arch: remove blackfin port

[sfrench/cifs-2.6.git] / arch / blackfin / lib / memcpy.S

diff --git a/arch/blackfin/lib/memcpy.S b/arch/blackfin/lib/memcpy.S
deleted file mode 100644 (file)
index 53cb369..0000000
--- a/arch/blackfin/lib/memcpy.S
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * internal version of memcpy(), issued by the compiler to copy blocks of
- * data around. This is really memmove() - it has to be able to deal with
- * possible overlaps, because that ambiguity is when the compiler gives up
- * and calls a function. We have our own, internal version so that we get
- * something we trust, even if the user has redefined the normal symbol.
- *
- * Copyright 2004-2009 Analog Devices Inc.
- *
- * Licensed under the Clear BSD license or the GPL-2 (or later)
- */
-
-#include <linux/linkage.h>
-
-/* void *memcpy(void *dest, const void *src, size_t n);
- * R0 = To Address (dest) (leave unchanged to form result)
- * R1 = From Address (src)
- * R2 = count
- *
- * Note: Favours word alignment
- */
-
-#ifdef CONFIG_MEMCPY_L1
-.section .l1.text
-#else
-.text
-#endif
-
-.align 2
-
-ENTRY(_memcpy)
-       CC = R2 <=  0;  /* length not positive? */
-       IF CC JUMP .L_P1L2147483647;    /* Nothing to do */
-
-       P0 = R0 ;       /* dst*/
-       P1 = R1 ;       /* src*/
-       P2 = R2 ;       /* length */
-
-       /* check for overlapping data */
-       CC = R1 < R0;   /* src < dst */
-       IF !CC JUMP .Lno_overlap;
-       R3 = R1 + R2;
-       CC = R0 < R3;   /* and dst < src+len */
-       IF CC JUMP .Lhas_overlap;
-
-.Lno_overlap:
-       /* Check for aligned data.*/
-
-       R3 = R1 | R0;
-       R1 = 0x3;
-       R3 = R3 & R1;
-       CC = R3;        /* low bits set on either address? */
-       IF CC JUMP .Lnot_aligned;
-
-       /* Both addresses are word-aligned, so we can copy
-       at least part of the data using word copies.*/
-       P2 = P2 >> 2;
-       CC = P2 <= 2;
-       IF !CC JUMP .Lmore_than_seven;
-       /* less than eight bytes... */
-       P2 = R2;
-       LSETUP(.Lthree_start, .Lthree_end) LC0=P2;
-.Lthree_start:
-       R3 = B[P1++] (X);
-.Lthree_end:
-       B[P0++] = R3;
-
-       RTS;
-
-.Lmore_than_seven:
-       /* There's at least eight bytes to copy. */
-       P2 += -1;       /* because we unroll one iteration */
-       LSETUP(.Lword_loops, .Lword_loope) LC0=P2;
-       I1 = P1;
-       R3 = [I1++];
-#if ANOMALY_05000202
-.Lword_loops:
-       [P0++] = R3;
-.Lword_loope:
-       R3 = [I1++];
-#else
-.Lword_loops:
-.Lword_loope:
-       MNOP || [P0++] = R3 || R3 = [I1++];
-#endif
-       [P0++] = R3;
-       /* Any remaining bytes to copy? */
-       R3 = 0x3;
-       R3 = R2 & R3;
-       CC = R3 == 0;
-       P1 = I1;        /* in case there's something left, */
-       IF !CC JUMP .Lbytes_left;
-       RTS;
-.Lbytes_left:  P2 = R3;
-.Lnot_aligned:
-       /* From here, we're copying byte-by-byte. */
-       LSETUP (.Lbyte_start, .Lbyte_end) LC0=P2;
-.Lbyte_start:
-       R1 = B[P1++] (X);
-.Lbyte_end:
-       B[P0++] = R1;
-
-.L_P1L2147483647:
-       RTS;
-
-.Lhas_overlap:
-       /* Need to reverse the copying, because the
-        * dst would clobber the src.
-        * Don't bother to work out alignment for
-        * the reverse case.
-        */
-       P0 = P0 + P2;
-       P0 += -1;
-       P1 = P1 + P2;
-       P1 += -1;
-       LSETUP(.Lover_start, .Lover_end) LC0=P2;
-.Lover_start:
-       R1 = B[P1--] (X);
-.Lover_end:
-       B[P0--] = R1;
-
-       RTS;
-
-ENDPROC(_memcpy)