language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-09-27 13:59:08 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

implement signed checked addition

Browse source
This commit is contained in:
Folkert 2022-08-23 20:23:01 +02:00
parent b43c0ac1e3
commit 6869c5d5c8
No known key found for this signature in database
GPG key ID: 1F17F6FFD112B97C
4 changed files with 93 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

66
crates/compiler/gen_dev/src/generic64/mod.rs
View file

@ -289,6 +289,8 @@ pub trait Assembler<GeneralReg: RegTrait, FloatReg: RegTrait>: Sized + Copy {
src2: GeneralReg,
);
fn set_if_overflow(buf: &mut Vec<'_, u8>, dst: GeneralReg);
fn ret(buf: &mut Vec<'_, u8>);
}
@ -309,6 +311,7 @@ pub struct Backend64Bit<
// They are likely to be small enough that it is faster to use a vec and linearly scan it or keep it sorted and binary search.
phantom_asm: PhantomData<ASM>,
phantom_cc: PhantomData<CC>,
target_info: TargetInfo,
env: &'a Env<'a>,
interns: &'a mut Interns,
helper_proc_gen: CodeGenHelp<'a>,
@ -343,6 +346,7 @@ pub fn new_backend_64bit<
Backend64Bit {
phantom_asm: PhantomData,
phantom_cc: PhantomData,
target_info,
env,
interns,
helper_proc_gen: CodeGenHelp::new(env.arena, target_info, env.module_id),
@ -759,11 +763,63 @@ impl<
}
}
fn build_num_add_checked(
&mut self,
dst: &Symbol,
src1: &Symbol,
src2: &Symbol,
num_layout: &Layout<'a>,
) {
use Builtin::Int;
let buf = &mut self.buf;
let fields = [*num_layout, Layout::bool()];
let return_layout = Layout::struct_no_name_order(&fields);
let struct_size = return_layout.stack_size(self.target_info);
let base_offset = self.storage_manager.claim_stack_area(dst, struct_size);
match num_layout {
Layout::Builtin(Int(IntWidth::I64 | IntWidth::I32 | IntWidth::I16 | IntWidth::I8)) => {
let dst_reg = self
.storage_manager
.claim_general_reg(buf, &Symbol::DEV_TMP);
let overflow_reg = self
.storage_manager
.claim_general_reg(buf, &Symbol::DEV_TMP2);
let src1_reg = self.storage_manager.load_to_general_reg(buf, src1);
let src2_reg = self.storage_manager.load_to_general_reg(buf, src2);
ASM::add_reg64_reg64_reg64(buf, dst_reg, src1_reg, src2_reg);
ASM::set_if_overflow(buf, overflow_reg);
ASM::mov_base32_reg64(buf, base_offset, dst_reg);
ASM::mov_base32_reg64(buf, base_offset + 8, overflow_reg);
self.free_symbol(&Symbol::DEV_TMP);
self.free_symbol(&Symbol::DEV_TMP2);
}
Layout::Builtin(Int(IntWidth::U64 | IntWidth::U32 | IntWidth::U16 | IntWidth::U8)) => {
todo!("addChecked for unsigned integers")
}
Layout::Builtin(Builtin::Float(FloatWidth::F64)) => {
todo!("addChecked for f64")
}
Layout::Builtin(Builtin::Float(FloatWidth::F32)) => {
todo!("addChecked for f32")
}
x => todo!("NumAdd: layout, {:?}", x),
}
}
fn build_num_mul(&mut self, dst: &Symbol, src1: &Symbol, src2: &Symbol, layout: &Layout<'a>) {
use Builtin::Int;
match layout {
Layout::Builtin(Builtin::Int(
IntWidth::I64 | IntWidth::I32 | IntWidth::I16 | IntWidth::I8,
)) => {
Layout::Builtin(Int(IntWidth::I64 | IntWidth::I32 | IntWidth::I16 | IntWidth::I8)) => {
let dst_reg = self.storage_manager.claim_general_reg(&mut self.buf, dst);
let src1_reg = self
.storage_manager
@ -773,9 +829,7 @@ impl<
.load_to_general_reg(&mut self.buf, src2);
ASM::imul_reg64_reg64_reg64(&mut self.buf, dst_reg, src1_reg, src2_reg);
}
Layout::Builtin(Builtin::Int(
IntWidth::U64 | IntWidth::U32 | IntWidth::U16 | IntWidth::U8,
)) => {
Layout::Builtin(Int(IntWidth::U64 | IntWidth::U32 | IntWidth::U16 | IntWidth::U8)) => {
let dst_reg = self.storage_manager.claim_general_reg(&mut self.buf, dst);
let src1_reg = self
.storage_manager