/*M/////////////////////////////////////////////////////////////////////////////////////// // // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. // // By downloading, copying, installing or using the software you agree to this license. // If you do not agree to this license, do not download, install, // copy or use the software. // // // License Agreement // For Open Source Computer Vision Library // // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. // Copyright (C) 2009, Willow Garage Inc., all rights reserved. // Copyright (C) 2013, OpenCV Foundation, all rights reserved. // Copyright (C) 2015, Itseez Inc., all rights reserved. // Third party copyrights are property of their respective owners. // // Redistribution and use in source and binary forms, with or without modification, // are permitted provided that the following conditions are met: // // * Redistribution's of source code must retain the above copyright notice, // this list of conditions and the following disclaimer. // // * Redistribution's in binary form must reproduce the above copyright notice, // this list of conditions and the following disclaimer in the documentation // and/or other materials provided with the distribution. // // * The name of the copyright holders may not be used to endorse or promote products // derived from this software without specific prior written permission. // // This software is provided by the copyright holders and contributors "as is" and // any express or implied warranties, including, but not limited to, the implied // warranties of merchantability and fitness for a particular purpose are disclaimed. // In no event shall the Intel Corporation or contributors be liable for any direct, // indirect, incidental, special, exemplary, or consequential damages // (including, but not limited to, procurement of substitute goods or services; // loss of use, data, or profits; or business interruption) however caused // and on any theory of liability, whether in contract, strict liability, // or tort (including negligence or otherwise) arising in any way out of // the use of this software, even if advised of the possibility of such damage. // //M*/ #ifndef OPENCV_HAL_VSX_UTILS_HPP #define OPENCV_HAL_VSX_UTILS_HPP #include "opencv2/core/cvdef.h" //! @addtogroup core_utils_vsx //! @{ #if CV_VSX #define FORCE_INLINE(tp) extern inline tp __attribute__((always_inline)) #define VSX_REDIRECT_1RG(rt, rg, fnm, fn2) \ FORCE_INLINE(rt) fnm(const rg& a) { return fn2(a); } #define VSX_REDIRECT_2RG(rt, rg, fnm, fn2) \ FORCE_INLINE(rt) fnm(const rg& a, const rg& b) { return fn2(a, b); } #define VSX_IMPL_PERM(rt, fnm, ...) \ FORCE_INLINE(rt) fnm(const rt& a, const rt& b) \ { static const vec_uchar16 perm = {__VA_ARGS__}; return vec_perm(a, b, perm); } #define __VSX_S16__(c, v) (c){v, v, v, v, v, v, v, v, v, v, v, v, v, v, v, v} #define __VSX_S8__(c, v) (c){v, v, v, v, v, v, v, v} #define __VSX_S4__(c, v) (c){v, v, v, v} #define __VSX_S2__(c, v) (c){v, v} typedef __vector unsigned char vec_uchar16; #define vec_uchar16_set(...) (vec_uchar16){__VA_ARGS__} #define