diff options
| author | Tilka <tilkax@gmail.com> | 2020-08-08 19:08:24 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-08-08 19:08:24 +0100 |
| commit | 340c08a88d4e86de820afd07d9da5050be8740ee (patch) | |
| tree | 1dc40abe4be130e16ef96c971c5f0ca1698f9732 /Source | |
| parent | 320194420888ea732c5521f893ed29cae1581270 (diff) | |
| parent | 363f3f82bbedd05701a1c4cda6c440f833ef7f12 (diff) | |
Merge pull request #9008 from Sintendo/dspjitlea
DSPJit: Various minor improvements
Diffstat (limited to 'Source')
| -rw-r--r-- | Source/Core/Core/DSP/Jit/x64/DSPJitBranch.cpp | 6 | ||||
| -rw-r--r-- | Source/Core/Core/DSP/Jit/x64/DSPJitMultiplier.cpp | 7 | ||||
| -rw-r--r-- | Source/Core/Core/DSP/Jit/x64/DSPJitRegCache.cpp | 9 |
3 files changed, 7 insertions, 15 deletions
diff --git a/Source/Core/Core/DSP/Jit/x64/DSPJitBranch.cpp b/Source/Core/Core/DSP/Jit/x64/DSPJitBranch.cpp index e08a6ac57e..339d81b4e3 100644 --- a/Source/Core/Core/DSP/Jit/x64/DSPJitBranch.cpp +++ b/Source/Core/Core/DSP/Jit/x64/DSPJitBranch.cpp @@ -38,7 +38,7 @@ void DSPEmitter::ReJitConditional(const UDSPInstruction opc, case 0x3: // LE - Less Equal LEA(16, EDX, MScaled(EAX, SCALE_4, 0)); XOR(16, R(EAX), R(EDX)); - LEA(16, EAX, MScaled(EAX, SCALE_2, 0)); + ADD(16, R(EAX), R(EAX)); OR(16, R(EAX), R(EDX)); TEST(16, R(EAX), Imm16(0x10)); break; @@ -56,9 +56,9 @@ void DSPEmitter::ReJitConditional(const UDSPInstruction opc, break; case 0xa: // ? case 0xb: // ? - LEA(16, EDX, MScaled(EAX, SCALE_2, 0)); + LEA(16, EDX, MRegSum(EAX, EAX)); OR(16, R(EAX), R(EDX)); - LEA(16, EDX, MScaled(EDX, SCALE_8, 0)); + SHL(16, R(EDX), Imm8(3)); NOT(16, R(EAX)); OR(16, R(EAX), R(EDX)); TEST(16, R(EAX), Imm16(0x20)); diff --git a/Source/Core/Core/DSP/Jit/x64/DSPJitMultiplier.cpp b/Source/Core/Core/DSP/Jit/x64/DSPJitMultiplier.cpp index 79e6252f12..5e102ab25f 100644 --- a/Source/Core/Core/DSP/Jit/x64/DSPJitMultiplier.cpp +++ b/Source/Core/Core/DSP/Jit/x64/DSPJitMultiplier.cpp @@ -30,7 +30,7 @@ void DSPEmitter::multiply() TEST(16, sr_reg, Imm16(SR_MUL_MODIFY)); FixupBranch noMult2 = J_CC(CC_NZ); // prod <<= 1; - LEA(64, RAX, MRegSum(RAX, RAX)); + ADD(64, R(RAX), R(RAX)); SetJumpTarget(noMult2); m_gpr.PutReg(DSP_REG_SR, false); // return prod; @@ -130,7 +130,7 @@ void DSPEmitter::multiply_mulx(u8 axh0, u8 axh1) TEST(16, sr_reg, Imm16(SR_MUL_MODIFY)); FixupBranch noMult2 = J_CC(CC_NZ); // prod <<= 1; - LEA(64, RAX, MRegSum(RAX, RAX)); + ADD(64, R(RAX), R(RAX)); SetJumpTarget(noMult2); m_gpr.PutReg(DSP_REG_SR, false); // return prod; @@ -252,8 +252,7 @@ void DSPEmitter::addpaxz(const UDSPInstruction opc) get_long_acx(sreg, tmp1); MOV(64, R(RDX), R(tmp1)); // s64 res = prod + (ax & ~0xffff); - MOV(64, R(RAX), Imm64(~0xffff)); - AND(64, R(RDX), R(RAX)); + AND(64, R(RDX), Imm32(~0xffff)); // s64 prod = dsp_get_long_prod_round_prodl(); get_long_prod_round_prodl(); ADD(64, R(RAX), R(RDX)); diff --git a/Source/Core/Core/DSP/Jit/x64/DSPJitRegCache.cpp b/Source/Core/Core/DSP/Jit/x64/DSPJitRegCache.cpp index ed8af72355..2b2850fe36 100644 --- a/Source/Core/Core/DSP/Jit/x64/DSPJitRegCache.cpp +++ b/Source/Core/Core/DSP/Jit/x64/DSPJitRegCache.cpp @@ -835,14 +835,7 @@ void DSPJitRegCache::WriteReg(int dreg, OpArg arg) m_emitter.MOV(32, reg, Imm32(arg.Imm32())); break; case 8: - if ((u32)arg.Imm64() == arg.Imm64()) - { - m_emitter.MOV(64, reg, Imm32((u32)arg.Imm64())); - } - else - { - m_emitter.MOV(64, reg, Imm64(arg.Imm64())); - } + m_emitter.MOV(64, reg, Imm64(arg.Imm64())); break; default: ASSERT_MSG(DSPLLE, 0, "unsupported memory size"); |