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      1 /* ===-- fixdfdi.c - Implement __fixdfdi -----------------------------------===
      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 DOUBLE_PRECISION
     12 #include "fp_lib.h"
     13 
     14 #ifndef __SOFT_FP__
     15 /* Support for systems that have hardware floating-point; can set the invalid
     16  * flag as a side-effect of computation.
     17  */
     18 
     19 COMPILER_RT_ABI du_int __fixunsdfdi(double a);
     20 
     21 COMPILER_RT_ABI di_int
     22 __fixdfdi(double a)
     23 {
     24     if (a < 0.0) {
     25         return -__fixunsdfdi(-a);
     26     }
     27     return __fixunsdfdi(a);
     28 }
     29 
     30 #else
     31 /* Support for systems that don't have hardware floating-point; there are no
     32  * flags to set, and we don't want to code-gen to an unknown soft-float
     33  * implementation.
     34  */
     35 
     36 typedef di_int fixint_t;
     37 typedef du_int fixuint_t;
     38 #include "fp_fixint_impl.inc"
     39 
     40 COMPILER_RT_ABI di_int
     41 __fixdfdi(fp_t a) {
     42     return __fixint(a);
     43 }
     44 
     45 #endif
     46 
     47 #if defined(__ARM_EABI__)
     48 #if defined(COMPILER_RT_ARMHF_TARGET)
     49 AEABI_RTABI di_int __aeabi_d2lz(fp_t a) {
     50   return __fixdfdi(a);
     51 }
     52 #else
     53 AEABI_RTABI di_int __aeabi_d2lz(fp_t a) COMPILER_RT_ALIAS(__fixdfdi);
     54 #endif
     55 #endif
     56