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-rw-r--r--mdk-stage1/dietlibc/i386/memccpy.S39
1 files changed, 39 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/i386/memccpy.S b/mdk-stage1/dietlibc/i386/memccpy.S
new file mode 100644
index 000000000..0b7dce49e
--- /dev/null
+++ b/mdk-stage1/dietlibc/i386/memccpy.S
@@ -0,0 +1,39 @@
+/*
+ Copyright (C) 2002 Thomas M. Ogrisegg
+
+ This is free software. You can redistribute and
+ modify it under the terms of the GNU General Public
+ Public License.
+
+ memccpy.S
+ i386 assembler implementation of memccpy(3)
+*/
+
+.text
+.global memccpy
+.type memccpy,@function
+memccpy:
+ pushl %esi
+ pushl %edi
+
+ movl %esp, %ecx
+ movl 0x0c(%ecx), %edi
+ movl 0x10(%ecx), %esi
+ movb 0x14(%ecx), %dl
+ movl 0x18(%ecx), %ecx
+ cld
+.Lloop:
+ lodsb
+ stosb
+ cmp %al, %dl
+ jz .Lout
+ decl %ecx
+ jnz .Lloop
+ xorl %edi, %edi
+.Lout:
+ movl %edi, %eax
+ popl %edi
+ popl %esi
+ ret
+.Lende:
+.size memccpy,.Lende-memccpy