diff options
Diffstat (limited to 'sysdeps/ia64/fpu/s_nearbyint.S')
| -rw-r--r-- | sysdeps/ia64/fpu/s_nearbyint.S | 46 |
1 files changed, 18 insertions, 28 deletions
diff --git a/sysdeps/ia64/fpu/s_nearbyint.S b/sysdeps/ia64/fpu/s_nearbyint.S index 6ee01ea..cba74e6 100644 --- a/sysdeps/ia64/fpu/s_nearbyint.S +++ b/sysdeps/ia64/fpu/s_nearbyint.S @@ -1,11 +1,10 @@ .file "nearbyint.s" -// Copyright (C) 2000, 2001, Intel Corporation + +// Copyright (c) 2000 - 2003, Intel Corporation // All rights reserved. -// -// Contributed 10/19/2000 by John Harrison, Cristina Iordache, Ted Kubaska, -// Bob Norin, Tom Rowan, 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 @@ -21,7 +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 @@ -36,20 +35,19 @@ // // 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 //============================================================== -// 10/19/2000: Created -// 2/08/01 Corrected behavior for all rounding modes. +// 10/19/00 Created +// 02/08/01 Corrected behavior for all rounding modes. +// 05/20/02 Cleaned up namespace and sf0 syntax +// 02/10/03 Reordered header: .section, .global, .proc, .align //============================================================== // // API //============================================================== // double nearbyint(double x) - -#include "libm_support.h" - // // general registers used: // @@ -110,15 +108,8 @@ NEARBYINT_INT_f8 = f11 // 1 1 1 0 0 1 11 0xe7 -.align 32 -.global nearbyint# - .section .text -.proc nearbyint# -.align 32 - - -nearbyint: +GLOBAL_LIBM_ENTRY(nearbyint) { .mfi mov nearbyint_GR_fpsr = ar40 // Read the fpsr--need to check rc.s0 @@ -141,7 +132,7 @@ nearbyint: { .mfb nop.m 999 -(p6) fnorm.d f8 = f8 +(p6) fnorm.d.s0 f8 = f8 (p6) br.ret.spnt b0 // Exit if x nan, inf, zero ;; } @@ -177,11 +168,11 @@ nearbyint: // Check to see if s0 rounding mode is round to nearest. If not then set s2 // rounding mode to that of s0 and repeat conversions. -L(NEARBYINT_COMMON): +NEARBYINT_COMMON: { .mfb cmp.ne p11,p0 = nearbyint_GR_rcs0, r0 (p6) fclass.m.unc p9,p10 = NEARBYINT_FLOAT_INT_f8, 0x07 // Test for result=0 -(p11) br.cond.spnt L(NEARBYINT_NOT_ROUND_NEAREST) // Branch if not round to nearest +(p11) br.cond.spnt NEARBYINT_NOT_ROUND_NEAREST // Branch if not round to nearest ;; } @@ -200,13 +191,13 @@ L(NEARBYINT_COMMON): } { .mfb nop.m 999 -(p10) fnorm.d f8 = NEARBYINT_FLOAT_INT_f8 +(p10) fnorm.d.s0 f8 = NEARBYINT_FLOAT_INT_f8 br.ret.sptk b0 ;; } -L(NEARBYINT_NOT_ROUND_NEAREST): +NEARBYINT_NOT_ROUND_NEAREST: // Set rounding mode of s2 to that of s0 { .mfi mov nearbyint_GR_rcs0 = r0 // Clear so we don't come back here @@ -225,10 +216,9 @@ L(NEARBYINT_NOT_ROUND_NEAREST): { .mfb nop.m 999 fcvt.xf NEARBYINT_FLOAT_INT_f8 = NEARBYINT_INT_f8 - br.cond.sptk L(NEARBYINT_COMMON) + br.cond.sptk NEARBYINT_COMMON ;; } -.endp nearbyint -ASM_SIZE_DIRECTIVE(nearbyint) +GLOBAL_LIBM_END(nearbyint) |