mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Remove unchecked_add/sub/mul/shl/shr from CTFE/cg_ssa/cg_clif

Browse Source
This commit is contained in:
Scott McMurray 2023-06-03 02:38:22 -07:00
parent 9efe5e746a
commit 0c3e15283f
1 changed files with 3 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/intrinsics/mod.rs
View File

@ -472,25 +472,11 @@ fn codegen_regular_intrinsic_call<'tcx>(
ret.write_cvalue(fx, CValue::by_val(align, usize_layout));
}
sym::unchecked_add
| sym::unchecked_sub
| sym::unchecked_mul
| sym::exact_div
| sym::unchecked_shl
| sym::unchecked_shr => {
sym::exact_div => {
intrinsic_args!(fx, args => (x, y); intrinsic);
// FIXME trap on overflow
let bin_op = match intrinsic {
sym::unchecked_add => BinOp::Add,
sym::unchecked_sub => BinOp::Sub,
sym::unchecked_mul => BinOp::Mul,
sym::exact_div => BinOp::Div,
sym::unchecked_shl => BinOp::Shl,
sym::unchecked_shr => BinOp::Shr,
_ => unreachable!(),
};
let res = crate::num::codegen_int_binop(fx, bin_op, x, y);
// FIXME trap on inexact
let res = crate::num::codegen_int_binop(fx, BinOp::Div, x, y);
ret.write_cvalue(fx, res);
}
sym::saturating_add | sym::saturating_sub => {