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authorDavid S. Miller <davem@davemloft.net>2012-02-28 00:33:00 -0800
committerDavid S. Miller <davem@davemloft.net>2012-02-28 00:33:00 -0800
commit741a235bf611dd5ea646c918ac98ae5b2a0afe51 (patch)
tree66a35f262d497f832d9d822238f86c4d88565143 /sysdeps/sparc/sparc64
parent1aff59a3f78e2eea23c5303cede967613bd13bfc (diff)
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Add optimized copysign for sparc.
* 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.
Diffstat (limited to 'sysdeps/sparc/sparc64')
-rw-r--r--sysdeps/sparc/sparc64/fpu/s_copysign.S31
-rw-r--r--sysdeps/sparc/sparc64/fpu/s_copysignf.S31
2 files changed, 62 insertions, 0 deletions
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) \ No newline at end of file
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) \ No newline at end of file