Update. cvs/fedora-glibc-20050106T1443

2004-12-29  Jakub Jelinek  <jakub@redhat.com>

	* 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  <davidm@hpl.hp.com>

	* 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  <davidm@hpl.hp.com>

	* sysdeps/ia64/fpu/libm-symbols.h: Add include of <sysdep.h> 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 <hjl@lucon.org>

	* 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  <davidm@hpl.hp.com>

	* 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.

1 files changed, 806 insertions, 0 deletions

diff --git a/sysdeps/ia64/fpu/e_exp2l.S b/sysdeps/ia64/fpu/e_exp2l.S
new file mode 100644
index 0000000000..6e2a62ad91
--- /dev/null
+++ b/sysdeps/ia64/fpu/e_exp2l.S
@@ -0,0 +1,806 @@
+.file "exp2l.s"
+
+
+// Copyright (c) 2000 - 2003, Intel Corporation
+// All rights reserved.
+//
+// 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
+// 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://www.intel.com/software/products/opensource/libraries/num.htm.
+//
+// History
+//==============================================================
+// 07/27/00 Initial version
+// 08/15/00 Bundle added after call to __libm_error_support to properly
+// set [ the previously overwritten ] GR_Parameter_RESULT.
+// 02/02/01 Added libm_error_support calls for underflow
+// 05/20/02 Cleaned up namespace and sf0 syntax
+// 02/06/03 Reordered header: .section, .global, .proc, .align
+// 05/07/03 Reformatted assembly source
+//
+// API
+//==============================================================
+// long double exp2l(long double)
+//
+// Overview of operation
+//==============================================================
+// Background
+//
+// Implementation
+//
+// Let x= K + f + r, where
+// K is an integer, f= 0.b1 b2... b8 (f>= 0),
+// and |r|<2^{-8}
+// T is a table that stores 2^f (256 entries) rounded to
+// double extended precision (only mantissa is stored)
+// D stores (2^f/T [ f ] - 1), rounded to single precision
+//
+// 2^x is approximated as
+// 2^K * T [ f ] * (1+D [ f ] +c1*r+c2*r^2+...+c6*r^6)
+//
+
+
+
+// Special values
+//==============================================================
+// exp2(0)= 1
+// exp2(+inf)= inf
+// exp2(-inf)= 0
+//
+
+
+// Registers used
+//==============================================================
+// f6-f15, f32-f46
+// r2-r3, r8-r11, r14-r40
+// p6, p7, p8, p12
+
+       FR_X        = f10
+       FR_Y        = f1
+       FR_RESULT   = f8
+
+       FR_KF0      = f6
+       FR_EXP63    = f7
+       FR_T        = f9
+       FR_COEFF3   = f10
+       FR_COEFF4   = f11
+       FR_COEFF5   = f12
+       FR_COEFF6   = f13
+       FR_COEFF1   = f14
+       FR_COEFF2   = f15
+       FR_2P14     = f32
+       FR_UF_TEST  = f33
+       FR_D        = f34
+       FR_R        = f35
+       FR_2EXP     = f36
+       FR_EMIN     = f37
+       FR_P34      = f38
+       FR_P56      = f39
+       FR_R2       = f40
+       FR_P12      = f41
+       FR_TS       = f42
+       FR_P36      = f43
