| // Copyright 2014 Google Inc. All Rights Reserved. |
| // |
| // Use of this source code is governed by a BSD-style license |
| // that can be found in the COPYING file in the root of the source |
| // tree. An additional intellectual property rights grant can be found |
| // in the file PATENTS. All contributing project authors may |
| // be found in the AUTHORS file in the root of the source tree. |
| // ----------------------------------------------------------------------------- |
| // |
| // MIPS version of dsp functions |
| // |
| // Author(s): Djordje Pesut (djordje.pesut@imgtec.com) |
| // Jovan Zelincevic (jovan.zelincevic@imgtec.com) |
| |
| #include "src/dsp/dsp.h" |
| |
| #if defined(WEBP_USE_MIPS_DSP_R2) |
| |
| #include "src/dsp/mips_macro.h" |
| |
| static const int kC1 = 20091 + (1 << 16); |
| static const int kC2 = 35468; |
| |
| #define MUL(a, b) (((a) * (b)) >> 16) |
| |
| static void TransformDC(const int16_t* in, uint8_t* dst) { |
| int temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9, temp10; |
| |
| __asm__ volatile ( |
| LOAD_WITH_OFFSET_X4(temp1, temp2, temp3, temp4, dst, |
| 0, 0, 0, 0, |
| 0, 1, 2, 3, |
| BPS) |
| "lh %[temp5], 0(%[in]) \n\t" |
| "addiu %[temp5], %[temp5], 4 \n\t" |
| "ins %[temp5], %[temp5], 16, 16 \n\t" |
| "shra.ph %[temp5], %[temp5], 3 \n\t" |
| CONVERT_2_BYTES_TO_HALF(temp6, temp7, temp8, temp9, temp10, temp1, temp2, |
| temp3, temp1, temp2, temp3, temp4) |
| STORE_SAT_SUM_X2(temp6, temp7, temp8, temp9, temp10, temp1, temp2, temp3, |
| temp5, temp5, temp5, temp5, temp5, temp5, temp5, temp5, |
| dst, 0, 1, 2, 3, BPS) |
| |
| OUTPUT_EARLY_CLOBBER_REGS_10() |
| : [in]"r"(in), [dst]"r"(dst) |
| : "memory" |
| ); |
| } |
| |
| static void TransformAC3(const int16_t* in, uint8_t* dst) { |
| const int a = in[0] + 4; |
| int c4 = MUL(in[4], kC2); |
| const int d4 = MUL(in[4], kC1); |
| const int c1 = MUL(in[1], kC2); |
| const int d1 = MUL(in[1], kC1); |
| int temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9; |
| int temp10, temp11, temp12, temp13, temp14, temp15, temp16, temp17, temp18; |
| |
| __asm__ volatile ( |
| "ins %[c4], %[d4], 16, 16 \n\t" |
| "replv.ph %[temp1], %[a] \n\t" |
| "replv.ph %[temp4], %[d1] \n\t" |
| ADD_SUB_HALVES(temp2, temp3, temp1, c4) |
| "replv.ph %[temp5], %[c1] \n\t" |
| SHIFT_R_SUM_X2(temp1, temp6, temp7, temp8, temp2, temp9, temp10, temp4, |
| temp2, temp2, temp3, temp3, temp4, temp5, temp4, temp5) |
| LOAD_WITH_OFFSET_X4(temp3, temp5, temp11, temp12, dst, |
| 0, 0, 0, 0, |
| 0, 1, 2, 3, |
| BPS) |
| CONVERT_2_BYTES_TO_HALF(temp13, temp14, temp3, temp15, temp5, temp16, |
| temp11, temp17, temp3, temp5, temp11, temp12) |
| PACK_2_HALVES_TO_WORD(temp12, temp18, temp7, temp6, temp1, temp8, temp2, |
| temp4, temp7, temp6, temp10, temp9) |
| STORE_SAT_SUM_X2(temp13, temp14, temp3, temp15, temp5, temp16, temp11, |
| temp17, temp12, temp18, temp1, temp8, temp2, temp4, |
| temp7, temp6, dst, 0, 1, 2, 3, BPS) |
| |
| OUTPUT_EARLY_CLOBBER_REGS_18(), |
| [c4]"+&r"(c4) |
| : [dst]"r"(dst), [a]"r"(a), [d1]"r"(d1), [d4]"r"(d4), [c1]"r"(c1) |
| : "memory" |
| ); |
| } |
| |
| static void TransformOne(const int16_t* in, uint8_t* dst) { |
| int temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9; |
| int temp10, temp11, temp12, temp13, temp14, temp15, temp16, temp17, temp18; |
| |
| __asm__ volatile ( |
| "ulw %[temp1], 0(%[in]) \n\t" |
| "ulw %[temp2], 16(%[in]) \n\t" |
| LOAD_IN_X2(temp5, temp6, 24, 26) |
| ADD_SUB_HALVES(temp3, temp4, temp1, temp2) |
| LOAD_IN_X2(temp1, temp2, 8, 10) |
| MUL_SHIFT_SUM(temp7, temp8, temp9, temp10, temp11, temp12, temp13, temp14, |
| temp10, temp8, temp9, temp7, temp1, temp2, temp5, temp6, |
| temp13, temp11, temp14, temp12) |
| INSERT_HALF_X2(temp8, temp7, temp10, temp9) |
| "ulw %[temp17], 4(%[in]) \n\t" |
| "ulw %[temp18], 20(%[in]) \n\t" |
| ADD_SUB_HALVES(temp1, temp2, temp3, temp8) |
| ADD_SUB_HALVES(temp5, temp6, temp4, temp7) |
| ADD_SUB_HALVES(temp7, temp8, temp17, temp18) |
| LOAD_IN_X2(temp17, temp18, 12, 14) |
| LOAD_IN_X2(temp9, temp10, 28, 30) |
| MUL_SHIFT_SUM(temp11, temp12, temp13, temp14, temp15, temp16, temp4, temp17, |
| temp12, temp14, temp11, temp13, temp17, temp18, temp9, temp10, |
| temp15, temp4, temp16, temp17) |
| INSERT_HALF_X2(temp11, temp12, temp13, temp14) |
| ADD_SUB_HALVES(temp17, temp8, temp8, temp11) |
| ADD_SUB_HALVES(temp3, temp4, temp7, temp12) |
| |
| // horizontal |
| SRA_16(temp9, temp10, temp11, temp12, temp1, temp2, temp5, temp6) |
| INSERT_HALF_X2(temp1, temp6, temp5, temp2) |
| SRA_16(temp13, temp14, temp15, temp16, temp3, temp4, temp17, temp8) |
| "repl.ph %[temp2], 0x4 \n\t" |
| INSERT_HALF_X2(temp3, temp8, temp17, temp4) |
| "addq.ph %[temp1], %[temp1], %[temp2] \n\t" |
