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authorDavid S. Miller <davem@davemloft.net>2012-02-28 22:37:58 -0800
committerDavid S. Miller <davem@davemloft.net>2012-02-28 22:37:58 -0800
commit8847f0377003fbfe9cbe951ce9f8717d74f26247 (patch)
tree7dcf27e6b54b77fb9cb0253e7ece6499933858c1 /sysdeps/sparc/sparc64/fpu/w_sqrt.S
parent169d7f11ad61038cefb242ff978684667a0b5c86 (diff)
downloadglibc-8847f0377003fbfe9cbe951ce9f8717d74f26247.tar.gz
Add sparc optimized sqrt{,f}.
* sysdeps/sparc/sparc32/fpu/w_sqrt.S: New file. * sysdeps/sparc/sparc32/fpu/w_sqrtf.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/w_sqrt.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/w_sqrtf.S: New file. * sysdeps/sparc/sparc64/fpu/w_sqrt.S: New file. * sysdeps/sparc/sparc64/fpu/w_sqrtf.S: New file.
Diffstat (limited to 'sysdeps/sparc/sparc64/fpu/w_sqrt.S')
-rw-r--r--sysdeps/sparc/sparc64/fpu/w_sqrt.S54
1 files changed, 54 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/fpu/w_sqrt.S b/sysdeps/sparc/sparc64/fpu/w_sqrt.S
new file mode 100644
index 0000000000..11241a34b1
--- /dev/null
+++ b/sysdeps/sparc/sparc64/fpu/w_sqrt.S
@@ -0,0 +1,54 @@
+/* sqrt function. 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 (__sqrt)
+ fzero %f8
+ fcmpd %fcc2, %f0, %f8
+ fbl,pn %fcc2, 1f
+ nop
+8: retl
+ fsqrtd %f0, %f0
+1:
+#ifdef SHARED
+ SETUP_PIC_REG_LEAF(o5, g1)
+#ifdef HAVE_BINUTILS_GOTDATA
+ sethi %gdop_hix22(_LIB_VERSION), %g1
+ xor %g1, %gdop_lox10(_LIB_VERSION), %g1
+ ldx [%o5 + %g1], %g1, %gdop(_LIB_VERSION)
+#else
+ sethi %hi(_LIB_VERSION), %g1
+ or %g1, %lo(_LIB_VERSION), %g1
+ ldx [%o5 + %g1], %g1
+#endif
+#else
+ sethi %hi(_LIB_VERSION), %g1
+ or %g1, %lo(_LIB_VERSION), %g1
+#endif
+ ld [%g1], %g1
+ cmp %g1, -1
+ be,pt %icc, 8b
+ fmovd %f0, %f2
+ mov 26, %o2
+ mov %o7, %g1
+ call __kernel_standard
+ mov %g1, %o7
+END (__sqrt)
+
+weak_alias (__sqrt, sqrt)