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| ;; SPDX-License-Identifier: GPL-2.0-or-later
| ;; Copyright 2010 Free Software Foundation, Inc.
| ;; Contributed by Bernd Schmidt <bernds@codesourcery.com>.
| ;;
|
| #include <linux/linkage.h>
|
| .text
|
| ENTRY(__c6xabi_strasgi)
| ;; This is essentially memcpy, with alignment known to be at least
| ;; 4, and the size a multiple of 4 greater than or equal to 28.
| ldw .d2t1 *B4++, A0
| || mvk .s2 16, B1
| ldw .d2t1 *B4++, A1
| || mvk .s2 20, B2
| || sub .d1 A6, 24, A6
| ldw .d2t1 *B4++, A5
| ldw .d2t1 *B4++, A7
| || mv .l2x A6, B7
| ldw .d2t1 *B4++, A8
| ldw .d2t1 *B4++, A9
| || mv .s2x A0, B5
| || cmpltu .l2 B2, B7, B0
|
| _strasgi_loop:
| stw .d1t2 B5, *A4++
| || [B0] ldw .d2t1 *B4++, A0
| || mv .s2x A1, B5
| || mv .l2 B7, B6
|
| [B0] sub .d2 B6, 24, B7
| || [B0] b .s2 _strasgi_loop
| || cmpltu .l2 B1, B6, B0
|
| [B0] ldw .d2t1 *B4++, A1
| || stw .d1t2 B5, *A4++
| || mv .s2x A5, B5
| || cmpltu .l2 12, B6, B0
|
| [B0] ldw .d2t1 *B4++, A5
| || stw .d1t2 B5, *A4++
| || mv .s2x A7, B5
| || cmpltu .l2 8, B6, B0
|
| [B0] ldw .d2t1 *B4++, A7
| || stw .d1t2 B5, *A4++
| || mv .s2x A8, B5
| || cmpltu .l2 4, B6, B0
|
| [B0] ldw .d2t1 *B4++, A8
| || stw .d1t2 B5, *A4++
| || mv .s2x A9, B5
| || cmpltu .l2 0, B6, B0
|
| [B0] ldw .d2t1 *B4++, A9
| || stw .d1t2 B5, *A4++
| || mv .s2x A0, B5
| || cmpltu .l2 B2, B7, B0
|
| ;; loop back branch happens here
|
| cmpltu .l2 B1, B6, B0
| || ret .s2 b3
|
| [B0] stw .d1t1 A1, *A4++
| || cmpltu .l2 12, B6, B0
| [B0] stw .d1t1 A5, *A4++
| || cmpltu .l2 8, B6, B0
| [B0] stw .d1t1 A7, *A4++
| || cmpltu .l2 4, B6, B0
| [B0] stw .d1t1 A8, *A4++
| || cmpltu .l2 0, B6, B0
| [B0] stw .d1t1 A9, *A4++
|
| ;; return happens here
| ENDPROC(__c6xabi_strasgi)
|
|
