| |
| # |
| # (C) 2008-2009 Advanced Micro Devices, Inc. All Rights Reserved. |
| # |
| # This file is part of libacml_mv. |
| # |
| # libacml_mv 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. |
| # |
| # libacml_mv 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 libacml_mv. If not, see |
| # <http://www.gnu.org/licenses/>. |
| # |
| # |
| |
| |
| # fabsf.S |
| # |
| # An implementation of the fabsf libm function. |
| # |
| # Prototype: |
| # |
| # float fabsf(float x); |
| # |
| |
| # |
| # Algorithm: AND the Most Significant Bit of the |
| # single precision number with 0 to get the |
| # floating point absolute. |
| # |
| |
| #include "fn_macros.h" |
| #define fname FN_PROTOTYPE(fabsf) |
| #define fname_special _fabsf_special |
| |
| |
| #ifdef __ELF__ |
| .section .note.GNU-stack,"",@progbits |
| #endif |
| |
| .text |
| .align 16 |
| .p2align 4,,15 |
| .globl fname |
| .type fname,@function |
| fname: |
| #input is in xmm0, which contains the final result also. |
| andps .L__fabsf_and_mask(%rip), %xmm0 # <result> latency = 3 |
| ret |
| |
| |
| .align 16 |
| .L__fabsf_and_mask: .long 0x7FFFFFFF |
| .long 0x0 |
| .quad 0x0 |
| |
| |
| |
| |
| |