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MIPS: dspr2: Added optimization for some convert functions

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affected functions:
      VP8LConvertBGRAToRGBA4444_C
      VP8LConvertBGRAToRGB565_C
      VP8LConvertBGRAToBGR_C

Change-Id: I81513d242d33ebb9fef397ee6a2ca75d17f66e97
This commit is contained in:
Djordje Pesut 2015-02-24 10:51:34 +01:00
parent 0f595db60c
commit b5e79422d5
1 changed files with 205 additions and 4 deletions
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209
src/dsp/lossless_mips_dsp_r2.c
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@ -588,8 +588,8 @@ static void TransformColorInverse(const VP8LMultipliers* const m,
static void ConvertBGRAToRGB(const uint32_t* src, static void ConvertBGRAToRGB(const uint32_t* src,
int num_pixels, uint8_t* dst) { int num_pixels, uint8_t* dst) {
int temp0, temp1, temp2, temp3; int temp0, temp1, temp2, temp3;
uint32_t* const p_loop1_end = (uint32_t*)src + (num_pixels & ~3); const uint32_t* const p_loop1_end = src + (num_pixels & ~3);
uint32_t* const p_loop2_end = (uint32_t*)src + num_pixels; const uint32_t* const p_loop2_end = src + num_pixels;
__asm__ volatile ( __asm__ volatile (
".set push \n\t" ".set push \n\t"
".set noreorder \n\t" ".set noreorder \n\t"
@ -640,8 +640,8 @@ static void ConvertBGRAToRGB(const uint32_t* src,
static void ConvertBGRAToRGBA(const uint32_t* src, static void ConvertBGRAToRGBA(const uint32_t* src,
int num_pixels, uint8_t* dst) { int num_pixels, uint8_t* dst) {
int temp0, temp1, temp2, temp3; int temp0, temp1, temp2, temp3;
uint32_t* const p_loop1_end = (uint32_t*)src + (num_pixels & ~3); const uint32_t* const p_loop1_end = src + (num_pixels & ~3);
uint32_t* const p_loop2_end = (uint32_t*)src + num_pixels; const uint32_t* const p_loop2_end = src + num_pixels;
__asm__ volatile ( __asm__ volatile (
".set push \n\t" ".set push \n\t"
".set noreorder \n\t" ".set noreorder \n\t"
@ -687,6 +687,204 @@ static void ConvertBGRAToRGBA(const uint32_t* src,
); );
} }
static void ConvertBGRAToRGBA4444(const uint32_t* src,
int num_pixels, uint8_t* dst) {
int temp0, temp1, temp2, temp3, temp4, temp5;
const uint32_t* const p_loop1_end = src + (num_pixels & ~3);
const uint32_t* const p_loop2_end = src + num_pixels;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"beq %[src], %[p_loop1_end], 3f \n\t"
" nop \n\t"
"0: \n\t"
"lw %[temp0], 0(%[src]) \n\t"
"lw %[temp1], 4(%[src]) \n\t"
"lw %[temp2], 8(%[src]) \n\t"
"lw %[temp3], 12(%[src]) \n\t"
"ext %[temp4], %[temp0], 28, 4 \n\t"
"ext %[temp5], %[temp0], 12, 4 \n\t"
"ins %[temp0], %[temp4], 0, 4 \n\t"
"ext %[temp4], %[temp1], 28, 4 \n\t"
"ins %[temp0], %[temp5], 16, 4 \n\t"
"ext %[temp5], %[temp1], 12, 4 \n\t"
"ins %[temp1], %[temp4], 0, 4 \n\t"
"ext %[temp4], %[temp2], 28, 4 \n\t"
"ins %[temp1], %[temp5], 16, 4 \n\t"
"ext %[temp5], %[temp2], 12, 4 \n\t"
"ins %[temp2], %[temp4], 0, 4 \n\t"
