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[Commits] r18408 - in /fsf/trunk/libc: ./ math/ sysdeps/i386/fpu/ sysdeps/ieee754/dbl-64/ sysdeps/ieee754/ldbl-128/ sysdeps/ieee754/ld...



Author: eglibc
Date: Mon May  7 00:01:37 2012
New Revision: 18408

Log:
Import glibc-mainline for 2012-05-07

Added:
    fsf/trunk/libc/sysdeps/ieee754/dbl-64/e_exp10.c
    fsf/trunk/libc/sysdeps/ieee754/ldbl-128/e_exp10l.c
    fsf/trunk/libc/sysdeps/ieee754/ldbl-128ibm/e_exp10l.c
    fsf/trunk/libc/sysdeps/x86_64/fpu/e_exp10l.S
Modified:
    fsf/trunk/libc/ChangeLog
    fsf/trunk/libc/Makeconfig
    fsf/trunk/libc/NEWS
    fsf/trunk/libc/math/libm-test.inc
    fsf/trunk/libc/sysdeps/i386/fpu/e_exp10l.S
    fsf/trunk/libc/sysdeps/i386/fpu/e_expl.S
    fsf/trunk/libc/sysdeps/x86_64/fpu/e_expl.S
    fsf/trunk/libc/sysdeps/x86_64/fpu/libm-test-ulps

Modified: fsf/trunk/libc/ChangeLog
==============================================================================
--- fsf/trunk/libc/ChangeLog (original)
+++ fsf/trunk/libc/ChangeLog Mon May  7 00:01:37 2012
@@ -1,3 +1,47 @@
+2012-05-06  Joseph Myers  <joseph@xxxxxxxxxxxxxxxx>
+
+	[BZ #13884]
+	[BZ #13914]
+	* sysdeps/i386/fpu/e_expl.S (IEEE754_EXPL): Define conditional on
+	USE_AS_EXP10L.
+	(EXPL_FINITE): Likewise.
+	(FLDLOG): Likewise.
+	(c0): Likewise.
+	(c1): Likewise.
+	(__ieee754_expl): Change to IEEE754_EXPL.  Use FLDLOG macro.
+	Adjust comments for base varying.
+	(__expl_finite): Change alias to EXPL_FINITE.
+	* sysdeps/i386/fpu/e_exp10l.S: Define USE_AS_EXP10L and include
+	e_expl.S.
+	* sysdeps/ieee754/dbl-64/e_exp10.c: New file.
+	* sysdeps/ieee754/ldbl-128/e_exp10l.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_exp10l.c: Likewise.
+	* sysdeps/x86_64/fpu/e_exp10l.S: Likewise.
+	* sysdeps/x86_64/fpu/e_expl.S (IEEE754_EXPL): Define conditional on
+	USE_AS_EXP10L.
+	(EXPL_FINITE): Likewise.
+	(FLDLOG): Likewise.
+	(c0): Likewise.
+	(c1): Likewise.
+	(__ieee754_expl): Change to IEEE754_EXPL.  Use FLDLOG macro.
+	Adjust comments for base varying.
+	(__expl_finite): Change alias to EXPL_FINITE.
+	* math/libm-test.inc (exp10_test): Add more tests.  Do not disable
+	tests for bugs.
+	* sysdeps/x86_64/fpu/libm-test-ulps: Update.
+
+	[BZ #14064]
+	* math/libm-test.inc (check_float_internal): Correct ulp
+	calculation for subnormal expected results.
+
+2012-05-06  Andreas Jaeger  <aj@xxxxxxx>
+
+	* Makeconfig (+math-flags): New, set to -frounding-math.
+	(+cflags): Add +math-flags so that all of glibc gets compiled with
+	it.
+
+	* sysdeps/x86_64/fpu/libm-test-ulps: Updated.
+
 2012-05-05  Joseph Myers  <joseph@xxxxxxxxxxxxxxxx>
 
 	* math/libm-test.inc (hypot_test) [TEST_DOUBLE && TEST_INLINE]:
@@ -117,8 +161,9 @@
 	* sysdeps/unix/bsd/tcgetattr.c: Likewise.
 	* sysdeps/unix/bsd/tcsetattr.c: Likewise.
 
