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-rw-r--r--arch/blackfin/lib/memcmp.S90
1 files changed, 0 insertions, 90 deletions
diff --git a/arch/blackfin/lib/memcmp.S b/arch/blackfin/lib/memcmp.S
deleted file mode 100644
index c8a5bed..0000000
--- a/arch/blackfin/lib/memcmp.S
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * File: memcmp.S
- *
- * Copyright 2004-2007 Analog Devices Inc.
- * Enter bugs at http://blackfin.uclinux.org/
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-.align 2
-
-/*
- * C Library function MEMCMP
- * R0 = First Address
- * R1 = Second Address
- * R2 = count
- * Favours word aligned data.
- */
-
-.globl _memcmp;
-.type _memcmp, STT_FUNC;
-_memcmp:
- I1 = P3;
- P0 = R0; /* P0 = s1 address */
- P3 = R1; /* P3 = s2 Address */
- P2 = R2 ; /* P2 = count */
- CC = R2 <= 7(IU);
- IF CC JUMP .Ltoo_small;
- I0 = R1; /* s2 */
- R1 = R1 | R0; /* OR addresses together */
- R1 <<= 30; /* check bottom two bits */
- CC = AZ; /* AZ set if zero. */
- IF !CC JUMP .Lbytes ; /* Jump if addrs not aligned. */
-
- P1 = P2 >> 2; /* count = n/4 */
- R3 = 3;
- R2 = R2 & R3; /* remainder */
- P2 = R2; /* set remainder */
-
- LSETUP (.Lquad_loop_s , .Lquad_loop_e) LC0=P1;
-.Lquad_loop_s:
- NOP;
- R0 = [P0++];
- R1 = [I0++];
- CC = R0 == R1;
- IF !CC JUMP .Lquad_different;
-.Lquad_loop_e:
- NOP;
-
- P3 = I0; /* s2 */
-.Ltoo_small:
- CC = P2 == 0; /* Check zero count*/
- IF CC JUMP .Lfinished; /* very unlikely*/
-
-.Lbytes:
- LSETUP (.Lbyte_loop_s , .Lbyte_loop_e) LC0=P2;
-.Lbyte_loop_s:
- R1 = B[P3++](Z); /* *s2 */
- R0 = B[P0++](Z); /* *s1 */
- CC = R0 == R1;
- IF !CC JUMP .Ldifferent;
-.Lbyte_loop_e:
- NOP;
-
-.Ldifferent:
- R0 = R0 - R1;
- P3 = I1;
- RTS;
-
-.Lquad_different:
-/* We've read two quads which don't match.
- * Can't just compare them, because we're
- * a little-endian machine, so the MSBs of
- * the regs occur at later addresses in the
- * string.
- * Arrange to re-read those two quads again,
- * byte-by-byte.
- */
- P0 += -4; /* back up to the start of the */
- P3 = I0; /* quads, and increase the*/
- P2 += 4; /* remainder count*/
- P3 += -4;
- JUMP .Lbytes;
-
-.Lfinished:
- R0 = 0;
- P3 = I1;
- RTS;
-
-.size _memcmp, .-_memcmp