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Add NumSubWrap as a NumSub copy

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Ahmad Sattar 2023-01-17 18:43:20 +01:00 • committed by Folkert
parent e6926b6fe0
commit bbd4c9886c
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3 changed files with 48 additions and 1 deletions
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22
crates/compiler/gen_dev/src/generic64/mod.rs
View file

@ -1029,6 +1029,28 @@ impl<
}
}
fn build_num_sub_wrap(
&mut self,
dst: &Symbol,
src1: &Symbol,
src2: &Symbol,
layout: &InLayout<'a>,
) {
match self.layout_interner.get(*layout) {
Layout::Builtin(Builtin::Int(IntWidth::I64 | IntWidth::U64)) => {
let dst_reg = self.storage_manager.claim_general_reg(&mut self.buf, dst);
let src1_reg = self
.storage_manager
.load_to_general_reg(&mut self.buf, src1);
let src2_reg = self
.storage_manager
.load_to_general_reg(&mut self.buf, src2);
ASM::sub_reg64_reg64_reg64(&mut self.buf, dst_reg, src1_reg, src2_reg);
}
x => todo!("NumSubWrap: layout, {:?}", x),
}
}
fn build_eq(&mut self, dst: &Symbol, src1: &Symbol, src2: &Symbol, arg_layout: &InLayout<'a>) {
match *arg_layout {
single_register_int_builtins!() => {

25
crates/compiler/gen_dev/src/lib.rs
View file

@ -516,6 +516,22 @@ trait Backend<'a> {
);
self.build_num_sub(sym, &args[0], &args[1], ret_layout)
}
LowLevel::NumSubWrap => {
debug_assert_eq!(
2,
args.len(),
"NumSubWrap: expected to have exactly two argument"
);
debug_assert_eq!(
arg_layouts[0], arg_layouts[1],
"NumSubWrap: expected all arguments of to have the same layout"
);
debug_assert_eq!(
arg_layouts[0], *ret_layout,
"NumSubWrap: expected to have the same argument and return layout"
);
self.build_num_sub_wrap(sym, &args[0], &args[1], ret_layout)
}
LowLevel::NumBitwiseAnd => {
if let Layout::Builtin(Builtin::Int(int_width)) = self.interner().get(*ret_layout) {
self.build_int_bitwise_and(sym, &args[0], &args[1], int_width)
@ -795,6 +811,15 @@ trait Backend<'a> {
/// build_num_sub stores the `src1 - src2` difference into dst.
fn build_num_sub(&mut self, dst: &Symbol, src1: &Symbol, src2: &Symbol, layout: &InLayout<'a>);
/// build_num_sub_wrap stores the `src1 - src2` difference into dst.
fn build_num_sub_wrap(
&mut self,
dst: &Symbol,
src1: &Symbol,
src2: &Symbol,
layout: &InLayout<'a>,
);
/// stores the `src1 & src2` into dst.
fn build_int_bitwise_and(
&mut self,