From bb803bff5cb97b3de94896aba1c4ec0d67227524 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 6 Jan 2005 11:32:24 +0000 Subject: Update. 2004-12-29 Jakub Jelinek * sysdeps/ia64/fpu/libm_support.h (__libm_error_support): Use libc_hidden_proto instead of HIDDEN_PROTO. * sysdeps/ia64/fpu/libm-symbols.h (HIDDEN_PROTO): Remove. (__libm_error_support): If ASSEMBLER and in libc, define to HIDDEN_JUMPTARGET(__libm_error_support). 2004-12-28 David Mosberger * sysdeps/ia64/fpu/Makefile (duplicated-routines): New macro. (sysdep_routines): Replace libm_ldexp{,f,l} and libm_scalbn{,f,l} with $(duplicated-routines). (libm-sysdep_routines): Likewise, but substitute "s_" prefix for "m_" prefix. 2004-12-27 David Mosberger * sysdeps/ia64/fpu/libm-symbols.h: Add include of and undefine "ret" macro. Add __libm_error_support hidden definitions. * sysdeps/ia64/fpu/e_lgamma_r.c: Remove CVS-id comment. Add missing portion of copyright statement. * sysdeps/ia64/fpu/e_lgammaf_r.c: Likewise. * sysdeps/ia64/fpu/e_lgammal_r.c: Likewise. * sysdeps/ia64/fpu/w_lgamma.c: Remove CVS-id comment. Add missing portion of copyright statement. (__ieee754_lgamma): Rename from lgamma(). Make lgamma() a weak alias. (__ieee754_gamma): Likewise. * sysdeps/ia64/fpu/w_lgammaf.c: Likewise. * sysdeps/ia64/fpu/w_lgammal.c: Likewise. 2004-12-09 H. J. Lu * sysdeps/ia64/fpu/s_nextafterl.c: Remove. * sysdeps/ia64/fpu/s_nexttoward.c: Likewise. * sysdeps/ia64/fpu/s_nexttowardf.c: Likewise. * sysdeps/ia64/fpu/e_atan2l.S: Remove (duplicate of e_atan2l.c). * sysdeps/ia64/fpu/e_expl.S: Likewise. * sysdeps/ia64/fpu/e_logl.c: Remove (conflicts with e_logl.S). 2004-11-18 David Mosberger * sysdeps/ia64/fpu/README: New file. * sysdeps/ia64/fpu/gen_import_file_list: New file. * sysdeps/ia64/fpu/import_check: Likewise. * sysdeps/ia64/fpu/import_diffs: Likewise. * sysdeps/ia64/fpu/import_file.awk: Likewise. * sysdeps/ia64/fpu/import_intel_libm: Likewise. * sysdeps/ia64/fpu/libm-symbols.h: Likewise. * sysdeps/ia64/fpu/e_acos.S: Update from Intel libm v2.1+. * sysdeps/ia64/fpu/e_acosf.S: Likewise. * sysdeps/ia64/fpu/e_acosl.S: Likewise. * sysdeps/ia64/fpu/e_asin.S: Likewise. * sysdeps/ia64/fpu/e_asinf.S: Likewise. * sysdeps/ia64/fpu/e_asinl.S: Likewise. * sysdeps/ia64/fpu/e_atan2.S: Likewise. * sysdeps/ia64/fpu/e_atan2f.S: Likewise. * sysdeps/ia64/fpu/e_cosh.S: Likewise. * sysdeps/ia64/fpu/e_coshf.S: Likewise. * sysdeps/ia64/fpu/e_coshl.S: Likewise. * sysdeps/ia64/fpu/e_exp.S: Likewise. * sysdeps/ia64/fpu/e_expf.S: Likewise. * sysdeps/ia64/fpu/e_fmod.S: Likewise. * sysdeps/ia64/fpu/e_fmodf.S: Likewise. * sysdeps/ia64/fpu/e_fmodl.S: Likewise. * sysdeps/ia64/fpu/e_hypot.S: Likewise. * sysdeps/ia64/fpu/e_hypotf.S: Likewise. * sysdeps/ia64/fpu/e_hypotl.S: Likewise. * sysdeps/ia64/fpu/e_log.S: Likewise. * sysdeps/ia64/fpu/e_log2.S: Likewise. * sysdeps/ia64/fpu/e_log2f.S: Likewise. * sysdeps/ia64/fpu/e_log2l.S: Likewise. * sysdeps/ia64/fpu/e_logf.S: Likewise. * sysdeps/ia64/fpu/e_pow.S: Likewise. * sysdeps/ia64/fpu/e_powf.S: Likewise. * sysdeps/ia64/fpu/e_powl.S: Likewise. * sysdeps/ia64/fpu/e_remainder.S: Likewise. * sysdeps/ia64/fpu/e_remainderf.S: Likewise. * sysdeps/ia64/fpu/e_remainderl.S: Likewise. * sysdeps/ia64/fpu/e_scalb.S: Likewise. * sysdeps/ia64/fpu/e_scalbf.S: Likewise. * sysdeps/ia64/fpu/e_scalbl.S: Likewise. * sysdeps/ia64/fpu/e_sinh.S: Likewise. * sysdeps/ia64/fpu/e_sinhf.S: Likewise. * sysdeps/ia64/fpu/e_sinhl.S: Likewise. * sysdeps/ia64/fpu/e_sqrt.S: Likewise. * sysdeps/ia64/fpu/e_sqrtf.S: Likewise. * sysdeps/ia64/fpu/e_sqrtl.S: Likewise. * sysdeps/ia64/fpu/libm_error.c: Likewise. * sysdeps/ia64/fpu/libm_reduce.c: Likewise. * sysdeps/ia64/fpu/libm_support.h: Likewise. * sysdeps/ia64/fpu/s_atan.S: Likewise. * sysdeps/ia64/fpu/s_atanf.S: Likewise. * sysdeps/ia64/fpu/s_atanl.S: Likewise. * sysdeps/ia64/fpu/s_cbrt.S: Likewise. * sysdeps/ia64/fpu/s_cbrtf.S: Likewise. * sysdeps/ia64/fpu/s_cbrtl.S: Likewise. * sysdeps/ia64/fpu/s_ceil.S: Likewise. * sysdeps/ia64/fpu/s_ceilf.S: Likewise. * sysdeps/ia64/fpu/s_ceill.S: Likewise. * sysdeps/ia64/fpu/s_cos.S: Likewise. * sysdeps/ia64/fpu/s_cosf.S: Likewise. * sysdeps/ia64/fpu/s_cosl.S: Likewise. * sysdeps/ia64/fpu/s_expm1.S: Likewise. * sysdeps/ia64/fpu/s_expm1f.S: Likewise. * sysdeps/ia64/fpu/s_expm1l.S: Likewise. * sysdeps/ia64/fpu/s_fabs.S: Likewise. * sysdeps/ia64/fpu/s_fabsf.S: Likewise. * sysdeps/ia64/fpu/s_fabsl.S: Likewise. * sysdeps/ia64/fpu/s_floor.S: Likewise. * sysdeps/ia64/fpu/s_floorf.S: Likewise. * sysdeps/ia64/fpu/s_floorl.S: Likewise. * sysdeps/ia64/fpu/s_frexp.c: Likewise. * sysdeps/ia64/fpu/s_frexpf.c: Likewise. * sysdeps/ia64/fpu/s_frexpl.c: Likewise. * sysdeps/ia64/fpu/s_ilogb.S: Likewise. * sysdeps/ia64/fpu/s_ilogbf.S: Likewise. * sysdeps/ia64/fpu/s_ilogbl.S: Likewise. * sysdeps/ia64/fpu/s_log1p.S: Likewise. * sysdeps/ia64/fpu/s_log1pf.S: Likewise. * sysdeps/ia64/fpu/s_log1pl.S: Likewise. * sysdeps/ia64/fpu/s_logb.S: Likewise. * sysdeps/ia64/fpu/s_logbf.S: Likewise. * sysdeps/ia64/fpu/s_logbl.S: Likewise. * sysdeps/ia64/fpu/s_modf.S: Likewise. * sysdeps/ia64/fpu/s_modff.S: