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Committing magumagu9's work on IMUL JIT

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1241 8ced0084-cf51-0410-be5f-012b33b47a6e
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XTra.KrazzY committed 2008-11-22 12:10:35 +00:00
1 parent fb2b57a47c
commit 145f80fc00
3 files changed
+75 -25
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Source/Core/Core/Src/PowerPC/Jit64/Jit_Integer.cpp
+14 -24
View File
@@ -486,19 +486,11 @@ namespace Jit64
#endif
INSTRUCTION_START;
int a = inst.RA, d = inst.RD;
gpr.FlushLockX(EDX);
gpr.Lock(a, d);
if (d != a) {
gpr.LoadToX64(d, false, true);
} else {
gpr.LoadToX64(d, true, true);
}
MOV(32, R(EAX), gpr.R(a));
MOV(32, R(EDX), Imm32((u32)(s32)inst.SIMM_16));
IMUL(32, R(EDX));
MOV(32, gpr.R(d), R(EAX));
gpr.UnlockAll();
gpr.UnlockAllX();
gpr.Lock(a, d);
gpr.LoadToX64(d, (d == a), true);
gpr.KillImmediate(a);
IMUL(32, gpr.RX(d), gpr.R(a), Imm32((u32)(s32)inst.SIMM_16));
gpr.UnlockAll();
}
void mullwx(UGeckoInstruction inst)
@@ -509,21 +501,19 @@ namespace Jit64
#endif
INSTRUCTION_START;
int a = inst.RA, b = inst.RB, d = inst.RD;
gpr.FlushLockX(EDX);
gpr.Lock(a, b, d);
if (d != a && d != b) {
gpr.LoadToX64(d, false, true);
gpr.Lock(a, b, d);
gpr.LoadToX64(d, (d == a || d == b), true);
if (d == a) {
IMUL(32, gpr.RX(d), gpr.R(b));
} else if (d == b) {
IMUL(32, gpr.RX(d), gpr.R(a));
} else {
gpr.LoadToX64(d, true, true);
MOV(32, gpr.R(d), gpr.R(b));
IMUL(32, gpr.RX(d), gpr.R(a));
}
MOV(32, R(EAX), gpr.R(a));
gpr.KillImmediate(b);
IMUL(32, gpr.R(b));
MOV(32, gpr.R(d), R(EAX));
gpr.UnlockAll();
gpr.UnlockAllX();
// result is already in eax
if (inst.Rc) {
MOV(32, R(EAX), gpr.R(d));
CALL((u8*)Asm::computeRc);
}
}