func buildField(b *builder, this codegen.Ref, field *types.Field) *ref {
retIR := codegen.NewAddrRef(
this,
field.T.Size(),
field.Offset(),
types.IsByte(field.T),
true,
)
return newAddressableRef(field.T, retIR)
}
func buildArrayGet(b *builder, expr *tast.IndexExpr, array *ref) *ref {
index := buildArrayIndex(b, expr.Index)
base, n, et := loadArray(b, array)
checkInRange(b, index, n, "u<")
addr := b.newPtr()
b.b.Arith(addr, index, "*", ir.Snum(arrayElementSize(et)))
b.b.Arith(addr, base, "+", addr)
size := et.Size()
retIR := ir.NewAddrRef(
addr, // base address
size, // size
0, // dynamic offset; precalculated
types.IsByte(et), // isByte
true, // isAlign
)
return newAddressableRef(et, retIR)
}
func (b *builder) newLocal(t types.T, name string) ir.Ref {
return b.f.NewLocal(t.Size(), name,
types.IsByte(t), t.RegSizeAlign(),
)
}
func (b *builder) newGlobalVar(t types.T, name string) ir.Ref {
name = b.anonyName(name)
return b.p.NewGlobalVar(t.Size(), name, types.IsByte(t), t.RegSizeAlign())
}
func (b *builder) newTempIR(t types.T) ir.Ref {
return b.f.NewTemp(t.Size(), types.IsByte(t), t.RegSizeAlign())
}