| /* Copyright (C) 2011-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@gmail.come>, 2011. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <machine/asm.h> |
| #include <init-arch.h> |
| |
| |
| ENTRY(__nearbyint) |
| .type __nearbyint, @gnu_indirect_function |
| call __get_cpu_features@plt |
| movq %rax, %rdx |
| leaq __nearbyint_sse41(%rip), %rax |
| testl $bit_SSE4_1, CPUID_OFFSET+index_SSE4_1(%rdx) |
| jnz 2f |
| leaq __nearbyint_c(%rip), %rax |
| 2: ret |
| END(__nearbyint) |
| weak_alias (__nearbyint, nearbyint) |
| |
| |
| ENTRY(__nearbyint_sse41) |
| roundsd $0xc, %xmm0, %xmm0 |
| ret |
| END(__nearbyint_sse41) |
