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[PATCH 30/36] PowerPC: trunc/truncf multilib 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: Mon, 19 Aug 2013 18:29:50 -0300
- Subject: [PATCH 30/36] PowerPC: trunc/truncf multilib for PowerPC32
- References: <52127ABC dot 40008 at linux dot vnet dot ibm dot com>
2013-08-19 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* sysdeps/powerpc/powerpc32/power5+/fpu/s_trunc.S: Move to ...
* sysdeps/powerpc/powerpc32/fpu/multiarch/s_trunc-power5+.S: ... here.
(__trunc): Rename symbol to __trunc_power5plus and remove strong_alias,
weak_alias and compat_symbol definitions.
* sysdeps/powerpc/powerpc32/power5+/fpu/s_truncf.S: Move to ...
* sysdeps/powerpc/powerpc32/fpu/multiarch/s_truncf-power5+.S: ... here.
(__truncf): Rename symbol to __truncf_power5plus and remove weak_alias
definition.
* sysdeps/powerpc/powerpc32/fpu/multiarch/s_trunc-ppc32.S: New file:
default trunc implementation for PPC32.
* sysdeps/powerpc/powerpc32/fpu/multiarch/s_truncf-ppc32.S: New file:
default truncf implementation for PPC32.
* sysdeps/powerpc/powerpc32/fpu/multiarch/s_trunc.c: New file:
multiarch trunc for PPC32.
* sysdeps/powerpc/powerpc32/fpu/multiarch/s_truncf.c: New file:
multiarch truncf for PPC32.
* sysdeps/powerpc/powerpc32/fpu/multiarch/Makefile: Add trunc and
truncf objects.
--
diff --git a/sysdeps/powerpc/powerpc32/fpu/multiarch/Makefile b/sysdeps/powerpc/powerpc32/fpu/multiarch/Makefile
index 54a3e39..d7850a1 100644
--- a/sysdeps/powerpc/powerpc32/fpu/multiarch/Makefile
+++ b/sysdeps/powerpc/powerpc32/fpu/multiarch/Makefile
@@ -17,7 +17,8 @@ libm-sysdep_routines += s_llrintf-power6 s_llrintf-power4 s_llrintf-ppc32 \
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
CFLAGS-s_llround.c = -fno-builtin-llroundf
endif
diff --git a/sysdeps/powerpc/powerpc32/fpu/multiarch/s_trunc-power5+.S b/sysdeps/powerpc/powerpc32/fpu/multiarch/s_trunc-power5+.S
new file mode 100644
index 0000000..d9fc987
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/fpu/multiarch/s_trunc-power5+.S
@@ -0,0 +1,26 @@
+/* trunc function. PowerPC32/power5+ version.
+ Copyright (C) 2006-2013 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>
+
+ .machine "power5"
+EALIGN (__trunc_power5plus, 4, 0)
+ friz fp1, fp1
+ blr
+END (__trunc_power5plus)
diff --git a/sysdeps/powerpc/powerpc32/fpu/multiarch/s_trunc-ppc32.S b/sysdeps/powerpc/powerpc32/fpu/multiarch/s_trunc-ppc32.S
new file mode 100644
index 0000000..541b4ed
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/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/fpu/multiarch/s_trunc.c b/sysdeps/powerpc/powerpc32/fpu/multiarch/s_trunc.c
new file mode 100644
index 0000000..1fdef37
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/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/fpu/multiarch/s_truncf-power5+.S b/sysdeps/powerpc/powerpc32/fpu/multiarch/s_truncf-power5+.S
new file mode 100644
index 0000000..35cd65a
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/fpu/multiarch/s_truncf-power5+.S
@@ -0,0 +1,26 @@
+/* truncf function. PowerPC32/power5+ version.
+ Copyright (C) 2006-2013 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>
+
+ .machine "power5"
+EALIGN (__truncf_power5plus, 4, 0)
+ friz fp1, fp1 /* The rounding instructions are double. */
+ frsp fp1, fp1 /* But we need to set overflow for float. */
+ blr
+END (__truncf_power5plus)
diff --git a/sysdeps/powerpc/powerpc32/fpu/multiarch/s_truncf-ppc32.S b/sysdeps/powerpc/powerpc32/fpu/multiarch/s_truncf-ppc32.S
new file mode 100644
index 0000000..a83f413
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/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/fpu/multiarch/s_truncf.c b/sysdeps/powerpc/powerpc32/fpu/multiarch/s_truncf.c
new file mode 100644
index 0000000..779a614
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/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)
diff --git a/sysdeps/powerpc/powerpc32/power5+/fpu/s_trunc.S b/sysdeps/powerpc/powerpc32/power5+/fpu/s_trunc.S
deleted file mode 100644
index 2d4ec5a..0000000
--- a/sysdeps/powerpc/powerpc32/power5+/fpu/s_trunc.S
+++ /dev/null
@@ -1,36 +0,0 @@
-/* trunc function. PowerPC32/power5+ version.
- Copyright (C) 2006-2013 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>
-
- .machine "power5"
-EALIGN (__trunc, 4, 0)
- friz fp1, fp1
- blr
- END (__trunc)
-
-weak_alias (__trunc, trunc)
-
-#ifdef NO_LONG_DOUBLE
-weak_alias (__trunc, truncl)
-strong_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/power5+/fpu/s_truncf.S b/sysdeps/powerpc/powerpc32/power5+/fpu/s_truncf.S
deleted file mode 100644
index 0ca5b5c..0000000
--- a/sysdeps/powerpc/powerpc32/power5+/fpu/s_truncf.S
+++ /dev/null
@@ -1,29 +0,0 @@
-/* truncf function. PowerPC32/power5+ version.
- Copyright (C) 2006-2013 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>
-
- .machine "power5"
-EALIGN (__truncf, 4, 0)
- friz fp1, fp1 /* The rounding instructions are double. */
- frsp fp1, fp1 /* But we need to set ooverflow for float. */
- blr
- END (__truncf)
-
-weak_alias (__truncf, truncf)
-
--
1.7.1