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| author | Adhemerval Zanella Netto <adhemerval.zanella@linaro.org> | 2023-08-25 13:30:58 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2024-02-01 09:31:33 -0300 |
| commit | ae4b8d6a0e0dc502e3d8307474a2e5691b7434da (patch) | |
| tree | 8e8d958ebb90b9edec3847a53364edb32a2314a3 /sysdeps/alpha/alphaev67 | |
| parent | 26d01172f5c3f3b912ecf21ebb911eb5351bba4d (diff) | |
| download | glibc-ae4b8d6a0e0dc502e3d8307474a2e5691b7434da.zip glibc-ae4b8d6a0e0dc502e3d8307474a2e5691b7434da.tar.gz glibc-ae4b8d6a0e0dc502e3d8307474a2e5691b7434da.tar.bz2 | |
string: Use builtins for ffs and ffsll
It allows to remove a lot of arch-specific implementations.
Checked on x86_64, aarch64, powerpc64.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'sysdeps/alpha/alphaev67')
| -rw-r--r-- | sysdeps/alpha/alphaev67/ffs.S | 51 | ||||
| -rw-r--r-- | sysdeps/alpha/alphaev67/ffsll.S | 44 |
2 files changed, 0 insertions, 95 deletions
diff --git a/sysdeps/alpha/alphaev67/ffs.S b/sysdeps/alpha/alphaev67/ffs.S deleted file mode 100644 index 0b5e677..0000000 --- a/sysdeps/alpha/alphaev67/ffs.S +++ /dev/null @@ -1,51 +0,0 @@ -/* Copyright (C) 2000-2024 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 - <https://www.gnu.org/licenses/>. */ - -/* Finds the first bit set in an integer. */ - -#include <sysdep.h> - - .arch ev6 - .set noreorder - .set noat - - -ENTRY(__ffs) -#ifdef PROF - ldgp gp, 0(pv) - lda AT, _mcount - jsr AT, (AT), _mcount - .prologue 1 -#else - .prologue 0 -#endif - - zap $16, 0xF0, $16 - cttz $16, $0 - addq $0, 1, $0 - cmoveq $16, 0, $0 - - nop - nop - nop - ret - -END(__ffs) - -weak_alias (__ffs, ffs) -libc_hidden_def (__ffs) -libc_hidden_builtin_def (ffs) diff --git a/sysdeps/alpha/alphaev67/ffsll.S b/sysdeps/alpha/alphaev67/ffsll.S deleted file mode 100644 index 56e26d1..0000000 --- a/sysdeps/alpha/alphaev67/ffsll.S +++ /dev/null @@ -1,44 +0,0 @@ -/* Copyright (C) 2000-2024 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 - <https://www.gnu.org/licenses/>. */ - -/* Finds the first bit set in a long. */ - -#include <sysdep.h> - - .arch ev6 - .set noreorder - .set noat - -ENTRY(ffsl) -#ifdef PROF - ldgp gp, 0(pv) - lda AT, _mcount - jsr AT, (AT), _mcount - .prologue 1 -#else - .prologue 0 -#endif - - cttz $16, $0 - addq $0, 1, $0 - cmoveq $16, 0, $0 - ret - -END(ffsl) - -weak_extern (ffsl) -weak_alias (ffsl, ffsll) |