From: David S. Miller Date: Tue, 28 Feb 2012 08:33:00 +0000 (-0800) Subject: Add optimized copysign for sparc. X-Git-Tag: glibc-2.16-tps~924 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=741a235bf611dd5ea646c918ac98ae5b2a0afe51;p=thirdparty%2Fglibc.git Add optimized copysign for sparc. * sysdeps/sparc/sparc32/fpu/s_copysign.S: New file. * sysdeps/sparc/sparc32/fpu/s_copysignf.S: New file. * sysdeps/sparc/sparc64/fpu/s_copysign.S: New file. * sysdeps/sparc/sparc64/fpu/s_copysignf.S: New file. --- diff --git a/ChangeLog b/ChangeLog index 308a6724395..8d3de2fce72 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2012-02-28 David S. Miller + + * sysdeps/sparc/sparc32/fpu/s_copysign.S: New file. + * sysdeps/sparc/sparc32/fpu/s_copysignf.S: New file. + * sysdeps/sparc/sparc64/fpu/s_copysign.S: New file. + * sysdeps/sparc/sparc64/fpu/s_copysignf.S: New file. + 2012-02-27 David S. Miller * sysdeps/sparc/sparc32/sparcv9/fpu/s_floor.S: New file. diff --git a/sysdeps/sparc/sparc32/fpu/s_copysign.S b/sysdeps/sparc/sparc32/fpu/s_copysign.S new file mode 100644 index 00000000000..18c44c5d3c2 --- /dev/null +++ b/sysdeps/sparc/sparc32/fpu/s_copysign.S @@ -0,0 +1,31 @@ +/* copysign function, sparc32 version. + Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller , 2012. + + 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 + . */ + +#include + +ENTRY (__copysign) + sethi %hi(0x80000000), %g1 + and %o2, %g1, %o4 + andn %o0, %g1, %o0 + or %o0, %o4, %o0 + std %o0, [%sp + 72] + retl + ldd [%sp + 72], %f0 +END (__copysign) +weak_alias (__copysign, copysign) \ No newline at end of file diff --git a/sysdeps/sparc/sparc32/fpu/s_copysignf.S b/sysdeps/sparc/sparc32/fpu/s_copysignf.S new file mode 100644 index 00000000000..7753c35e87f --- /dev/null +++ b/sysdeps/sparc/sparc32/fpu/s_copysignf.S @@ -0,0 +1,31 @@ +/* float copysign function, sparc32 version. + Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller , 2012. + + 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 + . */ + +#include + +ENTRY (__copysignf) + sethi %hi(0x80000000), %g1 + and %o1, %g1, %o4 + andn %o0, %g1, %o0 + or %o0, %o4, %o0 + st %o0, [%sp + 68] + retl + ld [%sp + 68], %f0 +END (__copysignf) +weak_alias (__copysignf, copysignf) \ No newline at end of file diff --git a/sysdeps/sparc/sparc64/fpu/s_copysign.S b/sysdeps/sparc/sparc64/fpu/s_copysign.S new file mode 100644 index 00000000000..571f57cbdce --- /dev/null +++ b/sysdeps/sparc/sparc64/fpu/s_copysign.S @@ -0,0 +1,31 @@ +/* copysign function, sparc64 version. + Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller , 2012. + + 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 + . */ + +#include + +ENTRY (__copysign) + sethi %hi(0x80000000), %g1 + st %g1, [%sp + STACK_BIAS + 128] + ld [%sp + STACK_BIAS + 128], %f7 + fands %f2, %f7, %f9 + fandnot2s %f0, %f7, %f0 + retl + fors %f0, %f9, %f0 +END (__copysign) +weak_alias (__copysign, copysign) \ No newline at end of file diff --git a/sysdeps/sparc/sparc64/fpu/s_copysignf.S b/sysdeps/sparc/sparc64/fpu/s_copysignf.S new file mode 100644 index 00000000000..db6a384c600 --- /dev/null +++ b/sysdeps/sparc/sparc64/fpu/s_copysignf.S @@ -0,0 +1,31 @@ +/* float copysign function, sparc64 version. + Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller , 2012. + + 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 + . */ + +#include + +ENTRY (__copysignf) + sethi %hi(0x80000000), %g1 + st %g1, [%sp + STACK_BIAS + 128] + ld [%sp + STACK_BIAS + 128], %f7 + fands %f3, %f7, %f9 + fandnot2s %f1, %f7, %f1 + retl + fors %f1, %f9, %f0 +END (__copysignf) +weak_alias (__copysignf, copysignf) \ No newline at end of file