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authorMerryMage <MerryMage@users.noreply.github.com>2018-10-15 21:00:58 +0100
committerMerryMage <MerryMage@users.noreply.github.com>2018-10-28 17:57:44 +0000
commit497ac5789d1f660a9ee4c19644f09f97a78ce069 (patch)
treeeff3ab061c8151527a148fba43b95f1800977231 /Source/Core
parent64c29ab942496afc3278aef7c6f28309bca6067a (diff)
Jit_Integer: subfx
Diffstat (limited to 'Source/Core')
-rw-r--r--Source/Core/Core/PowerPC/Jit64/Jit_Integer.cpp26
1 files changed, 14 insertions, 12 deletions
diff --git a/Source/Core/Core/PowerPC/Jit64/Jit_Integer.cpp b/Source/Core/Core/PowerPC/Jit64/Jit_Integer.cpp
index e576680a06..33747bc528 100644
--- a/Source/Core/Core/PowerPC/Jit64/Jit_Integer.cpp
+++ b/Source/Core/Core/PowerPC/Jit64/Jit_Integer.cpp
@@ -944,38 +944,40 @@ void Jit64::subfx(UGeckoInstruction inst)
JITDISABLE(bJITIntegerOff);
int a = inst.RA, b = inst.RB, d = inst.RD;
- if (gpr.R(a).IsImm() && gpr.R(b).IsImm())
+ if (gpr.IsImm(a) && gpr.IsImm(b))
{
- s32 i = gpr.R(b).SImm32(), j = gpr.R(a).SImm32();
+ s32 i = gpr.SImm32(b), j = gpr.SImm32(a);
gpr.SetImmediate32(d, i - j);
if (inst.OE)
GenerateConstantOverflow((s64)i - (s64)j);
}
else
{
- gpr.Lock(a, b, d);
- gpr.BindToRegister(d, (d == a || d == b), true);
+ RCOpArg Ra = gpr.Use(a, RCMode::Read);
+ RCOpArg Rb = gpr.Use(b, RCMode::Read);
+ RCX64Reg Rd = gpr.Bind(d, RCMode::Write);
+ RegCache::Realize(Ra, Rb, Rd);
+
if (d == b)
{
- SUB(32, gpr.R(d), gpr.R(a));
+ SUB(32, Rd, Ra);
}
else if (d == a)
{
- MOV(32, R(RSCRATCH), gpr.R(a));
- MOV(32, gpr.R(d), gpr.R(b));
- SUB(32, gpr.R(d), R(RSCRATCH));
+ MOV(32, R(RSCRATCH), Ra);
+ MOV(32, Rd, Rb);
+ SUB(32, Rd, R(RSCRATCH));
}
else
{
- MOV(32, gpr.R(d), gpr.R(b));
- SUB(32, gpr.R(d), gpr.R(a));
+ MOV(32, Rd, Rb);
+ SUB(32, Rd, Ra);
}
if (inst.OE)
GenerateOverflow();
}
if (inst.Rc)
- ComputeRC(gpr.R(d));
- gpr.UnlockAll();
+ ComputeRC(d);
}
void Jit64::MultiplyImmediate(u32 imm, int a, int d, bool overflow)