+       FR_P02      = f44
+       FR_R3       = f45
+       FR_P06      = f46
+
+
+       GR_ADDR0    = r2
+       GR_ADDR     = r2
+       GR_D_ADDR0  = r3
+       GR_D_ADDR   = r3
+       GR_LEADBITS = r8
+       GR_256      = r9
+       GR_EM63     = r10
+       GR_255      = r11
+       GR_EXPON    = r14
+       GR_BM63     = r15
+       GR_UF_TEST  = r16
+       GR_INDEX    = r17
+       GR_K        = r18
+       GR_KF       = r19
+       GR_2P14     = r19
+       GR_EMIN     = r20
+       GR_IT       = r21
+       GR_ID       = r22
+       GR_63       = r23
+       GR_CONST1   = r24
+       GR_EBIAS    = r25
+       GR_CONST2   = r26
+       GR_CONST3   = r27
+       GR_SIGNIF   = r28
+       GR_ARGEXP   = r29
+       GR_SGN      = r30
+       GR_EMIN1    = r31
+       GR_SREG     = r32
+
+       GR_SAVE_B0  = r33
+       GR_SAVE_PFS = r34
+       GR_SAVE_GP  = r35
+       GR_SAVE_SP  = r36
+
+       GR_Parameter_X     = r37
+       GR_Parameter_Y     = r38
+       GR_Parameter_RESULT= r39
+       GR_Parameter_TAG   = r40
+
+
+// Data tables
+//==============================================================
+
+RODATA
+
+.align 16
+
+LOCAL_OBJECT_START(poly_coeffs)
+
+       data8 0x3fac6b08d704a0c0 // C_3
+       data8 0x3f83b2ab6fba4e77 // C_4
+       data8 0x3f55d87fe78a6731 // C_5
+       data8 0x3f2430912f86c787 // C_6
+       data8 0xb17217f7d1cf79ab, 0x00003ffe // C_1
+       data8 0xf5fdeffc162c7541, 0x00003ffc // C_2
+LOCAL_OBJECT_END(poly_coeffs)
+
+
+LOCAL_OBJECT_START(T_table)
+
+       data8 0x8000000000000000, 0x8058d7d2d5e5f6b1
+       data8 0x80b1ed4fd999ab6c, 0x810b40a1d81406d4
+       data8 0x8164d1f3bc030773, 0x81bea1708dde6056
+       data8 0x8218af4373fc25ec, 0x8272fb97b2a5894c
+       data8 0x82cd8698ac2ba1d7, 0x83285071e0fc4547
+       data8 0x8383594eefb6ee37, 0x83dea15b9541b132
+       data8 0x843a28c3acde4046, 0x8495efb3303efd30
+       data8 0x84f1f656379c1a29, 0x854e3cd8f9c8c95d
+       data8 0x85aac367cc487b15, 0x86078a2f23642a9f
+       data8 0x8664915b923fba04, 0x86c1d919caef5c88
+       data8 0x871f61969e8d1010, 0x877d2afefd4e256c
+       data8 0x87db357ff698d792, 0x88398146b919f1d4
+       data8 0x88980e8092da8527, 0x88f6dd5af155ac6b
+       data8 0x8955ee03618e5fdd, 0x89b540a7902557a4
+       data8 0x8a14d575496efd9a, 0x8a74ac9a79896e47
+       data8 0x8ad4c6452c728924, 0x8b3522a38e1e1032
+       data8 0x8b95c1e3ea8bd6e7, 0x8bf6a434adde0085
+       data8 0x8c57c9c4646f4dde, 0x8cb932c1bae97a95
+       data8 0x8d1adf5b7e5ba9e6, 0x8d7ccfc09c50e2f8
+       data8 0x8ddf042022e69cd6, 0x8e417ca940e35a01
+       data8 0x8ea4398b45cd53c0, 0x8f073af5a2013520
+       data8 0x8f6a8117e6c8e5c4, 0x8fce0c21c6726481
+       data8 0x9031dc431466b1dc, 0x9095f1abc540ca6b
+       data8 0x90fa4c8beee4b12b, 0x915eed13c89689d3
+       data8 0x91c3d373ab11c336, 0x9228ffdc10a051ad
+       data8 0x928e727d9531f9ac, 0x92f42b88f673aa7c
+       data8 0x935a2b2f13e6e92c, 0x93c071a0eef94bc1
+       data8 0x9426ff0fab1c04b6, 0x948dd3ac8ddb7ed3
