aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/powerpc/powerpc64/power4/fpu/w_sqrt.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2007-06-03 21:20:06 +0000
committerUlrich Drepper <drepper@redhat.com>2007-06-03 21:20:06 +0000
commit04067002e8c1be0c432bd608736750ca7459ec69 (patch)
tree1875d7b84026d0881df23845f768ecdd05b66c6d /sysdeps/powerpc/powerpc64/power4/fpu/w_sqrt.c
parentb03b0c292034392fbe98b96fd0b3b5cde6c1587c (diff)
downloadglibc-04067002e8c1be0c432bd608736750ca7459ec69.tar
glibc-04067002e8c1be0c432bd608736750ca7459ec69.tar.gz
glibc-04067002e8c1be0c432bd608736750ca7459ec69.tar.bz2
glibc-04067002e8c1be0c432bd608736750ca7459ec69.zip
* sysdeps/powerpc/powerpc32/970/fpu/Implies: New file.
* sysdeps/powerpc/powerpc32/power5/fpu/Implies: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/Implies: New file. * sysdeps/powerpc/powerpc32/power6/fpu/Implies: New file. * sysdeps/powerpc/powerpc32/power6x/fpu/Implies: New file. * sysdeps/powerpc/powerpc64/970/fpu/Implies: New file. * sysdeps/powerpc/powerpc64/power5/fpu/Implies: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/Implies: New file. * sysdeps/powerpc/powerpc64/power6/fpu/Implies: New file. * sysdeps/powerpc/powerpc64/power6x/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc32/970/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc32/power4/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc32/power5/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc32/power5+/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc32/power6/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc32/power6x/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/970/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/power4/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/power5/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/power5+/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/power6/fpu/Implies: New file. * sysdeps/unix/sysv/linux/powerpc/powerpc64/power6x/fpu/Implies: New file. 2007-05-31 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llrint.S: Move. * sysdeps/powerpc/powerpc32/power4/fpu/s_llrint.S: To here. * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llrintf.S: Move. * sysdeps/powerpc/powerpc32/power4/fpu/s_llrintf.S: To here. * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llround.S: Move. * sysdeps/powerpc/powerpc32/power4/fpu/s_llround.S: To here. * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llroundf.S: Move. * sysdeps/powerpc/powerpc32/power4/fpu/s_llroundf.S: To here. 2007-05-22 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power5+/fpu/s_round.S (LONG_DOUBLE_COMPAT): Specify correct version, GLIBC_2_1. * sysdeps/powerpc/powerpc32/power5+/fpu/s_trunc.S (LONG_DOUBLE_COMPAT): Specify correct version, GLIBC_2_1. * sysdeps/powerpc/powerpc64/power5+/fpu/s_round.S (LONG_DOUBLE_COMPAT): Specify correct version, GLIBC_2_1. * sysdeps/powerpc/powerpc64/power5+/fpu/s_trunc.S (LONG_DOUBLE_COMPAT): Specify correct version, GLIBC_2_1. 2007-05-21 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power4/fpu/slowexp.c: New file. * sysdeps/powerpc/powerpc32/power4/fpu/w_sqrt.c: New file. * sysdeps/powerpc/powerpc64/power4/fpu/slowexp.c: New file. * sysdeps/powerpc/powerpc64/power4/fpu/w_sqrt.c: New file. 2007-03-15 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llrint.S [LONG_DOUBLE_COMPAT]: Add compat_symbol for llrintl@@GLIBC_2_1. 2006-02-13 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power6/fpu/s_llrint.S: New File * sysdeps/powerpc/powerpc32/power6/fpu/s_llrintf.S: New File * sysdeps/powerpc/powerpc32/power6/fpu/s_llround.S: New File * sysdeps/powerpc/powerpc32/power6/fpu/s_llroundf.S: New File 2006-10-20 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power4/fpu/slowpow.c: New file. * sysdeps/powerpc/powerpc64/power4/fpu/slowpow.c: New file. 2006-10-03 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llround.S: New file. * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llroundf.S: New file. * sysdeps/powerpc/powerpc32/powerpc64/fpu/Makefile: Moved. * sysdeps/powerpc/powerpc32/powerpc64/fpu/mpa.c: Likewise. * sysdeps/powerpc/powerpc32/power4/fpu/Makefile: To here. * sysdeps/powerpc/powerpc32/power4/fpu/mpa.c: Likewise. 2006-09-29 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power6x/fpu/s_lrint.S: New file. * sysdeps/powerpc/powerpc32/power6x/fpu/s_lround.S: New file. * sysdeps/powerpc/powerpc64/power6x/fpu/s_llrint.S: New file. * sysdeps/powerpc/powerpc64/power6x/fpu/s_llround.S: New file. 2006-09-28 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power5+/fpu/s_llround.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_llroundf.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_lround.S: New file. * sysdeps/powerpc/powerpc32/power6x/fpu/Implies: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_llround.S: New file. * sysdeps/powerpc/powerpc64/power6x/fpu/Implies: New file. 2006-08-31 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/powerpc64/fpu/Makefile: New file. * sysdeps/powerpc/powerpc32/powerpc64/fpu/mpa.c: New file. * sysdeps/powerpc/powerpc64/power4/fpu/Makefile: New file. * sysdeps/powerpc/powerpc64/power4/fpu/mpa.c: New file. 2006-06-15 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power5+/fpu/s_ceil.