compiler-rt/lib/builtins/mulosi4.c

   1 //===-- mulosi4.c - Implement __mulosi4 -----------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file implements __mulosi4 for the compiler_rt library.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #define fixint_t si_int
  14 #define fixuint_t su_int
  15 #include "int_mulo_impl.inc"
  16
  17 // Returns: a * b
  18
  19 // Effects: sets *overflow to 1  if a * b overflows
  20
  21 COMPILER_RT_ABI si_int __mulosi4(si_int a, si_int b, int *overflow) {
  22   return __muloXi4(a, b, overflow);
  23 }