func (v *allocator) allocFunction(fn *ir.Function) {
switch fn.CallConv() {
case ir.CCallConv, ir.X86_StdCallConv:
parPos := 8
for _, par := range fn.Parameters() {
v.locs[par] = &location{
stackPos: parPos,
}
bytes := v.target.TypeSize(par.Type())
if bytes%2 == 1 {
bytes++
}
parPos += bytes
}
default:
panic("x86 target does not support " + fn.CallConv().String())
}
for _, block := range fn.Blocks() {
for _, instr := range block.Instrs() {
if !instr.Type().IsVoid() {
v.addValue(instr)
}
}
}
}
