generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

alpha: hpeldsp: Move half-pel assembly from dsputil to hpeldsp

Browse Source 
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Ronald S. Bultje
2013-03-10 16:53:07 -07:00
committed by Martin Storsjö
parent 78ce568e43
commit 2957d29f05
10 changed files with 381 additions and 290 deletions
Download Patch File Download Diff File Expand all files Collapse all files

103
libavcodec/alpha/dsputil_alpha_asm.S
View File

@@ -26,114 +26,11 @@
#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
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 int16_t *block, uint8_t *pixels,
* int line_size)