| "addq.ph %[temp6], %[temp6], %[temp2] \n\t" |
| ADD_SUB_HALVES(temp2, temp4, temp1, temp3) |
| ADD_SUB_HALVES(temp5, temp7, temp6, temp8) |
| MUL_SHIFT_SUM(temp1, temp3, temp6, temp8, temp9, temp13, temp17, temp18, |
| temp3, temp13, temp1, temp9, temp9, temp13, temp11, temp15, |
| temp6, temp17, temp8, temp18) |
| MUL_SHIFT_SUM(temp6, temp8, temp18, temp17, temp11, temp15, temp12, temp16, |
| temp8, temp15, temp6, temp11, temp12, temp16, temp10, temp14, |
| temp18, temp12, temp17, temp16) |
| INSERT_HALF_X2(temp1, temp3, temp9, temp13) |
| INSERT_HALF_X2(temp6, temp8, temp11, temp15) |
| SHIFT_R_SUM_X2(temp9, temp10, temp11, temp12, temp13, temp14, temp15, |
| temp16, temp2, temp4, temp5, temp7, temp3, temp1, temp8, |
| temp6) |
| PACK_2_HALVES_TO_WORD(temp1, temp2, temp3, temp4, temp9, temp12, temp13, |
| temp16, temp11, temp10, temp15, temp14) |
| LOAD_WITH_OFFSET_X4(temp10, temp11, temp14, temp15, dst, |
| 0, 0, 0, 0, |
| 0, 1, 2, 3, |
| BPS) |
| CONVERT_2_BYTES_TO_HALF(temp5, temp6, temp7, temp8, temp17, temp18, temp10, |
| temp11, temp10, temp11, temp14, temp15) |
| STORE_SAT_SUM_X2(temp5, temp6, temp7, temp8, temp17, temp18, temp10, temp11, |
| temp9, temp12, temp1, temp2, temp13, temp16, temp3, temp4, |
| dst, 0, 1, 2, 3, BPS) |
| |
| OUTPUT_EARLY_CLOBBER_REGS_18() |
| : [dst]"r"(dst), [in]"r"(in), [kC1]"r"(kC1), [kC2]"r"(kC2) |
| : "memory", "hi", "lo" |
| ); |
| } |
| |
| static void TransformTwo(const int16_t* in, uint8_t* dst, int do_two) { |
| TransformOne(in, dst); |
| if (do_two) { |
| TransformOne(in + 16, dst + 4); |
| } |
| } |
| |
| static WEBP_INLINE void FilterLoop26(uint8_t* p, |
| int hstride, int vstride, int size, |
| int thresh, int ithresh, int hev_thresh) { |
| const int thresh2 = 2 * thresh + 1; |
| int temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9; |
| int temp10, temp11, temp12, temp13, temp14, temp15; |
| |
| __asm__ volatile ( |
| ".set push \n\t" |
| ".set noreorder \n\t" |
| "1: \n\t" |
| "negu %[temp1], %[hstride] \n\t" |
| "addiu %[size], %[size], -1 \n\t" |
| "sll %[temp2], %[hstride], 1 \n\t" |
| "sll %[temp3], %[temp1], 1 \n\t" |
| "addu %[temp4], %[temp2], %[hstride] \n\t" |
| "addu %[temp5], %[temp3], %[temp1] \n\t" |
| "lbu %[temp7], 0(%[p]) \n\t" |
| "sll %[temp6], %[temp3], 1 \n\t" |
| "lbux %[temp8], %[temp5](%[p]) \n\t" |
| "lbux %[temp9], %[temp3](%[p]) \n\t" |
| "lbux %[temp10], %[temp1](%[p]) \n\t" |
| "lbux %[temp11], %[temp6](%[p]) \n\t" |
| "lbux %[temp12], %[hstride](%[p]) \n\t" |
| "lbux %[temp13], %[temp2](%[p]) \n\t" |
| "lbux %[temp14], %[temp4](%[p]) \n\t" |
| "subu %[temp1], %[temp10], %[temp7] \n\t" |
| "subu %[temp2], %[temp9], %[temp12] \n\t" |
| "absq_s.w %[temp3], %[temp1] \n\t" |
| "absq_s.w %[temp4], %[temp2] \n\t" |
| "negu %[temp1], %[temp1] \n\t" |
| "sll %[temp3], %[temp3], 2 \n\t" |
| "addu %[temp15], %[temp3], %[temp4] \n\t" |
| "subu %[temp3], %[temp15], %[thresh2] \n\t" |
| "sll %[temp6], %[temp1], 1 \n\t" |
| "bgtz %[temp3], 3f \n\t" |
| " subu %[temp4], %[temp11], %[temp8] \n\t" |
| "absq_s.w %[temp4], %[temp4] \n\t" |
| "shll_s.w %[temp2], %[temp2], 24 \n\t" |
| "subu %[temp4], %[temp4], %[ithresh] \n\t" |
| "bgtz %[temp4], 3f \n\t" |
| " subu %[temp3], %[temp8], %[temp9] \n\t" |
| "absq_s.w %[temp3], %[temp3] \n\t" |
| "subu %[temp3], %[temp3], %[ithresh] \n\t" |
| "bgtz %[temp3], 3f \n\t" |
| " subu %[temp5], %[temp9], %[temp10] \n\t" |
| "absq_s.w %[temp3], %[temp5] \n\t" |
| "absq_s.w %[temp5], %[temp5] \n\t" |
| "subu %[temp3], %[temp3], %[ithresh] \n\t" |
| "bgtz %[temp3], 3f \n\t" |
| " subu %[temp3], %[temp14], %[temp13] \n\t" |
| "absq_s.w %[temp3], %[temp3] \n\t" |
| "slt %[temp5], %[hev_thresh], %[temp5] \n\t" |
| "subu %[temp3], %[temp3], %[ithresh] \n\t" |
| "bgtz %[temp3], 3f \n\t" |
| " subu %[temp3], %[temp13], %[temp12] \n\t" |
| "absq_s.w %[temp3], %[temp3] \n\t" |
| "sra %[temp4], %[temp2], 24 \n\t" |
| "subu %[temp3], %[temp3], %[ithresh] \n\t" |
| "bgtz %[temp3], 3f \n\t" |
| " subu %[temp15], %[temp12], %[temp7] \n\t" |
| "absq_s.w %[temp3], %[temp15] \n\t" |
| "absq_s.w %[temp15], %[temp15] \n\t" |
| "subu %[temp3], %[temp3], %[ithresh] \n\t" |
| "bgtz %[temp3], 3f \n\t" |
| " slt %[temp15], %[hev_thresh], %[temp15] \n\t" |
| "addu %[temp3], %[temp6], %[temp1] \n\t" |
| "or %[temp2], %[temp5], %[temp15] \n\t" |
| "addu %[temp5], %[temp4], %[temp3] \n\t" |
| "beqz %[temp2], 4f \n\t" |
| " shra_r.w %[temp1], %[temp5], 3 \n\t" |
| "addiu %[temp2], %[temp5], 3 \n\t" |
| "sra %[temp2], %[temp2], 3 \n\t" |
| "shll_s.w %[temp1], %[temp1], 27 \n\t" |
| "shll_s.w %[temp2], %[temp2], 27 \n\t" |
| "subu %[temp3], %[p], %[hstride] \n\t" |
| "sra %[temp1], %[temp1], 27 \n\t" |
| "sra %[temp2], %[temp2], 27 \n\t" |
