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-.file "fmax.s"
-
-
-// Copyright (c) 2001 - 2003, Intel Corporation
-// All rights reserved.
-//
-// Contributed 2001 by the Intel Numerics Group, Intel Corporation
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//
-// * Redistributions in binary form must reproduce the above copyright
-// notice, this list of conditions and the following disclaimer in the
-// documentation and/or other materials provided with the distribution.
-//
-// * The name of Intel Corporation may not be used to endorse or promote
-// products derived from this software without specific prior written
-// permission.
-
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS
-// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
-// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING
-// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// Intel Corporation is the author of this code, and requests that all
-// problem reports or change requests be submitted to it directly at
-// http://www.intel.com/software/products/opensource/libraries/num.htm.
-//
-// History
-//==============================================================
-// 05/31/01 Initial version
-// 05/20/02 Cleaned up namespace and sf0 syntax
-// 02/10/03 Reordered header: .section, .global, .proc, .align
-//
-// API
-//==============================================================
-// double fmax (double x, double y)
-//
-// Overview of operation
-//==============================================================
-// returns the algebraic maximum of 2 input values
-//
-// Special cases:
-// fmax(x, nan) returns x if x is numeric // Must special case this one
-// fmax(nan, y) returns y if y is numeric
-// fmax(nan1, nan2) returns quietized nan2
-// fmax(+0,+0) returns +0
-// fmax(-0,+0) returns +0
-// fmax(-0,-0) returns -0
-// fmax(+0,-0) returns +0 // Must special case this one
-//
-// SNaN causes invalid to be set
-
-// floating-point registers used: 2
-// f8, input x, output
-// f9, input y
-
-.section .text
-GLOBAL_LIBM_ENTRY(fmax)
-
-{ .mfi
- nop.m 999
- fcmp.unord.s0 p6,p7 = f8, f9 // Is x or y a nan? Raise invalid or denormal
- nop.i 999
-}
-;;
-
-{ .mfi
- nop.m 999
-(p7) fclass.m.unc p8,p9 = f9, 0x06 // If no nan, is y=-0?
- nop.i 999
-}
-;;
-
-{ .mfi
- nop.m 999
-(p6) fclass.m.unc p10,p0 = f8, 0xc3 // Is x nan?
- nop.i 999
-}
-;;
-
-{ .mfi
- nop.m 999
-(p9) fmax.s0 f8 = f8, f9 // Normal case, no nan and y not -0
- nop.i 999
-}
-;;
-
-{ .mfi
- nop.m 999
-(p8) fmax.s0 f8 = f9, f8 // No nan and y -0
- nop.i 999
-}
-;;
-
-{ .mfb
- nop.m 999
-(p10) fmerge.s f8 = f9, f9 // If x nan, return y, else do nothing (returns x)
- br.ret.sptk b0
-}
-;;
-
-GLOBAL_LIBM_END(fmax)