diff options
Diffstat (limited to 'sysdeps/ia64/fpu/e_hypot.S')
| -rw-r--r-- | sysdeps/ia64/fpu/e_hypot.S | 75 |
1 files changed, 43 insertions, 32 deletions
diff --git a/sysdeps/ia64/fpu/e_hypot.S b/sysdeps/ia64/fpu/e_hypot.S index 36cfd1e667..113aac3461 100644 --- a/sysdeps/ia64/fpu/e_hypot.S +++ b/sysdeps/ia64/fpu/e_hypot.S @@ -1,10 +1,11 @@ -.file "hypot.s" +.file "hypot.asm" - -// Copyright (c) 2000 - 2003, Intel Corporation +// Copyright (C) 2000, 2001, Intel Corporation // All rights reserved. -// -// Contributed 2000 by the Intel Numerics Group, Intel Corporation +// +// Contributed 2/2/2000 by John Harrison, Cristina Iordache, Ted Kubaska, +// Bob Norin, Shane Story, and Ping Tak Peter Tang of the +// Computational Software Lab, Intel Corporation. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are @@ -20,7 +21,7 @@ // * 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 @@ -35,27 +36,24 @@ // // 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. +// http://developer.intel.com/opensource. // -//********************************************************************* +// ********************************************************************* // // History: -// 02/02/00 hand-optimized -// 04/04/00 Unwind support added -// 06/20/00 new version -// 08/15/00 Bundle added after call to __libm_error_support to properly +// 2/02/00 hand-optimized +// 4/04/00 Unwind support added +// 6/20/00 new version +// 8/15/00 Bundle added after call to __libm_error_support to properly // set [the previously overwritten] GR_Parameter_RESULT. -// 05/20/02 Cleaned up namespace and sf0 syntax -// 02/10/03 Reordered header: .section, .global, .proc, .align -// 04/17/03 Added missing mutex directive // -//********************************************************************* +// ********************************************************************* // ___________ // Function: hypot(x,y) = |(x^2 + y^2) = for double precision values // x and y // Also provides cabs functionality. // -//********************************************************************* +// ********************************************************************* // // Resources Used: // @@ -70,7 +68,7 @@ // // Predicate Registers: p6 - p10 // -//********************************************************************* +// ********************************************************************* // // IEEE Special Conditions: // @@ -80,7 +78,7 @@ // hypot(QNaN and anything) = QNaN // hypot(SNaN and anything ) = QNaN // -//********************************************************************* +// ********************************************************************* // // Implementation: // x2 = x * x in double-extended @@ -88,7 +86,9 @@ // temp = x2 + y2 in double-extended // sqrt(temp) rounded to double // -//********************************************************************* +// ********************************************************************* + +#include "libm_support.h" GR_SAVE_PFS = r33 GR_SAVE_B0 = r34 @@ -103,12 +103,23 @@ FR_Y = f33 FR_RESULT = f8 .section .text - -LOCAL_LIBM_ENTRY(cabs) -LOCAL_LIBM_END(cabs) - -GLOBAL_IEEE754_ENTRY(hypot) - +#ifndef _LIBC +.proc cabs# +.global cabs# +cabs: +.endp cabs +#endif +.proc hypot# +.global hypot# +.align 64 + +hypot: +#ifdef _LIBC +.global __hypot +__hypot: +.global __ieee754_hypot +__ieee754_hypot: +#endif {.mfi alloc r32= ar.pfs,0,4,4,0 // Compute x*x @@ -210,7 +221,6 @@ GLOBAL_IEEE754_ENTRY(hypot) mov r2=0x107fb;; } -.pred.rel "mutex",p7,p8 {.mfb nop.m 0 // if f8=Infinity or f9=Zero, return |f8| @@ -384,9 +394,11 @@ GLOBAL_IEEE754_ENTRY(hypot) // No overflow (p9) br.ret.sptk b0;; } -GLOBAL_IEEE754_END(hypot) +.endp hypot +ASM_SIZE_DIRECTIVE(hypot) -LOCAL_LIBM_ENTRY(__libm_error_region) +.proc __libm_error_region +__libm_error_region: .prologue { .mfi add GR_Parameter_Y=-32,sp // Parameter 2 value @@ -433,8 +445,7 @@ LOCAL_LIBM_ENTRY(__libm_error_region) mov ar.pfs = GR_SAVE_PFS // Restore ar.pfs br.ret.sptk b0 // Return };; -LOCAL_LIBM_END(__libm_error_region#) +.endp __libm_error_region +ASM_SIZE_DIRECTIVE(__libm_error_region) .type __libm_error_support#,@function .global __libm_error_support# - - |