NIns *Assembler::genEpilogue()
{
underrunProtect(12);
RESTORE(G0, G0, G0); //restore
JMPLI(I7, 8, G0); //ret
ORI(O0, 0, I0);
return _nIns;
}
void Assembler::asm_call(LInsp ins)
{
Register retReg = ( ins->isop(LIR_fcall) ? F0 : retRegs[0] );
prepResultReg(ins, rmask(retReg));
// Do this after we've handled the call result, so we don't
// force the call result to be spilled unnecessarily.
evictScratchRegs();
const CallInfo* call = ins->callInfo();
underrunProtect(8);
NOP();
ArgSize sizes[MAXARGS];
uint32_t argc = call->get_sizes(sizes);
NanoAssert(ins->isop(LIR_pcall) || ins->isop(LIR_fcall));
verbose_only(if (_logc->lcbits & LC_Assembly)
outputf(" %p:", _nIns);
)
void Assembler::asm_ld(LIns *ins) {
LIns* base = ins->oprnd1();
int d = ins->disp();
Register rr = prepResultReg(ins, GpRegs);
Register ra = getBaseReg(ins->opcode(), base, d, GpRegs);
#if !PEDANTIC
if (isS16(d)) {
if (ins->isop(LIR_ldcb)) {
LBZ(rr, d, ra);
} else {
LWZ(rr, d, ra);
}
return;
}
#endif
// general case
underrunProtect(12);
LWZX(rr, ra, R0); // rr = [ra+R0]
asm_li(R0,d);
}
