blob: 79b3fb60c24a9b0732a7ea00dd4cfe335af1f67c [file] [log] [blame]
#
# (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/>.
#
#
#fmin.S
#
# An implementation of the fmin libm function.
#
# The fmin functions determine the minimum numeric value of their arguments
#
# Prototype:
#
# double fmin(double x, double y)
#
#
# Algorithm:
#
#include "fn_macros.h"
#define fname FN_PROTOTYPE(fmin)
#ifdef __ELF__
.section .note.GNU-stack,"",@progbits
#endif
.text
.align 16
.p2align 4,,15
.globl fname
.type fname,@function
fname:
MOVAPD %xmm0,%xmm3
MINSD %xmm1,%xmm0
MOVAPD %xmm0,%xmm2
#If the input is nan then specal case to return the other operand
CMPEQSD %xmm2,%xmm2
PAND %xmm2,%xmm0
PANDN %xmm3,%xmm2
POR %xmm2,%xmm0
ret