| "subu %[temp1], %[temp7], %[temp1] \n\t" |
| "addu %[temp2], %[temp10], %[temp2] \n\t" |
| "lbux %[temp2], %[temp2](%[VP8kclip1]) \n\t" |
| "lbux %[temp1], %[temp1](%[VP8kclip1]) \n\t" |
| "sb %[temp2], 0(%[temp3]) \n\t" |
| "j 3f \n\t" |
| " sb %[temp1], 0(%[p]) \n\t" |
| "4: \n\t" |
| "shll_s.w %[temp5], %[temp5], 24 \n\t" |
| "subu %[temp14], %[p], %[hstride] \n\t" |
| "subu %[temp11], %[temp14], %[hstride] \n\t" |
| "sra %[temp6], %[temp5], 24 \n\t" |
| "sll %[temp1], %[temp6], 3 \n\t" |
| "subu %[temp15], %[temp11], %[hstride] \n\t" |
| "addu %[temp2], %[temp6], %[temp1] \n\t" |
| "sll %[temp3], %[temp2], 1 \n\t" |
| "addu %[temp4], %[temp3], %[temp2] \n\t" |
| "addiu %[temp2], %[temp2], 63 \n\t" |
| "addiu %[temp3], %[temp3], 63 \n\t" |
| "addiu %[temp4], %[temp4], 63 \n\t" |
| "sra %[temp2], %[temp2], 7 \n\t" |
| "sra %[temp3], %[temp3], 7 \n\t" |
| "sra %[temp4], %[temp4], 7 \n\t" |
| "addu %[temp1], %[temp8], %[temp2] \n\t" |
| "addu %[temp5], %[temp9], %[temp3] \n\t" |
| "addu %[temp6], %[temp10], %[temp4] \n\t" |
| "subu %[temp8], %[temp7], %[temp4] \n\t" |
| "subu %[temp7], %[temp12], %[temp3] \n\t" |
| "addu %[temp10], %[p], %[hstride] \n\t" |
| "subu %[temp9], %[temp13], %[temp2] \n\t" |
| "addu %[temp12], %[temp10], %[hstride] \n\t" |
| "lbux %[temp2], %[temp1](%[VP8kclip1]) \n\t" |
| "lbux %[temp3], %[temp5](%[VP8kclip1]) \n\t" |
| "lbux %[temp4], %[temp6](%[VP8kclip1]) \n\t" |
| "lbux %[temp5], %[temp8](%[VP8kclip1]) \n\t" |
| "lbux %[temp6], %[temp7](%[VP8kclip1]) \n\t" |
| "lbux %[temp8], %[temp9](%[VP8kclip1]) \n\t" |
| "sb %[temp2], 0(%[temp15]) \n\t" |
| "sb %[temp3], 0(%[temp11]) \n\t" |
| "sb %[temp4], 0(%[temp14]) \n\t" |
| "sb %[temp5], 0(%[p]) \n\t" |
| "sb %[temp6], 0(%[temp10]) \n\t" |
| "sb %[temp8], 0(%[temp12]) \n\t" |
| "3: \n\t" |
| "bgtz %[size], 1b \n\t" |
| " addu %[p], %[p], %[vstride] \n\t" |
| ".set pop \n\t" |
| : [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),[temp3]"=&r"(temp3), |
| [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [temp6]"=&r"(temp6), |
| [temp7]"=&r"(temp7),[temp8]"=&r"(temp8),[temp9]"=&r"(temp9), |
| [temp10]"=&r"(temp10),[temp11]"=&r"(temp11),[temp12]"=&r"(temp12), |
| [temp13]"=&r"(temp13),[temp14]"=&r"(temp14),[temp15]"=&r"(temp15), |
| [size]"+&r"(size), [p]"+&r"(p) |
| : [hstride]"r"(hstride), [thresh2]"r"(thresh2), |
| [ithresh]"r"(ithresh),[vstride]"r"(vstride), [hev_thresh]"r"(hev_thresh), |
| [VP8kclip1]"r"(VP8kclip1) |
| : "memory" |
| ); |
| } |
| |
| static WEBP_INLINE void FilterLoop24(uint8_t* p, |
| int hstride, int vstride, int size, |
| int thresh, int ithresh, int hev_thresh) { |
| int p0, q0, p1, q1, p2, q2, p3, q3; |
| int step1, step2, temp1, temp2, temp3, temp4; |
| uint8_t* pTemp0; |
| uint8_t* pTemp1; |
| const int thresh2 = 2 * thresh + 1; |
| |
| __asm__ volatile ( |
| ".set push \n\t" |
| ".set noreorder \n\t" |
| "bltz %[size], 3f \n\t" |
| " nop \n\t" |
| "2: \n\t" |
| "negu %[step1], %[hstride] \n\t" |
| "lbu %[q0], 0(%[p]) \n\t" |
| "lbux %[p0], %[step1](%[p]) \n\t" |
| "subu %[step1], %[step1], %[hstride] \n\t" |
| "lbux %[q1], %[hstride](%[p]) \n\t" |
| "subu %[temp1], %[p0], %[q0] \n\t" |
| "lbux %[p1], %[step1](%[p]) \n\t" |
| "addu %[step2], %[hstride], %[hstride] \n\t" |
| "absq_s.w %[temp2], %[temp1] \n\t" |
| "subu %[temp3], %[p1], %[q1] \n\t" |
| "absq_s.w %[temp4], %[temp3] \n\t" |
| "sll %[temp2], %[temp2], 2 \n\t" |
| "addu %[temp2], %[temp2], %[temp4] \n\t" |
| "subu %[temp4], %[temp2], %[thresh2] \n\t" |
| "subu %[step1], %[step1], %[hstride] \n\t" |
| "bgtz %[temp4], 0f \n\t" |
| " lbux %[p2], %[step1](%[p]) \n\t" |
| "subu %[step1], %[step1], %[hstride] \n\t" |
| "lbux %[q2], %[step2](%[p]) \n\t" |
| "lbux %[p3], %[step1](%[p]) \n\t" |
| "subu %[temp4], %[p2], %[p1] \n\t" |
| "addu %[step2], %[step2], %[hstride] \n\t" |
| "subu %[temp2], %[p3], %[p2] \n\t" |
| "absq_s.w %[temp4], %[temp4] \n\t" |
| "absq_s.w %[temp2], %[temp2] \n\t" |
| "lbux %[q3], %[step2](%[p]) \n\t" |
| "subu %[temp4], %[temp4], %[ithresh] \n\t" |
| "negu %[temp1], %[temp1] \n\t" |
| "bgtz %[temp4], 0f \n\t" |
| " subu %[temp2], %[temp2], %[ithresh] \n\t" |
| "subu %[p3], %[p1], %[p0] \n\t" |
| "bgtz %[temp2], 0f \n\t" |
| " absq_s.w %[p3], %[p3] \n\t" |
| "subu %[temp4], %[q3], %[q2] \n\t" |
| "subu %[pTemp0], %[p], %[hstride] \n\t" |
| "absq_s.w %[temp4], %[temp4] \n\t" |
| "subu %[temp2], %[p3], %[ithresh] \n\t" |
| "sll %[step1], %[temp1], 1 \n\t" |
| "bgtz %[temp2], 0f \n\t" |
| " subu %[temp4], %[temp4], %[ithresh] \n\t" |
| "subu %[temp2], %[q2], %[q1] \n\t" |
| "bgtz %[temp4], 0f \n\t" |
| " absq_s.w %[temp2], %[temp2] \n\t" |
| "subu %[q3], %[q1], %[q0] \n\t" |
| "absq_s.w %[q3], %[q3] \n\t" |