vec_uchar16_sp(c) (__VSX_S16__(vec_uchar16, c)) #define vec_uchar16_c(v) ((vec_uchar16)(v)) #define vec_uchar16_mx vec_uchar16_sp(0xFF) #define vec_uchar16_mn vec_uchar16_sp(0) #define vec_uchar16_z vec_uchar16_mn typedef __vector signed char vec_char16; #define vec_char16_set(...) (vec_char16){__VA_ARGS__} #define vec_char16_sp(c) (__VSX_S16__(vec_char16, c)) #define vec_char16_c(v) ((vec_char16)(v)) #define vec_char16_mx vec_char16_sp(0x7F) #define vec_char16_mn vec_char16_sp(-0x7F-1) #define vec_char16_z vec_char16_sp(0) typedef __vector unsigned short vec_ushort8; #define vec_ushort8_set(...) (vec_ushort8){__VA_ARGS__} #define vec_ushort8_sp(c) (__VSX_S8__(vec_ushort8, c)) #define vec_ushort8_c(v) ((vec_ushort8)(v)) #define vec_ushort8_mx vec_ushort8_sp(0xFFFF) #define vec_ushort8_mn vec_ushort8_sp(0) #define vec_ushort8_z vec_ushort8_mn typedef __vector signed short vec_short8; #define vec_short8_set(...) (vec_short8){__VA_ARGS__} #define vec_short8_sp(c) (__VSX_S8__(vec_short8, c)) #define vec_short8_c(v) ((vec_short8)(v)) #define vec_short8_mx vec_short8_sp(0x7FFF) #define vec_short8_mn vec_short8_sp(-0x7FFF-1) #define vec_short8_z vec_short8_sp(0) typedef __vector unsigned int vec_uint4; #define vec_uint4_set(...) (vec_uint4){__VA_ARGS__} #define vec_uint4_sp(c) (__VSX_S4__(vec_uint4, c)) #define vec_uint4_c(v) ((vec_uint4)(v)) #define vec_uint4_mx vec_uint4_sp(0xFFFFFFFFU) #define vec_uint4_mn vec_uint4_sp(0) #define vec_uint4_z vec_uint4_mn typedef __vector signed int vec_int4; #define vec_int4_set(...) (vec_int4){__VA_ARGS__} #define vec_int4_sp(c) (__VSX_S4__(vec_int4, c)) #define vec_int4_c(v) ((vec_int4)(v)) #define vec_int4_mx vec_int4_sp(0x7FFFFFFF) #define vec_int4_mn vec_int4_sp(-0x7FFFFFFF-1) #define vec_int4_z vec_int4_sp(0) typedef __vector float vec_float4; #define vec_float4_set(...) (vec_float4){__VA_ARGS__} #define vec_float4_sp(c) (__VSX_S4__(vec_float4, c)) #define vec_float4_c(v) ((vec_float4)(v)) #define vec_float4_mx vec_float4_sp(3.40282347E+38F) #define vec_float4_mn vec_float4_sp(1.17549435E-38F) #define vec_float4_z vec_float4_sp(0) typedef __vector unsigned long long vec_udword2; #define vec_udword2_set(...) (vec_udword2){__VA_ARGS__} #define vec_udword2_sp(c) (__VSX_S2__(vec_udword2, c)) #define vec_udword2_c(v) ((vec_udword2)(v)) #define vec_udword2_mx vec_udword2_sp(18446744073709551615ULL) #define vec_udword2_mn vec_udword2_sp(0) #define vec_udword2_z vec_udword2_mn typedef __vector signed long long vec_dword2; #define vec_dword2_set(...) (vec_dword2){__VA_ARGS__} #define vec_dword2_sp(c) (__VSX_S2__(vec_dword2, c)) #define vec_dword2_c(v) ((vec_dword2)(v)) #define vec_dword2_mx vec_dword2_sp(9223372036854775807LL) #define vec_dword2_mn vec_dword2_sp(-9223372036854775807LL-1) #define vec_dword2_z vec_dword2_sp(0) typedef __vector double vec_double2; #define vec_double2_set(...) (vec_double2){__VA_ARGS__} #define vec_double2_c(v) ((vec_double2)(v)) #define vec_double2_sp(c) (__VSX_S2__(vec_double2, c)) #define vec_double2_mx vec_double2_sp(1.7976931348623157E+308) #define vec_double2_mn