| //===-- lib/subsf3.c - Single-precision subtraction ---------------*- C -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements single-precision soft-float subtraction. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #define SINGLE_PRECISION |
| #include "fp_lib.h" |
| |
| // Subtraction; flip the sign bit of b and add. |
| COMPILER_RT_ABI fp_t __subsf3(fp_t a, fp_t b) { |
| return __addsf3(a, fromRep(toRep(b) ^ signBit)); |
| } |
| |
| #if defined(__ARM_EABI__) |
| #if defined(COMPILER_RT_ARMHF_TARGET) |
| AEABI_RTABI fp_t __aeabi_fsub(fp_t a, fp_t b) { return __subsf3(a, b); } |
| #else |
| COMPILER_RT_ALIAS(__subsf3, __aeabi_fsub) |
| #endif |
| #endif |