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-rw-r--r--arch/blackfin/lib/memmove.S93
1 files changed, 0 insertions, 93 deletions
diff --git a/arch/blackfin/lib/memmove.S b/arch/blackfin/lib/memmove.S
deleted file mode 100644
index e0b78208f1d6..000000000000
--- a/arch/blackfin/lib/memmove.S
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * Copyright 2005-2009 Analog Devices Inc.
- *
- * Licensed under the Clear BSD license or the GPL-2 (or later)
- */
-
-#include <linux/linkage.h>
-
-.align 2
-
-/*
- * C Library function MEMMOVE
- * R0 = To Address (leave unchanged to form result)
- * R1 = From Address
- * R2 = count
- * Data may overlap
- */
-
-ENTRY(_memmove)
- I1 = P3;
- P0 = R0; /* P0 = To address */
- P3 = R1; /* P3 = From Address */
- P2 = R2; /* P2 = count */
- CC = P2 == 0; /* Check zero count*/
- IF CC JUMP .Lfinished; /* very unlikely */
-
- CC = R1 < R0 (IU); /* From < To */
- IF !CC JUMP .Lno_overlap;
- R3 = R1 + R2;
- CC = R0 <= R3 (IU); /* (From+len) >= To */
- IF CC JUMP .Loverlap;
-.Lno_overlap:
- R3 = 11;
- CC = R2 <= R3;
- IF CC JUMP .Lbytes;
- R3 = R1 | R0; /* OR addresses together */
- R3 <<= 30; /* check bottom two bits */
- CC = AZ; /* AZ set if zero.*/
- IF !CC JUMP .Lbytes; /* Jump if addrs not aligned.*/
-
- I0 = P3;
- P1 = P2 >> 2; /* count = n/4 */
- P1 += -1;
- R3 = 3;
- R2 = R2 & R3; /* remainder */
- P2 = R2; /* set remainder */
- R1 = [I0++];
-
- LSETUP (.Lquad_loops, .Lquad_loope) LC0=P1;
-#if ANOMALY_05000202
-.Lquad_loops:
- [P0++] = R1;
-.Lquad_loope:
- R1 = [I0++];
-#else
-.Lquad_loops:
-.Lquad_loope:
- MNOP || [P0++] = R1 || R1 = [I0++];
-#endif
- [P0++] = R1;
-
- CC = P2 == 0; /* any remaining bytes? */
- P3 = I0; /* Amend P3 to updated ptr. */
- IF !CC JUMP .Lbytes;
- P3 = I1;
- RTS;
-
-.Lbytes: LSETUP (.Lbyte2_s, .Lbyte2_e) LC0=P2;
-.Lbyte2_s: R1 = B[P3++](Z);
-.Lbyte2_e: B[P0++] = R1;
-
-.Lfinished: P3 = I1;
- RTS;
-
-.Loverlap:
- P2 += -1;
- P0 = P0 + P2;
- P3 = P3 + P2;
- R1 = B[P3--] (Z);
- CC = P2 == 0;
- IF CC JUMP .Lno_loop;
-#if ANOMALY_05000245
- NOP;
- NOP;
-#endif
- LSETUP (.Lol_s, .Lol_e) LC0 = P2;
-.Lol_s: B[P0--] = R1;
-.Lol_e: R1 = B[P3--] (Z);
-.Lno_loop: B[P0] = R1;
- P3 = I1;
- RTS;
-
-ENDPROC(_memmove)