winsup/cygwin/math/nearbyintf.S

   1 /**
   2  * This file has no copyright assigned and is placed in the Public Domain.
   3  * This file is part of the mingw-w64 runtime package.
   4  * No warranty is given; refer to the file DISCLAIMER.PD within this package.
   5  */
   6 #include <_mingw_mac.h>
   7
   8         .file   "nearbyintf.S"
   9         .text
  10 #ifdef __x86_64__
  11         .align 8
  12 #else
  13         .align 4
  14 #endif
  15         .globl __MINGW_USYMBOL(nearbyintf)
  16         .def    __MINGW_USYMBOL(nearbyintf);    .scl    2;      .type   32;     .endef
  17 __MINGW_USYMBOL(nearbyintf):
  18 #if defined(_AMD64_) || defined(__x86_64__)
  19         movss   %xmm0,-12(%rsp)
  20         flds    -12(%rsp)
  21         pushq   %rax
  22         pushq   %rcx
  23         fnstcw  (%rsp)
  24         movq    (%rsp), %rax
  25         orq     $0x20, %rax
  26         movq    %rax, 8(%rsp)
  27         fldcw   8(%rsp)
  28         frndint
  29         fclex
  30         fldcw   (%rsp)
  31         popq    %rcx
  32         popq    %rax
  33         fstps   -12(%rsp)
  34         movss   -12(%rsp),%xmm0
  35         ret
  36 #elif defined(_ARM_) || defined(__arm__)
  37         vmrs    r1, fpscr
  38         vcvt.s32.f32    s0, s0
  39         vcvt.f32.s32    s0, s0
  40         vmsr    fpscr, r1
  41         bx      lr
  42 #elif defined(_X86_) || defined(__i386__)
  43         flds    4(%esp)
  44         pushl   %eax
  45         pushl   %ecx
  46         fnstcw  (%esp)
  47         movl    (%esp), %eax
  48         orl     $0x20, %eax
  49         movl    %eax, 4(%esp)
  50         fldcw   4(%esp)
  51         frndint
  52         fclex
  53         fldcw   (%esp)
  54         popl    %ecx
  55         popl    %eax
  56         ret
  57 #endif