diff options
Diffstat (limited to 'src/librustc_codegen_llvm')
| -rw-r--r-- | src/librustc_codegen_llvm/intrinsic.rs | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/librustc_codegen_llvm/intrinsic.rs b/src/librustc_codegen_llvm/intrinsic.rs index 060c295eb7a..ba93268cb43 100644 --- a/src/librustc_codegen_llvm/intrinsic.rs +++ b/src/librustc_codegen_llvm/intrinsic.rs @@ -334,7 +334,8 @@ impl IntrinsicCallMethods<'tcx> for Builder<'a, 'll, 'tcx> { "ctlz" | "ctlz_nonzero" | "cttz" | "cttz_nonzero" | "ctpop" | "bswap" | "bitreverse" | "add_with_overflow" | "sub_with_overflow" | "mul_with_overflow" | "overflowing_add" | "overflowing_sub" | "overflowing_mul" | - "unchecked_div" | "unchecked_rem" | "unchecked_shl" | "unchecked_shr" | "exact_div" | + "unchecked_div" | "unchecked_rem" | "unchecked_shl" | "unchecked_shr" | + "unchecked_add" | "unchecked_sub" | "unchecked_mul" | "exact_div" | "rotate_left" | "rotate_right" | "saturating_add" | "saturating_sub" => { let ty = arg_tys[0]; match int_type_width_signed(ty, self) { @@ -430,6 +431,27 @@ impl IntrinsicCallMethods<'tcx> for Builder<'a, 'll, 'tcx> { } else { self.lshr(args[0].immediate(), args[1].immediate()) }, + "unchecked_add" => { + if signed { + self.unchecked_sadd(args[0].immediate(), args[1].immediate()) + } else { + self.unchecked_uadd(args[0].immediate(), args[1].immediate()) + } + }, + "unchecked_sub" => { + if signed { + self.unchecked_ssub(args[0].immediate(), args[1].immediate()) + } else { + self.unchecked_usub(args[0].immediate(), args[1].immediate()) + } + }, + "unchecked_mul" => { + if signed { + self.unchecked_smul(args[0].immediate(), args[1].immediate()) + } else { + self.unchecked_umul(args[0].immediate(), args[1].immediate()) + } + }, "rotate_left" | "rotate_right" => { let is_left = name == "rotate_left"; let val = args[0].immediate(); |