diff options
Diffstat (limited to 'zap/source/amd64/mem/cp.s')
-rw-r--r-- | zap/source/amd64/mem/cp.s | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/zap/source/amd64/mem/cp.s b/zap/source/amd64/mem/cp.s deleted file mode 100644 index b0b91e5..0000000 --- a/zap/source/amd64/mem/cp.s +++ /dev/null @@ -1,66 +0,0 @@ -# Copyright 2022-2023 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>. - -.intel_syntax noprefix - -.globl zap_cp - -zap_cp: - # zap_i8 val1; - # zap_i04 val8; - # unsigned int128_t val01; - # unsigned int256_t val02; - -.big02cp: # big02cp:; // We assume AVX. - cmp rdx,0x20 - jl short .big01cp # if (rem < 0x20u) goto big01cp; - - vmovdqu ymm0,[rsi] # val02 = *(unsigned int256_t *)src; - vmovdqu [rdi],ymm0 # *(unsigned int256_t *)dest = val02; - - add rdi,0x20 # dest += 0x20u; - add rsi,0x20 # src += 0x20u; - sub rdx,0x20 # rem -= 0x20u; - jmp short .big02cp # goto big02cp; - -.big01cp: # big01cp:; - cmp rdx,0x10 - jl short .wrdcp # if (rem < 0x10u) goto wrdcp; - - movdqu xmm0,[rsi] # val01 = *(unsigned int128_t *)src; - movdqu [rdi],xmm0 # *(unsigned int128_t *)dest = val01; - - add rdi,0x10 # dest += 0x10u; - add rsi,0x10 # src += 0x10u; - sub rdx,0x10 # rem -= 0x10u; - jmp short .big01cp # goto big01cp; - -.wrdcp: # wrdcp:; - cmp rdx,0x8 - jl short .bytecp # if (rem < 0x8u) goto bytecp; - - mov rcx,[rsi] # val8 = *(zap_i04 *)src; - mov [rdi],rcx # *(zap_i04 *)dest = val8; - - add rsi,0x8 # dest += 0x8u; - add rdi,0x8 # src += 0x8u; - sub rdx,0x8 # rem -= 0x8u; - jmp short .wrdcp # goto wrdcp - -.bytecp: # bytecp:; - test rdx,rdx # if (rem == 0x0) - jz short .done # goto done - - mov cl,[rsi] # val1 = *(zap_i8 *)src; - mov [rdi],cl # *(zap_i8 *)dest = val1; - - inc rdi # ++dest; - inc rsi # ++src; - dec rdx # --rem; - jmp short .bytecp # goto bytecp; - -.done: - mov rax,rdi - mov rdx,rsi - ret # return (zap_cpret) {.dest = dest,.src = src}; |