sysdeps/x86_64/fpu/multiarch/s_ceilf.S

   1 /* Copyright (C) 2011-2014 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@gmail.come>, 2011.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <machine/asm.h>
  20 #include <init-arch.h>
  21
  22
  23 ENTRY(__ceilf)
  24         .type   __ceilf, @gnu_indirect_function
  25         call    __get_cpu_features@plt
  26         movq    %rax, %rdx
  27         leaq    __ceilf_sse41(%rip), %rax
  28         testl   $bit_SSE4_1, CPUID_OFFSET+index_SSE4_1(%rdx)
  29         jnz     2f
  30         leaq    __ceilf_c(%rip), %rax
  31 2:      ret
  32 END(__ceilf)
  33 weak_alias (__ceilf, ceilf)
  34
  35
  36 ENTRY(__ceilf_sse41)
  37         roundss $2, %xmm0, %xmm0
  38         ret
  39 END(__ceilf_sse41)