src/compiler-rt/lib/builtins/fixsfdi.c

   1 /* ===-- fixsfdi.c - Implement __fixsfdi -----------------------------------===
   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
  11 #define SINGLE_PRECISION
  12 #include "fp_lib.h"
  13
  14 ARM_EABI_FNALIAS(f2lz, fixsfdi)
  15
  16 #ifndef __SOFT_FP__
  17 /* Support for systems that have hardware floating-point; can set the invalid
  18  * flag as a side-effect of computation.
  19  */
  20
  21 COMPILER_RT_ABI du_int __fixunssfdi(float a);
  22
  23 COMPILER_RT_ABI di_int
  24 __fixsfdi(float a)
  25 {
  26     if (a < 0.0f) {
  27         return -__fixunssfdi(-a);
  28     }
  29     return __fixunssfdi(a);
  30 }
  31
  32 #else
  33 /* Support for systems that don't have hardware floating-point; there are no
  34  * flags to set, and we don't want to code-gen to an unknown soft-float
  35  * implementation.
  36  */
  37
  38 typedef di_int fixint_t;
  39 typedef du_int fixuint_t;
  40 #include "fp_fixint_impl.inc"
  41
  42 COMPILER_RT_ABI di_int
  43 __fixsfdi(fp_t a) {
  44     return __fixint(a);
  45 }
  46
  47 #endif