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Code Issues Releases Activity

ARM: move add_pixels_clamped_ARM() to dsputil_arm_s.S

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Originally committed as revision 15728 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2008-10-27 00:25:19 +00:00
parent 83ad74e708
commit d2d398590d
2 changed files with 92 additions and 93 deletions
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96
libavcodec/armv4l/dsputil_arm.c
View File

@ -66,98 +66,8 @@ CALL_2X_PIXELS(put_no_rnd_pixels16_x2_arm , put_no_rnd_pixels8_x2_arm , 8)
CALL_2X_PIXELS(put_no_rnd_pixels16_y2_arm , put_no_rnd_pixels8_y2_arm , 8)
CALL_2X_PIXELS(put_no_rnd_pixels16_xy2_arm, put_no_rnd_pixels8_xy2_arm, 8)
static void add_pixels_clamped_ARM(short *block, unsigned char *dest, int line_size)
{
__asm__ volatile (
"mov r10, #8 \n\t"
"1: \n\t"
/* load dest */
"ldr r4, [%1] \n\t"
/* block[0] and block[1]*/
"ldrsh r5, [%0] \n\t"
"ldrsh r7, [%0, #2] \n\t"
"and r6, r4, #0xFF \n\t"
"and r8, r4, #0xFF00 \n\t"
"add r6, r5, r6 \n\t"
"add r8, r7, r8, lsr #8 \n\t"
"mvn r5, r5 \n\t"
"mvn r7, r7 \n\t"
"tst r6, #0x100 \n\t"
"movne r6, r5, lsr #24 \n\t"
"tst r8, #0x100 \n\t"
"movne r8, r7, lsr #24 \n\t"
"mov r9, r6 \n\t"
"ldrsh r5, [%0, #4] \n\t" /* moved form [A] */
"orr r9, r9, r8, lsl #8 \n\t"
/* block[2] and block[3] */
/* [A] */
"ldrsh r7, [%0, #6] \n\t"
"and r6, r4, #0xFF0000 \n\t"
"and r8, r4, #0xFF000000 \n\t"
"add r6, r5, r6, lsr #16 \n\t"
"add r8, r7, r8, lsr #24 \n\t"
"mvn r5, r5 \n\t"
"mvn r7, r7 \n\t"
"tst r6, #0x100 \n\t"
"movne r6, r5, lsr #24 \n\t"
"tst r8, #0x100 \n\t"
"movne r8, r7, lsr #24 \n\t"
"orr r9, r9, r6, lsl #16 \n\t"
"ldr r4, [%1, #4] \n\t" /* moved form [B] */
"orr r9, r9, r8, lsl #24 \n\t"
/* store dest */
"ldrsh r5, [%0, #8] \n\t" /* moved form [C] */
"str r9, [%1] \n\t"
/* load dest */
/* [B] */
/* block[4] and block[5] */
/* [C] */
"ldrsh r7, [%0, #10] \n\t"
"and r6, r4, #0xFF \n\t"
"and r8, r4, #0xFF00 \n\t"
"add r6, r5, r6 \n\t"
"add r8, r7, r8, lsr #8 \n\t"
"mvn r5, r5 \n\t"
"mvn r7, r7 \n\t"
"tst r6, #0x100 \n\t"
"movne r6, r5, lsr #24 \n\t"
"tst r8, #0x100 \n\t"
"movne r8, r7, lsr #24 \n\t"
"mov r9, r6 \n\t"
"ldrsh r5, [%0, #12] \n\t" /* moved from [D] */
"orr r9, r9, r8, lsl #8 \n\t"
/* block[6] and block[7] */
/* [D] */
"ldrsh r7, [%0, #14] \n\t"
"and r6, r4, #0xFF0000 \n\t"
"and r8, r4, #0xFF000000 \n\t"
"add r6, r5, r6, lsr #16 \n\t"
"add r8, r7, r8, lsr #24 \n\t"
"mvn r5, r5 \n\t"
"mvn r7, r7 \n\t"
"tst r6, #0x100 \n\t"
"movne r6, r5, lsr #24 \n\t"
"tst r8, #0x100 \n\t"
"movne r8, r7, lsr #24 \n\t"
"orr r9, r9, r6, lsl #16 \n\t"
"add %0, %0, #16 \n\t" /* moved from [E] */
"orr r9, r9, r8, lsl #24 \n\t"
"subs r10, r10, #1 \n\t" /* moved from [F] */
/* store dest */
"str r9, [%1, #4] \n\t"
/* [E] */
/* [F] */
"add %1, %1, %2 \n\t"
"bne 1b \n\t"
: "+r"(block),
"+r"(dest)
: "r"(line_size)
: "r4", "r5", "r6", "r7", "r8", "r9", "r10", "cc", "memory" );
}
extern void ff_add_pixels_clamped_ARM(short *block, unsigned char *dest,
int line_size);
/* XXX: those functions should be suppressed ASAP when all IDCTs are
converted */
@ -200,7 +110,7 @@ static void simple_idct_ipp_add(uint8_t *dest, int line_size, DCTELEM *block)
#ifdef HAVE_IWMMXT
add_pixels_clamped_iwmmxt(block, dest, line_size);
#else
add_pixels_clamped_ARM(block, dest, line_size);
ff_add_pixels_clamped_ARM(block, dest, line_size);
#endif
}
#endif