+       data8 0x94f4efa8fef70961, 0x955c5336887894d5
+       data8 0x95c3fe86d6cc7fef, 0x962bf1cbb8d97560
+       data8 0x96942d3720185a00, 0x96fcb0fb20ac4ba3
+       data8 0x97657d49f17ab08e, 0x97ce9255ec4357ab
+       data8 0x9837f0518db8a96f, 0x98a1976f7597e996
+       data8 0x990b87e266c189aa, 0x9975c1dd47518c77
+       data8 0x99e0459320b7fa65, 0x9a4b13371fd166ca
+       data8 0x9ab62afc94ff864a, 0x9b218d16f441d63d
+       data8 0x9b8d39b9d54e5539, 0x9bf93118f3aa4cc1
+       data8 0x9c6573682ec32c2d, 0x9cd200db8a0774cb
+       data8 0x9d3ed9a72cffb751, 0x9dabfdff6367a2aa
+       data8 0x9e196e189d472420, 0x9e872a276f0b98ff
+       data8 0x9ef5326091a111ae, 0x9f6386f8e28ba651
+       data8 0x9fd228256400dd06, 0xa041161b3d0121be
+       data8 0xa0b0510fb9714fc2, 0xa11fd9384a344cf7
+       data8 0xa18faeca8544b6e4, 0xa1ffd1fc25cea188
+       data8 0xa27043030c496819, 0xa2e102153e918f9e
+       data8 0xa3520f68e802bb93, 0xa3c36b345991b47c
+       data8 0xa43515ae09e6809e, 0xa4a70f0c95768ec5
+       data8 0xa5195786be9ef339, 0xa58bef536dbeb6ee
+       data8 0xa5fed6a9b15138ea, 0xa6720dc0be08a20c
+       data8 0xa6e594cfeee86b1e, 0xa7596c0ec55ff55b
+       data8 0xa7cd93b4e965356a, 0xa8420bfa298f70d1
+       data8 0xa8b6d5167b320e09, 0xa92bef41fa77771b
+       data8 0xa9a15ab4ea7c0ef8, 0xaa1717a7b5693979
+       data8 0xaa8d2652ec907629, 0xab0386ef48868de1
+       data8 0xab7a39b5a93ed337, 0xabf13edf162675e9
+       data8 0xac6896a4be3fe929, 0xace0413ff83e5d04
+       data8 0xad583eea42a14ac6, 0xadd08fdd43d01491
+       data8 0xae493452ca35b80e, 0xaec22c84cc5c9465
+       data8 0xaf3b78ad690a4375, 0xafb51906e75b8661
+       data8 0xb02f0dcbb6e04584, 0xb0a957366fb7a3c9
+       data8 0xb123f581d2ac2590, 0xb19ee8e8c94feb09
+       data8 0xb21a31a66618fe3b, 0xb295cff5e47db4a4
+       data8 0xb311c412a9112489, 0xb38e0e38419fae18
+       data8 0xb40aaea2654b9841, 0xb487a58cf4a9c180
+       data8 0xb504f333f9de6484, 0xb58297d3a8b9f0d2
+       data8 0xb60093a85ed5f76c, 0xb67ee6eea3b22b8f
+       data8 0xb6fd91e328d17791, 0xb77c94c2c9d725e9
+       data8 0xb7fbefca8ca41e7c, 0xb87ba337a1743834
+       data8 0xb8fbaf4762fb9ee9, 0xb97c143756844dbf
+       data8 0xb9fcd2452c0b9deb, 0xba7de9aebe5fea09
+       data8 0xbaff5ab2133e45fb, 0xbb81258d5b704b6f
+       data8 0xbc034a7ef2e9fb0d, 0xbc85c9c560e7b269
+       data8 0xbd08a39f580c36bf, 0xbd8bd84bb67ed483
+       data8 0xbe0f6809860993e2, 0xbe935317fc378238
+       data8 0xbf1799b67a731083, 0xbf9c3c248e2486f8
+       data8 0xc0213aa1f0d08db0, 0xc0a6956e8836ca8d
+       data8 0xc12c4cca66709456, 0xc1b260f5ca0fbb33
+       data8 0xc238d2311e3d6673, 0xc2bfa0bcfad907c9
+       data8 0xc346ccda24976407, 0xc3ce56c98d21b15d
+       data8 0xc4563ecc5334cb33, 0xc4de8523c2c07baa
+       data8 0xc5672a115506dadd, 0xc5f02dd6b0bbc3d9
+       data8 0xc67990b5aa245f79, 0xc70352f04336c51e
+       data8 0xc78d74c8abb9b15d, 0xc817f681416452b2
+       data8 0xc8a2d85c8ffe2c45, 0xc92e1a9d517f0ecc
+       data8 0xc9b9bd866e2f27a3, 0xca45c15afcc72624
