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DSPJIT: fix increase/decrease_addr_reg to match interpreter again

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This commit is contained in:
Pierre 2012-10-07 22:35:33 +02:00
parent d3de29c673
commit 5cbe75b389
1 changed files with 16 additions and 6 deletions
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22
Source/Core/Core/Src/DSP/Jit/DSPJitUtil.cpp
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@ -469,13 +469,14 @@ void DSPEmitter::increase_addr_reg(int reg, int _ix_reg)
//eax = dar
XOR(32, R(EAX), R(ECX));
XOR(32, R(EAX), R(tmp1));
LEA(32, ECX, MRegSum(EDX, EDX));
OR(32, R(ECX), Imm8(2));
AND(32, R(EAX), R(ECX));
//if (ix >= 0)
TEST(32, R(ECX), R(ECX));
FixupBranch negative = J_CC(CC_S);
LEA(32, ECX, MRegSum(EDX, EDX));
OR(32, R(ECX), Imm8(2));
AND(32, R(EAX), R(ECX));
//if (dar > wr)
CMP(32, R(EAX), R(EDX));
FixupBranch done = J_CC(CC_BE);
@ -486,6 +487,10 @@ void DSPEmitter::increase_addr_reg(int reg, int _ix_reg)
//else
SetJumpTarget(negative);
LEA(32, ECX, MRegSum(EDX, EDX));
OR(32, R(ECX), Imm8(2));
AND(32, R(EAX), R(ECX));
//if ((((nar + wr + 1) ^ nar) & dar) <= wr)
LEA(32, ECX, MComplex(tmp1, EDX, 1, 1));
XOR(32, R(ECX), R(tmp1));
@ -534,13 +539,14 @@ void DSPEmitter::decrease_addr_reg(int reg)
//eax = dar
XOR(32, R(EAX), R(ECX));
XOR(32, R(EAX), R(tmp1));
LEA(32, ECX, MRegSum(EDX, EDX));
OR(32, R(ECX), Imm8(2));
AND(32, R(EAX), R(ECX));
//if ((u32)ix > 0xFFFF8000) ==> (~ix < 0x00007FFF)
CMP(32, R(ECX), Imm32(0x00007FFF));
FixupBranch positive = J_CC(CC_AE);
LEA(32, ECX, MRegSum(EDX, EDX));
OR(32, R(ECX), Imm8(2));
AND(32, R(EAX), R(ECX));
//if (dar > wr)
CMP(32, R(EAX), R(EDX));
FixupBranch done = J_CC(CC_BE);
@ -551,6 +557,10 @@ void DSPEmitter::decrease_addr_reg(int reg)
//else
SetJumpTarget(positive);
LEA(32, ECX, MRegSum(EDX, EDX));
OR(32, R(ECX), Imm8(2));
AND(32, R(EAX), R(ECX));
//if ((((nar + wr + 1) ^ nar) & dar) <= wr)
LEA(32, ECX, MComplex(tmp1, EDX, 1, 1));
XOR(32, R(ECX), R(tmp1));