-2012-05-02  Adhemerval Zanella  <azanella@xxxxxxxxxxxxxxxxxx>
-
+2012-05-04  Adhemerval Zanella  <azanella@xxxxxxxxxxxxxxxxxx>
+
+	[BZ #13563]
 	* sysdeps/ieee754/ldbl-128ibm/e_acosl.c (__ieee754_acosl): Fix
 	long double comparison inaccuracies.
 	* sysdeps/ieee754/ldbl-128ibm/e_asinl.c (__ieee754_asinl): Likewise.

Modified: fsf/trunk/libc/Makeconfig
==============================================================================
--- fsf/trunk/libc/Makeconfig (original)
+++ fsf/trunk/libc/Makeconfig Mon May  7 00:01:37 2012
@@ -574,6 +574,11 @@
 # actually different, so allow the compiler to merge them all.
 +merge-constants = -fmerge-all-constants
 
+# We have to assume that glibc functions are called in any rounding
+# mode and also change the rounding mode in a few functions. So,
+# disable any optimization that assume default rounding mode.
++math-flags = -frounding-math
+
 # This is the program that generates makefile dependencies from C source files.
 # The -MP flag tells GCC >= 3.2 (which we now require) to produce dummy
 # targets for headers so that removed headers don't break the build.
@@ -633,7 +638,7 @@
 +cflags	:= $(default_cflags)
 endif	# $(+cflags) == ""
 
-+cflags += $(cflags-cpu) $(+gccwarn) $(+merge-constants)
++cflags += $(cflags-cpu) $(+gccwarn) $(+merge-constants) $(+math-flags)
 +gcc-nowarn := -w
 
 # Don't duplicate options if we inherited variables from the parent.

Modified: fsf/trunk/libc/NEWS
==============================================================================
--- fsf/trunk/libc/NEWS (original)
+++ fsf/trunk/libc/NEWS Mon May  7 00:01:37 2012
@@ -16,14 +16,15 @@
   6911, 6959, 7064, 9739, 9902, 10110, 10135, 10140, 10153, 10210, 10254,
   10346, 10545, 10716, 11174, 11322, 11365, 11451, 11494, 11521, 11959,
   12047, 12340, 13058, 13525, 13526, 13527, 13528, 13529, 13530, 13531,
-  13532, 13533, 13547, 13551, 13552, 13553, 13555, 13559, 13566, 13583,
-  13592, 13618, 13637, 13656, 13658, 13673, 13691, 13695, 13704, 13705,
-  13706, 13726, 13738, 13739, 13758, 13760, 13761, 13775, 13786, 13787,
-  13792, 13806, 13824, 13840, 13841, 13844, 13846, 13851, 13852, 13854,
-  13871, 13872, 13873, 13879, 13883, 13886, 13892, 13895, 13908, 13910,
-  13911, 13912, 13913, 13915, 13916, 13917, 13918, 13919, 13920, 13921,
-  13922, 13924, 13926, 13927, 13928, 13938, 13941, 13942, 13963, 13967,
-  13970, 13973, 14027, 14033, 14034, 14040, 14049, 14055
+  13532, 13533, 13547, 13551, 13552, 13553, 13555, 13559, 13563, 13566,
+  13583, 13592, 13618, 13637, 13656, 13658, 13673, 13691, 13695, 13704,
+  13705, 13706, 13726, 13738, 13739, 13758, 13760, 13761, 13775, 13786,
+  13787, 13792, 13806, 13824, 13840, 13841, 13844, 13846, 13851, 13852,
+  13854, 13871, 13872, 13873, 13879, 13883, 13884, 13886, 13892, 13895,
+  13908, 13910, 13911, 13912, 13913, 13914, 13915, 13916, 13917, 13918,
+  13919, 13920, 13921, 13922, 13924, 13926, 13927, 13928, 13938, 13941,
+  13942, 13963, 13967, 13970, 13973, 14027, 14033, 14034, 14040, 14049,
+  14055, 14064
 