+       data8 0xcad2265e4290774e, 0xcb5eecd3b38597c9
+       data8 0xcbec14fef2727c5d, 0xcc799f23d11510e5
+       data8 0xcd078b86503dcdd2, 0xcd95da6a9ff06445
+       data8 0xce248c151f8480e4, 0xceb3a0ca5dc6a55d
+       data8 0xcf4318cf191918c1, 0xcfd2f4683f94eeb5
+       data8 0xd06333daef2b2595, 0xd0f3d76c75c5db8d
+       data8 0xd184df6251699ac6, 0xd2164c023056bcab
+       data8 0xd2a81d91f12ae45a, 0xd33a5457a3029054
+       data8 0xd3ccf099859ac379, 0xd45ff29e0972c561
+       data8 0xd4f35aabcfedfa1f, 0xd5872909ab75d18a
+       data8 0xd61b5dfe9f9bce07, 0xd6aff9d1e13ba2fe
+       data8 0xd744fccad69d6af4, 0xd7da67311797f56a
+       data8 0xd870394c6db32c84, 0xd9067364d44a929c
+       data8 0xd99d15c278afd7b6, 0xda3420adba4d8704
+       data8 0xdacb946f2ac9cc72, 0xdb63714f8e295255
+       data8 0xdbfbb797daf23755, 0xdc9467913a4f1c92
+       data8 0xdd2d818508324c20, 0xddc705bcd378f7f0
+       data8 0xde60f4825e0e9124, 0xdefb4e1f9d1037f2
+       data8 0xdf9612deb8f04420, 0xe031430a0d99e627
+       data8 0xe0ccdeec2a94e111, 0xe168e6cfd3295d23
+       data8 0xe2055afffe83d369, 0xe2a23bc7d7d91226
+       data8 0xe33f8972be8a5a51, 0xe3dd444c46499619
+       data8 0xe47b6ca0373da88d, 0xe51a02ba8e26d681
+       data8 0xe5b906e77c8348a8, 0xe658797368b3a717
+       data8 0xe6f85aaaee1fce22, 0xe798aadadd5b9cbf
+       data8 0xe8396a503c4bdc68, 0xe8da9958464b42ab
+       data8 0xe97c38406c4f8c57, 0xea1e4756550eb27b
+       data8 0xeac0c6e7dd24392f, 0xeb63b74317369840
+       data8 0xec0718b64c1cbddc, 0xecaaeb8ffb03ab41
+       data8 0xed4f301ed9942b84, 0xedf3e6b1d418a491
+       data8 0xee990f980da3025b, 0xef3eab20e032bc6b
+       data8 0xefe4b99bdcdaf5cb, 0xf08b3b58cbe8b76a
+       data8 0xf13230a7ad094509, 0xf1d999d8b7708cc1
+       data8 0xf281773c59ffb13a, 0xf329c9233b6bae9c
+       data8 0xf3d28fde3a641a5b, 0xf47bcbbe6db9fddf
+       data8 0xf5257d152486cc2c, 0xf5cfa433e6537290
+       data8 0xf67a416c733f846e, 0xf7255510c4288239
+       data8 0xf7d0df730ad13bb9, 0xf87ce0e5b2094d9c
+       data8 0xf92959bb5dd4ba74, 0xf9d64a46eb939f35
+       data8 0xfa83b2db722a033a, 0xfb3193cc4227c3f4
+       data8 0xfbdfed6ce5f09c49, 0xfc8ec01121e447bb
+       data8 0xfd3e0c0cf486c175, 0xfdedd1b496a89f35
+       data8 0xfe9e115c7b8f884c, 0xff4ecb59511ec8a5
+LOCAL_OBJECT_END(T_table)
+
+
+LOCAL_OBJECT_START(D_table)
+
+       data4 0x00000000, 0x9f55c08f, 0x1e93ffa3, 0x1dcd43a8
+       data4 0x1f751f79, 0x9f3cdd88, 0x9f43d155, 0x1eda222c
+       data4 0x1ef35513, 0x9f597895, 0x9e698881, 0x1ec71073
+       data4 0x1e50e371, 0x9dc01e19, 0x1de74133, 0x1e2f028c
+       data4 0x9edefb47, 0x1ebbac48, 0x9e8b0330, 0x9e9e9314
+       data4 0x1edc1d11, 0x1f098529, 0x9f52827c, 0x1f50050d
+       data4 0x1f301e8e, 0x1f5b64d1, 0x9f45e3ee, 0x9ef64d6d
+       data4 0x1d6ec5e8, 0x9e61ad9a, 0x1d44ccbb, 0x9e4a8bbb
+       data4 0x9cf11576, 0x9dcce7e7, 0x9d02ac90, 0x1f26ccf0
+       data4 0x9f0877c6, 0x9ddd62ae, 0x9f4b7fc3, 0x1ea8ef6b
+       data4 0x1ea4378d, 0x1ef6fc38, 0x1db99fd9, 0x1f22bf6f
