233 lines
10 KiB
C
233 lines
10 KiB
C
/*
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* Copyright 2016 The LibYuv Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef INCLUDE_LIBYUV_MACROS_MSA_H_
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#define INCLUDE_LIBYUV_MACROS_MSA_H_
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#if !defined(LIBYUV_DISABLE_MSA) && defined(__mips_msa)
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#include <msa.h>
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#include <stdint.h>
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#if (__mips_isa_rev >= 6)
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#define LW(psrc) \
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({ \
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uint8* psrc_lw_m = (uint8*)(psrc); /* NOLINT */ \
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uint32 val_m; \
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asm volatile("lw %[val_m], %[psrc_lw_m] \n" \
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: [val_m] "=r"(val_m) \
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: [psrc_lw_m] "m"(*psrc_lw_m)); \
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val_m; \
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})
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#if (__mips == 64)
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#define LD(psrc) \
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({ \
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uint8* psrc_ld_m = (uint8*)(psrc); /* NOLINT */ \
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uint64 val_m = 0; \
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asm volatile("ld %[val_m], %[psrc_ld_m] \n" \
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: [val_m] "=r"(val_m) \
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: [psrc_ld_m] "m"(*psrc_ld_m)); \
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val_m; \
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})
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#else // !(__mips == 64)
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#define LD(psrc) \
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({ \
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uint8* psrc_ld_m = (uint8*)(psrc); /* NOLINT */ \
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uint32 val0_m, val1_m; \
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uint64 val_m = 0; \
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val0_m = LW(psrc_ld_m); \
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val1_m = LW(psrc_ld_m + 4); \
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val_m = (uint64)(val1_m); /* NOLINT */ \
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val_m = (uint64)((val_m << 32) & 0xFFFFFFFF00000000); /* NOLINT */ \
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val_m = (uint64)(val_m | (uint64)val0_m); /* NOLINT */ \
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val_m; \
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})
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#endif // (__mips == 64)
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#define SW(val, pdst) \
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({ \
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uint8_t* pdst_sw_m = (uint8_t*)(pdst); /* NOLINT */ \
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uint32_t val_m = (val); \
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asm volatile("sw %[val_m], %[pdst_sw_m] \n" \
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: [pdst_sw_m] "=m"(*pdst_sw_m) \
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: [val_m] "r"(val_m)); \
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})
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#if (__mips == 64)
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#define SD(val, pdst) \
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({ \
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uint8_t* pdst_sd_m = (uint8_t*)(pdst); /* NOLINT */ \
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uint64_t val_m = (val); \
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asm volatile("sd %[val_m], %[pdst_sd_m] \n" \
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: [pdst_sd_m] "=m"(*pdst_sd_m) \
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: [val_m] "r"(val_m)); \
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})
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#else // !(__mips == 64)
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#define SD(val, pdst) \
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({ \
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uint8_t* pdst_sd_m = (uint8_t*)(pdst); /* NOLINT */ \
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uint32_t val0_m, val1_m; \
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val0_m = (uint32_t)((val)&0x00000000FFFFFFFF); \
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val1_m = (uint32_t)(((val) >> 32) & 0x00000000FFFFFFFF); \
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SW(val0_m, pdst_sd_m); \
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SW(val1_m, pdst_sd_m + 4); \
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})
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#endif // !(__mips == 64)
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#else // !(__mips_isa_rev >= 6)
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#define LW(psrc) \
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({ \
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uint8* psrc_lw_m = (uint8*)(psrc); /* NOLINT */ \
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uint32 val_m; \
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asm volatile("ulw %[val_m], %[psrc_lw_m] \n" \
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: [val_m] "=r"(val_m) \
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: [psrc_lw_m] "m"(*psrc_lw_m)); \
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val_m; \
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})
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#if (__mips == 64)
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#define LD(psrc) \
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({ \
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uint8* psrc_ld_m = (uint8*)(psrc); /* NOLINT */ \
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uint64 val_m = 0; \
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asm volatile("uld %[val_m], %[psrc_ld_m] \n" \
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: [val_m] "=r"(val_m) \
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: [psrc_ld_m] "m"(*psrc_ld_m)); \
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val_m; \
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})
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#else // !(__mips == 64)
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#define LD(psrc) \
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({ \
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uint8* psrc_ld_m = (uint8*)(psrc); /* NOLINT */ \
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uint32 val0_m, val1_m; \
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uint64 val_m = 0; \
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val0_m = LW(psrc_ld_m); \
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val1_m = LW(psrc_ld_m + 4); \
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val_m = (uint64)(val1_m); /* NOLINT */ \
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val_m = (uint64)((val_m << 32) & 0xFFFFFFFF00000000); /* NOLINT */ \
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val_m = (uint64)(val_m | (uint64)val0_m); /* NOLINT */ \
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val_m; \
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})
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#endif // (__mips == 64)
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#define SW(val, pdst) \
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({ \
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uint8_t* pdst_sw_m = (uint8_t*)(pdst); /* NOLINT */ \
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uint32_t val_m = (val); \
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asm volatile("usw %[val_m], %[pdst_sw_m] \n" \
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: [pdst_sw_m] "=m"(*pdst_sw_m) \
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: [val_m] "r"(val_m)); \
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})
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#define SD(val, pdst) \
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({ \
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uint8_t* pdst_sd_m = (uint8_t*)(pdst); /* NOLINT */ \
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uint32_t val0_m, val1_m; \
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val0_m = (uint32_t)((val)&0x00000000FFFFFFFF); \
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val1_m = (uint32_t)(((val) >> 32) & 0x00000000FFFFFFFF); \
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SW(val0_m, pdst_sd_m); \
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SW(val1_m, pdst_sd_m + 4); \
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})
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#endif // (__mips_isa_rev >= 6)
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// TODO(fbarchard): Consider removing __VAR_ARGS versions.
