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| /*
| * Copyright (C) 2004, 2007-2010, 2011-2014 Synopsys, Inc. All rights reserved.
| *
| * SPDX-License-Identifier: GPL-2.0+
| */
|
| #define SMALL 7 /* Must be at least 6 to deal with alignment/loop issues. */
|
| .global memset
| .align 4
| memset:
| mov_s %r4, %r0
| or %r12, %r0, %r2
| bmsk.f %r12, %r12, 1
| extb_s %r1, %r1
| asl %r3, %r1, 8
| beq.d .Laligned
| or_s %r1, %r1, %r3
| brls %r2, SMALL, .Ltiny
| add %r3, %r2, %r0
| stb %r1, [%r3, -1]
| bclr_s %r3, %r3, 0
| stw %r1, [%r3, -2]
| bmsk.f %r12, %r0, 1
| add_s %r2, %r2, %r12
| sub.ne %r2, %r2, 4
| stb.ab %r1, [%r4, 1]
| and %r4, %r4, -2
| stw.ab %r1, [%r4, 2]
| and %r4, %r4, -4
|
| .balign 4
| .Laligned:
| asl %r3, %r1, 16
| lsr.f %lp_count, %r2, 2
| or_s %r1, %r1, %r3
| lpne .Loop_end
| st.ab %r1, [%r4, 4]
| .Loop_end:
| j_s [%blink]
|
| .balign 4
| .Ltiny:
| mov.f %lp_count, %r2
| lpne .Ltiny_end
| stb.ab %r1, [%r4, 1]
| .Ltiny_end:
| j_s [%blink]
|
| /*
| * memzero: @r0 = mem, @r1 = size_t
| * memset: @r0 = mem, @r1 = char, @r2 = size_t
| */
|
| .global memzero
| .align 4
| memzero:
| /* adjust bzero args to memset args */
| mov %r2, %r1
| mov %r1, 0
| /* tail call so need to tinker with blink */
| b memset
|
|
