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attempt at unsigned multiplication

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Folkert 2022-08-17 14:14:46 +02:00
parent d39de07b5a
commit 271fbe69e8
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4 changed files with 55 additions and 6 deletions
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22
crates/compiler/gen_dev/src/generic64/mod.rs
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@ -228,6 +228,12 @@ pub trait Assembler<GeneralReg: RegTrait, FloatReg: RegTrait>: Sized + Copy {
src1: GeneralReg,
src2: GeneralReg,
);
fn umul_reg64_reg64_reg64(
buf: &mut Vec<'_, u8>,
dst: GeneralReg,
src1: GeneralReg,
src2: GeneralReg,
);
fn sub_reg64_reg64_imm32(buf: &mut Vec<'_, u8>, dst: GeneralReg, src1: GeneralReg, imm32: i32);
fn sub_reg64_reg64_reg64(
@ -752,7 +758,9 @@ impl<
fn build_num_mul(&mut self, dst: &Symbol, src1: &Symbol, src2: &Symbol, layout: &Layout<'a>) {
match layout {
Layout::Builtin(Builtin::Int(quadword_and_smaller!())) => {
Layout::Builtin(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
@ -762,6 +770,18 @@ 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,
)) => {
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::umul_reg64_reg64_reg64(&mut self.buf, dst_reg, src1_reg, src2_reg);
}
Layout::Builtin(Builtin::Float(FloatWidth::F64)) => {
let dst_reg = self.storage_manager.claim_float_reg(&mut self.buf, dst);
let src1_reg = self.storage_manager.load_to_float_reg(&mut self.buf, src1);