+       data4 0x1f53e172, 0x1e85504a, 0x9f37cc75, 0x1f0c5e17
+       data4 0x1dde8aac, 0x9cb42bb2, 0x1e153cd7, 0x1eb62bba
+       data4 0x9e9b941b, 0x9ea80e3c, 0x1f508823, 0x1ec3fd36
+       data4 0x1e9ffaa1, 0x1e21e2eb, 0x9d948b1d, 0x9e8ac93a
+       data4 0x1ef7ee6f, 0x9e80dda3, 0x1f0814be, 0x1dc5ddfe
+       data4 0x1eedb9d1, 0x9f2aaa26, 0x9ea5b0fc, 0x1edf702e
+       data4 0x9e391201, 0x1f1316bb, 0x1ea27fb7, 0x9e05ed18
+       data4 0x9f199ed2, 0x1ee7fd7c, 0x1f003db6, 0x9eac3793
+       data4 0x9e5b8c10, 0x9f3af17c, 0x1bc9a8be, 0x1ee3c004
+       data4 0x9f19b1b2, 0x9f242ce9, 0x9ce67dd1, 0x9e4f6275
+       data4 0x1e20742c, 0x1eb9328a, 0x9f477153, 0x1d969718
+       data4 0x9f1e6c43, 0x1f2f67f4, 0x9f39c7e4, 0x9e3c4feb
+       data4 0x1da3956b, 0x9e7c685d, 0x1f280911, 0x9f0d8afb
+       data4 0x1e314b40, 0x9eb4f250, 0x9f1a34ad, 0x1ef5d5e7
+       data4 0x9f145496, 0x1e604827, 0x9f1e5195, 0x1e9c1fc0
+       data4 0x1efde521, 0x1e69b385, 0x1f316830, 0x9f244eae
+       data4 0x1f1787ec, 0x9e939971, 0x1f0bb393, 0x9f0511d6
+       data4 0x1ed919de, 0x1d8b7b28, 0x1e5ca4a9, 0x1e7c357b
+       data4 0x9e3ff8e8, 0x1eef53b5, 0x9ed22ed7, 0x1f16659b
+       data4 0x9f2db102, 0x9e2c6a78, 0x1f328d7d, 0x9f2fec3c
+       data4 0x1eb395bd, 0x9f242b84, 0x9e2683e6, 0x1ed71e68
+       data4 0x1efd1df5, 0x9e9eeafd, 0x9ed2249c, 0x1eef129a
+       data4 0x1d1ea44c, 0x9e81f7ff, 0x1eaf77c9, 0x9ee7a285
+       data4 0x1e1864ed, 0x9ee7edbb, 0x9e15a27d, 0x9ae61655
+       data4 0x1f1ff1a2, 0x1da29755, 0x9e5f46fb, 0x1e901236
+       data4 0x9eecfb9b, 0x9f204d2f, 0x1ec64685, 0x9eb809bd
+       data4 0x9e0026c5, 0x1d9f1da1, 0x1f142b49, 0x9f20f22e
+       data4 0x1f24b067, 0x1f185a4c, 0x9f09765c, 0x9ece902f
+       data4 0x1e2ca5db, 0x1e6de464, 0x9f071f67, 0x1f1518c3
+       data4 0x1ea13ded, 0x1f0b8414, 0x1edb6ad4, 0x9e548740
+       data4 0x9ea10efb, 0x1ee48a60, 0x1e7954c5, 0x9edad013
+       data4 0x9f21517d, 0x9e9b6e0c, 0x9ee7f9a6, 0x9ebd4298
+       data4 0x9d65b24e, 0x1eed751f, 0x9f1573ea, 0x9d430377
+       data4 0x9e13fc0c, 0x1e47008a, 0x1e3d5c1d, 0x1ef41a91
+       data4 0x9e4a4ef7, 0x9e952f18, 0x1d620566, 0x1d9b8d33
+       data4 0x1db06247, 0x1e94b31e, 0x1f0730ad, 0x9d79ffb4
+       data4 0x1ed64d51, 0x9e91fd11, 0x9e28d35a, 0x9dea0ed9
+       data4 0x1e891def, 0x9ee28ac0, 0x1e1db99b, 0x9ee1ce38
+       data4 0x9bdd9bca, 0x1eb72cb9, 0x9e8c53c6, 0x1e0df6ca
+       data4 0x1e8f2ccd, 0x9e9b0886, 0x1eeb3bc7, 0x1ec7e772
+       data4 0x9e210776, 0x9daf246c, 0x1ea1f151, 0x1ece4dc6
+       data4 0x1ce741c8, 0x1ed3c88f, 0x9ec9a4fd, 0x9e0c8d30
+       data4 0x1d2fbb26, 0x9ef212a7, 0x1ee44f1c, 0x9e445550
+       data4 0x1e075f77, 0x9d9291a3, 0x1f09c2ee, 0x9e012c88
+       data4 0x1f057d62, 0x9e7bb0dc, 0x9d8758ee, 0x1ee8d6c1
+       data4 0x9e509a57, 0x9e4ca7b7, 0x1e2cb341, 0x9ec35106
+       data4 0x1ecf3baf, 0x1e11781c, 0x1ea0cc78, 0x1eb75ca6
+       data4 0x1e961e1a, 0x1eb88853, 0x1e7abf50, 0x1ee38704
+       data4 0x9dc5ab0f, 0x1afe197b, 0x9ec07523, 0x9d9b7f78
+       data4 0x1f011618, 0x1ed43b0b, 0x9f035945, 0x9e3fd014
