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[commits] r13884 - in /fsf/trunk/libc: ChangeLog NEWS math/Makefile math/test-powl.c sysdeps/x86_64/fpu/e_powl.S
- To: commits@xxxxxxxxxx
- Subject: [commits] r13884 - in /fsf/trunk/libc: ChangeLog NEWS math/Makefile math/test-powl.c sysdeps/x86_64/fpu/e_powl.S
- From: eglibc@xxxxxxxxxx
- Date: Thu, 19 May 2011 07:03:16 -0000
Author: eglibc
Date: Thu May 19 00:03:14 2011
New Revision: 13884
Log:
Import glibc-mainline for 2011-05-19
Added:
fsf/trunk/libc/math/test-powl.c
Modified:
fsf/trunk/libc/ChangeLog
fsf/trunk/libc/NEWS
fsf/trunk/libc/math/Makefile
fsf/trunk/libc/sysdeps/x86_64/fpu/e_powl.S
Modified: fsf/trunk/libc/ChangeLog
==============================================================================
--- fsf/trunk/libc/ChangeLog (original)
+++ fsf/trunk/libc/ChangeLog Thu May 19 00:03:14 2011
@@ -1,3 +1,11 @@
+2011-05-17 H.J. Lu <hongjiu.lu@xxxxxxxxx>
+
+ [BZ #12775]
+ * sysdeps/x86_64/fpu/e_powl.S: Fix a typo.
+ * math/Makefile (tests): Add test-powl.
+ (CFLAGS-test-powl.c): Define.
+ * math/test-powl.c: New file.
+
2011-05-16 H.J. Lu <hongjiu.lu@xxxxxxxxx>
* fileops.c (_IO_new_file_fopen): Get fd from _IO_fileno.
Modified: fsf/trunk/libc/NEWS
==============================================================================
--- fsf/trunk/libc/NEWS (original)
+++ fsf/trunk/libc/NEWS Thu May 19 00:03:14 2011
@@ -1,4 +1,4 @@
-GNU C Library NEWS -- history of user-visible changes. 2011-5-17
+GNU C Library NEWS -- history of user-visible changes. 2011-5-18
Copyright (C) 1992-2009, 2010, 2011 Free Software Foundation, Inc.
See the end for copying conditions.
@@ -16,7 +16,7 @@
12469, 12489, 12509, 12510, 12511, 12518, 12527, 12541, 12545, 12551,
12582, 12583, 12587, 12597, 12601, 12611, 12625, 12626, 12631, 12650,
12653, 12655, 12660, 12681, 12685, 12711, 12713, 12714, 12717, 12723,
- 12724, 12734, 12738, 12746, 12766
+ 12724, 12734, 12738, 12746, 12766, 12775
* The RPC implementation in libc is obsoleted. Old programs keep working
but new programs cannot be linked with the routines in libc anymore.
Modified: fsf/trunk/libc/math/Makefile
==============================================================================
--- fsf/trunk/libc/math/Makefile (original)
+++ fsf/trunk/libc/math/Makefile Thu May 19 00:03:14 2011
@@ -90,7 +90,8 @@
# Rules for the test suite.
tests = test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \
test-misc test-fpucw tst-definitions test-tgmath test-tgmath-ret \
- bug-nextafter bug-nexttoward bug-tgmath1 test-tgmath-int test-tgmath2
+ bug-nextafter bug-nexttoward bug-tgmath1 test-tgmath-int \
+ test-tgmath2 test-powl
# We do the `long double' tests only if this data type is available and
# distinct from `double'.
test-longdouble-yes = test-ldouble test-ildoubl
@@ -131,6 +132,7 @@
CFLAGS-test-tgmath.c = -fno-builtin
CFLAGS-test-tgmath2.c = -fno-builtin
CFLAGS-test-tgmath-ret.c = -fno-builtin
+CFLAGS-test-powl.c = -fno-builtin
CPPFLAGS-test-ifloat.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \
-DTEST_FAST_MATH -fno-builtin
CPPFLAGS-test-idouble.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \
Added: fsf/trunk/libc/math/test-powl.c
==============================================================================
--- fsf/trunk/libc/math/test-powl.c (added)
+++ fsf/trunk/libc/math/test-powl.c Thu May 19 00:03:14 2011
@@ -1,0 +1,51 @@
+/* Test for powl
+ Copyright (C) 2011 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <stdio.h>
+#include <math.h>
+#include <float.h>
+#include <ieee754.h>
+
+int
+main (void)
+{
+ int result = 0;
+
+#ifndef NO_LONG_DOUBLE
+# if LDBL_MANT_DIG == 64
+ {
+ long double x = 1e-20;
+ union ieee854_long_double u;
+ u.ieee.mantissa0 = 1;
+ u.ieee.mantissa1 = 1;
+ u.ieee.exponent = 0;
+ u.ieee.negative = 0;
+ (void) powl (0.2, u.d);
+ x = powl (x, 1.5);
+ if (fabsl (x - 1e-30) > 1e-10)
+ {
+ printf ("powl (1e-20, 1.5): wrong result: %Lg\n", x);
+ result = 1;
+ }
+ }
+# endif
+#endif
+
+ return result;
+}
Modified: fsf/trunk/libc/sysdeps/x86_64/fpu/e_powl.S
==============================================================================
--- fsf/trunk/libc/sysdeps/x86_64/fpu/e_powl.S (original)
+++ fsf/trunk/libc/sysdeps/x86_64/fpu/e_powl.S Thu May 19 00:03:14 2011
@@ -1,5 +1,5 @@
/* ix87 specific implementation of pow function.
- Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2007
+ Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2007, 2011
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@xxxxxxxxxx>, 1996.
@@ -154,7 +154,7 @@
fucompp // 1.0 : x : y
fnstsw
fxch // x : 1.0 : y
- test $4500,%eax
+ test $0x4500,%eax
jz 7f
fsub %st(1) // x-1 : 1.0 : y
fyl2xp1 // log2(x) : y