vec_double2_sp(2.2250738585072014E-308) #define vec_double2_z vec_double2_sp(0) #define vec_bchar16 __vector __bool char #define vec_bchar16_set(...) (vec_bchar16){__VA_ARGS__} #define vec_bchar16_c(v) ((vec_bchar16)(v)) #define vec_bchar16_f (__VSX_S16__(vec_bchar16, 0)) #define vec_bchar16_t (__VSX_S16__(vec_bchar16, 1)) #define vec_bshort8 __vector __bool short #define vec_bshort8_set(...) (vec_bshort8){__VA_ARGS__} #define vec_bshort8_c(v) ((vec_bshort8)(v)) #define vec_bshort8_f (__VSX_S8__(vec_bshort8, 0)) #define vec_bshort8_t (__VSX_S8__(vec_bshort8, 1)) #define vec_bint4 __vector __bool int #define vec_bint4_set(...) (vec_bint4){__VA_ARGS__} #define vec_bint4_c(v) ((vec_bint4)(v)) #define vec_bint4_f (__VSX_S4__(vec_bint4, 0)) #define vec_bint4_t (__VSX_S4__(vec_bint4, 1)) #define vec_bdword2 __vector __bool long long #define vec_bdword2_set(...) (vec_bdword2){__VA_ARGS__} #define vec_bdword2_c(v) ((vec_bdword2)(v)) #define vec_bdword2_f (__VSX_S2__(vec_bdword2, 0)) #define vec_bdword2_t (__VSX_S2__(vec_bdword2, 1)) /* * GCC VSX compatibility **/ #if defined(__GNUG__) && !defined(__IBMCPP__) && !defined(__clang__) // inline asm helper #define VSX_IMPL_1RG(rt, rto, rg, rgo, opc, fnm) \ FORCE_INLINE(rt) fnm(const rg& a) \ { rt rs; __asm__ __volatile__(#opc" %x0,%x1" : "="#rto (rs) : #rgo (a)); return rs; } #define VSX_IMPL_1VRG(rt, rg, opc, fnm) \ FORCE_INLINE(rt) fnm(const rg& a) \ { rt rs; __asm__ __volatile__(#opc" %0,%1" : "=v" (rs) : "v" (a)); return rs; } #define VSX_IMPL_2VRG_F(rt, rg, fopc, fnm) \ FORCE_INLINE(rt) fnm(const rg& a, const rg& b) \ { rt rs; __asm__ __volatile__(fopc : "=v" (rs) : "v" (a), "v" (b)); return rs; } #define VSX_IMPL_2VRG(rt, rg, opc, fnm) VSX_IMPL_2VRG_F(rt, rg, #opc" %0,%1,%2", fnm) #if __GNUG__ < 7 /* up to GCC 6 vec_mul only supports precisions and llong */ # ifdef vec_mul # undef vec_mul # endif /* * there's no a direct instruction for supporting 16-bit multiplication in ISA 2.07, * XLC Implement it by using instruction "multiply even", "multiply oden" and "permute" * todo: Do I need to support 8-bit ? **/ # define VSX_IMPL_MULH(Tvec, Tcast) \ FORCE_INLINE(Tvec) vec_mul(const Tvec& a, const Tvec& b) \ { \ static const vec_uchar16 even_perm = {0, 1, 16, 17, 4, 5, 20, 21, \ 8, 9, 24, 25, 12, 13, 28, 29}; \ return vec_perm(Tcast(vec_mule(a, b)), Tcast(vec_mulo(a, b)), even_perm); \ } VSX_IMPL_MULH(vec_short8, vec_short8_c) VSX_IMPL_MULH(vec_ushort8, vec_ushort8_c) /* vmuluwm can be used for unsigned or signed integers, that's what they said */ VSX_IMPL_2VRG(vec_int4, vec_int4, vmuluwm, vec_mul) VSX_IMPL_2VRG(vec_uint4, vec_uint4, vmuluwm, vec_mul) /* redirect to GCC builtin vec_mul, since it already supports precisions and llong */ VSX_REDIRECT_2RG(vec_float4, vec_float4, vec_mul, __builtin_vec_mul) VSX_REDIRECT_2RG(vec_double2, vec_double2, vec_mul, __builtin_vec_mul) VSX_REDIRECT_2RG(vec_dword2, vec_dword2, vec_mul, __builtin_vec_mul) VSX_REDIRECT_2RG(vec_udword2, vec_udword2, vec_mul, __builtin_vec_mul) #endif // __GNUG__ < 7 #if __GNUG__ < 6 /* * Instruction "compare greater than or equal" in ISA 2.07 only supports