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[PATCH 11/18] PowerPC: multiarch trunc/truncf for PowerPC32

From: Adhemerval Zanella <azanella at linux dot vnet dot ibm dot com>
To: "GNU C. Library" <libc-alpha at sourceware dot org>
Cc: "Steven J. Munroe" <sjmunroe at us dot ibm dot com>
Date: Tue, 19 Nov 2013 14:21:19 -0200
Subject: [PATCH 11/18] PowerPC: multiarch trunc/truncf 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 trunc
	and truncf multiarch implementations.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-power5+.S:
	New file.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-ppc32.S: New
	file.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc.c: New file:
	multiarch trunc for PowerPC32.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-power5+.S:
	New file.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-ppc32.S:
	New file.
	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf.c: New file:
	multiarch truncf for PowerPC32.

--

diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile
index 3e97ab2..41a8f2b 100644
--- a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile
@@ -15,5 +15,6 @@ libm-sysdep_routines += s_llrintf-power6 s_llrintf-ppc32 s_llrint-power6 \
 			s_ceil-ppc32 s_ceilf-power5+ s_ceilf-ppc32 \
 			s_floor-power5+ s_floor-ppc32 s_floorf-power5+ \
 			s_floorf-ppc32 s_round-power5+ s_round-ppc32 \
-			s_roundf-power5+ s_roundf-ppc32
+			s_roundf-power5+ s_roundf-ppc32 s_trunc-power5+ \
+			s_trunc-ppc32 s_truncf-power5+ s_truncf-ppc32
 endif
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-power5+.S b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-power5+.S
new file mode 100644
index 0000000..1969e9e
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-power5+.S
@@ -0,0 +1,33 @@
+/* trunc function.  PowerPC32/power5+ 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 __trunc __trunc_power5plus
+
+#include <sysdeps/powerpc/powerpc32/power5+/fpu/s_trunc.S>
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-ppc32.S b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-ppc32.S
new file mode 100644
index 0000000..541b4ed
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc-ppc32.S
@@ -0,0 +1,31 @@
+/* trunc function.  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 __trunc __trunc_ppc32
+
+#include <sysdeps/powerpc/powerpc32/fpu/s_trunc.S>
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc.c b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc.c
new file mode 100644
index 0000000..1fdef37
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc.c
@@ -0,0 +1,40 @@
+/* Multiple versions of trunc.
+   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 (__trunc) __trunc_ppc32 attribute_hidden;
+extern __typeof (__trunc) __trunc_power5plus attribute_hidden;
+
+libc_ifunc (__trunc,
+	    (hwcap & PPC_FEATURE_POWER5_PLUS)
+	    ? __trunc_power5plus
+            : __trunc_ppc32);
+
+weak_alias (__trunc, trunc)
+
+#ifdef NO_LONG_DOUBLE
+strong_alias (__trunc, __truncl)
+weak_alias (__trunc, truncl)
+#endif
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
+compat_symbol (libm, __trunc, truncl, GLIBC_2_1);
+#endif
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-power5+.S b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-power5+.S
new file mode 100644
index 0000000..211f88e
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-power5+.S
@@ -0,0 +1,26 @@
+/* truncf function.  PowerPC32/power5+ 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>
+
+#undef weak_alias
+#define weak_alias(name, alias)
+
+#define __truncf __truncf_power5plus
+
+#include <sysdeps/powerpc/powerpc32/power5+/fpu/s_truncf.S>
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-ppc32.S b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-ppc32.S
new file mode 100644
index 0000000..a83f413
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf-ppc32.S
@@ -0,0 +1,27 @@
+/* truncf function.  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)
+
+#define __truncf __truncf_ppc32
+
+#include <sysdeps/powerpc/powerpc32/fpu/s_truncf.S>
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf.c b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf.c
new file mode 100644
index 0000000..779a614
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf.c
@@ -0,0 +1,32 @@
+/* Multiple versions of truncf.
+   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 (__truncf) __truncf_ppc32 attribute_hidden;
+extern __typeof (__truncf) __truncf_power5plus attribute_hidden;
+
+libc_ifunc (__truncf,
+	    (hwcap & PPC_FEATURE_POWER5_PLUS)
+	    ? __truncf_power5plus
+            : __truncf_ppc32);
+
+weak_alias (__truncf, truncf)
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