// Copyright 2016 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. // ----------------------------------------------------------------------------- // // MSA common macros // // Author(s): Prashant Patil (prashant.patil@imgtec.com) #ifndef WEBP_DSP_MSA_MACRO_H_ #define WEBP_DSP_MSA_MACRO_H_ #include #include #if defined(__clang__) #define CLANG_BUILD #endif #ifdef CLANG_BUILD #define ADDVI_H(a, b) __msa_addvi_h((v8i16)a, b) #define SRAI_H(a, b) __msa_srai_h((v8i16)a, b) #define SRAI_W(a, b) __msa_srai_w((v4i32)a, b) #else #define ADDVI_H(a, b) (a + b) #define SRAI_H(a, b) (a >> b) #define SRAI_W(a, b) (a >> b) #endif #define LD_B(RTYPE, psrc) *((RTYPE*)(psrc)) #define LD_UB(...) LD_B(v16u8, __VA_ARGS__) #define LD_SB(...) LD_B(v16i8, __VA_ARGS__) #define LD_H(RTYPE, psrc) *((RTYPE*)(psrc)) #define LD_UH(...) LD_H(v8u16, __VA_ARGS__) #define LD_SH(...) LD_H(v8i16, __VA_ARGS__) #define LD_W(RTYPE, psrc) *((RTYPE*)(psrc)) #define LD_UW(...) LD_W(v4u32, __VA_ARGS__) #define LD_SW(...) LD_W(v4i32, __VA_ARGS__) #define ST_B(RTYPE, in, pdst) *((RTYPE*)(pdst)) = in #define ST_UB(...) ST_B(v16u8, __VA_ARGS__) #define ST_SB(...) ST_B(v16i8, __VA_ARGS__) #define ST_H(RTYPE, in, pdst) *((RTYPE*)(pdst)) = in #define ST_UH(...) ST_H(v8u16, __VA_ARGS__) #define ST_SH(...) ST_H(v8i16, __VA_ARGS__) #define ST_W(RTYPE, in, pdst) *((RTYPE*)(pdst)) = in #define ST_UW(...) ST_W(v4u32, __VA_ARGS__) #define ST_SW(...) ST_W(v4i32, __VA_ARGS__) #define MSA_LOAD_FUNC(TYPE, INSTR, FUNC_NAME) \ static inline TYPE FUNC_NAME(const void* const psrc) { \ const uint8_t* const psrc_m = (const uint8_t*)psrc; \ TYPE val_m; \ asm volatile ( \ "" #INSTR " %[val_m], %[psrc_m] \n\t" \ : [val_m] "=r" (val_m) \ : [psrc_m] "m" (*psrc_m)); \ return val_m; \ } #define MSA_LOAD(psrc, FUNC_NAME) FUNC_NAME(psrc) #define MSA_STORE_FUNC(TYPE, INSTR, FUNC_NAME) \ static inline void FUNC_NAME(TYPE val, void* const pdst) { \ uint8_t* const pdst_m = (uint8_t*)pdst; \ TYPE val_m = val; \ asm volatile ( \ " " #INSTR " %[val_m], %[pdst_m] \n\t" \ : [pdst_m] "=m" (*pdst_m) \ : [val_m] "r" (val_m)); \ } #define MSA_STORE(val, pdst, FUNC_NAME) FUNC_NAME(val, pdst) #if (__mips_isa_rev >= 6) MSA_LOAD_FUNC(uint16_t, lh, msa_lh); #define LH(psrc) MSA_LOAD(psrc, msa_lh) MSA_LOAD_FUNC(uint32_t, lw, msa_lw); #define LW(psrc) MSA_LOAD(psrc, msa_lw) #if (__mips == 64) MSA_LOAD_FUNC(uint64_t, ld, msa_ld); #define LD(psrc) MSA_LOAD(psrc, msa_ld) #else // !(__mips == 64) #define LD(psrc) ((((uint64_t)MSA_LOAD(psrc + 4, msa_lw)) << 32) | \ MSA_LOAD(psrc, msa_lw)) #endif // (__mips == 64) MSA_STORE_FUNC(uint16_t, sh, msa_sh); #define SH(val, pdst) MSA_STORE(val, pdst, msa_sh) MSA_STORE_FUNC(uint32_t, sw, msa_sw); #define SW(val, pdst) MSA_STORE(val, pdst, msa_sw) MSA_STORE_FUNC(uint64_t, sd, msa_sd); #define SD(val, pdst) MSA_STORE(val, pdst, msa_sd) #else // !