single * and double precision. * In XLC and new versions of GCC implement integers by using instruction "greater than" and NOR. **/ # ifdef vec_cmpge # undef vec_cmpge # endif # ifdef vec_cmple # undef vec_cmple # endif # define vec_cmple(a, b) vec_cmpge(b, a) # define VSX_IMPL_CMPGE(rt, rg, opc, fnm) \ VSX_IMPL_2VRG_F(rt, rg, #opc" %0,%2,%1\n\t xxlnor %x0,%x0,%x0", fnm) VSX_IMPL_CMPGE(vec_bchar16, vec_char16, vcmpgtsb, vec_cmpge) VSX_IMPL_CMPGE(vec_bchar16, vec_uchar16, vcmpgtub, vec_cmpge) VSX_IMPL_CMPGE(vec_bshort8, vec_short8, vcmpgtsh, vec_cmpge) VSX_IMPL_CMPGE(vec_bshort8, vec_ushort8, vcmpgtuh, vec_cmpge) VSX_IMPL_CMPGE(vec_bint4, vec_int4, vcmpgtsw, vec_cmpge) VSX_IMPL_CMPGE(vec_bint4, vec_uint4, vcmpgtuw, vec_cmpge) VSX_IMPL_CMPGE(vec_bdword2, vec_dword2, vcmpgtsd, vec_cmpge) VSX_IMPL_CMPGE(vec_bdword2, vec_udword2, vcmpgtud, vec_cmpge) /* redirect to GCC builtin cmpge, since it already supports precisions */ VSX_REDIRECT_2RG(vec_bint4, vec_float4, vec_cmpge, __builtin_vec_cmpge) VSX_REDIRECT_2RG(vec_bdword2, vec_double2, vec_cmpge, __builtin_vec_cmpge) // up to gcc5 vec_nor doesn't support bool long long # undef vec_nor template VSX_REDIRECT_2RG(T, T, vec_nor, __builtin_vec_nor) FORCE_INLINE(vec_bdword2) vec_nor(const vec_bdword2& a, const vec_bdword2& b) { return vec_bdword2_c(__builtin_vec_nor(vec_dword2_c(a), vec_dword2_c(b))); } #endif // __GNUG__ < 6 // vector population count #ifndef vec_popcnt VSX_IMPL_1VRG(vec_uchar16, vec_uchar16, vpopcntb, vec_popcnt) VSX_IMPL_1VRG(vec_uchar16, vec_char16, vpopcntb, vec_popcnt) VSX_IMPL_1VRG(vec_ushort8, vec_ushort8, vpopcnth, vec_popcnt) VSX_IMPL_1VRG(vec_ushort8, vec_short8, vpopcnth, vec_popcnt) VSX_IMPL_1VRG(vec_uint4, vec_uint4, vpopcntw, vec_popcnt) VSX_IMPL_1VRG(vec_uint4, vec_int4, vpopcntw, vec_popcnt) VSX_IMPL_1VRG(vec_udword2, vec_udword2, vpopcntd, vec_popcnt) VSX_IMPL_1VRG(vec_udword2, vec_dword2, vpopcntd, vec_popcnt) #endif // vec_popcnt #if __GNUG__ < 5 // vec_xxpermdi in gcc4 missing little-endian supports just like clang # define vec_permi(a, b, c) vec_xxpermdi(b, a, (3 ^ ((c & 1) << 1 | c >> 1))) // vec_packs doesn't support double words in gcc4 # undef vec_packs VSX_REDIRECT_2RG(vec_char16, vec_short8, vec_packs, __builtin_vec_packs) VSX_REDIRECT_2RG(vec_uchar16, vec_ushort8, vec_packs, __builtin_vec_packs) VSX_REDIRECT_2RG(vec_short8, vec_int4, vec_packs, __builtin_vec_packs) VSX_REDIRECT_2RG(vec_ushort8, vec_uint4, vec_packs, __builtin_vec_packs) VSX_IMPL_2VRG_F(vec_int4, vec_dword2, "vpksdss %0,%2,%1", vec_packs) VSX_IMPL_2VRG_F(vec_uint4, vec_udword2, "vpkudus %0,%2,%1", vec_packs) #else # define vec_permi vec_xxpermdi #endif // converts between single and double-precision #ifndef vec_cvf VSX_REDIRECT_1RG(vec_float4, vec_double2, vec_cvf, __builtin_vsx_xvcvdpsp) FORCE_INLINE(vec_double2) vec_cvf(const vec_float4& a) { return __builtin_vsx_xvcvspdp(vec_sld(a, a, 4)); } #endif // converts 32 and 64 bit integers to double-precision #ifndef vec_ctd # define