 * ISO C11 support:
 

Modified: fsf/trunk/libc/math/libm-test.inc
==============================================================================
--- fsf/trunk/libc/math/libm-test.inc (original)
+++ fsf/trunk/libc/math/libm-test.inc Mon May  7 00:01:37 2012
@@ -503,8 +503,9 @@
 	  ulp = diff / FUNC(ldexp) (1.0, FUNC(ilogb) (expected) - MANT_DIG);
 	  break;
 	case FP_SUBNORMAL:
-	  ulp = (FUNC(ldexp) (diff, MANT_DIG)
-		 / FUNC(ldexp) (1.0, FUNC(ilogb) (expected)));
+	  /* 1ulp for a subnormal value, shifted by MANT_DIG, is the
+	     least normal value.  */
+	  ulp = (FUNC(ldexp) (diff, MANT_DIG) / min_value);
 	  break;
 	default:
 	  /* It should never happen. */
@@ -3463,15 +3464,20 @@
   TEST_f_f (exp10, nan_value, nan_value);
   TEST_f_f (exp10, 3, 1000);
   TEST_f_f (exp10, -1, 0.1L);
-#ifdef TEST_FLOAT /* Bug 13884: inaccurate results except for float.  */
   TEST_f_f (exp10, 36, 1.0e36L);
+  TEST_f_f (exp10, -36, 1.0e-36L);
+#ifndef TEST_FLOAT
+  TEST_f_f (exp10, 305, 1.0e305L);
+  TEST_f_f (exp10, -305, 1.0e-305L);
+#endif
+#if defined TEST_LDOUBLE && LDBL_MAX_10_EXP >= 4932
+  TEST_f_f (exp10, 4932, 1.0e4932L);
+  TEST_f_f (exp10, -4932, 1.0e-4932L);
 #endif
   TEST_f_f (exp10, 1e6, plus_infty, OVERFLOW_EXCEPTION);
   TEST_f_f (exp10, -1e6, 0);
-#ifndef TEST_LDOUBLE /* Bug 13914: spurious exceptions.  */
   TEST_f_f (exp10, max_value, plus_infty, OVERFLOW_EXCEPTION);
   TEST_f_f (exp10, -max_value, 0);
-#endif
   TEST_f_f (exp10, 0.75L, 5.62341325190349080394951039776481231L);
 
   END (exp10);

Modified: fsf/trunk/libc/sysdeps/i386/fpu/e_exp10l.S
==============================================================================
--- fsf/trunk/libc/sysdeps/i386/fpu/e_exp10l.S (original)
+++ fsf/trunk/libc/sysdeps/i386/fpu/e_exp10l.S Mon May  7 00:01:37 2012
@@ -1,39 +1,2 @@
-/*
- * Written by Ulrich Drepper <drepper@xxxxxxxxxx>.
- */
-
-#include <machine/asm.h>
-
-/* 10^x = 2^(x * log2l(10)) */
-ENTRY(__ieee754_exp10l)
-	fldt	4(%esp)
-/* I added the following ugly construct because expl(+-Inf) resulted
-   in NaN.  The ugliness results from the bright minds at Intel.
-   For the i686 the code can be written better.
-   -- drepper@xxxxxxxxxxx  */
-	fxam				/* Is NaN or +-Inf?  */
-	fstsw	%ax
-	movb	$0x45, %dh
-	andb	%ah, %dh
-	cmpb	$0x05, %dh
-	je	1f			/* Is +-Inf, jump.  */
-	fldl2t
-	fmulp				/* x * log2(10) */
-	fld	%st
-	frndint				/* int(x * log2(10)) */
-	fsubr	%st,%st(1)		/* fract(x * log2(10)) */
-	fxch
-	f2xm1				/* 2^(fract(x * log2(10))) - 1 */
-	fld1
-	faddp				/* 2^(fract(x * log2(10))) */
-	fscale				/* e^x */
-	fstp	%st(1)
-	ret
-
-1:	testl	$0x200, %eax		/* Test sign.  */
-	jz	2f			/* If positive, jump.  */
-	fstp	%st
-	fldz				/* Set result to 0.  */
-2:	ret
-END (__ieee754_exp10l)
-strong_alias (__ieee754_exp10l, __exp10l_finite)
+#define USE_AS_EXP10L
+#include <e_expl.S>