Likewise. * sysdeps/ia64/fpu/s_modfl.S: Likewise. * sysdeps/ia64/fpu/s_nearbyint.S: Likewise. * sysdeps/ia64/fpu/s_nearbyintf.S: Likewise. * sysdeps/ia64/fpu/s_nearbyintl.S: Likewise. * sysdeps/ia64/fpu/s_rint.S: Likewise. * sysdeps/ia64/fpu/s_rintf.S: Likewise. * sysdeps/ia64/fpu/s_rintl.S: Likewise. * sysdeps/ia64/fpu/s_round.S: Likewise. * sysdeps/ia64/fpu/s_roundf.S: Likewise. * sysdeps/ia64/fpu/s_roundl.S: Likewise. * sysdeps/ia64/fpu/s_significand.S: Likewise. * sysdeps/ia64/fpu/s_significandf.S: Likewise. * sysdeps/ia64/fpu/s_significandl.S: Likewise. * sysdeps/ia64/fpu/s_tan.S: Likewise. * sysdeps/ia64/fpu/s_tanf.S: Likewise. * sysdeps/ia64/fpu/s_tanl.S: Likewise. * sysdeps/ia64/fpu/s_trunc.S: Likewise. * sysdeps/ia64/fpu/s_truncf.S: Likewise. * sysdeps/ia64/fpu/s_truncl.S: Likewise. * sysdeps/ia64/fpu/e_acosh.S: New file from Intel libm v2.1+. * sysdeps/ia64/fpu/e_acoshf.S: Likewise. * sysdeps/ia64/fpu/e_acoshl.S: Likewise. * sysdeps/ia64/fpu/e_atanh.S: Likewise. * sysdeps/ia64/fpu/e_atanhf.S: Likewise. * sysdeps/ia64/fpu/e_atanhl.S: Likewise. * sysdeps/ia64/fpu/e_exp10.S: Likewise. * sysdeps/ia64/fpu/e_exp10f.S: Likewise. * sysdeps/ia64/fpu/e_exp10l.S: Likewise. * sysdeps/ia64/fpu/e_exp2.S: Likewise. * sysdeps/ia64/fpu/e_exp2f.S: Likewise. * sysdeps/ia64/fpu/e_exp2l.S: Likewise. * sysdeps/ia64/fpu/e_lgamma_r.S: Likewise. * sysdeps/ia64/fpu/e_lgammaf_r.S: Likewise. * sysdeps/ia64/fpu/e_lgammal_r.S: Likewise. * sysdeps/ia64/fpu/e_logl.S: Likewise. * sysdeps/ia64/fpu/libm_frexp.S: Likewise. * sysdeps/ia64/fpu/libm_frexpf.S: Likewise. * sysdeps/ia64/fpu/libm_frexpl.S: Likewise. * sysdeps/ia64/fpu/s_libm_ldexp.S: Likewise. * sysdeps/ia64/fpu/s_libm_ldexpf.S: Likewise. * sysdeps/ia64/fpu/s_libm_ldexpl.S: Likewise. * sysdeps/ia64/fpu/s_libm_scalbn.S: Likewise. * sysdeps/ia64/fpu/s_libm_scalbnf.S: Likewise. * sysdeps/ia64/fpu/s_libm_scalbnl.S: Likewise. * sysdeps/ia64/fpu/libm_lgamma.S: Likewise. * sysdeps/ia64/fpu/libm_lgammaf.S: Likewise. * sysdeps/ia64/fpu/libm_lgammal.S: Likewise. * sysdeps/ia64/fpu/libm_sincos.S: Likewise. * sysdeps/ia64/fpu/libm_sincos_large.S: Likewise. * sysdeps/ia64/fpu/libm_sincosf.S: Likewise. * sysdeps/ia64/fpu/libm_sincosl.S: Likewise. * sysdeps/ia64/fpu/libm_scalblnf.S: Likewise. * sysdeps/ia64/fpu/s_asinh.S: Likewise. * sysdeps/ia64/fpu/s_asinhf.S: Likewise. * sysdeps/ia64/fpu/s_asinhl.S: Likewise. * sysdeps/ia64/fpu/s_erf.S: Likewise. * sysdeps/ia64/fpu/s_erfc.S: Likewise. * sysdeps/ia64/fpu/s_erfcf.S: Likewise. * sysdeps/ia64/fpu/s_erfcl.S: