diff options
Diffstat (limited to 'sysdeps/ia64/fpu/e_sqrtl.S')
| -rw-r--r-- | sysdeps/ia64/fpu/e_sqrtl.S | 67 |
1 files changed, 43 insertions, 24 deletions
diff --git a/sysdeps/ia64/fpu/e_sqrtl.S b/sysdeps/ia64/fpu/e_sqrtl.S index 6a5735d45a..e41148243a 100644 --- a/sysdeps/ia64/fpu/e_sqrtl.S +++ b/sysdeps/ia64/fpu/e_sqrtl.S @@ -1,10 +1,10 @@ .file "sqrtl.s" - -// 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, 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 +20,7 @@ // * 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 @@ -35,25 +35,23 @@ // // 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 -// 08/15/00 Bundle added after call to __libm_error_support to properly +// 2/02/00 (hand-optimized) +// 4/04/00 Unwind support added +// 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 // -//******************************************************************** +// ******************************************************************** // // Function: Combined sqrtl(x), where // _ // sqrtl(x) = |x, for double-extended precision x values // -//******************************************************************** +// ******************************************************************** // // Resources Used: // @@ -66,7 +64,7 @@ // // Predicate Registers: p6, p7, p8 // -//******************************************************************** +// ******************************************************************** // // IEEE Special Conditions: // @@ -76,13 +74,15 @@ // sqrtl(+/-0) = +/-0 // sqrtl(negative) = QNaN and error handling is called // -//******************************************************************** +// ******************************************************************** // // Implementation: // // Modified Newton-Raphson Algorithm // -//******************************************************************** +// ******************************************************************** + +#include "libm_support.h" GR_SAVE_PFS = r33 GR_SAVE_B0 = r34 @@ -97,7 +97,19 @@ FR_Y = f0 FR_RESULT = f8 .section .text -GLOBAL_IEEE754_ENTRY(sqrtl) +.proc sqrtl# +.global sqrtl# +.align 64 + +sqrtl: +#ifdef _LIBC +.global __sqrtl +.type __sqrtl,@function +__sqrtl: +.global __ieee754_sqrtl +.type __ieee754_sqrtl,@function +__ieee754_sqrtl: +#endif { .mlx alloc r32= ar.pfs,0,5,4,0 // exponent of +1/2 in r2 @@ -139,7 +151,7 @@ alloc r32= ar.pfs,0,5,4,0 } { .mfi nop.m 0 - mov f15=f8 + (p0) mov f15=f8 nop.i 0;; } { .mfi nop.m 0 @@ -209,8 +221,8 @@ alloc r32= ar.pfs,0,5,4,0 (p6) br.ret.sptk b0 ;; } { .mfb - mov GR_Parameter_TAG = 48 - mov f8 = f7 + (p0) mov GR_Parameter_TAG = 48 + (p0) mov f8 = f7 (p8) br.ret.sptk b0 ;; } // @@ -220,9 +232,15 @@ alloc r32= ar.pfs,0,5,4,0 // END DOUBLE EXTENDED PRECISION MINIMUM LATENCY SQUARE ROOT ALGORITHM -GLOBAL_IEEE754_END(sqrtl) +.endp sqrtl# +ASM_SIZE_DIRECTIVE(sqrtl) +#ifdef _LIBC +ASM_SIZE_DIRECTIVE(__sqrtl) +ASM_SIZE_DIRECTIVE(__ieee754_sqrtl) +#endif -LOCAL_LIBM_ENTRY(__libm_error_region) +.proc __libm_error_region +__libm_error_region: .prologue { .mfi add GR_Parameter_Y=-32,sp // Parameter 2 value @@ -270,6 +288,7 @@ LOCAL_LIBM_ENTRY(__libm_error_region) 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# |