| "subu %[temp2], %[temp2], %[ithresh] \n\t" |
| "addu %[temp1], %[temp1], %[step1] \n\t" |
| "bgtz %[temp2], 0f \n\t" |
| " subu %[temp4], %[q3], %[ithresh] \n\t" |
| "slt %[p3], %[hev_thresh], %[p3] \n\t" |
| "bgtz %[temp4], 0f \n\t" |
| " slt %[q3], %[hev_thresh], %[q3] \n\t" |
| "or %[q3], %[q3], %[p3] \n\t" |
| "bgtz %[q3], 1f \n\t" |
| " shra_r.w %[temp2], %[temp1], 3 \n\t" |
| "addiu %[temp1], %[temp1], 3 \n\t" |
| "sra %[temp1], %[temp1], 3 \n\t" |
| "shll_s.w %[temp2], %[temp2], 27 \n\t" |
| "shll_s.w %[temp1], %[temp1], 27 \n\t" |
| "addu %[pTemp1], %[p], %[hstride] \n\t" |
| "sra %[temp2], %[temp2], 27 \n\t" |
| "sra %[temp1], %[temp1], 27 \n\t" |
| "addiu %[step1], %[temp2], 1 \n\t" |
| "sra %[step1], %[step1], 1 \n\t" |
| "addu %[p0], %[p0], %[temp1] \n\t" |
| "addu %[p1], %[p1], %[step1] \n\t" |
| "subu %[q0], %[q0], %[temp2] \n\t" |
| "subu %[q1], %[q1], %[step1] \n\t" |
| "lbux %[temp2], %[p0](%[VP8kclip1]) \n\t" |
| "lbux %[temp3], %[q0](%[VP8kclip1]) \n\t" |
| "lbux %[temp4], %[q1](%[VP8kclip1]) \n\t" |
| "sb %[temp2], 0(%[pTemp0]) \n\t" |
| "lbux %[temp1], %[p1](%[VP8kclip1]) \n\t" |
| "subu %[pTemp0], %[pTemp0], %[hstride] \n\t" |
| "sb %[temp3], 0(%[p]) \n\t" |
| "sb %[temp4], 0(%[pTemp1]) \n\t" |
| "j 0f \n\t" |
| " sb %[temp1], 0(%[pTemp0]) \n\t" |
| "1: \n\t" |
| "shll_s.w %[temp3], %[temp3], 24 \n\t" |
| "sra %[temp3], %[temp3], 24 \n\t" |
| "addu %[temp1], %[temp1], %[temp3] \n\t" |
| "shra_r.w %[temp2], %[temp1], 3 \n\t" |
| "addiu %[temp1], %[temp1], 3 \n\t" |
| "shll_s.w %[temp2], %[temp2], 27 \n\t" |
| "sra %[temp1], %[temp1], 3 \n\t" |
| "shll_s.w %[temp1], %[temp1], 27 \n\t" |
| "sra %[temp2], %[temp2], 27 \n\t" |
| "sra %[temp1], %[temp1], 27 \n\t" |
| "addu %[p0], %[p0], %[temp1] \n\t" |
| "subu %[q0], %[q0], %[temp2] \n\t" |
| "lbux %[temp1], %[p0](%[VP8kclip1]) \n\t" |
| "lbux %[temp2], %[q0](%[VP8kclip1]) \n\t" |
| "sb %[temp2], 0(%[p]) \n\t" |
| "sb %[temp1], 0(%[pTemp0]) \n\t" |
| "0: \n\t" |
| "subu %[size], %[size], 1 \n\t" |
| "bgtz %[size], 2b \n\t" |
| " addu %[p], %[p], %[vstride] \n\t" |
| "3: \n\t" |
| ".set pop \n\t" |
| : [p0]"=&r"(p0), [q0]"=&r"(q0), [p1]"=&r"(p1), [q1]"=&r"(q1), |
| [p2]"=&r"(p2), [q2]"=&r"(q2), [p3]"=&r"(p3), [q3]"=&r"(q3), |
| [step2]"=&r"(step2), [step1]"=&r"(step1), [temp1]"=&r"(temp1), |
| [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), |
| [pTemp0]"=&r"(pTemp0), [pTemp1]"=&r"(pTemp1), [p]"+&r"(p), |
| [size]"+&r"(size) |
| : [vstride]"r"(vstride), [ithresh]"r"(ithresh), |
| [hev_thresh]"r"(hev_thresh), [hstride]"r"(hstride), |
| [VP8kclip1]"r"(VP8kclip1), [thresh2]"r"(thresh2) |
| : "memory" |
| ); |
| } |
| |
| // on macroblock edges |
| static void VFilter16(uint8_t* p, int stride, |
| int thresh, int ithresh, int hev_thresh) { |
| FilterLoop26(p, stride, 1, 16, thresh, ithresh, hev_thresh); |
| } |
| |
| static void HFilter16(uint8_t* p, int stride, |
| int thresh, int ithresh, int hev_thresh) { |
| FilterLoop26(p, 1, stride, 16, thresh, ithresh, hev_thresh); |
| } |
| |
| // 8-pixels wide variant, for chroma filtering |
| static void VFilter8(uint8_t* u, uint8_t* v, int stride, |
| int thresh, int ithresh, int hev_thresh) { |
| FilterLoop26(u, stride, 1, 8, thresh, ithresh, hev_thresh); |
| FilterLoop26(v, stride, 1, 8, thresh, ithresh, hev_thresh); |
| } |
| |
| static void HFilter8(uint8_t* u, uint8_t* v, int stride, |
| int thresh, int ithresh, int hev_thresh) { |
| FilterLoop26(u, 1, stride, 8, thresh, ithresh, hev_thresh); |
| FilterLoop26(v, 1, stride, 8, thresh, ithresh, hev_thresh); |
| } |
| |
| // on three inner edges |
| static void VFilter16i(uint8_t* p, int stride, |
| int thresh, int ithresh, int hev_thresh) { |
| int k; |
| for (k = 3; k > 0; --k) { |
| p += 4 * stride; |
| FilterLoop24(p, stride, 1, 16, thresh, ithresh, hev_thresh); |
| } |
| } |
| |
| static void HFilter16i(uint8_t* p, int stride, |
| int thresh, int ithresh, int hev_thresh) { |
| int k; |
| for (k = 3; k > 0; --k) { |
| p += 4; |
| FilterLoop24(p, 1, stride, 16, thresh, ithresh, hev_thresh); |
| } |
| } |
| |
| static void VFilter8i(uint8_t* u, uint8_t* v, int stride, |
| int thresh, int ithresh, int hev_thresh) { |
| FilterLoop24(u + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); |
| FilterLoop24(v + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh); |
| } |
| |
| static void HFilter8i(uint8_t* u, uint8_t* v, int stride, |
| int thresh, int ithresh, int hev_thresh) { |
| FilterLoop24(u + 4, 1, stride, 8, thresh, ithresh, hev_thresh); |
| FilterLoop24(v + 4, 1, stride, 8, thresh, ithresh, hev_thresh); |
| } |
| |
| #undef MUL |
| |
| //------------------------------------------------------------------------------ |
| // Simple In-loop filtering (Paragraph 15.2) |