(__mips_isa_rev >= 6) MSA_LOAD_FUNC(uint16_t, ulh, msa_ulh); #define LH(psrc) MSA_LOAD(psrc, msa_ulh) MSA_LOAD_FUNC(uint32_t, ulw, msa_ulw); #define LW(psrc) MSA_LOAD(psrc, msa_ulw) #if (__mips == 64) MSA_LOAD_FUNC(uint64_t, uld, msa_uld); #define LD(psrc) MSA_LOAD(psrc, msa_uld) #else // !(__mips == 64) #define LD(psrc) ((((uint64_t)MSA_LOAD(psrc + 4, msa_ulw)) << 32) | \ MSA_LOAD(psrc, msa_ulw)) #endif // (__mips == 64) MSA_STORE_FUNC(uint16_t, ush, msa_ush); #define SH(val, pdst) MSA_STORE(val, pdst, msa_ush) MSA_STORE_FUNC(uint32_t, usw, msa_usw); #define SW(val, pdst) MSA_STORE(val, pdst, msa_usw) #define SD(val, pdst) { \ uint8_t* const pdst_sd_m = (uint8_t*)(pdst); \ const uint32_t val0_m = (uint32_t)(val & 0x00000000FFFFFFFF); \ const uint32_t val1_m = (uint32_t)((val >> 32) & 0x00000000FFFFFFFF); \ SW(val0_m, pdst_sd_m); \ SW(val1_m, pdst_sd_m + 4); \ } #endif // (__mips_isa_rev >= 6) /* Description : Load 4 words with stride * Arguments : Inputs - psrc, stride * Outputs - out0, out1, out2, out3 * Details : Load word in 'out0' from (psrc) * Load word in 'out1' from (psrc + stride) * Load word in 'out2' from (psrc + 2 * stride) * Load word in 'out3' from (psrc + 3 * stride) */ #define LW4(psrc, stride, out0, out1, out2, out3) { \ const uint8_t* ptmp = (const uint8_t*)psrc; \ out0 = LW(ptmp); \ ptmp += stride; \ out1 = LW(ptmp); \ ptmp += stride; \ out2 = LW(ptmp); \ ptmp += stride; \ out3 = LW(ptmp); \ } /* Description : Store 4 words with stride * Arguments : Inputs - in0, in1, in2, in3, pdst, stride * Details : Store word from 'in0' to (pdst) * Store word from 'in1' to (pdst + stride) * Store word from 'in2' to (pdst + 2 * stride) * Store word from 'in3' to (pdst + 3 * stride) */ #define SW4(in0, in1, in2, in3, pdst, stride) { \ uint8_t* ptmp = (uint8_t*)pdst; \ SW(in0, ptmp); \ ptmp += stride; \ SW(in1, ptmp); \ ptmp += stride; \ SW(in2, ptmp); \ ptmp += stride; \ SW(in3, ptmp); \ } /* Description : Load vectors with 16 byte elements with stride * Arguments : Inputs - psrc, stride * Outputs - out0, out1 * Return Type - as per RTYPE * Details : Load 16 byte elements in 'out0' from (psrc) * Load 16 byte elements in 'out1' from (psrc + stride) */ #define LD_B2(RTYPE, psrc, stride, out0, out1) { \ out0 = LD_B(RTYPE, psrc); \ out1 = LD_B(RTYPE, psrc + stride); \ } #define LD_UB2(...) LD_B2(v16u8, __VA_ARGS__) #define LD_SB2(...) LD_B2(v16i8, __VA_ARGS__) #define LD_B4(RTYPE, psrc, stride, out0, out1, out2, out3) { \ LD_B2(RTYPE, psrc, stride, out0, out1); \ LD_B2(RTYPE, psrc + 2 * stride , stride, out2, out3); \ } #define LD_UB4(...) LD_B4(v16u8, __VA_ARGS__) #define LD_SB4(...) LD_B4(v16i8, __VA_ARGS__) /* Description : Load vectors with 8 halfword elements with stride * Arguments : Inputs - psrc, stride * Outputs - out0, out1 * Details : Load 8 halfword elements in 'out0' from (psrc) * Load 8 halfword elements in 'out1' from (psrc + stride) */ #define LD_H2(RTYPE, psrc, stride, out0, out1) { \ out0 = LD_H(RTYPE, psrc); \ out1 = LD_H(RTYPE, psrc + stride); \ } #define LD_UH2(...) LD_H2(v8u16, __VA_ARGS__) #define LD_SH2(...) LD_H2(v8i16, __VA_ARGS__) /* Description : Store 4x4 byte block to destination memory from input vector * Arguments : Inputs - in0, in1, pdst, stride * Details : 'Idx0' word element from input vector 'in0' is copied to the * GP register and stored to (pdst) * 'Idx1' word element from input vector 'in0' is copied to the * GP register and stored to (pdst + stride) * 'Idx2' word element from input vector 'in0' is copied to the * GP register and stored to (pdst + 2 * stride) * 'Idx3' word element from input vector 'in0' is copied to the * GP register and stored to (pdst + 3 * stride) */ #define ST4x4_UB(in0, in1, idx0, idx1, idx2, idx3, pdst, stride) { \ uint8_t* const pblk_4x4_m = (uint8_t*)pdst; \ const uint32_t out0_m = __msa_copy_s_w((v4i32)in0, idx0); \ const uint32_t out1_m = __msa_copy_s_w((v4i32)in0, idx1); \ const uint32_t out2_m = __msa_copy_s_w((v4i32)in1, idx2); \ const uint32_t out3_m = __msa_copy_s_w((v4i32)in1, idx3); \ SW4(out0_m, out1_m, out2_m, out3_m, pblk_4x4_m, stride); \ } /* Description : Immediate number of elements to slide * Arguments : Inputs - in0, in1, slide_val * Outputs - out * Return Type - as per RTYPE * Details : Byte elements from 'in1' vector are slid into 'in0' by * value specified in the 'slide_val' */ #define SLDI_B(RTYPE, in0, in1, slide_val) \ (RTYPE)__msa_sldi_b((v16i8)in0, (v16i8)in1, slide_val) \ #define SLDI_UB(...) SLDI_B(v16u8, __VA_ARGS__) #define SLDI_SB(...) SLDI_B(v16i8, __VA_ARGS__) #define SLDI_SH(...) SLDI_B(v8i16, __VA_ARGS__) /* Description : Shuffle halfword vector elements as per mask vector * Arguments : Inputs - in0, in1, in2, in3, mask0, mask1 * Outputs - out0, out1 * Return Type - as per RTYPE * Details : halfword elements from 'in0' & 'in1' are copied selectively to * 'out0' as per control vector 'mask0' */ #define VSHF_H2(RTYPE, in0, in1, in2, in3, mask0, mask1, out0, out1) { \ out0 = (RTYPE)__msa_vshf_h((v8i16)mask0, (v8i16)in1, (v8i16)in0); \ out1 = (RTYPE)__msa_vshf_h((v8i16)mask1, (v8i16)in3, (v8i16)in2); \ } #define VSHF_H2_UH(...) VSHF_H2(v8u16, __VA_ARGS__) #define VSHF_H2_SH(...) VSHF_H2(v8i16, __VA_ARGS__) /* Description : Clips all signed halfword elements of input vector * between 0 & 255 * Arguments : Input/output - val * Return Type - signed halfword */ #define CLIP_SH_0_255(val) { \ const v8i16 max_m = __msa_ldi_h(255); \ val = __msa_maxi_s_h((v8i16)val, 0); \ val = __msa_min_s_h(max_m, (v8i16)val); \ } #define