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authorDavid S. Miller <davem@davemloft.net>2012-03-01 22:14:35 -0800
committerDavid S. Miller <davem@davemloft.net>2012-03-01 22:14:35 -0800
commit759707dee3a862e9e3935a8c20eaf93b2f1f01af (patch)
tree0a689a6466a4997d0f8ace8a9699214bd4545d96 /sysdeps/sparc/sparc64/fpu/s_finite.S
parentOptimized sparc assembler for signbit{,f,l} and some variants of isnan. (diff)
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Optimized 64-bit sparc assembler for finite{,f} and isinf{,f}.
* sysdeps/sparc/sparc64/fpu/s_finite.S: New file. * sysdeps/sparc/sparc64/fpu/s_finitef.S: New file. * sysdeps/sparc/sparc64/fpu/s_isinf.S: New file. * sysdeps/sparc/sparc64/fpu/s_isinff.S: New file.
Diffstat (limited to 'sysdeps/sparc/sparc64/fpu/s_finite.S')
-rw-r--r--sysdeps/sparc/sparc64/fpu/s_finite.S31
1 files changed, 31 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/fpu/s_finite.S b/sysdeps/sparc/sparc64/fpu/s_finite.S
new file mode 100644
index 0000000000..f93297e27b
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_finite.S
@@ -0,0 +1,31 @@
+/* finite(). sparc64 version.
+ Copyright (C) 2012 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>
+
+ENTRY (__finite)
+ fabsd %f0, %f0
+ st %f0, [%sp + STACK_BIAS + 128]
+ sethi %hi(0x7ff00000), %o2
+ ld [%sp + STACK_BIAS + 128], %o0
+ sub %o0, %o2, %o0
+ retl
+ srl %o0, 31, %o0
+END (__finite)
+hidden_def (__finite)
+weak_alias (__finite, finite)