vec_ctd(a, b) __vec_ctd(a) VSX_IMPL_1RG(vec_double2, wd, vec_int4, wa, xvcvsxwdp, __vec_ctd) VSX_IMPL_1RG(vec_double2, wd, vec_uint4, wa, xvcvuxwdp, __vec_ctd) VSX_IMPL_1RG(vec_double2, wd, vec_dword2, wi, xvcvsxddp, __vec_ctd) VSX_IMPL_1RG(vec_double2, wd, vec_udword2, wi, xvcvuxddp, __vec_ctd) #endif // shift left double by word immediate #ifndef vec_sldw # define vec_sldw __builtin_vsx_xxsldwi #endif // just in case if GCC doesn't define it #ifndef vec_xl # define vec_xl vec_vsx_ld # define vec_xst vec_vsx_st #endif #endif // GCC VSX compatibility /* * CLANG VSX compatibility **/ #if defined(__clang__) && !defined(__IBMCPP__) /* * CLANG doesn't support %x in the inline asm template which fixes register number * when using any of the register constraints wa, wd, wf * * For more explanation checkout PowerPC and IBM RS6000 in https://gcc.gnu.org/onlinedocs/gcc/Machine-Constraints.html * Also there's already an open bug https://bugs.llvm.org/show_bug.cgi?id=31837 * * So we're not able to use inline asm and only use built-in functions that CLANG supports */ #if __clang_major__ < 5 // implement vec_permi in a dirty way # define VSX_IMPL_CLANG_4_PERMI(Tvec) \ FORCE_INLINE(Tvec) vec_permi(const Tvec& a, const Tvec& b, unsigned const char c) \ { \ switch (c) \ { \ case 0: \ return vec_mergeh(a, b); \ case 1: \ return vec_mergel(vec_mergeh(a, a), b); \ case 2: \ return vec_mergeh(vec_mergel(a, a), b); \ default: \ return vec_mergel(a, b); \ } \ } VSX_IMPL_CLANG_4_PERMI(vec_udword2) VSX_IMPL_CLANG_4_PERMI(vec_dword2) VSX_IMPL_CLANG_4_PERMI(vec_double2) // vec_xxsldwi is missing in clang 4 # define vec_xxsldwi(a, b, c) vec_sld(a, b, (c) * 4) #else // vec_xxpermdi is missing little-endian supports in clang 4 just like gcc4 # define vec_permi(a, b, c) vec_xxpermdi(b, a, (3 ^ ((c & 1) << 1 | c >> 1))) #endif // __clang_major__ < 5 // shift left double by word immediate #ifndef vec_sldw # define vec_sldw vec_xxsldwi #endif /* converts between single and double precision */ #ifndef vec_cvf VSX_REDIRECT_1RG(vec_float4, vec_double2, vec_cvf, __builtin_vsx_xvcvdpsp) FORCE_INLINE(vec_double2) vec_cvf(const vec_float4& a) { return __builtin_vsx_xvcvspdp(vec_sld(a, a, 4)); } #endif /* converts 32 and 64 bit integers to double-precision */ #ifndef vec_ctd # define vec_ctd(a, b) __vec_ctd(a) VSX_REDIRECT_1RG(vec_double2, vec_int4, __vec_ctd, __builtin_vsx_xvcvsxwdp) VSX_REDIRECT_1RG(vec_double2, vec_uint4, __vec_ctd, __builtin_vsx_xvcvuxwdp) // implement vec_ctd for double word in a dirty way since we are missing builtin xvcvsxddp, xvcvuxddp // please try to avoid using it for double words FORCE_INLINE(vec_double2) __vec_ctd(const vec_dword2& a) { return vec_double2_set((double)vec_extract(a, 0), (double)vec_extract(a, 1)); } FORCE_INLINE(vec_double2) __vec_ctd(const vec_udword2& a) { return vec_double2_set((double)vec_extract(a, 0), (double)vec_extract(a, 1)); } #endif // Implement vec_rsqrt since clang only supports vec_rsqrte #ifndef vec_rsqrt FORCE_INLINE(vec_float4) vec_rsqrt(const vec_float4& a) { return vec_div(vec_float4_sp(1), vec_sqrt(a)); } FORCE_INLINE(vec_double2) vec_rsqrt(const vec_double2& a) { return vec_div(vec_double2_sp(1), vec_sqrt(a)); } #endif /* * __builtin_altivec_vctsxs in clang 5 and 6 causes ambiguous which used by vec_cts * so we just redefine it and cast it */ #if __clang_major__ > 4 # undef vec_cts # define vec_cts(__a, __b) \ _Generic((__a), vector float \ : (vector signed int)__builtin_altivec_vctsxs((__a), (__b)), vector double \ : __extension__({ \ vector double __ret = \ (__a) * \ (vector double)(vector unsigned long long)((0x3ffULL + (__b)) \ << 52); \ __builtin_convertvector(__ret, vector signed long long); \ })) #endif // __clang_major__ > 4 #endif // CLANG VSX compatibility /* * implement vsx_ld(offset, pointer), vsx_st(vector, offset, pointer) * load and set using offset depend on the pointer type * * implement vsx_ldf(offset, pointer), vsx_stf(vector, offset, pointer) * load and set using offset depend on fixed bytes size * * Note: In clang vec_xl and vec_xst fails to load unaligned addresses * so we are using vec_vsx_ld, vec_vsx_st instead */ #if defined(__clang__) && !defined(__IBMCPP__) # define vsx_ldf vec_vsx_ld # define vsx_stf vec_vsx_st #else // GCC , XLC # define vsx_ldf vec_xl # define vsx_stf vec_xst #endif #define VSX_OFFSET(o, p) ((o) * sizeof(*(p))) #define vsx_ld(o, p) vsx_ldf(VSX_OFFSET(o, p), p) #define vsx_st(v, o, p) vsx_stf(v, VSX_OFFSET(o, p), p) /* * implement vsx_ld2(offset, pointer), vsx_st2(vector, offset, pointer) to load and store double words * In GCC vec_xl and vec_xst it maps to vec_vsx_ld, vec_vsx_st which doesn't support long long * and in CLANG we are using vec_vsx_ld, vec_vsx_st because vec_xl, vec_xst fails to load unaligned addresses * * In XLC vec_xl and vec_xst fail to cast int64(long int) to long long */ #if (defined(__GNUG__) || defined(__clang__)) && !defined(__IBMCPP__) FORCE_INLINE(vec_udword2) vsx_ld2(long o, const uint64* p) { return vec_udword2_c(vsx_ldf(VSX_OFFSET(o, p), (unsigned int*)p)); } FORCE_INLINE(vec_dword2) vsx_ld2(long o, const int64* p) { return vec_dword2_c(vsx_ldf(VSX_OFFSET(o, p), (int*)p)); } FORCE_INLINE(void) vsx_st2(const vec_udword2& vec, long o, uint64* p) { vsx_stf(vec_uint4_c(vec), VSX_OFFSET(o, p), (unsigned int*)p); } FORCE_INLINE(void) vsx_st2(const vec_dword2& vec, long o, int64* p) { vsx_stf(vec_int4_c(vec), VSX_OFFSET(o, p), (int*)p); } #else // XLC FORCE_INLINE(vec_udword2) vsx_ld2(long o, const uint64* p) { return vsx_ldf(VSX_OFFSET(o, p), (unsigned long long*)p); } FORCE_INLINE(vec_dword2) vsx_ld2(long o, const int64* p) { return vsx_ldf(VSX_OFFSET(o, p), (long long*)p); } FORCE_INLINE(void) vsx_st2(const vec_udword2& vec, long o, uint64* p) { vsx_stf(vec, VSX_OFFSET(o, p), (unsigned long long*)p); } FORCE_INLINE(void) vsx_st2(const vec_dword2& vec, long o, int64* p) { vsx_stf(vec, VSX_OFFSET(o, p), (long long*)p); } #endif #if defined(__clang__) || defined(__IBMCPP__) // gcc can find his way in casting log int and XLC, CLANG ambiguous FORCE_INLINE(vec_udword2) vec_splats(uint64 v) { return vec_splats((unsigned long long) v); } FORCE_INLINE(vec_dword2) vec_splats(int64 v) { return vec_splats((long long) v); } #endif // Implement store vector bool char for XLC #if