+2017-06-23 Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
+
+ * sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
+ (libm-sysdep_routines): Add s_llroundf-ppc64.
+ * sysdeps/powerpc/powerpc64/power5+fpu/s_llround.S
+ (__llroundf): Define as strong alias of __llround.
+ (llroundf): Define as weak alias of __llround.
+ (__lroundf): Define as strong alias of __llround.
+ (lroundf): Define as weak alias of __llround.
+ * sysdeps/powerpc/powerpc64/power6x/fpu/s_llround.S: Likewise.
+ * sysdeps/powerpc/powerpc64/power8/fpu/s_llround.S: Likewise.
+ * sysdeps/powerpc/powerpc64/fpu/multiarch/s_llroundf-ppc64.S: New file.
+ * sysdeps/powerpc/powerpc64/fpu/multiarch/s_llroundf.c: Likewise.
+ * sysdeps/powerpc/powerpc64/power5+/fpu/s_llroundf.S: Likewise.
+ * sysdeps/powerpc/powerpc64/power6x/fpu/s_llroundf.S: Likewise.
+ * sysdeps/powerpc/powerpc64/power8/fpu/s_llroundf.S: Likewise.
+
2017-06-22 Joseph Myers <joseph@codesourcery.com>
* sysdeps/ieee754/ldbl-96/bits/iscanonical.h
s_modff-power5+ s_modff-ppc64 e_hypot-ppc64 \
e_hypot-power7 e_hypotf-ppc64 e_hypotf-power7 \
s_isnan-power8 s_isinf-power8 s_finite-power8 \
- s_llrint-power8 s_llround-power8 \
+ s_llrint-power8 s_llround-power8 s_llroundf-ppc64 \
e_expf-power8 e_expf-ppc64 \
s_sinf-ppc64 s_sinf-power8 \
s_cosf-ppc64 s_cosf-power8
--- /dev/null
+/* llroundf(). PowerPC64 default version.
+ Copyright (C) 2017 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 <sysdep.h>
+#include <math_ldbl_opt.h>
+
+#undef weak_alias
+#define weak_alias(a,b)
+#undef strong_alias
+#define strong_alias(a,b)
+#undef compat_symbol
+#define compat_symbol(a,b,c,d)
+
+#define __llroundf __llroundf_ppc64
+#define __lroundf __lroundf_ppc64
+
+#include <sysdeps/powerpc/powerpc64/fpu/s_llroundf.S>
--- /dev/null
+/* Multiple versions of llroundf.
+ Copyright (C) 2017 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/>. */
+/* Redefine lroundf/__lroundf so that the compiler won't complain about
+ the type mismatch with the IFUNC selector in strong_alias below. */
+#define lroundf __hidden_lroundf
+#define __lroundf __hidden___lroundf
+
+#include <math.h>
+#undef lroundf
+#undef __lroundf
+#include "init-arch.h"
+
+extern __typeof (__llroundf) __llroundf_ppc64 attribute_hidden;
+extern __typeof (__llroundf) __llround_power6x attribute_hidden;
+extern __typeof (__llroundf) __llround_power8 attribute_hidden;
+
+/* The ppc64 ABI passes float and double parameters in 64bit floating point
+ registers (at least up to a point) as IEEE binary64 format, so effectively
+ of "double" type. Both l[l]round and l[l]roundf return long type. So these
+ functions have identical signatures and functionality, and can use a
+ single implementation. */
+libc_ifunc (__llroundf,
+ (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+ ? __llround_power8 :
+ (hwcap & PPC_FEATURE_POWER6_EXT)
+ ? __llround_power6x
+ : __llroundf_ppc64);
+
+weak_alias (__llroundf, llroundf)
+strong_alias (__llroundf, __lroundf)
+weak_alias (__lroundf, lroundf)
strong_alias (__llround, __lround)
weak_alias (__llround, llround)
weak_alias (__lround, lround)
+/* The double version also works for single-precision as both float and
+ double parameters are passed in 64bit FPRs and both versions are expected
+ to return [long] long type. */
+strong_alias (__llround, __llroundf)
+weak_alias (__llround, llroundf)
+strong_alias (__lround, __lroundf)
+weak_alias (__lround, lroundf)
#ifdef NO_LONG_DOUBLE
weak_alias (__llround, llroundl)
--- /dev/null
+/* __lroundf is in s_llround.S. */
strong_alias (__llround, __lround)
weak_alias (__llround, llround)
weak_alias (__lround, lround)
+/* The double version also works for single-precision as both float and
+ double parameters are passed in 64bit FPRs and both versions are expected
+ to return [long] long type. */
+strong_alias (__llround, __llroundf)
+weak_alias (__llround, llroundf)
+strong_alias (__lround, __lroundf)
+weak_alias (__lround, lroundf)
#ifdef NO_LONG_DOUBLE
weak_alias (__llround, llroundl)
--- /dev/null
+/* __lroundf is in s_llround.S. */
strong_alias (__llround, __lround)
weak_alias (__llround, llround)
weak_alias (__lround, lround)
+/* The double version also works for single-precision as both float and
+ double parameters are passed in 64bit FPRs and both versions are expected
+ to return [long] long type. */
+strong_alias (__llround, __llroundf)
+weak_alias (__llround, llroundf)
+strong_alias (__lround, __lroundf)
+weak_alias (__lround, lroundf)
#ifdef NO_LONG_DOUBLE
weak_alias (__llround, llroundl)
--- /dev/null
+/* __lroundf is in s_llround.S. */
projects / thirdparty / glibc.git / commitdiff
