arch: remove m32r port

[linux-2.6-microblaze.git] / arch / m32r / lib / strlen.S

diff --git a/arch/m32r/lib/strlen.S b/arch/m32r/lib/strlen.S
deleted file mode 100644 (file)
index 41c77e3..0000000
--- a/arch/m32r/lib/strlen.S
+++ /dev/null
@@ -1,118 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- *  linux/arch/m32r/strlen.S --  strlen code.
- *
- *  Copyright (C) 2001  Hirokazu Takata
- *
- *  size_t strlen(const char *s);
- *
- */
-
-#include <linux/linkage.h>
-#include <asm/assembler.h>
-
-#ifdef CONFIG_ISA_DUAL_ISSUE
-
-       .text
-ENTRY(strlen)
-       mv      r6, r0              ||  ldi     r2, #0
-       and3    r0, r0, #3
-       bnez    r0, strlen_byte
-;
-strlen_word:
-       ld      r0, @r6+
-;
-       seth    r5, #high(0x01010101)
-       or3     r5, r5, #low(0x01010101)
-       sll3    r7, r5, #7
-strlen_word_loop:
-       ld      r1, @r6+            ||  not     r4, r0
-       sub     r0, r5              ||  and     r4, r7
-       and     r4, r0
-       bnez    r4, strlen_last_bytes
-       ld      r0, @r6+            ||  not     r4, r1
-       sub     r1, r5              ||  and     r4, r7
-       and     r4, r1              ||  addi    r2, #4
-       bnez    r4, strlen_last_bytes
-       addi    r2, #4              ||  bra.s   strlen_word_loop
-
-       ; NOTE: If a null char. exists, return 0.
-       ; if ((x - 0x01010101) & ~x & 0x80808080)
-       ;     return 0;
-;
-strlen_byte:
-       ldb     r1, @r6             ||  addi    r6, #1
-       beqz    r1, strlen_exit
-       addi    r2, #1              ||  bra.s   strlen_byte
-;
-strlen_last_bytes:
-       ldi     r0, #4              ||  addi    r6, #-8
-;
-strlen_byte_loop:
-       ldb     r1, @r6             ||  addi    r6, #1
-       addi    r0, #-1             ||  cmpz    r1
-       bc.s    strlen_exit         ||  cmpz    r0
-       addi    r2, #1              ||  bnc.s   strlen_byte_loop
-;
-strlen_exit:
-       mv      r0, r2              ||  jmp     r14
-
-#else /* not CONFIG_ISA_DUAL_ISSUE */
-
-       .text
-ENTRY(strlen)
-       mv      r6, r0
-       ldi     r2, #0
-       and3    r0, r0, #3
-       bnez    r0, strlen_byte
-;
-strlen_word:
-       ld      r0, @r6+
-;
-       seth    r5, #high(0x01010101)
-       or3     r5, r5, #low(0x01010101)
-       sll3    r7, r5, #7
-strlen_word_loop:
-       ld      r1, @r6+
-       not     r4, r0          ; NOTE: If a null char. exists, return 0.
-       sub     r0, r5          ; if ((x - 0x01010101) & ~x & 0x80808080)
-       and     r4, r7          ;     return 0;
-       and     r4, r0
-       bnez    r4, strlen_last_bytes
-       addi    r2, #4
-;
-       ld      r0, @r6+
-       not     r4, r1          ; NOTE: If a null char. exists, return 0.
-       sub     r1, r5          ; if ((x - 0x01010101) & ~x & 0x80808080)
-       and     r4, r7          ;     return 0;
-       and     r4, r1
-       bnez    r4, strlen_last_bytes
-       addi    r2, #4
-       bra     strlen_word_loop
-;
-strlen_byte:
-       ldb     r1, @r6
-       addi    r6, #1
-       beqz    r1, strlen_exit
-       addi    r2, #1
-       bra     strlen_byte
-;
-strlen_last_bytes:
-       ldi     r0, #4
-       addi    r6, #-8
-;
-strlen_byte_loop:
-       ldb     r1, @r6
-       addi    r6, #1
-       addi    r0, #-1
-       beqz    r1, strlen_exit
-       addi    r2, #1
-       bnez    r0, strlen_byte_loop
-;
-strlen_exit:
-       mv      r0, r2
-       jmp     r14
-
-#endif /* not CONFIG_ISA_DUAL_ISSUE */
-
-       .end