diff options
Diffstat (limited to 'compiler/rustc_codegen_ssa/src/mir/intrinsic.rs')
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/mir/intrinsic.rs | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs b/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs index 766dc74cb..7af7fc92d 100644 --- a/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs +++ b/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs @@ -218,9 +218,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { args[1].val.unaligned_volatile_store(bx, dst); return; } - sym::add_with_overflow - | sym::sub_with_overflow - | sym::mul_with_overflow | sym::unchecked_div | sym::unchecked_rem | sym::unchecked_shl @@ -232,28 +229,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let ty = arg_tys[0]; match int_type_width_signed(ty, bx.tcx()) { Some((_width, signed)) => match name { - sym::add_with_overflow - | sym::sub_with_overflow - | sym::mul_with_overflow => { - let op = match name { - sym::add_with_overflow => OverflowOp::Add, - sym::sub_with_overflow => OverflowOp::Sub, - sym::mul_with_overflow => OverflowOp::Mul, - _ => bug!(), - }; - let (val, overflow) = - bx.checked_binop(op, ty, args[0].immediate(), args[1].immediate()); - // Convert `i1` to a `bool`, and write it to the out parameter - let val = bx.from_immediate(val); - let overflow = bx.from_immediate(overflow); - - let dest = result.project_field(bx, 0); - bx.store(val, dest.llval, dest.align); - let dest = result.project_field(bx, 1); - bx.store(overflow, dest.llval, dest.align); - - return; - } sym::exact_div => { if signed { bx.exactsdiv(args[0].immediate(), args[1].immediate()) |