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

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This commit is contained in:
Scott McMurray 2023-06-03 02:38:22 -07:00
parent 39788e07ba
commit 3fd8501823
3 changed files with 9 additions and 91 deletions
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49
compiler/rustc_codegen_ssa/src/mir/intrinsic.rs
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@ -211,52 +211,15 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
args[1].val.unaligned_volatile_store(bx, dst);
return;
}
| sym::unchecked_shl
| sym::unchecked_shr
| sym::unchecked_add
| sym::unchecked_sub
| sym::unchecked_mul
| sym::exact_div => {
sym::exact_div => {
let ty = arg_tys[0];
match int_type_width_signed(ty, bx.tcx()) {
Some((_width, signed)) => match name {
sym::exact_div => {
if signed {
bx.exactsdiv(args[0].immediate(), args[1].immediate())
} else {
bx.exactudiv(args[0].immediate(), args[1].immediate())
}
Some((_width, signed)) => {
if signed {
bx.exactsdiv(args[0].immediate(), args[1].immediate())
} else {
bx.exactudiv(args[0].immediate(), args[1].immediate())
}
sym::unchecked_shl => bx.shl(args[0].immediate(), args[1].immediate()),
sym::unchecked_shr => {
if signed {
bx.ashr(args[0].immediate(), args[1].immediate())
} else {
bx.lshr(args[0].immediate(), args[1].immediate())
}
}
sym::unchecked_add => {
if signed {
bx.unchecked_sadd(args[0].immediate(), args[1].immediate())
} else {
bx.unchecked_uadd(args[0].immediate(), args[1].immediate())
}
}
sym::unchecked_sub => {
if signed {
bx.unchecked_ssub(args[0].immediate(), args[1].immediate())
} else {
bx.unchecked_usub(args[0].immediate(), args[1].immediate())
}
}
sym::unchecked_mul => {
if signed {
bx.unchecked_smul(args[0].immediate(), args[1].immediate())
} else {
bx.unchecked_umul(args[0].immediate(), args[1].immediate())
}
}
_ => bug!(),
},
None => {
bx.tcx().sess.emit_err(InvalidMonomorphization::BasicIntegerType { span, name, ty });