CLIP_SH2_0_255(in0, in1) { \ CLIP_SH_0_255(in0); \ CLIP_SH_0_255(in1); \ } /* Description : Clips all signed word elements of input vector * between 0 & 255 * Arguments : Input/output - val * Return Type - signed word */ #define CLIP_SW_0_255(val) { \ const v4i32 max_m = __msa_ldi_w(255); \ val = __msa_maxi_s_w((v4i32)val, 0); \ val = __msa_min_s_w(max_m, (v4i32)val); \ } #define CLIP_SW4_0_255(in0, in1, in2, in3) { \ CLIP_SW_0_255(in0); \ CLIP_SW_0_255(in1); \ CLIP_SW_0_255(in2); \ CLIP_SW_0_255(in3); \ } /* Description : Set element n input vector to GPR value * Arguments : Inputs - in0, in1, in2, in3 * Output - out * Return Type - as per RTYPE * Details : Set element 0 in vector 'out' to value specified in 'in0' */ #define INSERT_W2(RTYPE, in0, in1, out) { \ out = (RTYPE)__msa_insert_w((v4i32)out, 0, in0); \ out = (RTYPE)__msa_insert_w((v4i32)out, 1, in1); \ } #define INSERT_W2_UB(...) INSERT_W2(v16u8, __VA_ARGS__) #define INSERT_W2_SB(...) INSERT_W2(v16i8, __VA_ARGS__) #define INSERT_W4(RTYPE, in0, in1, in2, in3, out) { \ out = (RTYPE)__msa_insert_w((v4i32)out, 0, in0); \ out = (RTYPE)__msa_insert_w((v4i32)out, 1, in1); \ out = (RTYPE)__msa_insert_w((v4i32)out, 2, in2); \ out = (RTYPE)__msa_insert_w((v4i32)out, 3, in3); \ } #define INSERT_W4_UB(...) INSERT_W4(v16u8, __VA_ARGS__) #define INSERT_W4_SB(...) INSERT_W4(v16i8, __VA_ARGS__) #define INSERT_W4_SW(...) INSERT_W4(v4i32, __VA_ARGS__) /* Description : Interleave right half of byte elements from vectors * Arguments : Inputs - in0, in1, in2, in3 * Outputs - out0, out1 * Return Type - as per RTYPE * Details : Right half of byte elements of 'in0' and 'in1' are interleaved * and written to out0. */ #define ILVR_B2(RTYPE, in0, in1, in2, in3, out0, out1) { \ out0 = (RTYPE)__msa_ilvr_b((v16i8)in0, (v16i8)in1); \ out1 = (RTYPE)__msa_ilvr_b((v16i8)in2, (v16i8)in3); \ } #define ILVR_B2_UB(...) ILVR_B2(v16u8, __VA_ARGS__) #define ILVR_B2_SB(...) ILVR_B2(v16i8, __VA_ARGS__) #define ILVR_B2_UH(...) ILVR_B2(v8u16, __VA_ARGS__) #define ILVR_B2_SH(...) ILVR_B2(v8i16, __VA_ARGS__) #define ILVR_B2_SW(...) ILVR_B2(v4i32, __VA_ARGS__) #define ILVR_B4(RTYPE, in0, in1, in2, in3, in4, in5, in6, in7, \ out0, out1, out2, out3) { \ ILVR_B2(RTYPE, in0, in1, in2, in3, out0, out1); \ ILVR_B2(RTYPE, in4, in5, in6, in7, out2, out3); \ } #define ILVR_B4_UB(...) ILVR_B4(v16u8, __VA_ARGS__) #define ILVR_B4_SB(...) ILVR_B4(v16i8, __VA_ARGS__) #define ILVR_B4_UH(...) ILVR_B4(v8u16, __VA_ARGS__) #define ILVR_B4_SH(...) ILVR_B4(v8i16, __VA_ARGS__) #define ILVR_B4_SW(...) ILVR_B4(v4i32, __VA_ARGS__) /* Description : Interleave right half of halfword elements from vectors * Arguments : Inputs - in0, in1, in2, in3 * Outputs - out0, out1 * Return Type - as per RTYPE * Details : Right half of halfword elements of 'in0' and 'in1' are * interleaved and written to 'out0'. */ #define ILVR_H2(RTYPE, in0, in1, in2, in3, out0, out1) { \ out0 = (RTYPE)__msa_ilvr_h((v8i16)in0, (v8i16)in1); \ out1 = (RTYPE)__msa_ilvr_h((v8i16)in2, (v8i16)in3); \ } #define ILVR_H2_UB(...) ILVR_H2(v16u8, __VA_ARGS__) #define ILVR_H2_SH(...) ILVR_H2(v8i16, __VA_ARGS__) #define ILVR_H2_SW(...) ILVR_H2(v4i32, __VA_ARGS__) #define ILVR_H4(RTYPE, in0, in1, in2, in3, in4, in5, in6, in7, \ out0, out1, out2, out3) { \ ILVR_H2(RTYPE, in0, in1, in2, in3, out0, out1); \ ILVR_H2(RTYPE, in4, in5, in6, in7, out2, out3); \ } #define ILVR_H4_UB(...) ILVR_H4(v16u8, __VA_ARGS__) #define ILVR_H4_SH(...) ILVR_H4(v8i16, __VA_ARGS__) #define ILVR_H4_SW(...) ILVR_H4(v4i32, __VA_ARGS__) /* Description : Interleave right half of double word elements from vectors * Arguments : Inputs - in0, in1, in2, in3 * Outputs - out0, out1 * Return Type - as per RTYPE * Details : Right half of double word elements of 'in0' and 'in1' are * interleaved and written to 'out0'. */ #define ILVR_D2(RTYPE, in0, in1, in2, in3, out0, out1) { \ out0 = (RTYPE)__msa_ilvr_d((v2i64)in0, (v2i64)in1); \ out1 = (RTYPE)__msa_ilvr_d((v2i64)in2, (v2i64)in3); \ } #define ILVR_D2_UB(...) ILVR_D2(v16u8, __VA_ARGS__) #define ILVR_D2_SB(...) ILVR_D2(v16i8, __VA_ARGS__) #define ILVR_D2_SH(...) ILVR_D2(v8i16, __VA_ARGS__) #define ILVRL_H2(RTYPE, in0, in1, out0, out1) { \ out0 = (RTYPE)__msa_ilvr_h((v8i16)in0, (v8i16)in1); \ out1 = (RTYPE)__msa_ilvl_h((v8i16)in0, (v8i16)in1); \ } #define ILVRL_H2_UB(...) ILVRL_H2(v16u8, __VA_ARGS__) #define ILVRL_H2_SB(...) ILVRL_H2(v16i8, __VA_ARGS__) #define ILVRL_H2_SH(...) ILVRL_H2(v8i16, __VA_ARGS__) #define ILVRL_H2_SW(...) ILVRL_H2(v4i32, __VA_ARGS__) #define ILVRL_H2_UW(...) ILVRL_H2(v4u32, __VA_ARGS__) #define ILVRL_W2(RTYPE, in0, in1, out0, out1) { \ out0 = (RTYPE)__msa_ilvr_w((v4i32)in0, (v4i32)in1); \ out1 = (RTYPE)__msa_ilvl_w((v4i32)in0, (v4i32)in1); \ } #define ILVRL_W2_UB(...) ILVRL_W2(v16u8, __VA_ARGS__) #define ILVRL_W2_SH(...) ILVRL_W2(v8i16, __VA_ARGS__) #define ILVRL_W2_SW(...) ILVRL_W2(v4i32, __VA_ARGS__) /* Description : Pack even byte elements of vector pairs * Arguments : Inputs - in0, in1, in2, in3 * Outputs - out0, out1 * Return Type - as per RTYPE * Details : Even byte elements of 'in0' are copied to the left half of * 'out0' & even byte elements of 'in1' are copied to the right * half of 'out0'. */ #define PCKEV_B2(RTYPE, in0, in1, in2, in3, out0, out1) { \ out0 = (RTYPE)__msa_pckev_b((v16i8)in0, (v16i8)in1); \ out1 = (RTYPE)__msa_pckev_b((v16i8)in2, (v16i8)in3); \ } #define PCKEV_B2_SB(...) PCKEV_B2(v16i8, __VA_ARGS__) #define PCKEV_B2_UB(...) PCKEV_B2(v16u8, __VA_ARGS__) #define PCKEV_B2_SH(...) PCKEV_B2(v8i16, __VA_ARGS__) #define PCKEV_B2_SW(...) PCKEV_B2(v4i32, __VA_ARGS__) /* Description : Arithmetic immediate shift right all elements of word vector * Arguments : Inputs - in0, in1, shift * Outputs - in place operation * Return Type - as per input vector RTYPE * Details : Each element of vector 'in0' is right shifted by 'shift' and * the result is written in-place. 