Likewise. * sysdeps/ia64/fpu/s_erff.S: Likewise. * sysdeps/ia64/fpu/s_erfl.S: Likewise. * sysdeps/ia64/fpu/s_fdim.S: Likewise. * sysdeps/ia64/fpu/s_fdimf.S: Likewise. * sysdeps/ia64/fpu/s_fdiml.S: Likewise. * sysdeps/ia64/fpu/s_fma.S: Likewise. * sysdeps/ia64/fpu/s_fmaf.S: Likewise. * sysdeps/ia64/fpu/s_fmal.S: Likewise. * sysdeps/ia64/fpu/s_fmax.S: Likewise. * sysdeps/ia64/fpu/s_fmaxf.S: Likewise. * sysdeps/ia64/fpu/s_fmaxl.S: Likewise. * sysdeps/ia64/fpu/s_ldexp.c: Likewise. * sysdeps/ia64/fpu/s_ldexpf.c: Likewise. * sysdeps/ia64/fpu/s_ldexpl.c: Likewise. * sysdeps/ia64/fpu/s_nextafter.S: Likewise. * sysdeps/ia64/fpu/s_nextafterf.S: Likewise. * sysdeps/ia64/fpu/s_nextafterl.S: Likewise. * sysdeps/ia64/fpu/s_nexttoward.S: Likewise. * sysdeps/ia64/fpu/s_nexttowardf.S: Likewise. * sysdeps/ia64/fpu/s_nexttowardl.S: Likewise. * sysdeps/ia64/fpu/s_tanh.S: Likewise. * sysdeps/ia64/fpu/s_tanhf.S: Likewise. * sysdeps/ia64/fpu/s_tanhl.S: Likewise. * sysdeps/ia64/fpu/s_scalblnf.c: Likewise. * sysdeps/ia64/fpu/w_lgamma.c: Likewise. * sysdeps/ia64/fpu/w_lgammaf.c: Likewise. * sysdeps/ia64/fpu/w_lgammal.c: Likewise. * sysdeps/ia64/fpu/w_tgamma.S: Likewise. * sysdeps/ia64/fpu/w_tgammaf.S: Likewise. * sysdeps/ia64/fpu/w_tgammal.S: Likewise. * sysdeps/ia64/fpu/e_gamma_r.c: New empty dummy-file. * sysdeps/ia64/fpu/e_gammaf_r.c: Likewise. * sysdeps/ia64/fpu/e_gammal_r.c: Likewise. * sysdeps/ia64/fpu/w_acosh.c: Likewise. * sysdeps/ia64/fpu/w_acoshf.c: Likewise. * sysdeps/ia64/fpu/w_acoshl.c: Likewise. * sysdeps/ia64/fpu/w_atanh.c: Likewise. * sysdeps/ia64/fpu/w_atanhf.c: Likewise. * sysdeps/ia64/fpu/w_atanhl.c: Likewise. * sysdeps/ia64/fpu/w_exp10.c: Likewise. * sysdeps/ia64/fpu/w_exp10f.c: Likewise. * sysdeps/ia64/fpu/w_exp10l.c: Likewise. * sysdeps/ia64/fpu/w_exp2.c: Likewise. * sysdeps/ia64/fpu/w_exp2f.c: Likewise. * sysdeps/ia64/fpu/w_exp2l.c: Likewise. * sysdeps/ia64/fpu/w_expl.c: Likewise. * sysdeps/ia64/fpu/e_expl.S: Likewise. * sysdeps/ia64/fpu/w_lgamma_r.c: Likewise. * sysdeps/ia64/fpu/w_lgammaf_r.c: Likewise. * sysdeps/ia64/fpu/w_lgammal_r.c: Likewise. * sysdeps/ia64/fpu/w_log2.c: Likewise. * sysdeps/ia64/fpu/w_log2f.c: Likewise. * sysdeps/ia64/fpu/w_log2l.c: Likewise. * sysdeps/ia64/fpu/w_sinh.c: Likewise. * sysdeps/ia64/fpu/w_sinhf.c: Likewise. * sysdeps/ia64/fpu/w_sinhl.c: Likewise. * sysdeps/ia64/fpu/libm_atan2_reg.S: Remove. * sysdeps/ia64/fpu/s_ldexp.S: Likewise. * sysdeps/ia64/fpu/s_ldexpf.S: Likewise. * sysdeps/ia64/fpu/s_ldexpl.S: Likewise. * sysdeps/ia64/fpu/s_scalbn.S: Likewise. * sysdeps/ia64/fpu/s_scalbnf.S: