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dev backend unsigned multiply: round 2

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Folkert 2022-08-18 23:11:54 +02:00
parent 3f6f070042
commit 2a302cfc46
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4 changed files with 30 additions and 11 deletions
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20
crates/compiler/gen_dev/src/generic64/mod.rs
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@ -21,7 +21,7 @@ mod disassembler_test_macro;
pub(crate) mod storage;
pub(crate) mod x86_64;
use storage::StorageManager;
use storage::{RegStorage, StorageManager};
const REFCOUNT_ONE: u64 = i64::MIN as u64;
// TODO: on all number functions double check and deal with over/underflow.
@ -773,14 +773,24 @@ impl<
Layout::Builtin(Builtin::Int(
IntWidth::U64 | IntWidth::U32 | IntWidth::U16 | IntWidth::U8,
)) => {
// TODO find a general way to do this
let rax = CC::GENERAL_RETURN_REGS[0];
let rdx = CC::GENERAL_RETURN_REGS[1];
self.storage_manager
.ensure_reg_free(&mut self.buf, RegStorage::General(rax));
self.storage_manager
.ensure_reg_free(&mut self.buf, RegStorage::General(rdx));
self.storage_manager
.load_to_specified_general_reg(&mut self.buf, src1, rax);
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);
ASM::umul_reg64_reg64_reg64(&mut self.buf, dst_reg, rax, src2_reg);
}
Layout::Builtin(Builtin::Float(FloatWidth::F64)) => {
let dst_reg = self.storage_manager.claim_float_reg(&mut self.buf, dst);