"ext %[temp4], %[temp3], 28, 4 \n\t"
"ins %[temp2], %[temp5], 16, 4 \n\t"
"ext %[temp5], %[temp3], 12, 4 \n\t"
"ins %[temp3], %[temp4], 0, 4 \n\t"
"precr.qb.ph %[temp1], %[temp1], %[temp0] \n\t"
"ins %[temp3], %[temp5], 16, 4 \n\t"
"addiu %[src], %[src], 16 \n\t"
"precr.qb.ph %[temp3], %[temp3], %[temp2] \n\t"
#ifdef WEBP_SWAP_16BIT_CSP
"usw %[temp1], 0(%[dst]) \n\t"
"usw %[temp3], 4(%[dst]) \n\t"
#else
"wsbh %[temp1], %[temp1] \n\t"
"wsbh %[temp3], %[temp3] \n\t"
"usw %[temp1], 0(%[dst]) \n\t"
"usw %[temp3], 4(%[dst]) \n\t"
#endif
"bne %[src], %[p_loop1_end], 0b \n\t"
" addiu %[dst], %[dst], 8 \n\t"
"3: \n\t"
"beq %[src], %[p_loop2_end], 2f \n\t"
" nop \n\t"
"1: \n\t"
"lw %[temp0], 0(%[src]) \n\t"
"ext %[temp4], %[temp0], 28, 4 \n\t"
"ext %[temp5], %[temp0], 12, 4 \n\t"
"ins %[temp0], %[temp4], 0, 4 \n\t"
"ins %[temp0], %[temp5], 16, 4 \n\t"
"addiu %[src], %[src], 4 \n\t"
"precr.qb.ph %[temp0], %[temp0], %[temp0] \n\t"
#ifdef WEBP_SWAP_16BIT_CSP
"ush %[temp0], 0(%[dst]) \n\t"
#else
"wsbh %[temp0], %[temp0] \n\t"
"ush %[temp0], 0(%[dst]) \n\t"
#endif
"bne %[src], %[p_loop2_end], 1b \n\t"
" addiu %[dst], %[dst], 2 \n\t"
"2: \n\t"
".set pop \n\t"
: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
[temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
[dst]"+&r"(dst), [src]"+&r"(src)
: [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end)
: "memory"
);
}
static void ConvertBGRAToRGB565(const uint32_t* src,
int num_pixels, uint8_t* dst) {
int temp0, temp1, temp2, temp3, temp4, temp5;
const uint32_t* const p_loop1_end = src + (num_pixels & ~3);
const uint32_t* const p_loop2_end = src + num_pixels;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"beq %[src], %[p_loop1_end], 3f \n\t"
" nop \n\t"
"0: \n\t"
"lw %[temp0], 0(%[src]) \n\t"
"lw %[temp1], 4(%[src]) \n\t"
"lw %[temp2], 8(%[src]) \n\t"
"lw %[temp3], 12(%[src]) \n\t"
"ext %[temp4], %[temp0], 8, 16 \n\t"
"ext %[temp5], %[temp0], 5, 11 \n\t"
"ext %[temp0], %[temp0], 3, 5 \n\t"
"ins %[temp4], %[temp5], 0, 11 \n\t"
"ext %[temp5], %[temp1], 5, 11 \n\t"
"ins %[temp4], %[temp0], 0, 5 \n\t"
"ext %[temp0], %[temp1], 8, 16 \n\t"
"ext %[temp1], %[temp1], 3, 5 \n\t"
"ins %[temp0], %[temp5], 0, 11 \n\t"
"ext %[temp5], %[temp2], 5, 11 \n\t"
"ins %[temp0], %[temp1], 0, 5 \n\t"
"ext %[temp1], %[temp2], 8, 16 \n\t"
"ext %[temp2], %[temp2], 3, 5 \n\t"
"ins %[temp1], %[temp5], 0, 11 \n\t"
"ext %[temp5], %[temp3], 5, 11 \n\t"
"ins %[temp1], %[temp2], 0, 5 \n\t"
"ext %[temp2], %[temp3], 8, 16 \n\t"
"ext %[temp3], %[temp3], 3, 5 \n\t"
"ins %[temp2], %[temp5], 0, 11 \n\t"
"append %[temp0], %[temp4], 16 \n\t"
"ins %[temp2], %[temp3], 0, 5 \n\t"
"addiu %[src], %[src], 16 \n\t"
"append %[temp2], %[temp1], 16 \n\t"
#ifdef WEBP_SWAP_16BIT_CSP
"usw %[temp0], 0(%[dst]) \n\t"
"usw %[temp2], 4(%[dst]) \n\t"
#else
"wsbh %[temp0], %[temp0] \n\t"
"wsbh %[temp2], %[temp2] \n\t"
"usw %[temp0], 0(%[dst]) \n\t"
