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llejit - shift instructions should be correct now

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7458 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Marko Pusljar 2011-04-14 10:14:04 +00:00
parent 92f200e87b
commit 09042aa569
1 changed files with 5 additions and 5 deletions
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10
Source/Core/Core/Src/DSP/Jit/DSPJitArithmetic.cpp
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@ -1401,7 +1401,7 @@ void DSPEmitter::asr16(const UDSPInstruction opc)
// s64 acc = dsp_get_long_acc(areg);
get_long_acc(areg);
// acc >>= 16;
SHR(64, R(RAX), Imm8(16));
SAR(64, R(RAX), Imm8(16));
// dsp_set_long_acc(areg, acc);
set_long_acc(areg);
// Update_SR_Register64(dsp_get_long_acc(areg));
@ -1528,7 +1528,7 @@ void DSPEmitter::asr(const UDSPInstruction opc)
// s64 acc = dsp_get_long_acc(dreg);
get_long_acc(dreg);
// acc >>= shift;
SHR(64, R(RAX), Imm8((u8)shift));
SAR(64, R(RAX), Imm8((u8)shift));
// dsp_set_long_acc(dreg, acc);
set_long_acc(dreg);
@ -1586,7 +1586,7 @@ void DSPEmitter::lsrn(const UDSPInstruction opc)
SHL(64, R(RDX), R(RCX));
FixupBranch exit = J();
SetJumpTarget(shiftLeft);
SAR(64, R(RDX), R(RCX));
SHR(64, R(RDX), R(RCX));
SetJumpTarget(noShift);
SetJumpTarget(exit);
@ -1705,7 +1705,7 @@ void DSPEmitter::lsrnrx(const UDSPInstruction opc)
FixupBranch shiftLeft = J_CC(CC_Z);
NEG(16, R(RCX));
ADD(16, R(RCX), Imm16(0x40));
SAR(64, R(RDX), R(RCX));
SHR(64, R(RDX), R(RCX));
FixupBranch exit = J();
SetJumpTarget(shiftLeft);
SHL(64, R(RDX), R(RCX));
@ -1828,7 +1828,7 @@ void DSPEmitter::lsrnr(const UDSPInstruction opc)
FixupBranch shiftLeft = J_CC(CC_Z);
NEG(16, R(RCX));
ADD(16, R(RCX), Imm16(0x40));
SAR(64, R(RDX), R(RCX));
SHR(64, R(RDX), R(RCX));
FixupBranch exit = J();
SetJumpTarget(shiftLeft);
SHL(64, R(RDX), R(RCX));