| /* |
| * Alpha optimized DSP utils |
| * Copyright (c) 2002 Falk Hueffner <falk@debian.org> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /* |
| * These functions are scheduled for pca56. They should work |
| * reasonably on ev6, though. |
| */ |
| |
| #include "regdef.h" |
| |
| |
| .set noat |
| .set noreorder |
| .arch pca56 |
| .text |
| |
| /************************************************************************ |
| * void put_pixels_axp_asm(uint8_t *block, const uint8_t *pixels, |
| * int line_size, int h) |
| */ |
| .align 6 |
| .globl put_pixels_axp_asm |
| .ent put_pixels_axp_asm |
| put_pixels_axp_asm: |
| .frame sp, 0, ra |
| .prologue 0 |
| |
| and a1, 7, t0 |
| beq t0, $aligned |
| |
| .align 4 |
| $unaligned: |
| ldq_u t0, 0(a1) |
| ldq_u t1, 8(a1) |
| addq a1, a2, a1 |
| nop |
| |
| ldq_u t2, 0(a1) |
| ldq_u t3, 8(a1) |
| addq a1, a2, a1 |
| nop |
| |
| ldq_u t4, 0(a1) |
| ldq_u t5, 8(a1) |
| addq a1, a2, a1 |
| nop |
| |
| ldq_u t6, 0(a1) |
| ldq_u t7, 8(a1) |
| extql t0, a1, t0 |
| addq a1, a2, a1 |
| |
| extqh t1, a1, t1 |
| addq a0, a2, t8 |
| extql t2, a1, t2 |
| addq t8, a2, t9 |
| |
| extqh t3, a1, t3 |
| addq t9, a2, ta |
| extql t4, a1, t4 |
| or t0, t1, t0 |
| |
| extqh t5, a1, t5 |
| or t2, t3, t2 |
| extql t6, a1, t6 |
| or t4, t5, t4 |
| |
| extqh t7, a1, t7 |
| or t6, t7, t6 |
| stq t0, 0(a0) |
| stq t2, 0(t8) |
| |
| stq t4, 0(t9) |
| subq a3, 4, a3 |
| stq t6, 0(ta) |
| addq ta, a2, a0 |
| |
| bne a3, $unaligned |
| ret |
| |
| .align 4 |
| $aligned: |
| ldq t0, 0(a1) |
| addq a1, a2, a1 |
| ldq t1, 0(a1) |
| addq a1, a2, a1 |
| |
| ldq t2, 0(a1) |
| addq a1, a2, a1 |
| ldq t3, 0(a1) |
| |
| addq a0, a2, t4 |
| addq a1, a2, a1 |
| addq t4, a2, t5 |
| subq a3, 4, a3 |
| |
| stq t0, 0(a0) |
| addq t5, a2, t6 |
| stq t1, 0(t4) |
| addq t6, a2, a0 |
| |
| stq t2, 0(t5) |
| stq t3, 0(t6) |
| |
| bne a3, $aligned |
| ret |
| .end put_pixels_axp_asm |
