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authorDavid S. Miller <davem@davemloft.net>2012-03-01 20:43:38 -0800
committerDavid S. Miller <davem@davemloft.net>2012-03-01 20:43:38 -0800
commitdfdb8ff2998cfcaf3c8978f522c061fe8a68fe68 (patch)
tree80f8b00fe1952d69f9229d34eebc91bea9143f30 /sysdeps/sparc/sparc64/fpu/s_signbitf.S
parentead89f9695d358ec2e67cafbda13f44e5aaf5b53 (diff)
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Optimized sparc assembler for signbit{,f,l} and some variants of isnan.
* sysdeps/sparc/sparc32/fpu/s_signbit.S: New file. * sysdeps/sparc/sparc32/fpu/s_signbitf.S: New file. * sysdeps/sparc/sparc32/fpu/s_signbitl.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/s_isnan.S: New file. * sysdeps/sparc/sparc64/fpu/s_isnan.S: New file. * sysdeps/sparc/sparc64/fpu/s_isnanf.S: New file. * sysdeps/sparc/sparc64/fpu/s_signbit.S: New file. * sysdeps/sparc/sparc64/fpu/s_signbitf.S: New file. * sysdeps/sparc/sparc64/fpu/s_signbitl.S: New file.
Diffstat (limited to 'sysdeps/sparc/sparc64/fpu/s_signbitf.S')
-rw-r--r--sysdeps/sparc/sparc64/fpu/s_signbitf.S27
1 files changed, 27 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/fpu/s_signbitf.S b/sysdeps/sparc/sparc64/fpu/s_signbitf.S
new file mode 100644
index 0000000000..d2a7aa5bdd
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/s_signbitf.S
@@ -0,0 +1,27 @@
+/* signbitf(). 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 (__signbitf)
+ st %f1, [%sp + STACK_BIAS + 128]
+ ld [%sp + STACK_BIAS + 128], %o0
+ retl
+ srl %o0, 31, %o0
+END (__signbitf)
+weak_alias (__signbitf, signbitf)