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-rw-r--r--mdk-stage1/dietlibc/i386/strncmp.S28
1 files changed, 28 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/i386/strncmp.S b/mdk-stage1/dietlibc/i386/strncmp.S
new file mode 100644
index 000000000..bf07b07d0
--- /dev/null
+++ b/mdk-stage1/dietlibc/i386/strncmp.S
@@ -0,0 +1,28 @@
+.text
+.align 0
+.global strncmp
+.type strncmp,@function
+strncmp:
+ push %ebx
+ movl %esp,%ebx
+ movl 12(%ebx),%edx
+ movl 16(%ebx),%ecx
+ movl 8(%ebx),%ebx
+.Lloop:
+ jecxz .Ldone
+ decl %ecx
+ movb (%ebx),%al
+ incl %edx
+ incl %ebx
+ movb %al,%ah
+ subb -1(%edx),%al
+ jnz .Lnotequal
+ testb %ah,%ah
+ jnz .Lloop
+
+.Ldone:
+ xorl %eax,%eax
+.Lnotequal:
+ movsx %al, %eax
+ popl %ebx
+ ret