+       data4 0x9bbda5cd, 0x9e83f8ab, 0x1e58a928, 0x1e392d61
+       data4 0x1efdbb52, 0x1ee310a8, 0x9ec7ecc1, 0x1e8c9ed6
+       data4 0x9ef82dee, 0x9e70545b, 0x9ea53fc4, 0x1e40f419
+LOCAL_OBJECT_END(D_table)
+
+
+
+.section .text
+GLOBAL_LIBM_ENTRY(exp2l)
+
+{.mii
+       // get exponent
+       getf.exp GR_EBIAS = f8
+       // GR_D_ADDR0 = pointer to D_table
+       addl GR_D_ADDR0 = @ltoff(D_table), gp
+       // GR_ADDR0 = pointer to C_1...C_6 followed by T_table
+       addl GR_ADDR0 = @ltoff(poly_coeffs), gp ;;
+}
+
+{.mfi
+       // get significand
+       getf.sig GR_SIGNIF = f8
+       // will continue only for normal/denormal numbers
+       fclass.nm.unc p12, p7 = f8, 0x1b
+       mov GR_63 = 63 ;;
+}
+
+{.mfi
+       nop.m 0
+       nop.f 0
+       // GR_CONST2 = bias+63-8
+       mov GR_CONST2 = 0xffff+55
+}
+{.mfi
+       // GR_CONST1 = bias+15
+       mov GR_CONST1 = 0xffff+15
+       nop.f 0
+       mov GR_CONST3 = 0x1ffff ;;
+}
+
+{.mfi
+       // load start address for C_1...C_6 followed by T_table
+       ld8 GR_ADDR = [ GR_ADDR0 ]
+       nop.f 0
+       // get sign of argument
+       andcm GR_SGN = GR_EBIAS, GR_CONST3
+}
+{.mfi
+       // GR_D_ADDR = pointer to D_table
+       ld8 GR_D_ADDR = [ GR_D_ADDR0 ]
+       nop.f 0
+       // get argument exponent
+       and GR_ARGEXP = GR_CONST3, GR_EBIAS ;;
+}
+
+{.mfi
+       alloc GR_SREG = ar.pfs, 1, 4, 4, 0
+       nop.f 0
+       // p6 = 1 if sign = 1
+       cmp.ne p6, p8 = GR_SGN, r0
+}
+{.mfi
+       // p7 = 1 if exponent> = 15 (argument out of range)
+       cmp.ge p7, p0 = GR_ARGEXP, GR_CONST1
+       nop.f 0
+       sub GR_EXPON = GR_CONST2, GR_ARGEXP ;;
+}
+
+{.mib
+       // load C_3, C_4
+       ldfpd FR_COEFF3, FR_COEFF4 = [ GR_ADDR ], 16
+       // get first exponent+8 bits
+       shr.u GR_LEADBITS = GR_SIGNIF, GR_EXPON
+ (p12) br.cond.spnt SPECIAL_exp2l
+}
+{.mib
+       mov GR_256 = 256
+       // exponent- = 63
+       sub GR_EM63 = GR_EBIAS, GR_63
+  (p7) br.cond.spnt OUT_RANGE_exp2l ;;
+}
+
+{.mlx
+       // load C_5, C_6
+       ldfpd FR_COEFF5, FR_COEFF6 = [ GR_ADDR ], 16
+       // GR_2P14 = 2^14
+       movl GR_2P14 = 0x46800000 ;;
+}
+
+{.mfi
+       // load C_1
+       ldfe FR_COEFF1 = [ GR_ADDR ], 16
+       fma.s0 f8 = f8, f1, f0
+       // GR_BM63 = bias-63
+       mov GR_BM63 = 0xffff-63 ;;
+}
+
+{.mlx
+       setf.s FR_2P14 = GR_2P14
+       // GR_UF_TEST = -2^14-62
+       movl GR_UF_TEST = 0xc6807c00
+}
+{.mfi
+       // load C_2
+       ldfe FR_COEFF2 = [ GR_ADDR ], 16
+       nop.f 0
+       mov GR_255 = 255 ;;
+}
+
+{.mib
+       // get 8-bit index
+       and GR_INDEX = GR_255, GR_LEADBITS
+       // get K = integer part
+       shr.u GR_K = GR_LEADBITS, 8
+       nop.b 0 ;;
+}
+
+{.mmi
+       // if sign = 1 && f>0, set p7 = 1
+  (p6) cmp.gt.unc p7, p0 = GR_INDEX, r0
+       setf.s FR_UF_TEST = GR_UF_TEST
+       shl GR_KF = GR_LEADBITS, GR_EXPON ;;
+}
+
+{.mfi
+       // if sign = 1 && f>0, set f = 1-f
+  (p7) sub GR_INDEX = GR_256, GR_INDEX
