(rt, rs);
Operand2 op2;
if (offset) {
bool negated;
if (TryMakeOperand2_AllowNegation(offset, op2, &negated)) {
if (!negated)
ADD(R0, gpr.R(rs), op2);
else
SUB(R0, gpr.R(rs), op2);
} else {
// Try to avoid using MOVT
if (offset < 0) {
ARMABI_MOVI2R(R0, (u32)(-offset));
SUB(R0, gpr.R(rs), R0);
} else {
ARMABI_MOVI2R(R0, (u32)offset);
ADD(R0, gpr.R(rs), R0);
}
}
BIC(R0, R0, Operand2(0xC0, 4)); // &= 0x3FFFFFFF
} else {
BIC(R0, gpr.R(rs), Operand2(0xC0, 4)); // &= 0x3FFFFFFF
}
SetR0ToEffectiveAddress(rs, offset);
}
if (o == 35) {
LDR(gpr.R(rt), R11, R0, true, true);
@@ -131,28 +136,7 @@ namespace MIPSComp
ARMABI_MOVI2R(R0, addr);
} else {
gpr.MapInIn(rt, rs);
Operand2 op2;
if (offset) {
bool negated;
if (TryMakeOperand2_AllowNegation(offset, op2, &negated)) {
if (!negated)
ADD(R0, gpr.R(rs), op2);
else
SUB(R0, gpr.R(rs), op2);
} else {
// Try to avoid using MOVT
if (offset < 0) {
ARMABI_MOVI2R(R0, (u32)(-offset));
SUB(R0, gpr.R(rs), R0);
} else {
ARMABI_MOVI2R(R0, (u32)offset);
ADD(R0, gpr.R(rs), R0);
}
}
BIC(R0, R0, Operand2(0xC0, 4)); // &= 0x3FFFFFFF
} else {
BIC(R0, gpr.R(rs), Operand2(0xC0, 4)); // &= 0x3FFFFFFF
}
SetR0ToEffectiveAddress(rs, offset);
}
if (o == 43) {
STR(R0, gpr.R(rt), R11, true, true);