diff options
Diffstat (limited to 'sysdeps/ia64/fpu/e_scalb.S')
| -rw-r--r-- | sysdeps/ia64/fpu/e_scalb.S | 69 |
1 files changed, 26 insertions, 43 deletions
diff --git a/sysdeps/ia64/fpu/e_scalb.S b/sysdeps/ia64/fpu/e_scalb.S index 7f5b5796de..82e914e259 100644 --- a/sysdeps/ia64/fpu/e_scalb.S +++ b/sysdeps/ia64/fpu/e_scalb.S @@ -1,10 +1,10 @@ .file "scalb.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 @@ -35,12 +35,14 @@ // // 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 -// 1/26/01 Scalb completely reworked and now standalone version +// 02/02/00 Initial version +// 01/26/01 Scalb completely reworked and now standalone version +// 05/20/02 Cleaned up namespace and sf0 syntax +// 02/10/03 Reordered header: .section, .global, .proc, .align // // API //============================================================== @@ -53,8 +55,6 @@ // // -#include "libm_support.h" - FR_Floating_X = f8 FR_Result = f8 FR_Floating_N = f9 @@ -84,19 +84,8 @@ GR_Parameter_Y = r36 GR_Parameter_RESULT = r37 GR_Tag = r38 -.align 32 -.global scalb - .section .text -.proc scalb -.align 32 - -scalb: -#ifdef _LIBC -.global __ieee754_scalb -.type __ieee754_scalb,@function -__ieee754_scalb: -#endif +GLOBAL_IEEE754_ENTRY(scalb) // // Is x NAN, INF, ZERO, +-? @@ -140,12 +129,12 @@ __ieee754_scalb: { .mib setf.exp FR_Big = GR_Scratch nop.i 0 -(p6) br.cond.spnt L(SCALB_NAN_INF_ZERO) +(p6) br.cond.spnt SCALB_NAN_INF_ZERO } { .mib setf.exp FR_NBig = GR_Scratch1 nop.i 0 -(p7) br.cond.spnt L(SCALB_NAN_INF_ZERO) +(p7) br.cond.spnt SCALB_NAN_INF_ZERO };; // @@ -212,7 +201,7 @@ __ieee754_scalb: } { .mfb nop.m 0 -(p7) frcpa f8,p11 = f0,f0 +(p7) frcpa.s0 f8,p11 = f0,f0 (p7) br.ret.spnt b0 };; @@ -246,7 +235,7 @@ __ieee754_scalb: } { .mlx nop.m 999 -(p0) movl GR_Scratch = 0x00000000000303FF + movl GR_Scratch = 0x00000000000303FF };; { .mfi nop.m 0 @@ -255,7 +244,7 @@ __ieee754_scalb: } { .mlx nop.m 999 -(p0) movl GR_Scratch1= 0x00000000000103FF + movl GR_Scratch1= 0x00000000000103FF };; // Set up necessary status fields @@ -266,12 +255,12 @@ __ieee754_scalb: // { .mfi nop.m 999 -(p0) fsetc.s3 0x7F,0x41 + fsetc.s3 0x7F,0x41 nop.i 999 } { .mfi nop.m 999 -(p0) fsetc.s2 0x7F,0x42 + fsetc.s2 0x7F,0x42 nop.i 999 };; @@ -345,7 +334,7 @@ __ieee754_scalb: { .mfb (p6) addl GR_Tag = 54, r0 (p8) fcmp.le.unc.s1 p9, p10 = FR_Result2 , FR_NBig -(p6) br.cond.spnt L(SCALB_UNDERFLOW) +(p6) br.cond.spnt SCALB_UNDERFLOW };; // @@ -353,8 +342,8 @@ __ieee754_scalb: // { .mbb nop.m 0 -(p7) br.cond.spnt L(SCALB_OVERFLOW) -(p9) br.cond.spnt L(SCALB_OVERFLOW) +(p7) br.cond.spnt SCALB_OVERFLOW +(p9) br.cond.spnt SCALB_OVERFLOW };; // @@ -366,7 +355,7 @@ __ieee754_scalb: br.ret.sptk b0;; } -L(SCALB_NAN_INF_ZERO): +SCALB_NAN_INF_ZERO: // // Convert N to a fp integer @@ -471,16 +460,11 @@ L(SCALB_NAN_INF_ZERO): br.ret.sptk b0 };; -.endp scalb -ASM_SIZE_DIRECTIVE(scalb) -#ifdef _LIBC -ASM_SIZE_DIRECTIVE(__ieee754_scalb) -#endif -.proc __libm_error_region +GLOBAL_IEEE754_END(scalb) __libm_error_region: -L(SCALB_OVERFLOW): -L(SCALB_UNDERFLOW): +SCALB_OVERFLOW: +SCALB_UNDERFLOW: // // Get stack address of N @@ -557,8 +541,7 @@ L(SCALB_UNDERFLOW): br.ret.sptk b0 };; -.endp __libm_error_region -ASM_SIZE_DIRECTIVE(__libm_error_region) +LOCAL_LIBM_END(__libm_error_region) .type __libm_error_support#,@function .global __libm_error_support# |