+       nop.f 0
+       // if sign = 1 && f>0, set K = K+1
+  (p7) add GR_K = GR_K, r0, 1 ;;
+}
+
+{.mfi
+       // FR_EXP63 = 2^{expon-63}
+       setf.exp FR_EXP63 = GR_EM63
+       nop.f 0
+       nop.i 0 ;;
+}
+
+.pred.rel "mutex", p6, p8
+{.mfi
+       // if sign = 0, set scale factor exponent S = K+bias-63
+  (p8) add GR_K = GR_K, GR_BM63
+       nop.f 0
+       // if sign = 1, set scale factor exponent S = -K+bias-63
+  (p6) sub GR_K = GR_BM63, GR_K ;;
+}
+
+{.mmi
+       // FR_KF0 = 2^{63-expon}*(K+f)
+       setf.sig FR_KF0 = GR_KF
+       nop.m 0
+       // GR_EMIN = EMIN = 2-2^14
+       mov GR_EMIN = 0x18cfff ;;
+}
+
+{.mfi
+       // get T_table index
+       shladd GR_IT = GR_INDEX, 3, GR_ADDR
+       // p7 = 1 if x> = 2^10
+       fcmp.ge.s1 p7, p12 = f8, FR_2P14
+       // get D_table index
+       shladd GR_ID = GR_INDEX, 2, GR_D_ADDR ;;
+}
+
+{.mfi
+       // load T_table value
+       ldf8 FR_T = [ GR_IT ]
+       // p7 = 1 if x<-2^10-50
+ (p12) fcmp.lt.s1 p7, p0 = f8, FR_UF_TEST
+       // GR_EMIN1 = EMIN = 2-2^14
+       shl GR_EMIN1 = GR_EMIN, 11 ;;
+}
+
+{.mmb
+       // f50 = scale factor = 2^{K-63}
+       setf.exp FR_2EXP = GR_K
+       // load D_table value
+       ldfs FR_D = [ GR_ID ]
+  (p7) br.cond.spnt OUT_RANGE_exp2l ;;
+}
+
+{.mfi
+       nop.m 0
+       // get r = x-(K+f)
+       fnma.s1 FR_R = FR_KF0, FR_EXP63, f8
+       nop.i 0 ;;
+}
+
+{.mfi
+       // FR_EMIN = EMIN
+       setf.s FR_EMIN = GR_EMIN1
+       // P34 = C_4*r+C_3
+       fma.s1 FR_P34 = FR_COEFF4, FR_R, FR_COEFF3
+       nop.i 0
+}
+{.mfi
+       nop.m 0
+       // P56 = C_6*r+C_5
+       fma.s1 FR_P56 = FR_COEFF6, FR_R, FR_COEFF5
+       nop.i 0 ;;
+}
+
+{.mfi
+       nop.m 0
+       //  r*r
+       fma.s1 FR_R2 = FR_R, FR_R, f0
+       nop.i 0
+}
+{.mfi
+       nop.m 0
+       // P12 = C_2*r+C_1
+       fma.s1 FR_P12 = FR_COEFF2, FR_R, FR_COEFF1
+       nop.i 0 ;;
+}
+
+{.mfi
+       nop.m 0
+       // T* = scaling factor
+       fma.s1 FR_TS = FR_T, FR_2EXP, f0
+       nop.i 0
+}
+{.mfi
+       nop.m 0
+       // P36 = P34+r2*P56
+       fma.s1 FR_P36 = FR_P56, FR_R2, FR_P34
+       nop.i 0 ;;
+}
+
+{.mfi
+       nop.m 0
+       // P02 = D+r*P12
+       fma.s1 FR_P02 = FR_P12, FR_R, FR_D
+       nop.i 0
+}
+{.mfi
+       nop.m 0
+       // GR_ID = r*r2
+       fma.s1 FR_R3 = FR_R2, FR_R, f0
+       nop.i 0 ;;
+}
+
+{.mfi
+       nop.m 0
+       // P06 = P02+r3*P36
+       fma.s1 FR_P06 = FR_P36, FR_R3, FR_P02
+       nop.i 0 ;;
+}
+
+{.mfi
+       nop.m 0
+       // underflow (x<EMIN) ?
+       fcmp.lt.s0 p6, p8 = f8, FR_EMIN
+       nop.i 0 ;;
+}
+
+{.mfb
+       nop.m 0
+       // result = T+T*P06
+       fma.s0 f8 = FR_TS, FR_P06, FR_TS
+       // return
+  (p8) br.ret.sptk b0
+}
+{.mfb
+  (p6) mov GR_Parameter_TAG = 160
+       nop.f 0
+  (p6) br.cond.sptk __libm_error_region ;;
+}
+
+
+SPECIAL_exp2l:
+
+{.mfi
+       nop.m 0
+       // x = -Infinity ?
+       fclass.m p6, p0 = f8, 0x22
+       nop.i 0 ;;
+}
+
+{.mfi
+       nop.m 0
+       // x = +Infinity ?
