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-rw-r--r--arch/m32r/lib/memset.S179
1 files changed, 0 insertions, 179 deletions
diff --git a/arch/m32r/lib/memset.S b/arch/m32r/lib/memset.S
deleted file mode 100644
index e7f45e6c73f5..000000000000
--- a/arch/m32r/lib/memset.S
+++ /dev/null
@@ -1,179 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * linux/arch/m32r/lib/memset.S
- *
- * Copyright (C) 2001,2002 Hiroyuki Kondo, and Hirokazu Takata
- * Copyright (C) 2004 Hirokazu Takata
- *
- * void *memset(void *dst, int val, int len);
- *
- * dst: r0
- * val: r1
- * len: r2
- * ret: r0
- *
- */
-
- .text
- .global memset
-
-#ifdef CONFIG_ISA_DUAL_ISSUE
-
- .align 4
-memset:
- mv r4, r0 || cmpz r2
- jc r14
- cmpui r2, #16
- bnc qword_align_check
- cmpui r2, #4
- bc byte_set
-word_align_check: /* len >= 4 */
- and3 r3, r4, #3
- beqz r3, word_set
- addi r3, #-4
- neg r3, r3 /* r3 = -(r3 - 4) */
-align_word:
- stb r1, @r4 || addi r4, #1
- addi r2, #-1 || addi r3, #-1
- bnez r3, align_word
- cmpui r2, #4
- bc byte_set
-word_set:
- and3 r1, r1, #0x00ff /* r1: abababab <-- ??????ab */
- sll3 r3, r1, #8
- or r1, r3 || addi r4, #-4
- sll3 r3, r1, #16
- or r1, r3 || addi r2, #-4
-word_set_loop:
- st r1, @+r4 || addi r2, #-4
- bgtz r2, word_set_loop
- bnez r2, byte_set_wrap
- st r1, @+r4
- jmp r14
-
-qword_align_check: /* len >= 16 */
- and3 r3, r4, #15
- bnez r3, word_align_check
-qword_set:
- and3 r1, r1, #0x00ff /* r1: abababab <-- ??????ab */
- sll3 r3, r1, #8
- or r1, r3 || addi r4, #-4
- sll3 r3, r1, #16
- or r1, r3 || ldi r5, #16
-qword_set_loop:
- ld r3, @(4,r4) /* cache line allocate */
- st r1, @+r4 || addi r2, #-16
- st r1, @+r4 || cmpu r2, r5
- st r1, @+r4
- st r1, @+r4
- bnc qword_set_loop || cmpz r2
- jc r14
-set_remainder:
- cmpui r2, #4
- bc byte_set_wrap1
- addi r2, #-4
- bra word_set_loop
-
-byte_set_wrap:
- addi r2, #4
- cmpz r2
- jc r14
-byte_set_wrap1:
- addi r4, #4
-#if defined(CONFIG_ISA_M32R2)
-byte_set:
- addi r2, #-1 || stb r1, @r4+
- bnez r2, byte_set
-#elif defined(CONFIG_ISA_M32R)
-byte_set:
- addi r2, #-1 || stb r1, @r4
- addi r4, #1
- bnez r2, byte_set
-#else
-#error unknown isa configuration
-#endif
-end_memset:
- jmp r14
-
-#else /* not CONFIG_ISA_DUAL_ISSUE */
-
- .align 4
-memset:
- mv r4, r0
- beqz r2, end_memset
- cmpui r2, #16
- bnc qword_align_check
- cmpui r2, #4
- bc byte_set
-word_align_check: /* len >= 4 */
- and3 r3, r4, #3
- beqz r3, word_set
- addi r3, #-4
- neg r3, r3 /* r3 = -(r3 - 4) */
-align_word:
- stb r1, @r4
- addi r4, #1
- addi r2, #-1
- addi r3, #-1
- bnez r3, align_word
- cmpui r2, #4
- bc byte_set
-word_set:
- and3 r1, r1, #0x00ff /* r1: abababab <-- ??????ab */
- sll3 r3, r1, #8
- or r1, r3
- sll3 r3, r1, #16
- or r1, r3
- addi r2, #-4
- addi r4, #-4
-word_set_loop:
- st r1, @+r4
- addi r2, #-4
- bgtz r2, word_set_loop
- bnez r2, byte_set_wrap
- st r1, @+r4
- jmp r14
-
-qword_align_check: /* len >= 16 */
- and3 r3, r4, #15
- bnez r3, word_align_check
-qword_set:
- and3 r1, r1, #0x00ff /* r1: abababab <-- ??????ab */
- sll3 r3, r1, #8
- or r1, r3
- sll3 r3, r1, #16
- or r1, r3
- addi r4, #-4
-qword_set_loop:
- ld r3, @(4,r4) /* cache line allocate */
- addi r2, #-16
- st r1, @+r4
- st r1, @+r4
- cmpui r2, #16
- st r1, @+r4
- st r1, @+r4
- bnc qword_set_loop
- bnez r2, set_remainder
- jmp r14
-set_remainder:
- cmpui r2, #4
- bc byte_set_wrap1
- addi r2, #-4
- bra word_set_loop
-
-byte_set_wrap:
- addi r2, #4
- beqz r2, end_memset
-byte_set_wrap1:
- addi r4, #4
-byte_set:
- addi r2, #-1
- stb r1, @r4
- addi r4, #1
- bnez r2, byte_set
-end_memset:
- jmp r14
-
-#endif /* not CONFIG_ISA_DUAL_ISSUE */
-
- .end
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