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_ceilf.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_floor.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_floorf.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_round.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_roundf.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_trunc.S: New file. * sysdeps/powerpc/powerpc32/power5+/fpu/s_truncf.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_ceil.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_ceilf.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_floor.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_floorf.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_round.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_roundf.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_trunc.S: New file. * sysdeps/powerpc/powerpc64/power5+/fpu/s_truncf.S: New file. 2006-03-20 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llrint.S: New file. * sysdeps/powerpc/powerpc32/powerpc64/fpu/s_llrintf.S: New file. 2007-06-01 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power6/memset.S: New file. * sysdeps/powerpc/powerpc64/power6/memset.S: New file. 2007-05-31 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/970/Implies: New file. * sysdeps/powerpc/powerpc32/power5/Implies: New file. * sysdeps/powerpc/powerpc32/power5+/Implies: New file. * sysdeps/powerpc/powerpc32/power6/Implies: New file. * sysdeps/powerpc/powerpc32/power6x/Implies: New file. * sysdeps/powerpc/powerpc64/970/Implies: New file. * sysdeps/powerpc/powerpc64/power5/Implies: New file. * sysdeps/powerpc/powerpc64/power5+/Implies: New file. * sysdeps/powerpc/powerpc64/power6/Implies: New file. * sysdeps/powerpc/powerpc64/power6x/Implies: New file. 2007-05-21 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power4/memset.S: New file 2007-03-13 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc64/memcpy.S: Improve aligned loop to minimize branch miss-predicts. Ensure that cache line crossing does not impact dispatch grouping. 2006-12-13 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc64/power4/memcopy.h: Replace with include "../../powerpc32/power4/memcopy.h". * sysdeps/powerpc/powerpc64/power4/wordcopy.c: Replace with include "../../powerpc32/power4/wordcopy.c". 2006-10-03 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/powerpc64/Makefile: Moved. * sysdeps/powerpc/powerpc32/powerpc64/memcopy.h: Likewise. * sysdeps/powerpc/powerpc32/powerpc64/wordcopy.c: Likewise. * sysdeps/powerpc/powerpc32/power4/Makefile: To here. * sysdeps/powerpc/powerpc32/power4/memcopy.h: Likewise. * sysdeps/powerpc/powerpc32/power4/wordcopy.c: Likewise. 2006-09-10 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power6/memcpy.S: New file. 2006-08-31 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power6/wordcopy.c: New file. * sysdeps/powerpc/powerpc32/powerpc64/Makefile: New file. * sysdeps/powerpc/powerpc32/powerpc64/memcopy.h: New file. * sysdeps/powerpc/powerpc32/powerpc64/wordcopy.c: New file. * sysdeps/powerpc/powerpc64/power4/Makefile: New file. * sysdeps/powerpc/powerpc64/power4/memcopy.h: New file. * sysdeps/powerpc/powerpc64/power4/wordcopy.c: New file. * sysdeps/powerpc/powerpc64/power6/wordcopy.c: New file. 2006-07-06 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc64/power6/memcpy.S: New file. 2006-03-20 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc32/power4/memcmp.S: New file. * sysdeps/powerpc/powerpc32/power4/memcpy.S: New file. * sysdeps/powerpc/powerpc32/power4/memset.S: New file. * sysdeps/powerpc/powerpc32/power4/strncmp.S: New file. * sysdeps/powerpc/powerpc64/power4/memcmp.S: New file. * sysdeps/powerpc/powerpc64/power4/memcpy.S: New file. * sysdeps/powerpc/powerpc64/power4/strncmp.S: New file.
Diffstat (limited to 'sysdeps/powerpc/powerpc64/power4/fpu/w_sqrt.c')
-rw-r--r--sysdeps/powerpc/powerpc64/power4/fpu/w_sqrt.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/power4/fpu/w_sqrt.c b/sysdeps/powerpc/powerpc64/power4/fpu/w_sqrt.c
new file mode 100644
index 0000000000..d2b62b2672
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/power4/fpu/w_sqrt.c
@@ -0,0 +1,62 @@
+/* Double-precision floating point square root wrapper.
+ Copyright (C) 2004, 2007 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <math_ldbl_opt.h>
+#include "math.h"
+#include "math_private.h"
+#include <fenv_libc.h>
+
+#ifdef __STDC__
+double
+__sqrt (double x) /* wrapper sqrt */
+#else
+double
+__sqrt (x) /* wrapper sqrt */
+ double x;
+#endif
+{
+ double z;
+/* Power4 (ISA V2.0) and above implement sqrt in hardware. */
+ __asm __volatile (
+ " fsqrt %0,%1\n"
+ : "=f" (z)
+ : "f" (x));
+#ifdef _IEEE_LIBM
+ return z;
+#else
+ if (__builtin_expect (_LIB_VERSION == _IEEE_, 0))
+ return z;
+
+ if (__builtin_expect (x != x, 0))
+ return z;
+
+ if (__builtin_expect (x < 0.0, 0))
+ return __kernel_standard (x, x, 26); /* sqrt(negative) */
+ else
+ return z;
+#endif
+}
+
+weak_alias (__sqrt, sqrt)
+#ifdef NO_LONG_DOUBLE
+ strong_alias (__sqrt, __sqrtl) weak_alias (__sqrt, sqrtl)
+#endif
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
+compat_symbol (libm, __sqrt, sqrtl, GLIBC_2_0);
+#endif