89
libavcodec/armv4l/dsputil_arm_s.S
View File

@ -708,3 +708,92 @@ function put_no_rnd_pixels8_xy2_arm, export=1
.word 0xFCFCFCFC >> 2
.word 0x0F0F0F0F
.endfunc
@ void ff_add_pixels_clamped_ARM(int16_t *block, uint8_t *dest, int stride)
function ff_add_pixels_clamped_ARM, export=1
push {r4-r10}
mov r10, #8
1:
ldr r4, [r1] /* load dest */
/* block[0] and block[1]*/
ldrsh r5, [r0]
ldrsh r7, [r0, #2]
and r6, r4, #0xFF
and r8, r4, #0xFF00
add r6, r5, r6
add r8, r7, r8, lsr #8
mvn r5, r5
mvn r7, r7
tst r6, #0x100
movne r6, r5, lsr #24
tst r8, #0x100
movne r8, r7, lsr #24
mov r9, r6
ldrsh r5, [r0, #4] /* moved form [A] */
orr r9, r9, r8, lsl #8
/* block[2] and block[3] */
/* [A] */
ldrsh r7, [r0, #6]
and r6, r4, #0xFF0000
and r8, r4, #0xFF000000
add r6, r5, r6, lsr #16
add r8, r7, r8, lsr #24
mvn r5, r5
mvn r7, r7
tst r6, #0x100
movne r6, r5, lsr #24
tst r8, #0x100
movne r8, r7, lsr #24
orr r9, r9, r6, lsl #16
ldr r4, [r1, #4] /* moved form [B] */
orr r9, r9, r8, lsl #24
/* store dest */
ldrsh r5, [r0, #8] /* moved form [C] */
str r9, [r1]
/* load dest */
/* [B] */
/* block[4] and block[5] */
/* [C] */
ldrsh r7, [r0, #10]
and r6, r4, #0xFF
and r8, r4, #0xFF00
add r6, r5, r6
add r8, r7, r8, lsr #8
mvn r5, r5
mvn r7, r7
tst r6, #0x100
movne r6, r5, lsr #24
tst r8, #0x100
movne r8, r7, lsr #24
mov r9, r6
ldrsh r5, [r0, #12] /* moved from [D] */
orr r9, r9, r8, lsl #8
/* block[6] and block[7] */
/* [D] */
ldrsh r7, [r0, #14]
and r6, r4, #0xFF0000
and r8, r4, #0xFF000000
add r6, r5, r6, lsr #16
add r8, r7, r8, lsr #24
mvn r5, r5
mvn r7, r7
tst r6, #0x100
movne r6, r5, lsr #24
tst r8, #0x100
movne r8, r7, lsr #24
orr r9, r9, r6, lsl #16
add r0, r0, #16 /* moved from [E] */
orr r9, r9, r8, lsl #24
subs r10, r10, #1 /* moved from [F] */
/* store dest */
str r9, [r1, #4]
/* [E] */
/* [F] */
add r1, r1, r2
bne 1b
pop {r4-r10}
bx lr
.endfunc