sysdeps/x86_64/fpu/multiarch/s_roundevenf-sse4_1.S

   1 /* Copyright (C) 2021-2024 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <sysdep.h>
  19
  20 #include <sysdeps/x86/isa-level.h>
  21 #if MINIMUM_X86_ISA_LEVEL == SSE4_1_X86_ISA_LEVEL
  22 # include <libm-alias-float.h>
  23 # define __roundevenf_sse41 __roundevenf
  24         .text
  25 #else
  26         .section .text.sse4.1,"ax",@progbits
  27 #endif
  28
  29 ENTRY(__roundevenf_sse41)
  30         roundss $8, %xmm0, %xmm0
  31         ret
  32 END(__roundevenf_sse41)
  33
  34 #if MINIMUM_X86_ISA_LEVEL == SSE4_1_X86_ISA_LEVEL
  35 libm_alias_float (__roundeven, roundeven)
  36 #endif