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[PATCH 14/18] PowerPC: multiarch lrint/lrintf for PowerPC32

From: Adhemerval Zanella <azanella at linux dot vnet dot ibm dot com>
To: "GNU C. Library" <libc-alpha at sourceware dot org>
Date: Tue, 19 Nov 2013 14:21:32 -0200
Subject: [PATCH 14/18] PowerPC: multiarch lrint/lrintf for PowerPC32
Authentication-results: sourceware.org; auth=none
References: <528B815A dot 4030004 at linux dot vnet dot ibm dot com>
2013-11-19  Adhemerval Zanella  <azanella@linux.vnet.ibm.com>

	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile: Add lrint
	and lrintf multiarch implementations.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrint-power6x.S:
	New file.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrint-ppc32.S:
	New file.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrint.c: New file:
	multiarch lrint for PowerPC32.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrintf.c: New
	file: multiarch lrintf for PowerPC32.

--

diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile
index b35affe..7160e5a 100644
--- a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile
@@ -19,5 +19,6 @@ libm-sysdep_routines += s_llrintf-power6 s_llrintf-ppc32 s_llrint-power6 \
 			s_roundf-power5+ s_roundf-ppc32 s_trunc-power5+ \
 			s_trunc-ppc32 s_truncf-power5+ s_truncf-ppc32 \
 			s_copysign-power6 s_copysign-ppc32 s_lround-power6x \
-			s_lround-power5+ s_lround-ppc32
+			s_lround-power5+ s_lround-ppc32 s_lrint-power6x \
+			s_lrint-ppc32
 endif
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrint-power6x.S b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrint-power6x.S
new file mode 100644
index 0000000..232e8f7
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrint-power6x.S
@@ -0,0 +1,33 @@
+/* Round double to long int.  POWER6x PowerPC32 version.
+   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/>.  */
+
+#include <sysdep.h>
+#include <math_ldbl_opt.h>
+
+#undef hidden_def
+#define hidden_def(name)
+#undef weak_alias
+#define weak_alias(name, alias)
+#undef strong_alias
+#define strong_alias(name, alias)
+#undef compat_symbol
+#define compat_symbol(lib, name, alias, ver)
+
+#define __lrint __lrint_power6x
+
+#include <sysdeps/powerpc/powerpc32/power6x/fpu/s_lrint.S>
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrint-ppc32.S b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrint-ppc32.S
new file mode 100644
index 0000000..bdece6f
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrint-ppc32.S
@@ -0,0 +1,31 @@
+/* Round double to long int.  PowerPC32 default version.
+   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/>.  */
+
+#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 __lrint __lrint_ppc32
+
+#include <sysdeps/powerpc/powerpc32/fpu/s_lrint.S>
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrint.c b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrint.c
new file mode 100644
index 0000000..03cf83e
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrint.c
@@ -0,0 +1,40 @@
+/* Multiple versions of lrint.
+   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/>.  */
+
+#include <math.h>
+#include <math_ldbl_opt.h>
+#include <shlib-compat.h>
+#include "init-arch.h"
+
+extern __typeof (__lrint) __lrint_ppc32 attribute_hidden;
+extern __typeof (__lrint) __lrint_power6x attribute_hidden;
+
+libc_ifunc (__lrint,
+	    (hwcap & PPC_FEATURE_POWER6_EXT) ?
+	      __lrint_power6x
+            : __lrint_ppc32);
+
+weak_alias (__lrint, lrint)
+
+#ifdef NO_LONG_DOUBLE
+weak_alias (__lrint, lrintl)
+strong_alias (__lrint, __lrintl)
+#endif
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
+compat_symbol (libm, __lrint, lrintl, GLIBC_2_1);
+#endif
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrintf.c b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrintf.c
new file mode 100644
index 0000000..204b8fb
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrintf.c
@@ -0,0 +1,31 @@
+/* Multiple versions of lrintf.
+   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/>.  */
+
+#include <math.h>
+#include "init-arch.h"
+
+/* It's safe to use double-precision implementation for single-precision.  */
+extern __typeof (__lrintf) __lrint_ppc32 attribute_hidden;
+extern __typeof (__lrintf) __lrint_power6x attribute_hidden;
+
+libc_ifunc (__lrintf,
+	    (hwcap & PPC_FEATURE_POWER6_EXT) ?
+	      __lrint_power6x
+            : __lrint_ppc32);
+
+weak_alias (__lrintf, lrintf)
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