[ARM] Some initial support for immediates in integer. Plenty more to go.

This commit is contained in:
Ryan Houdek 2013-08-05 19:48:15 +00:00
parent 4752eae677
commit 873987bc99
1 changed files with 33 additions and 15 deletions

View File

@ -59,18 +59,18 @@ void JitArm::addi(UGeckoInstruction inst)
{
INSTRUCTION_START
JITDISABLE(Integer)
u32 d = inst.RD, a = inst.RA;
if (a)
{
if (gpr.IsImm(a) && gpr.IsImm(d))
if (gpr.IsImm(a))
{
gpr.SetImmediate(d, gpr.GetImm(d) + gpr.GetImm(a) + inst.SIMM_16);
gpr.SetImmediate(d, gpr.GetImm(a) + inst.SIMM_16);
return;
}
ARMReg rA = gpr.GetReg(false);
ARMReg RA = gpr.R(inst.RA);
ARMReg RD = gpr.R(inst.RD);
ARMReg RA = gpr.R(a);
ARMReg RD = gpr.R(d);
MOVI2R(rA, (u32)inst.SIMM_16);
ADD(RD, RA, rA);
}
@ -81,17 +81,23 @@ void JitArm::addis(UGeckoInstruction inst)
{
INSTRUCTION_START
JITDISABLE(Integer)
ARMReg RD = gpr.R(inst.RD);
if (inst.RA)
u32 d = inst.RD, a = inst.RA;
if (a)
{
if (gpr.IsImm(a))
{
gpr.SetImmediate(d, gpr.GetImm(a) + (inst.SIMM_16 << 16));
return;
}
ARMReg rA = gpr.GetReg(false);
ARMReg RA = gpr.R(inst.RA);
ARMReg RA = gpr.R(a);
ARMReg RD = gpr.R(d);
MOVI2R(rA, inst.SIMM_16 << 16);
ADD(RD, RA, rA);
}
else
MOVI2R(RD, inst.SIMM_16 << 16);
gpr.SetImmediate(d, inst.SIMM_16 << 16);
}
void JitArm::addx(UGeckoInstruction inst)
{
@ -120,9 +126,15 @@ void JitArm::mulli(UGeckoInstruction inst)
{
INSTRUCTION_START
JITDISABLE(Integer)
u32 a = inst.RA, d = inst.RD;
ARMReg RA = gpr.R(inst.RA);
ARMReg RD = gpr.R(inst.RD);
if (gpr.IsImm(a))
{
gpr.SetImmediate(d, gpr.GetImm(a) * inst.SIMM_16);
return;
}
ARMReg RA = gpr.R(a);
ARMReg RD = gpr.R(d);
ARMReg rA = gpr.GetReg();
MOVI2R(rA, inst.SIMM_16);
MUL(RD, RA, rA);
@ -133,9 +145,15 @@ void JitArm::ori(UGeckoInstruction inst)
{
INSTRUCTION_START
JITDISABLE(Integer)
ARMReg RA = gpr.R(inst.RA);
ARMReg RS = gpr.R(inst.RS);
u32 a = inst.RA, s = inst.RS;
if (gpr.IsImm(s))
{
gpr.SetImmediate(s, gpr.GetImm(a) | inst.UIMM);
return;
}
ARMReg RA = gpr.R(a);
ARMReg RS = gpr.R(s);
ARMReg rA = gpr.GetReg();
MOVI2R(rA, inst.UIMM);
ORR(RA, RS, rA);