'shift' is a GP variable. */ #define SRAI_W2(RTYPE, in0, in1, shift_val) { \ in0 = (RTYPE)SRAI_W(in0, shift_val); \ in1 = (RTYPE)SRAI_W(in1, shift_val); \ } #define SRAI_W2_SW(...) SRAI_W2(v4i32, __VA_ARGS__) #define SRAI_W2_UW(...) SRAI_W2(v4u32, __VA_ARGS__) #define SRAI_W4(RTYPE, in0, in1, in2, in3, shift_val) { \ SRAI_W2(RTYPE, in0, in1, shift_val); \ SRAI_W2(RTYPE, in2, in3, shift_val); \ } #define SRAI_W4_SW(...) SRAI_W4(v4i32, __VA_ARGS__) #define SRAI_W4_UW(...) SRAI_W4(v4u32, __VA_ARGS__) /* Description : Arithmetic shift right all elements of half-word vector * Arguments : Inputs - in0, in1, shift * Outputs - in place operation * Return Type - as per input vector RTYPE * Details : Each element of vector 'in0' is right shifted by 'shift' and * the result is written in-place. 'shift' is a GP variable. */ #define SRAI_H2(RTYPE, in0, in1, shift_val) { \ in0 = (RTYPE)SRAI_H(in0, shift_val); \ in1 = (RTYPE)SRAI_H(in1, shift_val); \ } #define SRAI_H2_SH(...) SRAI_H2(v8i16, __VA_ARGS__) #define SRAI_H2_UH(...) SRAI_H2(v8u16, __VA_ARGS__) /* Description : Arithmetic rounded shift right all elements of word vector * Arguments : Inputs - in0, in1, shift * Outputs - in place operation * Return Type - as per input vector RTYPE * Details : Each element of vector 'in0' is right shifted by 'shift' and * the result is written in-place. 'shift' is a GP variable. */ #define SRARI_W2(RTYPE, in0, in1, shift) { \ in0 = (RTYPE)__msa_srari_w((v4i32)in0, shift); \ in1 = (RTYPE)__msa_srari_w((v4i32)in1, shift); \ } #define SRARI_W2_SW(...) SRARI_W2(v4i32, __VA_ARGS__) #define SRARI_W4(RTYPE, in0, in1, in2, in3, shift) { \ SRARI_W2(RTYPE, in0, in1, shift); \ SRARI_W2(RTYPE, in2, in3, shift); \ } #define SRARI_W4_SH(...) SRARI_W4(v8i16, __VA_ARGS__) #define SRARI_W4_UW(...) SRARI_W4(v4u32, __VA_ARGS__) #define SRARI_W4_SW(...) SRARI_W4(v4i32, __VA_ARGS__) /* Description : Addition of 2 pairs of half-word vectors * Arguments : Inputs - in0, in1, in2, in3 * Outputs - out0, out1 * Details : Each element in 'in0' is added to 'in1' and result is written * to 'out0'. */ #define ADDVI_H2(RTYPE, in0, in1, in2, in3, out0, out1) { \ out0 = (RTYPE)ADDVI_H(in0, in1); \ out1 = (RTYPE)ADDVI_H(in2, in3); \ } #define ADDVI_H2_SH(...) ADDVI_H2(v8i16, __VA_ARGS__) #define ADDVI_H2_UH(...) ADDVI_H2(v8u16, __VA_ARGS__) /* Description : Addition of 2 pairs of vectors * Arguments : Inputs - in0, in1, in2, in3 * Outputs - out0, out1 * Details : Each element in 'in0' is added to 'in1' and result is written * to 