| |
| static void SimpleVFilter16(uint8_t* p, int stride, int thresh) { |
| int i; |
| const int thresh2 = 2 * thresh + 1; |
| int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8; |
| uint8_t* p1 = p - stride; |
| __asm__ volatile ( |
| ".set push \n\t" |
| ".set noreorder \n\t" |
| "li %[i], 16 \n\t" |
| "0: \n\t" |
| "negu %[temp4], %[stride] \n\t" |
| "sll %[temp5], %[temp4], 1 \n\t" |
| "lbu %[temp2], 0(%[p]) \n\t" |
| "lbux %[temp3], %[stride](%[p]) \n\t" |
| "lbux %[temp1], %[temp4](%[p]) \n\t" |
| "lbux %[temp0], %[temp5](%[p]) \n\t" |
| "subu %[temp7], %[temp1], %[temp2] \n\t" |
| "subu %[temp6], %[temp0], %[temp3] \n\t" |
| "absq_s.w %[temp4], %[temp7] \n\t" |
| "absq_s.w %[temp5], %[temp6] \n\t" |
| "sll %[temp4], %[temp4], 2 \n\t" |
| "subu %[temp5], %[temp5], %[thresh2] \n\t" |
| "addu %[temp5], %[temp4], %[temp5] \n\t" |
| "negu %[temp8], %[temp7] \n\t" |
| "bgtz %[temp5], 1f \n\t" |
| " addiu %[i], %[i], -1 \n\t" |
| "sll %[temp4], %[temp8], 1 \n\t" |
| "shll_s.w %[temp5], %[temp6], 24 \n\t" |
| "addu %[temp3], %[temp4], %[temp8] \n\t" |
| "sra %[temp5], %[temp5], 24 \n\t" |
| "addu %[temp3], %[temp3], %[temp5] \n\t" |
| "addiu %[temp7], %[temp3], 3 \n\t" |
| "sra %[temp7], %[temp7], 3 \n\t" |
| "shra_r.w %[temp8], %[temp3], 3 \n\t" |
| "shll_s.w %[temp0], %[temp7], 27 \n\t" |
| "shll_s.w %[temp4], %[temp8], 27 \n\t" |
| "sra %[temp0], %[temp0], 27 \n\t" |
| "sra %[temp4], %[temp4], 27 \n\t" |
| "addu %[temp7], %[temp1], %[temp0] \n\t" |
| "subu %[temp2], %[temp2], %[temp4] \n\t" |
| "lbux %[temp3], %[temp7](%[VP8kclip1]) \n\t" |
| "lbux %[temp4], %[temp2](%[VP8kclip1]) \n\t" |
| "sb %[temp3], 0(%[p1]) \n\t" |
| "sb %[temp4], 0(%[p]) \n\t" |
| "1: \n\t" |
| "addiu %[p1], %[p1], 1 \n\t" |
| "bgtz %[i], 0b \n\t" |
| " addiu %[p], %[p], 1 \n\t" |
| " .set pop \n\t" |
| : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), |
| [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
| [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), |
| [p]"+&r"(p), [i]"=&r"(i), [p1]"+&r"(p1) |
| : [stride]"r"(stride), [VP8kclip1]"r"(VP8kclip1), [thresh2]"r"(thresh2) |
| : "memory" |
| ); |
| } |
| |
| // TEMP0 = SRC[A + A1 * BPS] |
| // TEMP1 = SRC[B + B1 * BPS] |
| // TEMP2 = SRC[C + C1 * BPS] |
| // TEMP3 = SRC[D + D1 * BPS] |
| #define LOAD_4_BYTES(TEMP0, TEMP1, TEMP2, TEMP3, \ |
| A, A1, B, B1, C, C1, D, D1, SRC) \ |
| "lbu %[" #TEMP0 "], " #A "+" #A1 "*" XSTR(BPS) "(%[" #SRC "]) \n\t" \ |
| "lbu %[" #TEMP1 "], " #B "+" #B1 "*" XSTR(BPS) "(%[" #SRC "]) \n\t" \ |
| "lbu %[" #TEMP2 "], " #C "+" #C1 "*" XSTR(BPS) "(%[" #SRC "]) \n\t" \ |
| "lbu %[" #TEMP3 "], " #D "+" #D1 "*" XSTR(BPS) "(%[" #SRC "]) \n\t" \ |
| |
| static void SimpleHFilter16(uint8_t* p, int stride, int thresh) { |
| int i; |
| const int thresh2 = 2 * thresh + 1; |
| int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8; |
| __asm__ volatile ( |
| ".set push \n\t" |
| ".set noreorder \n\t" |
| "li %[i], 16 \n\t" |
| "0: \n\t" |
| LOAD_4_BYTES(temp0, temp1, temp2, temp3, -2, 0, -1, 0, 0, 0, 1, 0, p) |
| "subu %[temp7], %[temp1], %[temp2] \n\t" |
| "subu %[temp6], %[temp0], %[temp3] \n\t" |
| "absq_s.w %[temp4], %[temp7] \n\t" |
| "absq_s.w %[temp5], %[temp6] \n\t" |
| "sll %[temp4], %[temp4], 2 \n\t" |
| "addu %[temp5], %[temp4], %[temp5] \n\t" |
| "subu %[temp5], %[temp5], %[thresh2] \n\t" |
| "negu %[temp8], %[temp7] \n\t" |
| "bgtz %[temp5], 1f \n\t" |
| " addiu %[i], %[i], -1 \n\t" |
| "sll %[temp4], %[temp8], 1 \n\t" |
| "shll_s.w %[temp5], %[temp6], 24 \n\t" |
| "addu %[temp3], %[temp4], %[temp8] \n\t" |
| "sra %[temp5], %[temp5], 24 \n\t" |
| "addu %[temp3], %[temp3], %[temp5] \n\t" |
| "addiu %[temp7], %[temp3], 3 \n\t" |
| "sra %[temp7], %[temp7], 3 \n\t" |
| "shra_r.w %[temp8], %[temp3], 3 \n\t" |
| "shll_s.w %[temp0], %[temp7], 27 \n\t" |
| "shll_s.w %[temp4], %[temp8], 27 \n\t" |
| "sra %[temp0], %[temp0], 27 \n\t" |
| "sra %[temp4], %[temp4], 27 \n\t" |
| "addu %[temp7], %[temp1], %[temp0] \n\t" |
| "subu %[temp2], %[temp2], %[temp4] \n\t" |
| "lbux %[temp3], %[temp7](%[VP8kclip1]) \n\t" |
| "lbux %[temp4], %[temp2](%[VP8kclip1]) \n\t" |
| "sb %[temp3], -1(%[p]) \n\t" |
| "sb %[temp4], 0(%[p]) \n\t" |
| "1: \n\t" |
| "bgtz %[i], 0b \n\t" |
| " addu %[p], %[p], %[stride] \n\t" |
| ".set pop \n\t" |
| : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), |
| [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
| [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), |
| [p]"+&r"(p), [i]"=&r"(i) |
| : [stride]"r"(stride), [VP8kclip1]"r"(VP8kclip1), [thresh2]"r"(thresh2) |
| : "memory" |
| ); |
| } |
| |
| static void SimpleVFilter16i(uint8_t* p, int stride, int thresh) { |
| int k; |
| for (k = 3; k > 0; --k) { |
