forked from OSchip/llvm-project
31 lines
954 B
C
31 lines
954 B
C
//===-- 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
|
|
AEABI_RTABI fp_t __aeabi_fsub(fp_t a, fp_t b) COMPILER_RT_ALIAS(__subsf3);
|
|
#endif
|
|
#endif
|