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-rw-r--r--arch/m32r/lib/memcpy.S93
1 files changed, 0 insertions, 93 deletions
diff --git a/arch/m32r/lib/memcpy.S b/arch/m32r/lib/memcpy.S
deleted file mode 100644
index 249da3e3358d..000000000000
--- a/arch/m32r/lib/memcpy.S
+++ /dev/null
@@ -1,93 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * linux/arch/m32r/lib/memcpy.S
- *
- * Copyright (C) 2001 Hiroyuki Kondo, and Hirokazu Takata
- * Copyright (C) 2004 Hirokazu Takata
- *
- * void *memcopy(void *dst, const void *src, int n);
- *
- * dst: r0
- * src: r1
- * n : r2
- */
-
- .text
-#include <linux/linkage.h>
-#include <asm/assembler.h>
-
-#ifdef CONFIG_ISA_DUAL_ISSUE
-
- .text
-ENTRY(memcpy)
-memcopy:
- mv r4, r0 || mv r7, r0
- or r7, r1 || cmpz r2
- jc r14 || cmpeq r0, r1 ; return if r2=0
- jc r14 ; return if r0=r1
-
- and3 r7, r7, #3
- bnez r7, byte_copy
- srl3 r3, r2, #2
- and3 r2, r2, #3
- beqz r3, byte_copy
- addi r4, #-4
-word_copy:
- ld r7, @r1+ || addi r3, #-1
- st r7, @+r4 || cmpz r2
- bnez r3, word_copy
- addi r4, #4 || jc r14 ; return if r2=0
-#if defined(CONFIG_ISA_M32R2)
-byte_copy:
- ldb r7, @r1 || addi r1, #1
- addi r2, #-1 || stb r7, @r4+
- bnez r2, byte_copy
-#elif defined(CONFIG_ISA_M32R)
-byte_copy:
- ldb r7, @r1 || addi r1, #1
- addi r2, #-1 || stb r7, @r4
- addi r4, #1
- bnez r2, byte_copy
-#else
-#error unknown isa configuration
-#endif
-end_memcopy:
- jmp r14
-
-#else /* not CONFIG_ISA_DUAL_ISSUE */
-
- .text
-ENTRY(memcpy)
-memcopy:
- mv r4, r0
- mv r7, r0
- or r7, r1
- beq r0, r1, end_memcopy
- beqz r2, end_memcopy
-
- and3 r7, r7, #3
- bnez r7, byte_copy
- srl3 r3, r2, #2
- and3 r2, r2, #3
- beqz r3, byte_copy
- addi r4, #-4
-word_copy:
- ld r7, @r1+
- addi r3, #-1
- st r7, @+r4
- bnez r3, word_copy
- beqz r2, end_memcopy
- addi r4, #4
-byte_copy:
- ldb r7, @r1
- addi r1, #1
- addi r2, #-1
- stb r7, @r4
- addi r4, #1
- bnez r2, byte_copy
-end_memcopy:
- jmp r14
-
-#endif /* not CONFIG_ISA_DUAL_ISSUE */
-
- .end
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