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| author | David S. Miller <davem@davemloft.net> | 2012-02-28 22:37:58 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-02-28 22:37:58 -0800 |
| commit | 8847f0377003fbfe9cbe951ce9f8717d74f26247 (patch) | |
| tree | 7dcf27e6b54b77fb9cb0253e7ece6499933858c1 /sysdeps/sparc/sparc32/fpu/w_sqrtf.S | |
| parent | 169d7f11ad61038cefb242ff978684667a0b5c86 (diff) | |
| download | glibc-8847f0377003fbfe9cbe951ce9f8717d74f26247.tar.gz glibc-8847f0377003fbfe9cbe951ce9f8717d74f26247.tar.xz glibc-8847f0377003fbfe9cbe951ce9f8717d74f26247.zip | |
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/sparc32/fpu/w_sqrtf.S')
| -rw-r--r-- | sysdeps/sparc/sparc32/fpu/w_sqrtf.S | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc32/fpu/w_sqrtf.S b/sysdeps/sparc/sparc32/fpu/w_sqrtf.S new file mode 100644 index 0000000000..cf4c800624 --- /dev/null +++ b/sysdeps/sparc/sparc32/fpu/w_sqrtf.S @@ -0,0 +1,57 @@ +/* sqrtf function. sparc32 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 (__sqrtf) + st %g0, [%sp + 68] + st %o0, [%sp + 72] + ld [%sp + 68], %f8 + ld [%sp + 72], %f0 + fcmps %f0, %f8 + fbl 1f + nop +8: retl + fsqrts %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 + ld [%o5 + %g1], %g1, %gdop(_LIB_VERSION) +#else + sethi %hi(_LIB_VERSION), %g1 + or %g1, %lo(_LIB_VERSION), %g1 + ld [%o5 + %g1], %g1 +#endif +#else + sethi %hi(_LIB_VERSION), %g1 + or %g1, %lo(_LIB_VERSION), %g1 +#endif + ld [%g1], %g1 + cmp %g1, -1 + be 8b + mov %o0, %o1 + mov 126, %o2 + mov %o7, %g1 + call __kernel_standard_f + mov %g1, %o7 +END (__sqrtf) + +weak_alias (__sqrtf, sqrtf) |