Modified: fsf/trunk/libc/sysdeps/i386/fpu/e_expl.S
==============================================================================
--- fsf/trunk/libc/sysdeps/i386/fpu/e_expl.S (original)
+++ fsf/trunk/libc/sysdeps/i386/fpu/e_expl.S Mon May  7 00:01:37 2012
@@ -24,9 +24,29 @@
 
 #include <machine/asm.h>
 
+#ifdef USE_AS_EXP10L
+# define IEEE754_EXPL __ieee754_exp10l
+# define EXPL_FINITE __exp10l_finite
+# define FLDLOG fldl2t
+#else
+# define IEEE754_EXPL __ieee754_expl
+# define EXPL_FINITE __expl_finite
+# define FLDLOG fldl2e
+#endif
+
 	.section .rodata.cst16,"aM",@progbits,16
 
 	.p2align 4
+#ifdef USE_AS_EXP10L
+	ASM_TYPE_DIRECTIVE(c0,@object)
+c0:	.byte 0, 0, 0, 0, 0, 0, 0x9a, 0xd4, 0x00, 0x40
+	.byte 0, 0, 0, 0, 0, 0
+	ASM_SIZE_DIRECTIVE(c0)
+	ASM_TYPE_DIRECTIVE(c1,@object)
+c1:	.byte 0x58, 0x92, 0xfc, 0x15, 0x37, 0x9a, 0x97, 0xf0, 0xef, 0x3f
+	.byte 0, 0, 0, 0, 0, 0
+	ASM_SIZE_DIRECTIVE(c1)
+#else
 	ASM_TYPE_DIRECTIVE(c0,@object)
 c0:	.byte 0, 0, 0, 0, 0, 0, 0xaa, 0xb8, 0xff, 0x3f
 	.byte 0, 0, 0, 0, 0, 0
@@ -35,6 +55,7 @@
 c1:	.byte 0x20, 0xfa, 0xee, 0xc2, 0x5f, 0x70, 0xa5, 0xec, 0xed, 0x3f
 	.byte 0, 0, 0, 0, 0, 0
 	ASM_SIZE_DIRECTIVE(c1)
+#endif
 	ASM_TYPE_DIRECTIVE(csat,@object)
 csat:	.byte 0, 0, 0, 0, 0, 0, 0, 0x80, 0x0e, 0x40
 	.byte 0, 0, 0, 0, 0, 0
@@ -47,7 +68,7 @@
 #endif
 
 	.text
-ENTRY(__ieee754_expl)
+ENTRY(IEEE754_EXPL)
 	fldt	4(%esp)
 /* I added the following ugly construct because expl(+-Inf) resulted
    in NaN.  The ugliness results from the bright minds at Intel.
@@ -75,8 +96,8 @@
 	andb	$2, %ah
 	jz	3f
 	fchs
-3:	fldl2e			/* 1  log2(e)         */
-	fmul	%st(1), %st	/* 1  x log2(e)       */
+3:	FLDLOG			/* 1  log2(base)      */
+	fmul	%st(1), %st	/* 1  x log2(base)    */
 	frndint			/* 1  i               */
 	fld	%st(1)		/* 2  x               */
 	frndint			/* 2  xi              */
@@ -92,11 +113,11 @@
 	fldt	MO(c1)		/* 4                  */
 	fmul	%st(4), %st	/* 4  c1 * x          */
 	faddp	%st, %st(1)	/* 3  f = f + c1 * x  */
-	f2xm1			/* 3 2^(fract(x * log2(e))) - 1 */
+	f2xm1			/* 3 2^(fract(x * log2(base))) - 1 */
 	fld1			/* 4 1.0              */
-	faddp			/* 3 2^(fract(x * log2(e))) */
+	faddp			/* 3 2^(fract(x * log2(base))) */
 	fstp	%st(1)		/* 2  */
-	fscale			/* 2 scale factor is st(1); e^x */
+	fscale			/* 2 scale factor is st(1); base^x */
 	fstp	%st(1)		/* 1  */
 	fstp	%st(1)		/* 0  */
 	jmp	2f
@@ -105,5 +126,5 @@
 	fstp	%st
 	fldz			/* Set result to 0.  */
 2:	ret
-END(__ieee754_expl)
-strong_alias (__ieee754_expl, __expl_finite)
+END(IEEE754_EXPL)
+strong_alias (IEEE754_EXPL, EXPL_FINITE)

