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Diffstat (limited to 'sysdeps/sparc/sparc32/memset.S')
| -rw-r--r-- | sysdeps/sparc/sparc32/memset.S | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/sysdeps/sparc/sparc32/memset.S b/sysdeps/sparc/sparc32/memset.S deleted file mode 100644 index db44115047..0000000000 --- a/sysdeps/sparc/sparc32/memset.S +++ /dev/null @@ -1,154 +0,0 @@ -/* Set a block of memory to some byte value. - For SPARC v7. - Copyright (C) 1996-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by David S. Miller <davem@caip.rutgers.edu> and - Jakub Jelinek <jj@ultra.linux.cz>. - - 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> - - /* Store 64 bytes at (BASE + OFFSET) using value SOURCE. */ -#define ZERO_BIG_BLOCK(base, offset, source) \ - std source, [base + offset + 0x00]; \ - std source, [base + offset + 0x08]; \ - std source, [base + offset + 0x10]; \ - std source, [base + offset + 0x18]; \ - std source, [base + offset + 0x20]; \ - std source, [base + offset + 0x28]; \ - std source, [base + offset + 0x30]; \ - std source, [base + offset + 0x38]; - -#define ZERO_LAST_BLOCKS(base, offset, source) \ - std source, [base - offset - 0x38]; \ - std source, [base - offset - 0x30]; \ - std source, [base - offset - 0x28]; \ - std source, [base - offset - 0x20]; \ - std source, [base - offset - 0x18]; \ - std source, [base - offset - 0x10]; \ - std source, [base - offset - 0x08]; \ - std source, [base - offset - 0x00]; - - .text - .align 4 -ENTRY(__bzero) - b 1f - mov %g0, %g3 - -3: cmp %o2, 3 - be 2f - stb %g3, [%o0] - - cmp %o2, 2 - be 2f - stb %g3, [%o0 + 0x01] - - stb %g3, [%o0 + 0x02] -2: sub %o2, 4, %o2 - add %o1, %o2, %o1 - b 4f - sub %o0, %o2, %o0 -END(__bzero) - -ENTRY(memset) - and %o1, 0xff, %g3 - sll %g3, 8, %g2 - or %g3, %g2, %g3 - sll %g3, 16, %g2 - or %g3, %g2, %g3 - orcc %o2, %g0, %o1 -1: cmp %o1, 7 - bleu 7f - mov %o0, %g1 - - andcc %o0, 3, %o2 - bne 3b -4: andcc %o0, 4, %g0 - - be 2f - mov %g3, %g2 - - st %g3, [%o0] - sub %o1, 4, %o1 - add %o0, 4, %o0 -2: andcc %o1, 0xffffff80, %o3 - be 9f - andcc %o1, 0x78, %o2 -4: ZERO_BIG_BLOCK (%o0, 0x00, %g2) - subcc %o3, 128, %o3 - ZERO_BIG_BLOCK (%o0, 0x40, %g2) - bne 4b - add %o0, 128, %o0 - - orcc %o2, %g0, %g0 -9: be 6f - andcc %o1, 7, %o1 - - mov %o7, %g4 -101: call 100f - srl %o2, 1, %o3 - mov %g4, %o7 - jmpl %o4 + (20f + 64 - 101b), %g0 - add %o0, %o2, %o0 - -100: retl - sub %o7, %o3, %o4 - -20: ZERO_LAST_BLOCKS(%o0, 0x48, %g2) - ZERO_LAST_BLOCKS(%o0, 0x08, %g2) - -6: be 8f - andcc %o1, 4, %g0 - be 1f - andcc %o1, 2, %g0 - st %g3, [%o0] - add %o0, 4, %o0 -1: be 1f - andcc %o1, 1, %g0 - sth %g3, [%o0] - add %o0, 2, %o0 -1: bne,a 8f - stb %g3, [%o0] -8: retl - mov %g1, %o0 -7: orcc %o1, 0, %g0 - be 0f - subcc %o1, 1, %o1 - stb %g3, [%o0] - be 0f - subcc %o1, 1, %o1 - stb %g3, [%o0 + 1] - be 0f - subcc %o1, 1, %o1 - stb %g3, [%o0 + 2] - be 0f - subcc %o1, 1, %o1 - stb %g3, [%o0 + 3] - be 0f - subcc %o1, 1, %o1 - stb %g3, [%o0 + 4] - be 0f - subcc %o1, 1, %o1 - stb %g3, [%o0 + 5] - be 0f - subcc %o1, 1, %o1 - stb %g3, [%o0 + 6] -0: retl - nop -END(memset) -libc_hidden_builtin_def (memset) - -weak_alias (__bzero, bzero) |