language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-08-04 12:18:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

Simplify aarch64 mov_reg64_reg64 by delegating to orr_reg64_reg64_reg64

Browse source
This commit is contained in:
Ajai Nelson 2023-04-09 14:11:59 -04:00
parent ca0ef8f88f
commit c71d7bb648
No known key found for this signature in database
GPG key ID: 5744FCFB528CB779
1 changed files with 2 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

13
crates/compiler/gen_dev/src/generic64/aarch64.rs
View file

@ -2075,17 +2075,8 @@ fn madd_reg64_reg64_reg64_reg64(
/// `MOV Xd, Xm` -> Move Xm to Xd.
#[inline(always)]
fn mov_reg64_reg64(buf: &mut Vec<'_, u8>, dst: AArch64GeneralReg, src: AArch64GeneralReg) {
// MOV is equvalent to `ORR Xd, XZR, XM` in AARCH64.
let inst = LogicalShiftedRegister::new(LogicalShiftedRegisterParams {
op: LogicalOp::ORR,
shift: ShiftType::LSL,
imm6: 0,
rm: src,
rn: AArch64GeneralReg::ZRSP,
rd: dst,
});
buf.extend(inst.bytes());
// MOV is equivalent to `ORR Xd, XZR, Xm` in AARCH64.
orr_reg64_reg64_reg64(buf, dst, AArch64GeneralReg::ZRSP, src);
}
/// `MOVK Xd, imm16` -> Keeps Xd and moves an optionally shifted imm16 to Xd.