Added: fsf/trunk/libc/sysdeps/ieee754/dbl-64/e_exp10.c
==============================================================================
--- fsf/trunk/libc/sysdeps/ieee754/dbl-64/e_exp10.c (added)
+++ fsf/trunk/libc/sysdeps/ieee754/dbl-64/e_exp10.c Mon May  7 00:01:37 2012
@@ -1,0 +1,48 @@
+/* Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+#include <math_private.h>
+#include <float.h>
+
+static const double log10_high = 0x2.4d7637p0;
+static const double log10_low = 0x7.6aaa2b05ba95cp-28;
+
+double
+__ieee754_exp10 (double arg)
+{
+  int32_t lx;
+  double arg_high, arg_low;
+  double exp_high, exp_low;
+
+  if (!__finite (arg))
+    return __ieee754_exp (arg);
+  if (arg < DBL_MIN_10_EXP - DBL_DIG - 10)
+    return DBL_MIN * DBL_MIN;
+  else if (arg > DBL_MAX_10_EXP + 1)
+    return DBL_MAX * DBL_MAX;
+
+  GET_LOW_WORD (lx, arg);
+  lx &= 0xf8000000;
+  arg_high = arg;
+  SET_LOW_WORD (arg_high, lx);
+  arg_low = arg - arg_high;
+  exp_high = arg_high * log10_high;
+  exp_low = arg_high * log10_low + arg_low * M_LN10;
+  return __ieee754_exp (exp_high) * __ieee754_exp (exp_low);
+}
+strong_alias (__ieee754_exp10, __exp10_finite)

Added: fsf/trunk/libc/sysdeps/ieee754/ldbl-128/e_exp10l.c
==============================================================================
--- fsf/trunk/libc/sysdeps/ieee754/ldbl-128/e_exp10l.c (added)
+++ fsf/trunk/libc/sysdeps/ieee754/ldbl-128/e_exp10l.c Mon May  7 00:01:37 2012
@@ -1,0 +1,47 @@
+/* Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+#include <math_private.h>
+#include <float.h>
+
+static const long double log10_high = 0x2.4d763776aaa2bp0L;
+static const long double log10_low = 0x5.ba95b58ae0b4c28a38a3fb3e7698p-60L;
+
+long double
+__ieee754_exp10l (long double arg)
+{
+  ieee854_long_double_shape_type u;
+  long double arg_high, arg_low;
+  long double exp_high, exp_low;
+
+  if (!__finitel (arg))
+    return __ieee754_expl (arg);
+  if (arg < LDBL_MIN_10_EXP - LDBL_DIG - 10)
+    return LDBL_MIN * LDBL_MIN;
+  else if (arg > LDBL_MAX_10_EXP + 1)
+    return LDBL_MAX * LDBL_MAX;
+
+  u.value = arg;
+  u.parts64.lsw &= 0xfe00000000000000LL;
+  arg_high = u.value;
+  arg_low = arg - arg_high;
+  exp_high = arg_high * log10_high;
+  exp_low = arg_high * log10_low + arg_low * M_LN10l;
+  return __ieee754_expl (exp_high) * __ieee754_expl (exp_low);
+}
+strong_alias (__ieee754_exp10l, __exp10l_finite)

