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-rw-r--r--arch/m32r/lib/strlen.S118
1 files changed, 0 insertions, 118 deletions
diff --git a/arch/m32r/lib/strlen.S b/arch/m32r/lib/strlen.S
deleted file mode 100644
index 41c77e387593..000000000000
--- 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