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-rw-r--r--src/u_strncmp.S81
1 files changed, 0 insertions, 81 deletions
diff --git a/src/u_strncmp.S b/src/u_strncmp.S
deleted file mode 100644
index 694ae0f..0000000
--- a/src/u_strncmp.S
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * ========================
- * ===== ===============
- * ====== ================
- * ====== ================
- * ====== ==== ==== ==
- * ====== === == = =
- * ====== === = == =
- * = === === = == ====
- * = === === = == = =
- * == ===== ==== ==
- * ========================
- *
- * SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright (c) 2020 Joe
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the organization nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY JOE ''AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL JOE BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * bsdsetsid: src/u_strncmp.S
- * 2020-11-21 18:47
- * Joe
- *
- * General error handling happen here.
- */
-
-.text
-.globl u_strncmp
-
-u_strncmp:
- xor %rcx, %rcx
- dec %rdx
-.u.loop:
- xor %r8, %r8
- xor %r9, %r9
- movb (%rdi, %rcx), %r8b
- movb (%rsi, %rcx), %r9b
- cmpb %r8b, %r9b
- jne .u.retdiff
- cmp %rdx, %rcx
- jge .u.retdiff
- cmpb $0x0, (%rdi, %rcx)
- jne .u.inc
- cmpb $0x0, (%rsi, %rcx)
- je .u.retzer
-.u.inc:
- inc %rcx
- jmp .u.loop
-.u.retdiff:
- xor %r8, %r8
- xor %r9, %r9
- movb (%rdi, %rcx), %r8b
- movb (%rsi, %rcx), %r9b
- sub %r9, %r8
- xor %rax, %rax
- movl %r8d, %eax
- ret
-.u.retzer:
- xor %rax, %rax
- ret