| p += 4 * stride; |
| SimpleVFilter16(p, stride, thresh); |
| } |
| } |
| |
| static void SimpleHFilter16i(uint8_t* p, int stride, int thresh) { |
| int k; |
| for (k = 3; k > 0; --k) { |
| p += 4; |
| SimpleHFilter16(p, stride, thresh); |
| } |
| } |
| |
| // DST[A * BPS] = TEMP0 |
| // DST[B + C * BPS] = TEMP1 |
| #define STORE_8_BYTES(TEMP0, TEMP1, A, B, C, DST) \ |
| "usw %[" #TEMP0 "], " #A "*" XSTR(BPS) "(%[" #DST "]) \n\t" \ |
| "usw %[" #TEMP1 "], " #B "+" #C "*" XSTR(BPS) "(%[" #DST "]) \n\t" |
| |
| static void VE4(uint8_t* dst) { // vertical |
| const uint8_t* top = dst - BPS; |
| int temp0, temp1, temp2, temp3, temp4, temp5, temp6; |
| __asm__ volatile ( |
| "ulw %[temp0], -1(%[top]) \n\t" |
| "ulh %[temp1], 3(%[top]) \n\t" |
| "preceu.ph.qbr %[temp2], %[temp0] \n\t" |
| "preceu.ph.qbl %[temp3], %[temp0] \n\t" |
| "preceu.ph.qbr %[temp4], %[temp1] \n\t" |
| "packrl.ph %[temp5], %[temp3], %[temp2] \n\t" |
| "packrl.ph %[temp6], %[temp4], %[temp3] \n\t" |
| "shll.ph %[temp5], %[temp5], 1 \n\t" |
| "shll.ph %[temp6], %[temp6], 1 \n\t" |
| "addq.ph %[temp2], %[temp5], %[temp2] \n\t" |
| "addq.ph %[temp6], %[temp6], %[temp4] \n\t" |
| "addq.ph %[temp2], %[temp2], %[temp3] \n\t" |
| "addq.ph %[temp6], %[temp6], %[temp3] \n\t" |
| "shra_r.ph %[temp2], %[temp2], 2 \n\t" |
| "shra_r.ph %[temp6], %[temp6], 2 \n\t" |
| "precr.qb.ph %[temp4], %[temp6], %[temp2] \n\t" |
| STORE_8_BYTES(temp4, temp4, 0, 0, 1, dst) |
| STORE_8_BYTES(temp4, temp4, 2, 0, 3, dst) |
| : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), |
| [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
| [temp6]"=&r"(temp6) |
| : [top]"r"(top), [dst]"r"(dst) |
| : "memory" |
| ); |
| } |
| |
| static void DC4(uint8_t* dst) { // DC |
| int temp0, temp1, temp2, temp3, temp4; |
| __asm__ volatile ( |
| "ulw %[temp0], -1*" XSTR(BPS) "(%[dst]) \n\t" |
| LOAD_4_BYTES(temp1, temp2, temp3, temp4, -1, 0, -1, 1, -1, 2, -1, 3, dst) |
| "ins %[temp1], %[temp2], 8, 8 \n\t" |
| "ins %[temp1], %[temp3], 16, 8 \n\t" |
| "ins %[temp1], %[temp4], 24, 8 \n\t" |
| "raddu.w.qb %[temp0], %[temp0] \n\t" |
| "raddu.w.qb %[temp1], %[temp1] \n\t" |
| "addu %[temp0], %[temp0], %[temp1] \n\t" |
| "shra_r.w %[temp0], %[temp0], 3 \n\t" |
| "replv.qb %[temp0], %[temp0] \n\t" |
| STORE_8_BYTES(temp0, temp0, 0, 0, 1, dst) |
| STORE_8_BYTES(temp0, temp0, 2, 0, 3, dst) |
| : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), |
| [temp3]"=&r"(temp3), [temp4]"=&r"(temp4) |
| : [dst]"r"(dst) |
| : "memory" |
| ); |
| } |
| |
| static void RD4(uint8_t* dst) { // Down-right |
| int temp0, temp1, temp2, temp3, temp4; |
| int temp5, temp6, temp7, temp8; |
| __asm__ volatile ( |
| LOAD_4_BYTES(temp0, temp1, temp2, temp3, -1, 0, -1, 1, -1, 2, -1, 3, dst) |
| "ulw %[temp7], -1-" XSTR(BPS) "(%[dst]) \n\t" |
| "ins %[temp1], %[temp0], 16, 16 \n\t" |
| "preceu.ph.qbr %[temp5], %[temp7] \n\t" |
| "ins %[temp2], %[temp1], 16, 16 \n\t" |
| "preceu.ph.qbl %[temp4], %[temp7] \n\t" |
| "ins %[temp3], %[temp2], 16, 16 \n\t" |
| "shll.ph %[temp2], %[temp2], 1 \n\t" |
| "addq.ph %[temp3], %[temp3], %[temp1] \n\t" |
| "packrl.ph %[temp6], %[temp5], %[temp1] \n\t" |
| "addq.ph %[temp3], %[temp3], %[temp2] \n\t" |
| "addq.ph %[temp1], %[temp1], %[temp5] \n\t" |
| "shll.ph %[temp6], %[temp6], 1 \n\t" |
| "addq.ph %[temp1], %[temp1], %[temp6] \n\t" |
| "packrl.ph %[temp0], %[temp4], %[temp5] \n\t" |
| "addq.ph %[temp8], %[temp5], %[temp4] \n\t" |
| "shra_r.ph %[temp3], %[temp3], 2 \n\t" |
| "shll.ph %[temp0], %[temp0], 1 \n\t" |
| "shra_r.ph %[temp1], %[temp1], 2 \n\t" |
| "addq.ph %[temp8], %[temp0], %[temp8] \n\t" |
| "lbu %[temp5], 3-" XSTR(BPS) "(%[dst]) \n\t" |
| "precrq.ph.w %[temp7], %[temp7], %[temp7] \n\t" |
| "shra_r.ph %[temp8], %[temp8], 2 \n\t" |
| "ins %[temp7], %[temp5], 0, 8 \n\t" |
| "precr.qb.ph %[temp2], %[temp1], %[temp3] \n\t" |
| "raddu.w.qb %[temp4], %[temp7] \n\t" |
| "precr.qb.ph %[temp6], %[temp8], %[temp1] \n\t" |
| "shra_r.w %[temp4], %[temp4], 2 \n\t" |
| STORE_8_BYTES(temp2, temp6, 3, 0, 1, dst) |
| "prepend %[temp2], %[temp8], 8 \n\t" |
| "prepend %[temp6], %[temp4], 8 \n\t" |
| STORE_8_BYTES(temp2, temp6, 2, 0, 0, dst) |
| : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), |
| [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
| [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8) |
| : [dst]"r"(dst) |
| : "memory" |
| ); |
| } |
| |
| // TEMP0 = SRC[A * BPS] |
| // TEMP1 = SRC[B + C * BPS] |
| #define LOAD_8_BYTES(TEMP0, TEMP1, A, B, C, SRC) \ |
| "ulw %[" #TEMP0 "], " #A "*" XSTR(BPS) "(%[" #SRC "]) \n\t" \ |
| "ulw %[" #TEMP1 "], " #B "+" #C "*" XSTR(BPS) "(%[" #SRC "]) \n\t" |
| |
| static void LD4(uint8_t* dst) { // Down-Left |
| int temp0, temp1, temp2, temp3, temp4; |
