1//===-- lib/subsf3.c - Single-precision subtraction ---------------*- C -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file implements single-precision soft-float subtraction with the
11// IEEE-754 default rounding (to nearest, ties to even).
12//
13//===----------------------------------------------------------------------===//
14
15#define SINGLE_PRECISION
16#include "fp_lib.h"
17
18ARM_EABI_FNALIAS(fsub, subsf3)
19
20// Subtraction; flip the sign bit of b and add.
21COMPILER_RT_ABI fp_t
22__subsf3(fp_t a, fp_t b) {
23    return __addsf3(a, fromRep(toRep(b) ^ signBit));
24}
25
26/* FIXME: rsub for ARM EABI */
27