diff options
Diffstat (limited to 'arch/avr32/lib/memset.S')
| -rw-r--r-- | arch/avr32/lib/memset.S | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/arch/avr32/lib/memset.S b/arch/avr32/lib/memset.S deleted file mode 100644 index 40da32c0480c..000000000000 --- a/arch/avr32/lib/memset.S +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Copyright (C) 2004-2006 Atmel Corporation - * - * Based on linux/arch/arm/lib/memset.S - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * ASM optimised string functions - */ -#include <asm/asm.h> - - /* - * r12: void *b - * r11: int c - * r10: size_t len - * - * Returns b in r12 - */ - .text - .global memset - .type memset, @function - .align 5 -memset: - mov r9, r12 - mov r8, r12 - or r11, r11, r11 << 8 - andl r9, 3, COH - brne 1f - -2: or r11, r11, r11 << 16 - sub r10, 4 - brlt 5f - - /* Let's do some real work */ -4: st.w r8++, r11 - sub r10, 4 - brge 4b - - /* - * When we get here, we've got less than 4 bytes to set. r10 - * might be negative. - */ -5: sub r10, -4 - reteq r12 - - /* Fastpath ends here, exactly 32 bytes from memset */ - - /* Handle unaligned count or pointer */ - bld r10, 1 - brcc 6f - st.b r8++, r11 - st.b r8++, r11 - bld r10, 0 - retcc r12 -6: st.b r8++, r11 - retal r12 - - /* Handle unaligned pointer */ -1: sub r10, 4 - brlt 5b - add r10, r9 - lsl r9, 1 - add pc, r9 - st.b r8++, r11 - st.b r8++, r11 - st.b r8++, r11 - rjmp 2b - - .size memset, . - memset |