"usw %[temp2], 4(%[dst]) \n\t"
#endif
"bne %[src], %[p_loop1_end], 0b \n\t"
" addiu %[dst], %[dst], 8 \n\t"
"3: \n\t"
"beq %[src], %[p_loop2_end], 2f \n\t"
" nop \n\t"
"1: \n\t"
"lw %[temp0], 0(%[src]) \n\t"
"ext %[temp4], %[temp0], 8, 16 \n\t"
"ext %[temp5], %[temp0], 5, 11 \n\t"
"ext %[temp0], %[temp0], 3, 5 \n\t"
"ins %[temp4], %[temp5], 0, 11 \n\t"
"addiu %[src], %[src], 4 \n\t"
"ins %[temp4], %[temp0], 0, 5 \n\t"
#ifdef WEBP_SWAP_16BIT_CSP
"ush %[temp4], 0(%[dst]) \n\t"
#else
"wsbh %[temp4], %[temp4] \n\t"
"ush %[temp4], 0(%[dst]) \n\t"
#endif
"bne %[src], %[p_loop2_end], 1b \n\t"
" addiu %[dst], %[dst], 2 \n\t"
"2: \n\t"
".set pop \n\t"
: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
[temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
[dst]"+&r"(dst), [src]"+&r"(src)
: [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end)
: "memory"
);
}
static void ConvertBGRAToBGR(const uint32_t* src,
int num_pixels, uint8_t* dst) {
int temp0, temp1, temp2, temp3;
const uint32_t* const p_loop1_end = src + (num_pixels & ~3);
const uint32_t* const p_loop2_end = src + num_pixels;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"beq %[src], %[p_loop1_end], 3f \n\t"
" nop \n\t"
"0: \n\t"
"lw %[temp0], 0(%[src]) \n\t"
"lw %[temp1], 4(%[src]) \n\t"
"lw %[temp2], 8(%[src]) \n\t"
"lw %[temp3], 12(%[src]) \n\t"
"ins %[temp0], %[temp1], 24, 8 \n\t"
"sra %[temp1], %[temp1], 8 \n\t"
"ins %[temp1], %[temp2], 16, 16 \n\t"
"sll %[temp2], %[temp2], 8 \n\t"
"balign %[temp3], %[temp2], 1 \n\t"
"addiu %[src], %[src], 16 \n\t"
"usw %[temp0], 0(%[dst]) \n\t"
"usw %[temp1], 4(%[dst]) \n\t"
"usw %[temp3], 8(%[dst]) \n\t"
"bne %[src], %[p_loop1_end], 0b \n\t"
" addiu %[dst], %[dst], 12 \n\t"
"3: \n\t"
"beq %[src], %[p_loop2_end], 2f \n\t"
" nop \n\t"
"1: \n\t"
"lw %[temp0], 0(%[src]) \n\t"
"addiu %[src], %[src], 4 \n\t"
"addiu %[dst], %[dst], 3 \n\t"
"ush %[temp0], -3(%[dst]) \n\t"
"sra %[temp0], %[temp0], 16 \n\t"
"bne %[src], %[p_loop2_end], 1b \n\t"
" sb %[temp0], -1(%[dst]) \n\t"
"2: \n\t"
".set pop \n\t"
: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
[temp3]"=&r"(temp3), [dst]"+&r"(dst), [src]"+&r"(src)
: [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end)
: "memory"
);
}
#endif // WEBP_USE_MIPS_DSP_R2 #endif // WEBP_USE_MIPS_DSP_R2
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------
@ -714,6 +912,9 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitMIPSdspR2(void) {
VP8LTransformColorInverse = TransformColorInverse; VP8LTransformColorInverse = TransformColorInverse;
VP8LConvertBGRAToRGB = ConvertBGRAToRGB; VP8LConvertBGRAToRGB = ConvertBGRAToRGB;
VP8LConvertBGRAToRGBA = ConvertBGRAToRGBA; VP8LConvertBGRAToRGBA = ConvertBGRAToRGBA;
VP8LConvertBGRAToRGBA4444 = ConvertBGRAToRGBA4444;
VP8LConvertBGRAToRGB565 = ConvertBGRAToRGB565;
VP8LConvertBGRAToBGR = ConvertBGRAToBGR;
#endif // WEBP_USE_MIPS_DSP_R2 #endif // WEBP_USE_MIPS_DSP_R2
} }