Added: fsf/trunk/libc/sysdeps/ieee754/ldbl-128ibm/e_exp10l.c
==============================================================================
--- fsf/trunk/libc/sysdeps/ieee754/ldbl-128ibm/e_exp10l.c (added)
+++ fsf/trunk/libc/sysdeps/ieee754/ldbl-128ibm/e_exp10l.c Mon May  7 00:01:37 2012
@@ -1,0 +1,46 @@
+/* Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+#include <math_private.h>
+#include <float.h>
+
+static const long double log10_high = 0x2.4d763776aaa2cp0L;
+static const long double log10_low = -0xf.a456a4a751f4b3d75c75c04c18p-56L;
+
+long double
+__ieee754_exp10l (long double arg)
+{
+  union ibm_extended_long_double u;
+  long double arg_high, arg_low;
+  long double exp_high, exp_low;
+
+  if (!__finitel (arg))
+    return __ieee754_expl (arg);
+  if (arg < LDBL_MIN_10_EXP - LDBL_DIG - 10)
+    return LDBL_MIN * LDBL_MIN;
+  else if (arg > LDBL_MAX_10_EXP + 1)
+    return LDBL_MAX * LDBL_MAX;
+
+  u.d = arg;
+  arg_high = u.dd[0];
+  arg_low = u.dd[1];
+  exp_high = arg_high * log10_high;
+  exp_low = arg_high * log10_low + arg_low * M_LN10l;
+  return __ieee754_expl (exp_high) * __ieee754_expl (exp_low);
+}
+strong_alias (__ieee754_exp10l, __exp10l_finite)

Added: fsf/trunk/libc/sysdeps/x86_64/fpu/e_exp10l.S
==============================================================================
--- fsf/trunk/libc/sysdeps/x86_64/fpu/e_exp10l.S (added)
+++ fsf/trunk/libc/sysdeps/x86_64/fpu/e_exp10l.S Mon May  7 00:01:37 2012
@@ -1,0 +1,2 @@
+#define USE_AS_EXP10L
+#include <e_expl.S>

Modified: fsf/trunk/libc/sysdeps/x86_64/fpu/e_expl.S
==============================================================================
--- fsf/trunk/libc/sysdeps/x86_64/fpu/e_expl.S (original)
+++ fsf/trunk/libc/sysdeps/x86_64/fpu/e_expl.S Mon May  7 00:01:37 2012
@@ -24,9 +24,29 @@
 
 #include <machine/asm.h>
 
+#ifdef USE_AS_EXP10L
+# define IEEE754_EXPL __ieee754_exp10l
+# define EXPL_FINITE __exp10l_finite
+# define FLDLOG fldl2t
+#else
+# define IEEE754_EXPL __ieee754_expl
+# define EXPL_FINITE __expl_finite
+# define FLDLOG fldl2e
+#endif
+
 	.section .rodata.cst16,"aM",@progbits,16
 
 	.p2align 4
+#ifdef USE_AS_EXP10L
+	ASM_TYPE_DIRECTIVE(c0,@object)
+c0:	.byte 0, 0, 0, 0, 0, 0, 0x9a, 0xd4, 0x00, 0x40
+	.byte 0, 0, 0, 0, 0, 0
+	ASM_SIZE_DIRECTIVE(c0)
+	ASM_TYPE_DIRECTIVE(c1,@object)
+c1:	.byte 0x58, 0x92, 0xfc, 0x15, 0x37, 0x9a, 0x97, 0xf0, 0xef, 0x3f
+	.byte 0, 0, 0, 0, 0, 0
+	ASM_SIZE_DIRECTIVE(c1)
+#else
 	ASM_TYPE_DIRECTIVE(c0,@object)
 c0:	.byte 0, 0, 0, 0, 0, 0, 0xaa, 0xb8, 0xff, 0x3f
 	.byte 0, 0, 0, 0, 0, 0
@@ -35,6 +55,7 @@
 c1:	.byte 0x20, 0xfa, 0xee, 0xc2, 0x5f, 0x70, 0xa5, 0xec, 0xed, 0x3f
 	.byte 0, 0, 0, 0, 0, 0
 	ASM_SIZE_DIRECTIVE(c1)
+#endif
 	ASM_TYPE_DIRECTIVE(csat,@object)
 csat:	.byte 0, 0, 0, 0, 0, 0, 0, 0x80, 0x0e, 0x40
 	.byte 0, 0, 0, 0, 0, 0
@@ -47,7 +68,7 @@
 #endif
 