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#define LD_B(RTYPE, psrc) *((RTYPE*)(psrc)) /* NOLINT */
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#define LD_UB(...) LD_B(v16u8, __VA_ARGS__)
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#define ST_B(RTYPE, in, pdst) *((RTYPE*)(pdst)) = (in) /* NOLINT */
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#define ST_UB(...) ST_B(v16u8, __VA_ARGS__)
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#define ST_H(RTYPE, in, pdst) *((RTYPE*)(pdst)) = (in) /* NOLINT */
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#define ST_UH(...) ST_H(v8u16, __VA_ARGS__)
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/* Description : Load two vectors with 16 'byte' sized elements
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Arguments : Inputs - psrc, stride
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Outputs - out0, out1
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Return Type - as per RTYPE
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Details : Load 16 byte elements in 'out0' from (psrc)
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Load 16 byte elements in 'out1' from (psrc + stride)
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*/
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#define LD_B2(RTYPE, psrc, stride, out0, out1) \
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{ \
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out0 = LD_B(RTYPE, (psrc)); \
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out1 = LD_B(RTYPE, (psrc) + stride); \
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}
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#define LD_UB2(...) LD_B2(v16u8, __VA_ARGS__)
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#define LD_B4(RTYPE, psrc, stride, out0, out1, out2, out3) \
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{ \
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LD_B2(RTYPE, (psrc), stride, out0, out1); \
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LD_B2(RTYPE, (psrc) + 2 * stride, stride, out2, out3); \
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}
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#define LD_UB4(...) LD_B4(v16u8, __VA_ARGS__)
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/* Description : Store two vectors with stride each having 16 'byte' sized
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elements
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Arguments : Inputs - in0, in1, pdst, stride
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Details : Store 16 byte elements from 'in0' to (pdst)
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Store 16 byte elements from 'in1' to (pdst + stride)
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*/
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#define ST_B2(RTYPE, in0, in1, pdst, stride) \
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{ \
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ST_B(RTYPE, in0, (pdst)); \
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ST_B(RTYPE, in1, (pdst) + stride); \
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}
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#define ST_UB2(...) ST_B2(v16u8, __VA_ARGS__)
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#define ST_B4(RTYPE, in0, in1, in2, in3, pdst, stride) \
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{ \
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ST_B2(RTYPE, in0, in1, (pdst), stride); \
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ST_B2(RTYPE, in2, in3, (pdst) + 2 * stride, stride); \
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}
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#define ST_UB4(...) ST_B4(v16u8, __VA_ARGS__)
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/* Description : Store vectors of 8 halfword elements with stride
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Arguments : Inputs - in0, in1, pdst, stride
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Details : Store 8 halfword elements from 'in0' to (pdst)
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Store 8 halfword elements from 'in1' to (pdst + stride)
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*/
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#define ST_H2(RTYPE, in0, in1, pdst, stride) \
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{ \
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ST_H(RTYPE, in0, (pdst)); \
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ST_H(RTYPE, in1, (pdst) + stride); \
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}
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#define ST_UH2(...) ST_H2(v8u16, __VA_ARGS__)
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// TODO(fbarchard): Consider using __msa_vshf_b and __msa_ilvr_b directly.
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/* Description : Shuffle byte vector elements as per mask vector
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Arguments : Inputs - in0, in1, in2, in3, mask0, mask1
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Outputs - out0, out1
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Return Type - as per RTYPE
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Details : Byte elements from 'in0' & 'in1' are copied selectively to
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'out0' as per control vector 'mask0'
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*/
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#define VSHF_B2(RTYPE, in0, in1, in2, in3, mask0, mask1, out0, out1) \
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{ \
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out0 = (RTYPE)__msa_vshf_b((v16i8)mask0, (v16i8)in1, (v16i8)in0); \
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out1 = (RTYPE)__msa_vshf_b((v16i8)mask1, (v16i8)in3, (v16i8)in2); \
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}
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#define VSHF_B2_UB(...) VSHF_B2(v16u8, __VA_ARGS__)
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/* Description : Interleave both left and right half of input vectors
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Arguments : Inputs - in0, in1
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Outputs - out0, out1
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Return Type - as per RTYPE
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Details : Right half of byte elements from 'in0' and 'in1' are
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interleaved and written to 'out0'
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*/
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#define ILVRL_B2(RTYPE, in0, in1, out0, out1) \
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{ \
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out0 = (RTYPE)__msa_ilvr_b((v16i8)in0, (v16i8)in1); \
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out1 = (RTYPE)__msa_ilvl_b((v16i8)in0, (v16i8)in1); \
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}
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#define ILVRL_B2_UB(...) ILVRL_B2(v16u8, __VA_ARGS__)
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#endif /* !defined(LIBYUV_DISABLE_MSA) && defined(__mips_msa) */
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#endif // INCLUDE_LIBYUV_MACROS_MSA_H_
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