| int temp5, temp6, temp7, temp8, temp9; |
| __asm__ volatile ( |
| LOAD_8_BYTES(temp0, temp1, -1, 4, -1, dst) |
| "preceu.ph.qbl %[temp2], %[temp0] \n\t" |
| "preceu.ph.qbr %[temp3], %[temp0] \n\t" |
| "preceu.ph.qbr %[temp4], %[temp1] \n\t" |
| "preceu.ph.qbl %[temp5], %[temp1] \n\t" |
| "packrl.ph %[temp6], %[temp2], %[temp3] \n\t" |
| "packrl.ph %[temp7], %[temp4], %[temp2] \n\t" |
| "packrl.ph %[temp8], %[temp5], %[temp4] \n\t" |
| "shll.ph %[temp6], %[temp6], 1 \n\t" |
| "addq.ph %[temp9], %[temp2], %[temp6] \n\t" |
| "shll.ph %[temp7], %[temp7], 1 \n\t" |
| "addq.ph %[temp9], %[temp9], %[temp3] \n\t" |
| "shll.ph %[temp8], %[temp8], 1 \n\t" |
| "shra_r.ph %[temp9], %[temp9], 2 \n\t" |
| "addq.ph %[temp3], %[temp4], %[temp7] \n\t" |
| "addq.ph %[temp0], %[temp5], %[temp8] \n\t" |
| "addq.ph %[temp3], %[temp3], %[temp2] \n\t" |
| "addq.ph %[temp0], %[temp0], %[temp4] \n\t" |
| "shra_r.ph %[temp3], %[temp3], 2 \n\t" |
| "shra_r.ph %[temp0], %[temp0], 2 \n\t" |
| "srl %[temp1], %[temp1], 24 \n\t" |
| "sll %[temp1], %[temp1], 1 \n\t" |
| "raddu.w.qb %[temp5], %[temp5] \n\t" |
| "precr.qb.ph %[temp9], %[temp3], %[temp9] \n\t" |
| "precr.qb.ph %[temp3], %[temp0], %[temp3] \n\t" |
| "addu %[temp1], %[temp1], %[temp5] \n\t" |
| "shra_r.w %[temp1], %[temp1], 2 \n\t" |
| STORE_8_BYTES(temp9, temp3, 0, 0, 2, dst) |
| "prepend %[temp9], %[temp0], 8 \n\t" |
| "prepend %[temp3], %[temp1], 8 \n\t" |
| STORE_8_BYTES(temp9, temp3, 1, 0, 3, dst) |
| : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), |
| [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
| [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), |
| [temp9]"=&r"(temp9) |
| : [dst]"r"(dst) |
| : "memory" |
| ); |
| } |
| |
| //------------------------------------------------------------------------------ |
| // Chroma |
| |
| static void DC8uv(uint8_t* dst) { // DC |
| int temp0, temp1, temp2, temp3, temp4; |
| int temp5, temp6, temp7, temp8, temp9; |
| __asm__ volatile ( |
| LOAD_8_BYTES(temp0, temp1, -1, 4, -1, dst) |
| LOAD_4_BYTES(temp2, temp3, temp4, temp5, -1, 0, -1, 1, -1, 2, -1, 3, dst) |
| LOAD_4_BYTES(temp6, temp7, temp8, temp9, -1, 4, -1, 5, -1, 6, -1, 7, dst) |
| "raddu.w.qb %[temp0], %[temp0] \n\t" |
| "raddu.w.qb %[temp1], %[temp1] \n\t" |
| "addu %[temp2], %[temp2], %[temp3] \n\t" |
| "addu %[temp4], %[temp4], %[temp5] \n\t" |
| "addu %[temp6], %[temp6], %[temp7] \n\t" |
| "addu %[temp8], %[temp8], %[temp9] \n\t" |
| "addu %[temp0], %[temp0], %[temp1] \n\t" |
| "addu %[temp2], %[temp2], %[temp4] \n\t" |
| "addu %[temp6], %[temp6], %[temp8] \n\t" |
| "addu %[temp0], %[temp0], %[temp2] \n\t" |
| "addu %[temp0], %[temp0], %[temp6] \n\t" |
| "shra_r.w %[temp0], %[temp0], 4 \n\t" |
| "replv.qb %[temp0], %[temp0] \n\t" |
| STORE_8_BYTES(temp0, temp0, 0, 4, 0, dst) |
| STORE_8_BYTES(temp0, temp0, 1, 4, 1, dst) |
| STORE_8_BYTES(temp0, temp0, 2, 4, 2, dst) |
| STORE_8_BYTES(temp0, temp0, 3, 4, 3, dst) |
| STORE_8_BYTES(temp0, temp0, 4, 4, 4, dst) |
| STORE_8_BYTES(temp0, temp0, 5, 4, 5, dst) |
| STORE_8_BYTES(temp0, temp0, 6, 4, 6, dst) |
| STORE_8_BYTES(temp0, temp0, 7, 4, 7, dst) |
| : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), |
| [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
| [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8), |
| [temp9]"=&r"(temp9) |
| : [dst]"r"(dst) |
| : "memory" |
| ); |
| } |
| |
| static void DC8uvNoLeft(uint8_t* dst) { // DC with no left samples |
| int temp0, temp1; |
| __asm__ volatile ( |
| LOAD_8_BYTES(temp0, temp1, -1, 4, -1, dst) |
| "raddu.w.qb %[temp0], %[temp0] \n\t" |
| "raddu.w.qb %[temp1], %[temp1] \n\t" |
| "addu %[temp0], %[temp0], %[temp1] \n\t" |
| "shra_r.w %[temp0], %[temp0], 3 \n\t" |
| "replv.qb %[temp0], %[temp0] \n\t" |
| STORE_8_BYTES(temp0, temp0, 0, 4, 0, dst) |
| STORE_8_BYTES(temp0, temp0, 1, 4, 1, dst) |
| STORE_8_BYTES(temp0, temp0, 2, 4, 2, dst) |
| STORE_8_BYTES(temp0, temp0, 3, 4, 3, dst) |
| STORE_8_BYTES(temp0, temp0, 4, 4, 4, dst) |
| STORE_8_BYTES(temp0, temp0, 5, 4, 5, dst) |
| STORE_8_BYTES(temp0, temp0, 6, 4, 6, dst) |
| STORE_8_BYTES(temp0, temp0, 7, 4, 7, dst) |
| : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1) |
| : [dst]"r"(dst) |
| : "memory" |
| ); |
| } |
| |
| static void DC8uvNoTop(uint8_t* dst) { // DC with no top samples |
| int temp0, temp1, temp2, temp3, temp4; |
| int temp5, temp6, temp7, temp8; |
| __asm__ volatile ( |
| LOAD_4_BYTES(temp2, temp3, temp4, temp5, -1, 0, -1, 1, -1, 2, -1, 3, dst) |
| LOAD_4_BYTES(temp6, temp7, temp8, temp1, -1, 4, -1, 5, -1, 6, -1, 7, dst) |
| "addu %[temp2], %[temp2], %[temp3] \n\t" |
| "addu %[temp4], %[temp4], %[temp5] \n\t" |
| "addu %[temp6], %[temp6], %[temp7] \n\t" |
