diff options
Diffstat (limited to 'sysdeps/ia64/fpu/e_sqrtf.S')
| -rw-r--r-- | sysdeps/ia64/fpu/e_sqrtf.S | 69 |
1 files changed, 25 insertions, 44 deletions
diff --git a/sysdeps/ia64/fpu/e_sqrtf.S b/sysdeps/ia64/fpu/e_sqrtf.S index 1799845d6d..daa20454d7 100644 --- a/sysdeps/ia64/fpu/e_sqrtf.S +++ b/sysdeps/ia64/fpu/e_sqrtf.S @@ -1,10 +1,10 @@ .file "sqrtf.s" -// Copyright (C) 2000, 2001, Intel Corporation + +// Copyright (c) 2000 - 2003, Intel Corporation // All rights reserved. -// -// 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. +// +// Contributed 2000 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 @@ -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 @@ -35,27 +35,29 @@ // // Intel Corporation is the author of this code, and requests that all // problem reports or change requests be submitted to it directly at -// http://developer.intel.com/opensource. +// http://www.intel.com/software/products/opensource/libraries/num.htm. // -// ********************************************************************* +//********************************************************************* // History: // -// 2/02/00 Initial version -// 4/04/00 Unwind support added -// 8/15/00 Bundle added after call to __libm_error_support to properly +// 02/02/00 Initial version +// 04/04/00 Unwind support added +// 08/15/00 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 sqrtf(x), where // _ // sqrtf(x) = |x, for single precision x values // -// ******************************************************************** +//******************************************************************** // // Accuracy: Correctly Rounded // -// ******************************************************************** +//******************************************************************** // // Resources Used: // @@ -68,7 +70,7 @@ // // Predicate Registers: p6, p7, p8 // -// ******************************************************************** +//******************************************************************** // // IEEE Special Conditions: // @@ -78,15 +80,14 @@ // sqrtf(+/-0) = +/-0 // sqrtf(negative) = QNaN and error handling is called // -// ******************************************************************** +//******************************************************************** // // Implementation: // // Modified Newton-Raphson Algorithm // -// ******************************************************************** +//******************************************************************** -#include "libm_support.h" GR_SAVE_B0 = r34 GR_SAVE_PFS = r33 @@ -102,21 +103,8 @@ FR_Y = f0 FR_RESULT = f8 - .section .text -.proc sqrtf# -.global sqrtf# -.align 64 - -sqrtf: -#ifdef _LIBC -.global __sqrtf -.type __sqrtf,@function -__sqrtf: -.global __ieee754_sqrtf -.type __ieee754_sqrtf,@function -__ieee754_sqrtf: -#endif +GLOBAL_IEEE754_ENTRY(sqrtf) { .mlx // BEGIN SINGLE PRECISION MINIMUM LATENCY SQUARE ROOT ALGORITHM alloc r32= ar.pfs,0,5,4,0 @@ -197,7 +185,7 @@ __ieee754_sqrtf: // Step (10) // d1 = a - S1 * S1 in f9 (p6) fnma.s1 f9=f7,f7,f8 - nop.i 0;;; + nop.i 0;; } { .mfb nop.m 0 // Step (11) @@ -207,27 +195,21 @@ __ieee754_sqrtf: // END SINGLE PRECISION MINIMUM LATENCY SQUARE ROOT ALGORITHM } { .mfb nop.m 0 - (p0) mov f8 = f7 + mov f8 = f7 (p8) br.ret.sptk b0 ;; } // // This branch includes all those special values that are not negative, // with the result equal to frcpa(x) // -.endp sqrtf -ASM_SIZE_DIRECTIVE(sqrtf) -#ifdef _LIBC -ASM_SIZE_DIRECTIVE(__sqrtf) -ASM_SIZE_DIRECTIVE(__ieee754_sqrtf) -#endif +GLOBAL_IEEE754_END(sqrtf) -.proc __libm_error_region -__libm_error_region: +LOCAL_LIBM_ENTRY(__libm_error_region) .prologue { .mii add GR_Parameter_Y=-32,sp // Parameter 2 value -(p0) mov GR_Parameter_TAG = 50 + mov GR_Parameter_TAG = 50 .save ar.pfs,GR_SAVE_PFS mov GR_SAVE_PFS=ar.pfs // Save ar.pfs } @@ -271,8 +253,7 @@ __libm_error_region: br.ret.sptk b0 // Return };; -.endp __libm_error_region -ASM_SIZE_DIRECTIVE(__libm_error_region) +LOCAL_LIBM_END(__libm_error_region) .type __libm_error_support#,@function |