diff options
Diffstat (limited to 'compiler/rustc_codegen_cranelift/src/codegen_i128.rs')
| -rw-r--r-- | compiler/rustc_codegen_cranelift/src/codegen_i128.rs | 27 |
1 files changed, 4 insertions, 23 deletions
diff --git a/compiler/rustc_codegen_cranelift/src/codegen_i128.rs b/compiler/rustc_codegen_cranelift/src/codegen_i128.rs index e16b77648d1..b6a4769e031 100644 --- a/compiler/rustc_codegen_cranelift/src/codegen_i128.rs +++ b/compiler/rustc_codegen_cranelift/src/codegen_i128.rs @@ -23,19 +23,7 @@ pub(crate) fn maybe_codegen<'tcx>( match bin_op { BinOp::BitAnd | BinOp::BitOr | BinOp::BitXor => None, BinOp::Add | BinOp::AddUnchecked | BinOp::Sub | BinOp::SubUnchecked => None, - BinOp::Mul | BinOp::MulUnchecked => { - let args = [lhs.load_scalar(fx), rhs.load_scalar(fx)]; - let ret_val = fx.lib_call( - "__multi3", - vec![AbiParam::new(types::I128), AbiParam::new(types::I128)], - vec![AbiParam::new(types::I128)], - &args, - )[0]; - Some(CValue::by_val( - ret_val, - fx.layout_of(if is_signed { fx.tcx.types.i128 } else { fx.tcx.types.u128 }), - )) - } + BinOp::Mul | BinOp::MulUnchecked => None, BinOp::Offset => unreachable!("offset should only be used on pointers, not 128bit ints"), BinOp::Div | BinOp::Rem => { let name = match (bin_op, is_signed) { @@ -92,6 +80,7 @@ pub(crate) fn maybe_codegen_checked<'tcx>( match bin_op { BinOp::BitAnd | BinOp::BitOr | BinOp::BitXor => unreachable!(), + BinOp::Add | BinOp::Sub => None, BinOp::Mul if is_signed => { let out_ty = Ty::new_tup(fx.tcx, &[lhs.layout().ty, fx.tcx.types.bool]); let oflow = CPlace::new_stack_slot(fx, fx.layout_of(fx.tcx.types.i32)); @@ -112,7 +101,7 @@ pub(crate) fn maybe_codegen_checked<'tcx>( let oflow = fx.bcx.ins().ireduce(types::I8, oflow); Some(CValue::by_val_pair(res, oflow, fx.layout_of(out_ty))) } - BinOp::Add | BinOp::Sub | BinOp::Mul => { + BinOp::Mul => { let out_ty = Ty::new_tup(fx.tcx, &[lhs.layout().ty, fx.tcx.types.bool]); let out_place = CPlace::new_stack_slot(fx, fx.layout_of(out_ty)); let param_types = vec![ @@ -121,15 +110,7 @@ pub(crate) fn maybe_codegen_checked<'tcx>( AbiParam::new(types::I128), ]; let args = [out_place.to_ptr().get_addr(fx), lhs.load_scalar(fx), rhs.load_scalar(fx)]; - let name = match (bin_op, is_signed) { - (BinOp::Add, false) => "__rust_u128_addo", - (BinOp::Add, true) => "__rust_i128_addo", - (BinOp::Sub, false) => "__rust_u128_subo", - (BinOp::Sub, true) => "__rust_i128_subo", - (BinOp::Mul, false) => "__rust_u128_mulo", - _ => unreachable!(), - }; - fx.lib_call(name, param_types, vec![], &args); + fx.lib_call("__rust_u128_mulo", param_types, vec![], &args); Some(out_place.to_cvalue(fx)) } BinOp::AddUnchecked | BinOp::SubUnchecked | BinOp::MulUnchecked => unreachable!(), |