From 15c95c5d1a6c5481258e9b1f36dfe12e15a56570 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Mon, 5 Sep 2011 10:06:15 -0700 Subject: Fixes and optimizations for 32-bit sparc fabs*(). --- ChangeLog | 9 +++++++ sysdeps/sparc/sparc32/fpu/s_fabs.S | 29 ++++++++++++++++++++++ sysdeps/sparc/sparc32/fpu/s_fabs.c | 11 -------- sysdeps/sparc/sparc32/fpu/s_fabsf.S | 4 +-- sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S | 29 ++++++++++++++++++++++ .../sysv/linux/sparc/sparc32/sparcv9/fpu/Implies | 3 +++ 6 files changed, 72 insertions(+), 13 deletions(-) create mode 100644 sysdeps/sparc/sparc32/fpu/s_fabs.S delete mode 100644 sysdeps/sparc/sparc32/fpu/s_fabs.c create mode 100644 sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S create mode 100644 sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/fpu/Implies diff --git a/ChangeLog b/ChangeLog index 411381e..0afcbc9 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,12 @@ +2011-09-05 David S. Miller + + * sysdeps/sparc/sparc32/fpu/s_fabsf.S: Use first argument + stack slot, rather than the struct return pointer slot. + * sysdeps/sparc/sparc32/fpu/s_fabs.c: Delete. + * sysdeps/sparc/sparc32/fpu/s_fabs.S: New file. + * sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S: Likewise. + * sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/fpu/Implies: Likewise. + 2011-09-05 Ulrich Drepper [BZ #13144] diff --git a/sysdeps/sparc/sparc32/fpu/s_fabs.S b/sysdeps/sparc/sparc32/fpu/s_fabs.S new file mode 100644 index 0000000..425fab4 --- /dev/null +++ b/sysdeps/sparc/sparc32/fpu/s_fabs.S @@ -0,0 +1,29 @@ +/* Float absolute value, sparc32 version. + Copyright (C) 2011 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 + +ENTRY (__fabs) + st %o0, [%sp+72] + st %o1, [%sp+76] + ldd [%sp+72], %f0 + retl + fabss %f0, %f0 +END (__fabs) +weak_alias (__fabs, fabs) diff --git a/sysdeps/sparc/sparc32/fpu/s_fabs.c b/sysdeps/sparc/sparc32/fpu/s_fabs.c deleted file mode 100644 index b883e6e..0000000 --- a/sysdeps/sparc/sparc32/fpu/s_fabs.c +++ /dev/null @@ -1,11 +0,0 @@ -#include -#include - -double __fabs (double x) -{ - return __builtin_fabs (x); -} -weak_alias (__fabs, fabs) -#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0) -compat_symbol (libm, __fabs, fabsl, GLIBC_2_0); -#endif diff --git a/sysdeps/sparc/sparc32/fpu/s_fabsf.S b/sysdeps/sparc/sparc32/fpu/s_fabsf.S index e148724..b233c62 100644 --- a/sysdeps/sparc/sparc32/fpu/s_fabsf.S +++ b/sysdeps/sparc/sparc32/fpu/s_fabsf.S @@ -21,8 +21,8 @@ #include ENTRY (__fabsf) - st %o0, [%sp+64] - ld [%sp+64], %f0 + st %o0, [%sp+68] + ld [%sp+68], %f0 retl fabss %f0, %f0 END (__fabsf) diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S b/sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S new file mode 100644 index 0000000..547840e --- /dev/null +++ b/sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S @@ -0,0 +1,29 @@ +/* Float absolute value, sparc32+v9 version. + Copyright (C) 2011 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 + +ENTRY (__fabs) + st %o0, [%sp+72] + st %o1, [%sp+76] + ldd [%sp+72], %f0 + retl + fabsd %f0, %f0 +END (__fabs) +weak_alias (__fabs, fabs) diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/fpu/Implies b/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/fpu/Implies new file mode 100644 index 0000000..70568c5 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/fpu/Implies @@ -0,0 +1,3 @@ +# We must list this here to move it ahead of the ldbl-opt code. +sparc/sparc32/sparcv9/fpu +sparc/sparc32/fpu -- cgit v1.1