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Diffstat (limited to 'zap/src/mem/memfill.S')
-rw-r--r-- | zap/src/mem/memfill.S | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/zap/src/mem/memfill.S b/zap/src/mem/memfill.S deleted file mode 100644 index 63a1aad..0000000 --- a/zap/src/mem/memfill.S +++ /dev/null @@ -1,45 +0,0 @@ -/* - Copyright 2022 Gabriel Jensen. - This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. - If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/. -*/ - -#include <zap/priv.h> - -.globl zap_memfill - -zap_memfill: - - /* - void const * ptr - zap_sz num - unsigned char val - */ - -#if defined(__amd64__) - - # rdi: Address of the current element. - # rsi: Address of the element after the last element. - # rdx: Byte value. - - addq %rdi,%rsi - - # Iterate over buffer: -.loop: - - # Check if we have reached the final element: - cmpq %rdi,%rsi - je .done # Exit loop if we have. - - # Set the value of the current element: - movb %dl,(%rdi) - - # Continue to next element: - incq %rdi - jmp .loop - - # Finish: -.done: - ret - -#endif |