| "addu %[temp8], %[temp8], %[temp1] \n\t" |
| "addu %[temp2], %[temp2], %[temp4] \n\t" |
| "addu %[temp6], %[temp6], %[temp8] \n\t" |
| "addu %[temp0], %[temp6], %[temp2] \n\t" |
| "shra_r.w %[temp0], %[temp0], 3 \n\t" |
| "replv.qb %[temp0], %[temp0] \n\t" |
| STORE_8_BYTES(temp0, temp0, 0, 4, 0, dst) |
| STORE_8_BYTES(temp0, temp0, 1, 4, 1, dst) |
| STORE_8_BYTES(temp0, temp0, 2, 4, 2, dst) |
| STORE_8_BYTES(temp0, temp0, 3, 4, 3, dst) |
| STORE_8_BYTES(temp0, temp0, 4, 4, 4, dst) |
| STORE_8_BYTES(temp0, temp0, 5, 4, 5, dst) |
| STORE_8_BYTES(temp0, temp0, 6, 4, 6, dst) |
| STORE_8_BYTES(temp0, temp0, 7, 4, 7, dst) |
| : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), |
| [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
| [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8) |
| : [dst]"r"(dst) |
| : "memory" |
| ); |
| } |
| |
| #undef LOAD_8_BYTES |
| #undef STORE_8_BYTES |
| #undef LOAD_4_BYTES |
| |
| #define CLIPPING(SIZE) \ |
| "preceu.ph.qbl %[temp2], %[temp0] \n\t" \ |
| "preceu.ph.qbr %[temp0], %[temp0] \n\t" \ |
| ".if " #SIZE " == 8 \n\t" \ |
| "preceu.ph.qbl %[temp3], %[temp1] \n\t" \ |
| "preceu.ph.qbr %[temp1], %[temp1] \n\t" \ |
| ".endif \n\t" \ |
| "addu.ph %[temp2], %[temp2], %[dst_1] \n\t" \ |
| "addu.ph %[temp0], %[temp0], %[dst_1] \n\t" \ |
| ".if " #SIZE " == 8 \n\t" \ |
| "addu.ph %[temp3], %[temp3], %[dst_1] \n\t" \ |
| "addu.ph %[temp1], %[temp1], %[dst_1] \n\t" \ |
| ".endif \n\t" \ |
| "shll_s.ph %[temp2], %[temp2], 7 \n\t" \ |
| "shll_s.ph %[temp0], %[temp0], 7 \n\t" \ |
| ".if " #SIZE " == 8 \n\t" \ |
| "shll_s.ph %[temp3], %[temp3], 7 \n\t" \ |
| "shll_s.ph %[temp1], %[temp1], 7 \n\t" \ |
| ".endif \n\t" \ |
| "precrqu_s.qb.ph %[temp0], %[temp2], %[temp0] \n\t" \ |
| ".if " #SIZE " == 8 \n\t" \ |
| "precrqu_s.qb.ph %[temp1], %[temp3], %[temp1] \n\t" \ |
| ".endif \n\t" |
| |
| |
| #define CLIP_8B_TO_DST(DST, TOP, SIZE) do { \ |
| int dst_1 = ((int)(DST)[-1] << 16) + (DST)[-1]; \ |
| int temp0, temp1, temp2, temp3; \ |
| __asm__ volatile ( \ |
| ".if " #SIZE " < 8 \n\t" \ |
| "ulw %[temp0], 0(%[top]) \n\t" \ |
| "subu.ph %[dst_1], %[dst_1], %[top_1] \n\t" \ |
| CLIPPING(4) \ |
| "usw %[temp0], 0(%[dst]) \n\t" \ |
| ".else \n\t" \ |
| "ulw %[temp0], 0(%[top]) \n\t" \ |
| "ulw %[temp1], 4(%[top]) \n\t" \ |
| "subu.ph %[dst_1], %[dst_1], %[top_1] \n\t" \ |
| CLIPPING(8) \ |
| "usw %[temp0], 0(%[dst]) \n\t" \ |
| "usw %[temp1], 4(%[dst]) \n\t" \ |
| ".if " #SIZE " == 16 \n\t" \ |
| "ulw %[temp0], 8(%[top]) \n\t" \ |
| "ulw %[temp1], 12(%[top]) \n\t" \ |
| CLIPPING(8) \ |
| "usw %[temp0], 8(%[dst]) \n\t" \ |
| "usw %[temp1], 12(%[dst]) \n\t" \ |
| ".endif \n\t" \ |
| ".endif \n\t" \ |
| : [dst_1]"+&r"(dst_1), [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), \ |
| [temp2]"=&r"(temp2), [temp3]"=&r"(temp3) \ |
| : [top_1]"r"(top_1), [top]"r"((TOP)), [dst]"r"((DST)) \ |
| : "memory" \ |
| ); \ |
| } while (0) |
| |
| #define CLIP_TO_DST(DST, SIZE) do { \ |
| int y; \ |
| const uint8_t* top = (DST) - BPS; \ |
| const int top_1 = ((int)top[-1] << 16) + top[-1]; \ |
| for (y = 0; y < (SIZE); ++y) { \ |
| CLIP_8B_TO_DST((DST), top, (SIZE)); \ |
| (DST) += BPS; \ |
| } \ |
| } while (0) |
| |
| #define TRUE_MOTION(DST, SIZE) \ |
| static void TrueMotion##SIZE(uint8_t* (DST)) { \ |
| CLIP_TO_DST((DST), (SIZE)); \ |
| } |
| |
| TRUE_MOTION(dst, 4) |
| TRUE_MOTION(dst, 8) |
| TRUE_MOTION(dst, 16) |
| |
| #undef TRUE_MOTION |
| #undef CLIP_TO_DST |
| #undef CLIP_8B_TO_DST |
| #undef CLIPPING |
| |
| //------------------------------------------------------------------------------ |
| // Entry point |
| |
| extern void VP8DspInitMIPSdspR2(void); |
| |
| WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMIPSdspR2(void) { |
| VP8TransformDC = TransformDC; |
| VP8TransformAC3 = TransformAC3; |
| VP8Transform = TransformTwo; |
| |
| VP8VFilter16 = VFilter16; |
| VP8HFilter16 = HFilter16; |
| VP8VFilter8 = VFilter8; |
| VP8HFilter8 = HFilter8; |
| VP8VFilter16i = VFilter16i; |
| VP8HFilter16i = HFilter16i; |
| VP8VFilter8i = VFilter8i; |
| VP8HFilter8i = HFilter8i; |
| VP8SimpleVFilter16 = SimpleVFilter16; |
| VP8SimpleHFilter16 = SimpleHFilter16; |
| VP8SimpleVFilter16i = SimpleVFilter16i; |
| VP8SimpleHFilter16i = SimpleHFilter16i; |
| |
| VP8PredLuma4[0] = DC4; |
| VP8PredLuma4[1] = TrueMotion4; |
| VP8PredLuma4[2] = VE4; |
| VP8PredLuma4[4] = RD4; |
| VP8PredLuma4[6] = LD4; |
| |
| VP8PredChroma8[0] = DC8uv; |
| VP8PredChroma8[1] = TrueMotion8; |
| VP8PredChroma8[4] = DC8uvNoTop; |
| VP8PredChroma8[5] = DC8uvNoLeft; |
| |
| VP8PredLuma16[1] = TrueMotion16; |
| } |
| |
| #else // !WEBP_USE_MIPS_DSP_R2 |
| |
| WEBP_DSP_INIT_STUB(VP8DspInitMIPSdspR2) |
| |
| #endif // WEBP_USE_MIPS_DSP_R2 |