+       fclass.m p7, p0 = f8, 0x21
+       nop.i 0 ;;
+}
+
+{.mfi
+       nop.m 0
+       // x = +/-Zero ?
+       fclass.m p8, p0 = f8, 0x7
+       nop.i 0
+}
+{.mfb
+       nop.m 0
+       // exp2l(-Infinity) = 0
+  (p6) mov f8 = f0
+  (p6) br.ret.spnt b0 ;;
+}
+
+{.mfb
+       nop.m 0
+       // exp2l(+Infinity) = +Infinity
+       nop.f 0
+  (p7) br.ret.spnt b0 ;;
+}
+
+{.mfb
+       nop.m 0
+       // exp2l(+/-0) = 1
+  (p8) mov f8 = f1
+  (p8) br.ret.spnt b0 ;;
+}
+
+{.mfb
+       nop.m 0
+       // Remaining cases: NaNs
+       fma.s0 f8 = f8, f1, f0
+       br.ret.sptk b0 ;;
+}
+
+
+OUT_RANGE_exp2l:
+
+
+{.mfi
+       // overflow: p8 = 1
+  (p8) mov GR_EM63 = 0x1fffe
+       // normalize input, to detect pseudo-zeroes
+       fma.s0 f8 = f8, f1, f0
+       nop.i 0 ;;
+}
+
+{.mfi
+       nop.m 0
+       // f8 = 0?
+       fcmp.eq.s1 p7, p0 = f8, f0
+       nop.i 0 ;;
+}
+
+{.mmb
+  (p8) mov GR_Parameter_TAG = 159
+  (p8) setf.exp FR_TS = GR_EM63
+       nop.b 999 ;;
+}
+
+{.mfb
+       nop.m 0
+       // pseudo-zero
+  (p7) mov f8 = f1
+  (p7) br.ret.sptk b0 ;;
+}
+
+{.mfi
+       nop.m 999
+  (p8) fma.s0 f8 = FR_TS, FR_TS, f0
+       nop.i 999
+}
+{.mii
+       nop.m 0
+       // underflow: p6 = 1
+  (p6) mov GR_EM63 = 1
+       nop.i 0 ;;
+}
+
+{.mmb
+  (p6) mov GR_Parameter_TAG = 160
+  (p6) setf.exp FR_TS = GR_EM63
+       nop.b 999 ;;
+}
+
+{.mfb
+       nop.m 999
+  (p6) fma.s0 f8 = FR_TS, FR_TS, f0
+       nop.b 0 ;;
+}
+
+
+GLOBAL_LIBM_END(exp2l)
+
+LOCAL_LIBM_ENTRY(__libm_error_region)
+.prologue
+{.mfi
+       add GR_Parameter_Y = -32, sp // Parameter 2 value
+       nop.f 0
+.save ar.pfs, GR_SAVE_PFS
+       mov GR_SAVE_PFS = ar.pfs // Save ar.pfs
+}
+{.mfi
+.fframe 64
+       add sp = -64, sp // Create new stack
+       nop.f 0
+       mov GR_SAVE_GP = gp ;; // Save gp
+}
+
+{.mmi
+       stfe [ GR_Parameter_Y ] = FR_Y, 16 // STORE Parameter 2 on stack
+       add GR_Parameter_X = 16, sp // Parameter 1 address
+.save b0, GR_SAVE_B0
+       mov GR_SAVE_B0 = b0 ;; // Save b0
+}
+
+.body
+{.mib
+       stfe [ GR_Parameter_X ] = FR_X // STORE Parameter 1 on stack
+       add GR_Parameter_RESULT = 0, GR_Parameter_Y // Parameter 3 address
+       nop.b 0
+}
+{.mib
+       stfe [ GR_Parameter_Y ] = FR_RESULT // STORE Parameter 3 on stack
+       add GR_Parameter_Y = -16, GR_Parameter_Y
+       br.call.sptk b0 = __libm_error_support# ;; // Call error handling function
+}
+
+{.mmi
+       add GR_Parameter_RESULT = 48, sp
+       nop.m 0
+       nop.i 0 ;;
+}
+
+{.mmi
+       ldfe f8 = [ GR_Parameter_RESULT ] // Get return result off stack
+.restore sp
+       add sp = 64, sp // Restore stack pointer
+       mov b0 = GR_SAVE_B0 ;; // Restore return address
+}
+
+{.mib
+       mov gp = GR_SAVE_GP // Restore gp
+       mov ar.pfs = GR_SAVE_PFS // Restore ar.pfs
+       br.ret.sptk b0 ;; // Return
+}
+
+
+LOCAL_LIBM_END(__libm_error_region)
+.type __libm_error_support#, @function
+.global __libm_error_support#