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SIMD-accelerated integer convsamp routine for MIPS DSPr2

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This commit is contained in:
DRC
2013-10-12 21:39:20 +00:00
parent 3c6b1ba545
commit c6c8c7911f
3 changed files with 170 additions and 0 deletions
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4
simd/jsimd.h
View File

@@ -651,6 +651,10 @@ EXTERN(void) jsimd_convsamp_neon JPP((JSAMPARRAY sample_data,
JDIMENSION start_col,
DCTELEM * workspace));
EXTERN(void) jsimd_convsamp_mips_dspr2 JPP((JSAMPARRAY sample_data,
JDIMENSION start_col,
DCTELEM * workspace));
EXTERN(void) jsimd_convsamp_float_3dnow JPP((JSAMPARRAY sample_data,
JDIMENSION start_col,
FAST_FLOAT * workspace));

17
simd/jsimd_mips.c
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@@ -453,6 +453,21 @@ jsimd_h2v1_merged_upsample (j_decompress_ptr cinfo,
GLOBAL(int)
jsimd_can_convsamp (void)
{
init_simd();
/* The code is optimised for these values only */
if (DCTSIZE != 8)
return 0;
if (BITS_IN_JSAMPLE != 8)
return 0;
if (sizeof(JDIMENSION) != 4)
return 0;
if (sizeof(DCTELEM) != 2)
return 0;
if (simd_support & JSIMD_MIPS_DSPR2)
return 1;
return 0;
}
@@ -483,6 +498,8 @@ GLOBAL(void)
jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col,
DCTELEM * workspace)
{
if (simd_support & JSIMD_MIPS_DSPR2)
jsimd_convsamp_mips_dspr2(sample_data, start_col, workspace);
}
GLOBAL(void)

149
simd/jsimd_mips_dspr2.S
View File

@@ -2812,6 +2812,155 @@ LEAF_MIPS_DSPR2(jsimd_idct_12x12_pass2_mips_dspr2)
END(jsimd_idct_12x12_pass2_mips_dspr2)
/*****************************************************************************/
LEAF_MIPS_DSPR2(jsimd_convsamp_mips_dspr2)
/*
* a0 - sample_data
* a1 - start_col
* a2 - workspace
*/
lw t0, 0(a0)
li t7, 0xff80ff80
addu t0, t0, a1
ulw t1, 0(t0)
ulw t2, 4(t0)
preceu.ph.qbr t3, t1
preceu.ph.qbl t4, t1
lw t0, 4(a0)
preceu.ph.qbr t5, t2
preceu.ph.qbl t6, t2
addu t0, t0, a1
addu.ph t3, t3, t7
addu.ph t4, t4, t7
ulw t1, 0(t0)
ulw t2, 4(t0)
addu.ph t5, t5, t7
addu.ph t6, t6, t7
usw t3, 0(a2)
usw t4, 4(a2)
preceu.ph.qbr t3, t1
preceu.ph.qbl t4, t1
usw t5, 8(a2)
usw t6, 12(a2)
lw t0, 8(a0)
preceu.ph.qbr t5, t2
preceu.ph.qbl t6, t2
addu t0, t0, a1
addu.ph t3, t3, t7
addu.ph t4, t4, t7
ulw t1, 0(t0)
ulw t2, 4(t0)
addu.ph t5, t5, t7
addu.ph t6, t6, t7
usw t3, 16(a2)
usw t4, 20(a2)
preceu.ph.qbr t3, t1
preceu.ph.qbl t4, t1
usw t5, 24(a2)
usw t6, 28(a2)
lw t0, 12(a0)
preceu.ph.qbr t5, t2
preceu.ph.qbl t6, t2
addu t0, t0, a1
addu.ph t3, t3, t7
addu.ph t4, t4, t7
ulw t1, 0(t0)
ulw t2, 4(t0)
addu.ph t5, t5, t7
addu.ph t6, t6, t7
usw t3, 32(a2)
usw t4, 36(a2)
preceu.ph.qbr t3, t1
preceu.ph.qbl t4, t1
usw t5, 40(a2)
usw t6, 44(a2)
lw t0, 16(a0)
preceu.ph.qbr t5, t2
preceu.ph.qbl t6, t2
addu t0, t0, a1
addu.ph t3, t3, t7
addu.ph t4, t4, t7
ulw t1, 0(t0)
ulw t2, 4(t0)
addu.ph t5, t5, t7
addu.ph t6, t6, t7
usw t3, 48(a2)
usw t4, 52(a2)
preceu.ph.qbr t3, t1
preceu.ph.qbl t4, t1
usw t5, 56(a2)
usw t6, 60(a2)
lw t0, 20(a0)
preceu.ph.qbr t5, t2
preceu.ph.qbl t6, t2
addu t0, t0, a1
addu.ph t3, t3, t7
addu.ph t4, t4, t7
ulw t1, 0(t0)
ulw t2, 4(t0)
addu.ph t5, t5, t7
addu.ph t6, t6, t7
usw t3, 64(a2)
usw t4, 68(a2)
preceu.ph.qbr t3, t1
preceu.ph.qbl t4, t1
usw t5, 72(a2)
usw t6, 76(a2)
lw t0, 24(a0)
preceu.ph.qbr t5, t2
preceu.ph.qbl t6, t2
addu t0, t0, a1
addu.ph t3, t3, t7
addu.ph t4, t4, t7
ulw t1, 0(t0)
ulw t2, 4(t0)
addu.ph t5, t5, t7
addu.ph t6, t6, t7
usw t3, 80(a2)
usw t4, 84(a2)
preceu.ph.qbr t3, t1
preceu.ph.qbl t4, t1
usw t5, 88(a2)
usw t6, 92(a2)
lw t0, 28(a0)
preceu.ph.qbr t5, t2
preceu.ph.qbl t6, t2
addu t0, t0, a1
addu.ph t3, t3, t7
addu.ph t4, t4, t7
ulw t1, 0(t0)
ulw t2, 4(t0)
addu.ph t5, t5, t7
addu.ph t6, t6, t7
usw t3, 96(a2)
usw t4, 100(a2)
preceu.ph.qbr t3, t1
preceu.ph.qbl t4, t1
usw t5, 104(a2)
usw t6, 108(a2)
preceu.ph.qbr t5, t2
preceu.ph.qbl t6, t2
addu.ph t3, t3, t7
addu.ph t4, t4, t7
addu.ph t5, t5, t7
addu.ph t6, t6, t7
usw t3, 112(a2)
usw t4, 116(a2)
usw t5, 120(a2)
usw t6, 124(a2)
j ra
nop
END(jsimd_convsamp_mips_dspr2)
/*****************************************************************************/
LEAF_MIPS_DSPR2(jsimd_convsamp_float_mips_dspr2)
/*