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-rw-r--r--ChangeLog12
-rw-r--r--benchtests/Makefile2
-rw-r--r--benchtests/bench-modf.c39
-rw-r--r--sysdeps/powerpc/power5/fpu/s_modf.c58
-rw-r--r--sysdeps/powerpc/power5/fpu/s_modff.c46
-rw-r--r--sysdeps/powerpc/powerpc32/power5/Implies2
-rw-r--r--sysdeps/powerpc/powerpc64/power5/Implies2
7 files changed, 160 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 164026b..9d283f4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2013-04-23 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
+
+ * sysdeps/powerpc/power5/fpu/s_modf.c: New file: modf optimization for
+ POWER.
+ * sysdeps/powerpc/power5/fpu/s_modff.c: New file: modff optimization
+ for POWER.
+ * sysdeps/powerpc/powerpc64/power5/Implies: Add powerpc/power5 and
+ powerpc/power5/fpu folders.
+ * sysdeps/powerpc/powerpc32/power5/Implies: Likewise.
+ * benchtests/Makefile: Add modf testcase.
+ * benchtests/bench-modf.c: New file: Benchmark test for mo
+
2013-04-23 Siddhesh Poyarekar <siddhesh@redhat.com>
[BZ #14888]
diff --git a/benchtests/Makefile b/benchtests/Makefile
index c61fd87..110c5d8 100644
--- a/benchtests/Makefile
+++ b/benchtests/Makefile
@@ -45,7 +45,7 @@
# See pow-inputs for an example.
subdir := benchtests
-bench := exp pow rint sin cos tan atan \
+bench := exp pow rint sin cos tan atan modf \
slowexp slowpow slowsin slowcos slowtan slowatan
# exp function fast path
diff --git a/benchtests/bench-modf.c b/benchtests/bench-modf.c
new file mode 100644
index 0000000..975a29f
--- /dev/null
+++ b/benchtests/bench-modf.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 2013 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/>. */
+
+extern double modf (double, double *);
+
+#define CALL_BENCH_FUNC(j, i) modf ( in[j].arg0, &i);
+
+struct args
+{
+ double arg0;
+} in[] =
+{
+ { 42.42 },
+ { -42.42 }
+};
+
+#define NUM_SAMPLES (sizeof (in) / sizeof (struct args))
+
+static volatile double ret = 0.0;
+#define BENCH_FUNC(j) ({double iptr; ret = CALL_BENCH_FUNC (j, iptr);})
+
+#define ITER 250000000
+#define FUNCNAME "modf"
+
+#include "bench-skeleton.c"
diff --git a/sysdeps/powerpc/power5/fpu/s_modf.c b/sysdeps/powerpc/power5/fpu/s_modf.c
new file mode 100644
index 0000000..b45bf66
--- /dev/null
+++ b/sysdeps/powerpc/power5/fpu/s_modf.c
@@ -0,0 +1,58 @@
+/* Copyright (C) 2013 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <math.h>
+#include <math_private.h>
+#include <math_ldbl_opt.h>
+
+double
+__modf (double x, double *iptr)
+{
+ if (__builtin_isinf (x))
+ {
+ *iptr = x;
+ return __copysign (0.0, x);
+ }
+ else if (__builtin_isnan (x))
+ {
+ *iptr = NAN;
+ return NAN;
+ }
+
+ if (x >= 0.0)
+ {
+ *iptr = __floor (x);
+ return (x - *iptr);
+ }
+ else
+ {
+ *iptr = __ceil (x);
+ return (x - *iptr);
+ }
+}
+weak_alias (__modf, modf)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__modf, __modfl)
+weak_alias (__modf, modfl)
+#endif
+#ifdef IS_IN_libm
+# if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
+compat_symbol (libm, __modf, modfl, GLIBC_2_0);
+# endif
+#elif LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
+compat_symbol (libc, __modf, modfl, GLIBC_2_0);
+#endif
diff --git a/sysdeps/powerpc/power5/fpu/s_modff.c b/sysdeps/powerpc/power5/fpu/s_modff.c
new file mode 100644
index 0000000..55759cd
--- /dev/null
+++ b/sysdeps/powerpc/power5/fpu/s_modff.c
@@ -0,0 +1,46 @@
+/* Copyright (C) 2013 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <math.h>
+#include <math_private.h>
+
+float
+__modff (float x, float *iptr)
+{
+ if (__builtin_isinff (x))
+ {
+ *iptr = x;
+ return __copysignf (0.0, x);
+ }
+ else if (__builtin_isnanf (x))
+ {
+ *iptr = NAN;
+ return NAN;
+ }
+
+ if (x >= 0.0)
+ {
+ *iptr = __floorf (x);
+ return (x - *iptr);
+ }
+ else
+ {
+ *iptr = __ceilf (x);
+ return (x - *iptr);
+ }
+}
+weak_alias (__modff, modff)
diff --git a/sysdeps/powerpc/powerpc32/power5/Implies b/sysdeps/powerpc/powerpc32/power5/Implies
index 17139bf..17949d4 100644
--- a/sysdeps/powerpc/powerpc32/power5/Implies
+++ b/sysdeps/powerpc/powerpc32/power5/Implies
@@ -1,2 +1,4 @@
+powerpc/power5/fpu
+powerpc/power5
powerpc/powerpc32/power4/fpu
powerpc/powerpc32/power4
diff --git a/sysdeps/powerpc/powerpc64/power5/Implies b/sysdeps/powerpc/powerpc64/power5/Implies
index bedb20b..b36831e 100644
--- a/sysdeps/powerpc/powerpc64/power5/Implies
+++ b/sysdeps/powerpc/powerpc64/power5/Implies
@@ -1,2 +1,4 @@
+powerpc/power5/fpu
+powerpc/power5
powerpc/powerpc64/power4/fpu
powerpc/powerpc64/power4