1 files changed, 0 insertions, 99 deletions
diff --git a/zap/source/amd64/mem/memcp.S b/zap/source/amd64/mem/memcp.S
deleted file mode 100644
index ac310ae..0000000
--- a/zap/source/amd64/mem/memcp.S
+++ /dev/null
@@ -1,99 +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/.
-
-.globl zap_memcp
-
-zap_memcp:
-# Address of the current input element:
-#define iaddr %rdi
-# Number of remaining bytes:
-#define rem %rsi
-# Address of the current output element:
-#define oaddr %rdx
-# Current element:
-#define val1 %cl
-#define val8 %rcx
-#define val01 %xmm0
-#define val02 %ymm0
-
-#if defined(__AVX__)
- # AVX support 256-bit moves.
-
- # Copy 32 bytes:
-.big02cp:
-
- # Check if there are at least 32 bytes remaining:
- cmpq $0x20,rem # if (rem < 20)
- jl .big01cp # goto big01cp // If not, skip to the 10 byte copying.
-
- # Copy:
- vmovups (iaddr),val02 # val02 = *iaddr
- vmovups val02,(oaddr) # *oaddr = val02
-
- # Continue:
- addq $0x20,iaddr # iaddr += 0x20
- addq $0x20,oaddr # oaddr += 0x20
- subq $0x20,rem # rem -= 0x20
- jmp .big02cp # goto big02cp
-
-#endif
-
- # AMD64 requires SSE(2), so we don't have to test it.
-
- # Copy 16 bytes:
-.big01cp:
-
- # Check if there are at least 16 bytes remaining:
- cmpq $0x10,rem # if (rem < 10)
- jl .wrdcp # goto wrdcp
-
- # Copy:
- movdqu (iaddr),val01 # val01 = *iaddr
- movdqu val01,(oaddr) # *oaddr = val01 
-
- # Continue:
- addq $0x10,iaddr # iaddr += 0x10
- addq $0x10,oaddr # oaddr += 0x10
- subq $0x10,rem # rem -= 0x10
- jmp .big01cp # goto big01cp
-
- # Copy one word (8 bytes):
-.wrdcp:
-
- # Check if there are at least 8 bytes remaining:
- cmpq $0x8,rem # if (rem < 8)
- jl .bytecp # goto bytecp
-
- # Copy:
- movq (iaddr),val8 # val8 = *iaddr
- movq val8,(oaddr) # *oaddr = val8
-
- # Continue:
- addq $0x8,iaddr # iaddr += 0x8
- addq $0x8,oaddr # oaddr += 0x8
- subq $0x8,rem # rem -= 0x8
- jmp .wrdcp # goto wrdcp
-
- # Copy one byte:
-.bytecp:
-
- # Check if we have any bytes remaining:
- testq rem,rem # if (rem == 0x0)
- jz .done # goto done
-
- # Copy:
- movb (iaddr),val1 # val1 = *iaddr
- movb val1,(oaddr) # *oaddr = val1
-
- # Continue:
- incq iaddr # ++iaddr
- incq oaddr # ++oaddr
- decq rem # --rem
- jmp .bytecp # goto bytecp
-
- # Return:
-.done:
-
- ret # return
-
-\ No newline at end of file