Likewise. * sysdeps/ia64/fpu/s_scalbnl.S: Likewise. * sysdeps/ia64/fpu/s_sincos.c: Make it an empty dummy-file. * sysdeps/ia64/fpu/s_sincosf.c: Likewise. * sysdeps/ia64/fpu/s_sincosl.c: Likewise. * sysdeps/ia64/fpu/e_atan2l.S: Add "Not needed" comment. * sysdeps/ia64/fpu/s_copysign.S: Add __libm_copysign{,f,l} alias for use by libm_error.c * sysdeps/ia64/fpu/Makefile (libm-sysdep_routines): Remove libm_atan2_reg, libm_tan, libm_frexp4{f,l}. Mention s_erfc{,f,l}, libm_frexp{,f,l}, libm_ldexp{,f,l}, libm_sincos{,f,l}, libm_sincos_large, libm_lgamma{,f,l}, libm_scalbn{,f,l}, libm_scalblnf. (sysdep_routines): Remove libm_frexp4{,f,l}. Mention libm_frexp{,f,l}, libm_ldexp{,f,l}, and libm_scalbn{,f,l}. (sysdep-CPPFLAGS): Add -include libm-symbols.h, -D__POSIX__, _D_LIB_VERSIONIMF=_LIB_VERSION, -DSIZE_LONG_INT_64, and -DSIZE_LONG_LONG_INT_64. --- sysdeps/ia64/fpu/s_ldexp.S | 380 --------------------------------------------- 1 file changed, 380 deletions(-) delete mode 100644 sysdeps/ia64/fpu/s_ldexp.S (limited to 'sysdeps/ia64/fpu/s_ldexp.S') diff --git a/sysdeps/ia64/fpu/s_ldexp.S b/sysdeps/ia64/fpu/s_ldexp.S deleted file mode 100644 index 4dcd671c9f..0000000000 --- a/sysdeps/ia64/fpu/s_ldexp.S +++ /dev/null @@ -1,380 +0,0 @@ -.file "ldexp.s" - -// Copyright (C) 2000, 2001, 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. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// -// * Redistributions in binary form must reproduce the above copyright -// notice, this list of conditions and the following disclaimer in the -// documentation and/or other materials provided with the distribution. -// -// * 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 -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS -// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY -// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING -// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// 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. -// -// History -//============================================================== -// 2/02/00 Initial version -// 1/26/01 ldex pcompletely reworked and now standalone version -// -// API -//============================================================== -// double = ldexp (double x, int n) -// input floating point f8 and int n (r33) -// output floating point f8 -// -// Returns x* 2**n using an fma and detects overflow -// and underflow. -// -// - -#include "libm_support.h" - -FR_Big = f6 -FR_NBig = f7 -FR_Floating_X = f8 -FR_Result = f8 -FR_Result2 = f9 -FR_Result3 = f11 -FR_Norm_X = f12 -FR_Two_N = f14 -FR_Two_to_Big = f15 - -GR_N_Biased = r15 -GR_Big = r16 -GR_NBig = r17 -GR_Scratch = r18 -GR_Scratch1 = r19 -GR_Bias = r20 -GR_N_as_int = r21 - -GR_SAVE_B0 = r32 -GR_SAVE_GP = r33 -GR_SAVE_PFS = r34 -GR_Parameter_X = r35 -GR_Parameter_Y = r36 -GR_Parameter_RESULT = r37 -GR_Tag = r38 - -.align 32 -.global ldexp - -.section .text -.proc ldexp -.align 32 - -ldexp: - -// -// Is x NAN, INF, ZERO, +-? -// Build the exponent Bias -// -{ .mfi - alloc r32=ar.pfs,1,2,4,0 - fclass.m.unc p7,p0 = FR_Floating_X, 0xe7 //@snan | @qnan | @inf | @zero - addl GR_Bias = 0x0FFFF,r0 -} - -// -// Sign extend input -// Is N zero? -// Normalize x -// -{ .mfi - cmp.eq.unc p6,p0 = r33,r0 - fnorm.s1 FR_Norm_X = FR_Floating_X - sxt4 GR_N_as_int = r33 -} -;; - -// -// Normalize x -// Branch and return special values. -// Create -35000 -// Create 35000 -// -{ .mfi - addl GR_Big = 35000,r0 - nop.f 0 - add GR_N_Biased = GR_Bias,GR_N_as_int -} -{ .mfb - addl GR_NBig = -35000,r0 -(p7) fma.d.s0 FR_Result = FR_Floating_X,f1, f0 -(p7) br.ret.spnt b0 -};; - -// -// Build the exponent Bias -// Return x when N = 0 -// -{ .mfi - setf.exp FR_Two_N = GR_N_Biased - nop.f 0 - addl GR_Scratch1 = 0x063BF,r0 -} -{ .mfb - addl GR_Scratch = 0x019C3F,r0 -(p6) fma.d.s0 FR_Result = FR_Floating_X,f1, f0 -(p6) br.ret.spnt b0 -};; - -// -// Create 2*big -// Create 2**-big -// Is N > 35000 -// Is N < -35000 -// Raise Denormal operand flag with compare -// Main path, create 2**N -// -{ .mfi - setf.exp FR_NBig = GR_Scratch1 - nop.f 0 - cmp.ge.unc p6, p0 = GR_N_as_int, GR_Big -} -{ .mfi - setf.exp FR_Big = GR_Scratch - fcmp.ge.s0 p0,p11 = FR_Floating_X,f0 - cmp.le.unc p8, p0 = GR_N_as_int, GR_NBig -};; - -// -// Adjust 2**N if N was very small or very large -// -{ .mfi - nop.m 0 -(p6) fma.s1 FR_Two_N = FR_Big,f1,f0 - nop.i 0 -} -{ .mlx - nop.m 999 -(p0) movl GR_Scratch = 0x00000000000303FF -};; - - -{ .mfi - nop.m 0 -(p8) fma.s1 FR_Two_N = FR_NBig,f1,f0 - nop.i 0 -} -{ .mlx - nop.m 999 -(p0) movl GR_Scratch1= 0x00000000000103FF -};; - -// Set up necessary status fields -// -// S0 user supplied status -// S2 user supplied status + WRE + TD (Overflows) -// S3 user supplied status + FZ + TD (Underflows) -// -{ .mfi - nop.m 999 -(p0) fsetc.s3 0x7F,0x41 - nop.i 999 -} -{ .mfi - nop.m 999 -(p0) fsetc.s2 0x7F,0x42 - nop.i 999 -};; - -// -// Do final operation -// -{ .mfi - setf.exp FR_NBig = GR_Scratch - fma.d.s0 FR_Result = FR_Two_N,FR_Norm_X,f0 - nop.i 999 -} -{ .mfi - nop.m 999 - fma.d.s3 FR_Result3 = FR_Two_N,FR_Norm_X,f0 - nop.i 999 -};; -{ .mfi - setf.exp FR_Big = GR_Scratch1 - fma.d.s2 FR_Result2 = FR_Two_N,FR_Norm_X,f0 - nop.i 999 -};; - -// -// Check for overflow or underflow. -// Restore s3 -// Restore s2 -// -{ .mfi - nop.m 0 - fsetc.s3 0x7F,0x40 - nop.i 999 -} -{ .mfi - nop.m 0 - fsetc.s2 0x7F,0x40 - nop.i 999 -};; - -// -// Is the result zero? -// -{ .mfi - nop.m 999 - fclass.m.unc p6, p0 = FR_Result3, 0x007 - nop.i 999 -} -{ .mfi - addl GR_Tag = 146, r0 - fcmp.ge.unc.s1 p7, p8 = FR_Result2 , FR_Big - nop.i 0 -};; - -// -// Detect masked underflow - Tiny + Inexact Only -// -{ .mfi - nop.m 999 -(p6) fcmp.neq.unc.s1 p6, p0 = FR_Result , FR_Result2 - nop.i 999 -};; - -// -// Is result bigger the allowed range? -// Branch out for underflow -// -{ .mfb -(p6) addl GR_Tag = 147, r0 -(p8) fcmp.le.unc.s1 p9, p10 = FR_Result2 , FR_NBig -(p6) br.cond.spnt L(LDEXP_UNDERFLOW) -};; - -// -// Branch out for overflow -// -{ .mbb - nop.m 0 -(p7) br.cond.spnt L(LDEXP_OVERFLOW) -(p9) br.cond.spnt L(LDEXP_OVERFLOW) -};; - -// -// Return from main path. -// -{ .mfb - nop.m 999 - nop.f 0 - br.ret.sptk b0;; -} - -.endp ldexp -ASM_SIZE_DIRECTIVE(ldexp) -.proc __libm_error_region -__libm_error_region: - -L(LDEXP_OVERFLOW): -L(LDEXP_UNDERFLOW): - -// -// Get stack address of N -// -.prologue -{ .mfi - add GR_Parameter_Y=-32,sp - nop.f 0 -.save ar.pfs,GR_SAVE_PFS - mov GR_SAVE_PFS=ar.pfs -} -// -// Adjust sp -// -{ .mfi -.fframe 64 - add sp=-64,sp - nop.f 0 - mov GR_SAVE_GP=gp -};; - -// -// Store N on stack in correct position -// Locate the address of x on stack -// -{ .mmi - st8 [GR_Parameter_Y] = GR_N_as_int,16 - add GR_Parameter_X = 16,sp -.save b0, GR_SAVE_B0 - mov GR_SAVE_B0=b0 -};; - -// -// Store x on the stack. -// Get address for result on stack. -// -.body -{ .mib - stfd [GR_Parameter_X] = FR_Norm_X - add GR_Parameter_RESULT = 0,GR_Parameter_Y - nop.b 0 -} -{ .mib - stfd [GR_Parameter_Y] = FR_Result - add GR_Parameter_Y = -16,GR_Parameter_Y - br.call.sptk b0=__libm_error_support# -};; - -// -// Get location of result on stack -// -{ .mmi - nop.m 0 - nop.m 0 - add GR_Parameter_RESULT = 48,sp -};; - -// -// Get the new result -// -{ .mmi - ldfd FR_Result = [GR_Parameter_RESULT] -.restore sp - add sp = 64,sp - mov b0 = GR_SAVE_B0 -};; - -// -// Restore gp, ar.pfs and return -// -{ .mib - mov gp = GR_SAVE_GP - mov ar.pfs = GR_SAVE_PFS - br.ret.sptk b0 -};; - -.endp __libm_error_region -ASM_SIZE_DIRECTIVE(__libm_error_region) - -.type __libm_error_support#,@function -.global __libm_error_support# -- cgit v1.2.3