* Alpha optimized DSP utils
* Copyright (c) 2002 Falk Hueffner <falk@debian.org>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "regdef.h"
-/* Some nicer register names. */
-#define ta t10
-#define tb t11
-#define tc t12
-#define td AT
-/* Danger: these overlap with the argument list and the return value */
-#define te a5
-#define tf a4
-#define tg a3
-#define th v0
-
.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
-
-#if CONFIG_GPROF
- lda AT, _mcount
- jsr AT, (AT), _mcount
-#endif
-
- 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
-
-/************************************************************************
- * void put_pixels_clamped_mvi_asm(const DCTELEM *block, uint8_t *pixels,
+ * void put_pixels_clamped_mvi_asm(const int16_t *block, uint8_t *pixels,
* int line_size)
*/
.align 6
.frame sp, 0, ra
.prologue 0
-#if CONFIG_GPROF
- lda AT, _mcount
- jsr AT, (AT), _mcount
-#endif
-
lda t8, -1
lda t9, 8 # loop counter
zap t8, 0xaa, t8 # 00ff00ff00ff00ff
.end put_pixels_clamped_mvi_asm
/************************************************************************
- * void add_pixels_clamped_mvi_asm(const DCTELEM *block, uint8_t *pixels,
+ * void add_pixels_clamped_mvi_asm(const int16_t *block, uint8_t *pixels,
* int line_size)
*/
.align 6
.frame sp, 0, ra
.prologue 0
-#if CONFIG_GPROF
- lda AT, _mcount
- jsr AT, (AT), _mcount
-#endif
-
lda t1, -1
lda th, 8
zap t1, 0x33, tg