sysdeps/x86_64/fpu/multiarch/s_rintf.S

   1 /* Copyright (C) 2011-2016 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(__rintf)
  24         .type   __rintf, @gnu_indirect_function
  25         LOAD_RTLD_GLOBAL_RO_RDX
  26         leaq    __rintf_sse41(%rip), %rax
  27         HAS_CPU_FEATURE (SSE4_1)
  28         jnz     2f
  29         leaq    __rintf_c(%rip), %rax
  30 2:      ret
  31 END(__rintf)
  32 weak_alias (__rintf, rintf)
  33
  34
  35 ENTRY(__rintf_sse41)
  36         roundss $4, %xmm0, %xmm0
  37         ret
  38 END(__rintf_sse41)