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[PATCH] Add optimized copysign for sparc.
- From: David Miller <davem at davemloft dot net>
- To: libc-alpha at sourceware dot org
- Date: Tue, 28 Feb 2012 03:34:58 -0500 (EST)
- Subject: [PATCH] Add optimized copysign for sparc.
Committed to master.
* sysdeps/sparc/sparc32/fpu/s_copysign.S: New file.
* sysdeps/sparc/sparc32/fpu/s_copysignf.S: New file.
* sysdeps/sparc/sparc64/fpu/s_copysign.S: New file.
* sysdeps/sparc/sparc64/fpu/s_copysignf.S: New file.
---
ChangeLog | 7 +++++++
sysdeps/sparc/sparc32/fpu/s_copysign.S | 31 +++++++++++++++++++++++++++++++
sysdeps/sparc/sparc32/fpu/s_copysignf.S | 31 +++++++++++++++++++++++++++++++
sysdeps/sparc/sparc64/fpu/s_copysign.S | 31 +++++++++++++++++++++++++++++++
sysdeps/sparc/sparc64/fpu/s_copysignf.S | 31 +++++++++++++++++++++++++++++++
5 files changed, 131 insertions(+), 0 deletions(-)
create mode 100644 sysdeps/sparc/sparc32/fpu/s_copysign.S
create mode 100644 sysdeps/sparc/sparc32/fpu/s_copysignf.S
create mode 100644 sysdeps/sparc/sparc64/fpu/s_copysign.S
create mode 100644 sysdeps/sparc/sparc64/fpu/s_copysignf.S
diff --git a/ChangeLog b/ChangeLog
index 308a672..8d3de2f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2012-02-28 David S. Miller <davem@davemloft.net>
+
+ * sysdeps/sparc/sparc32/fpu/s_copysign.S: New file.
+ * sysdeps/sparc/sparc32/fpu/s_copysignf.S: New file.
+ * sysdeps/sparc/sparc64/fpu/s_copysign.S: New file.
+ * sysdeps/sparc/sparc64/fpu/s_copysignf.S: New file.
+
2012-02-27 David S. Miller <davem@davemloft.net>
* sysdeps/sparc/sparc32/sparcv9/fpu/s_floor.S: New file.
diff --git a/sysdeps/sparc/sparc32/fpu/s_copysign.S b/sysdeps/sparc/sparc32/fpu/s_copysign.S
new file mode 100644
index 0000000..18c44c5
--- /dev/null
+++ b/sysdeps/sparc/sparc32/fpu/s_copysign.S
@@ -0,0 +1,31 @@
+/* copysign function, sparc32 version.
+ Copyright (C) 2012 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David S. Miller <davem@davemloft.net>, 2012.
+
+ 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>
+
+ENTRY (__copysign)
+ sethi %hi(0x80000000), %g1
+ and %o2, %g1, %o4
+ andn %o0, %g1, %o0
+ or %o0, %o4, %o0
+ std %o0, [%sp + 72]
+ retl
+ ldd [%sp + 72], %f0
+END (__copysign)
+weak_alias (__copysign, copysign)
diff --git a/sysdeps/sparc/sparc32/fpu/s_copysignf.S b/sysdeps/sparc/sparc32/fpu/s_copysignf.S
new file mode 100644
index 0000000..7753c35
--- /dev/null
+++ b/sysdeps/sparc/sparc32/fpu/s_copysignf.S
@@ -0,0 +1,31 @@
+/* float copysign function, sparc32 version.
+ Copyright (C) 2012 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David S. Miller <davem@davemloft.net>, 2012.
+
+ 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>
+
+ENTRY (__copysignf)
+ sethi %hi(0x80000000), %g1
+ and %o1, %g1, %o4
+ andn %o0, %g1, %o0
+ or %o0, %o4, %o0
+ st %o0, [%sp + 68]
+ retl
+ ld [%sp + 68], %f0
+END (__copysignf)
+weak_alias (__copysignf, copysignf)
diff --git a/sysdeps/sparc/sparc64/fpu/s_copysign.S b/sysdeps/sparc/sparc64/fpu/s_copysign.S
new file mode 100644
index 0000000..571f57c
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_copysign.S
@@ -0,0 +1,31 @@
+/* copysign function, sparc64 version.
+ Copyright (C) 2012 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David S. Miller <davem@davemloft.net>, 2012.
+
+ 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>
+
+ENTRY (__copysign)
+ sethi %hi(0x80000000), %g1
+ st %g1, [%sp + STACK_BIAS + 128]
+ ld [%sp + STACK_BIAS + 128], %f7
+ fands %f2, %f7, %f9
+ fandnot2s %f0, %f7, %f0
+ retl
+ fors %f0, %f9, %f0
+END (__copysign)
+weak_alias (__copysign, copysign)
diff --git a/sysdeps/sparc/sparc64/fpu/s_copysignf.S b/sysdeps/sparc/sparc64/fpu/s_copysignf.S
new file mode 100644
index 0000000..db6a384
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_copysignf.S
@@ -0,0 +1,31 @@
+/* float copysign function, sparc64 version.
+ Copyright (C) 2012 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David S. Miller <davem@davemloft.net>, 2012.
+
+ 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>
+
+ENTRY (__copysignf)
+ sethi %hi(0x80000000), %g1
+ st %g1, [%sp + STACK_BIAS + 128]
+ ld [%sp + STACK_BIAS + 128], %f7
+ fands %f3, %f7, %f9
+ fandnot2s %f1, %f7, %f1
+ retl
+ fors %f1, %f9, %f0
+END (__copysignf)
+weak_alias (__copysignf, copysignf)
--
1.7.6.401.g6a319