File: subsf3.c

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,235,796 kB
  • sloc: cpp: 7,617,614; ansic: 1,433,901; asm: 1,058,726; python: 252,096; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 10,032; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,401; javascript: 2,272; xml: 892; fortran: 770
file content (27 lines) | stat: -rw-r--r-- 917 bytes parent folder | download | duplicates (32)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
//===-- 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