'out0'. */ #define ADD2(in0, in1, in2, in3, out0, out1) { \ out0 = in0 + in1; \ out1 = in2 + in3; \ } #define ADD4(in0, in1, in2, in3, in4, in5, in6, in7, \ out0, out1, out2, out3) { \ ADD2(in0, in1, in2, in3, out0, out1); \ ADD2(in4, in5, in6, in7, out2, out3); \ } /* Description : Sign extend halfword elements from input vector and return * the result in pair of vectors * Arguments : Input - in (halfword vector) * Outputs - out0, out1 (sign extended word vectors) * Return Type - signed word * Details : Sign bit of halfword elements from input vector 'in' is * extracted and interleaved right with same vector 'in0' to * generate 4 signed word elements in 'out0' * Then interleaved left with same vector 'in0' to * generate 4 signed word elements in 'out1' */ #define UNPCK_SH_SW(in, out0, out1) { \ const v8i16 tmp_m = __msa_clti_s_h((v8i16)in, 0); \ ILVRL_H2_SW(tmp_m, in, out0, out1); \ } /* Description : Butterfly of 4 input vectors * Arguments : Inputs - in0, in1, in2, in3 * Outputs - out0, out1, out2, out3 * Details : Butterfly operation */ #define BUTTERFLY_4(in0, in1, in2, in3, out0, out1, out2, out3) { \ out0 = in0 + in3; \ out1 = in1 + in2; \ out2 = in1 - in2; \ out3 = in0 - in3; \ } /* Description : Transpose 4x4 block with word elements in vectors * Arguments : Inputs - in0, in1, in2, in3 * Outputs - out0, out1, out2, out3 * Return Type - as per RTYPE */ #define TRANSPOSE4x4_W(RTYPE, in0, in1, in2, in3, out0, out1, out2, out3) { \ v4i32 s0_m, s1_m, s2_m, s3_m; \ ILVRL_W2_SW(in1, in0, s0_m, s1_m); \ ILVRL_W2_SW(in3, in2, s2_m, s3_m); \ out0 = (RTYPE)__msa_ilvr_d((v2i64)s2_m, (v2i64)s0_m); \ out1 = (RTYPE)__msa_ilvl_d((v2i64)s2_m, (v2i64)s0_m); \ out2 = (RTYPE)__msa_ilvr_d((v2i64)s3_m, (v2i64)s1_m); \ out3 = (RTYPE)__msa_ilvl_d((v2i64)s3_m, (v2i64)s1_m); \ } #define TRANSPOSE4x4_SW_SW(...) TRANSPOSE4x4_W(v4i32, __VA_ARGS__) /* Description : Add block 4x4 * Arguments : Inputs - in0, in1, in2, in3, pdst, stride * Details : Least significant 4 bytes from each input vector are added to * the destination bytes, clipped between 0-255 and stored. */ #define ADDBLK_ST4x4_UB(in0, in1, in2, in3, pdst, stride) { \ uint32_t src0_m, src1_m, src2_m, src3_m; \ v8i16 inp0_m, inp1_m, res0_m, res1_m; \ v16i8 dst0_m = { 0 }; \ v16i8 dst1_m = { 0 }; \ const v16i8 zero_m = { 0 }; \ ILVR_D2_SH(in1, in0, in3, in2, inp0_m, inp1_m); \ LW4(pdst, stride, src0_m, src1_m, src2_m, src3_m); \ INSERT_W2_SB(src0_m, src1_m, dst0_m); \ INSERT_W2_SB(src2_m, src3_m, dst1_m); \ ILVR_B2_SH(zero_m, dst0_m, zero_m, dst1_m, res0_m, res1_m); \ ADD2(res0_m, inp0_m, res1_m, inp1_m, res0_m, res1_m); \ CLIP_SH2_0_255(res0_m, res1_m); \ PCKEV_B2_SB(res0_m, res0_m, res1_m, res1_m, dst0_m, dst1_m); \ ST4x4_UB(dst0_m, dst1_m, 0, 1, 0, 1, pdst, stride); \ } #endif /* WEBP_DSP_MSA_MACRO_H_ */