 	.text
-ENTRY(__ieee754_expl)
+ENTRY(IEEE754_EXPL)
 	fldt	8(%rsp)
 /* I added the following ugly construct because expl(+-Inf) resulted
    in NaN.  The ugliness results from the bright minds at Intel.
@@ -72,8 +93,8 @@
 	andb	$2, %ah
 	jz	3f
 	fchs
-3:	fldl2e			/* 1  log2(e)         */
-	fmul	%st(1), %st	/* 1  x log2(e)       */
+3:	FLDLOG			/* 1  log2(base)      */
+	fmul	%st(1), %st	/* 1  x log2(base)    */
 	frndint			/* 1  i               */
 	fld	%st(1)		/* 2  x               */
 	frndint			/* 2  xi              */
@@ -89,11 +110,11 @@
 	fldt	MO(c1)		/* 4                  */
 	fmul	%st(4), %st	/* 4  c1 * x          */
 	faddp	%st, %st(1)	/* 3  f = f + c1 * x  */
-	f2xm1			/* 3 2^(fract(x * log2(e))) - 1 */
+	f2xm1			/* 3 2^(fract(x * log2(base))) - 1 */
 	fld1			/* 4 1.0              */
-	faddp			/* 3 2^(fract(x * log2(e))) */
+	faddp			/* 3 2^(fract(x * log2(base))) */
 	fstp	%st(1)		/* 2  */
-	fscale			/* 2 scale factor is st(1); e^x */
+	fscale			/* 2 scale factor is st(1); base^x */
 	fstp	%st(1)		/* 1  */
 	fstp	%st(1)		/* 0  */
 	jmp	2f
@@ -102,5 +123,5 @@
 	fstp	%st
 	fldz			/* Set result to 0.  */
 2:	ret
-END(__ieee754_expl)
-strong_alias (__ieee754_expl, __expl_finite)
+END(IEEE754_EXPL)
+strong_alias (IEEE754_EXPL, EXPL_FINITE)

Modified: fsf/trunk/libc/sysdeps/x86_64/fpu/libm-test-ulps
==============================================================================
--- fsf/trunk/libc/sysdeps/x86_64/fpu/libm-test-ulps (original)
+++ fsf/trunk/libc/sysdeps/x86_64/fpu/libm-test-ulps Mon May  7 00:01:37 2012
@@ -7,15 +7,21 @@
 
 # acos_downward
 Test "acos_downward (-0) == pi/2":
+float: 1
+ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "acos_downward (-0.5) == M_PI_6l*4.0":
 double: 1
 idouble: 1
 Test "acos_downward (-1) == pi":
+float: 1
+ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "acos_downward (0) == pi/2":
+float: 1
+ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "acos_downward (0.5) == M_PI_6l*2.0":
@@ -26,15 +32,21 @@
 
 # acos_towardzero
 Test "acos_towardzero (-0) == pi/2":
+float: 1
+ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "acos_towardzero (-0.5) == M_PI_6l*4.0":
 double: 1
 idouble: 1
 Test "acos_towardzero (-1) == pi":
+float: 1
+ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "acos_towardzero (0) == pi/2":
+float: 1
+ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "acos_towardzero (0.5) == M_PI_6l*2.0":
@@ -1275,6 +1287,12 @@
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "exp10 (-305) == 1.0e-305":
+double: 1
+idouble: 1
+Test "exp10 (-36) == 1.0e-36":
+double: 1
+idouble: 1
 Test "exp10 (0.75) == 5.62341325190349080394951039776481231":
 double: 1
 float: 1
@@ -1289,6 +1307,9 @@
 ifloat: 2
 ildouble: 8
 ldouble: 8
+Test "exp10 (36) == 1.0e36":
+double: 1
+idouble: 1
 
 # exp_downward
 Test "exp_downward (1) == e":

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