defined(__IBMCPP__) && defined(__clang__) FORCE_INLINE(void) vec_xst(const vec_bchar16 &vec, long o, uchar* p) { vec_xst(vec_uchar16_c(vec), VSX_OFFSET(o, p), p); } #endif // Working around vec_popcnt compatibility /* * vec_popcnt should return unsigned but clang has different thought just like gcc in vec_vpopcnt * * use vec_popcntu instead to deal with it */ #if defined(__clang__) && !defined(__IBMCPP__) # define VSX_IMPL_CLANG_POPCNTU(Tvec, Tvec2, ucast) \ FORCE_INLINE(Tvec) vec_popcntu(const Tvec2& a) \ { return ucast(vec_popcnt(a)); } VSX_IMPL_CLANG_POPCNTU(vec_uchar16, vec_char16, vec_uchar16_c); VSX_IMPL_CLANG_POPCNTU(vec_ushort8, vec_short8, vec_ushort8_c); VSX_IMPL_CLANG_POPCNTU(vec_uint4, vec_int4, vec_uint4_c); // redirect unsigned types VSX_REDIRECT_1RG(vec_uchar16, vec_uchar16, vec_popcntu, vec_popcnt) VSX_REDIRECT_1RG(vec_ushort8, vec_ushort8, vec_popcntu, vec_popcnt) VSX_REDIRECT_1RG(vec_uint4, vec_uint4, vec_popcntu, vec_popcnt) #else # define vec_popcntu vec_popcnt #endif // Working around vec_cts compatibility /* * vec_cts in gcc and clang converts single-precision to signed fixed-point word * and from double-precision to signed doubleword, also there's no implement for vec_ctsl * * vec_cts in xlc converts single and double precision to signed fixed-point word * and xlc has vec_ctsl which converts single and double precision to signed doubleword * * so to deal with this situation, use vec_cts only if you want to convert single-precision to signed fixed-point word * and use vec_ctsl when you want to convert double-precision to signed doubleword * * Also we implemented vec_ctsw(a) to convert double-precision to signed fixed-point word */ // converts double-precision to signed doubleword for GCC and CLANG #if !defined(vec_ctsl) && !defined(__IBMCPP__) && (defined(__GNUG__) || defined(__clang__)) // GCC4 has incorrect results in convert to signed doubleword # if !defined(__clang__) && __GNUG__ < 5 # define vec_ctsl(a, b) __vec_ctsl(a) VSX_IMPL_1RG(vec_dword2, wi, vec_double2, wd, xvcvdpsxds, __vec_ctsl) # else // GCC > 4 , CLANG # define vec_ctsl vec_cts # endif #endif // converts double-precision to signed fixed-point word #if defined(__IBMCPP__) # define vec_ctsw(a) vec_cts(a, 0) #else // GCC, CLANG # define vec_ctsw(a) vec_int4_c(__builtin_vsx_xvcvdpsxws(a)) #endif // load 4 unsigned bytes into uint4 vector #define vec_ld_buw(p) vec_uint4_set((p)[0], (p)[1], (p)[2], (p)[3]) // load 4 signed bytes into int4 vector #define vec_ld_bsw(p) vec_int4_set((p)[0], (p)[1], (p)[2], (p)[3]) // load 4 unsigned bytes into float vector #define vec_ld_bps(p) vec_ctf(vec_ld_buw(p), 0) // Store lower 8 byte #define vec_st_l8(v, p) *((uint64*)(p)) = vec_extract(vec_udword2_c(v), 0) // Store higher 8 byte #define vec_st_h8(v, p) *((uint64*)(p)) = vec_extract(vec_udword2_c(v), 1) /* * vec_ld_l8(ptr) -> Load 64-bits of integer data to lower part * vec_ldz_l8(ptr) -> Load 64-bits of integer data to lower part and zero upper part **/ #if defined(__clang__) && !defined(__IBMCPP__) # define __VSX_LOAD_L8(Tvec, p) (Tvec)((vec_udword2)*((uint64*)(p))) #else # define __VSX_LOAD_L8(Tvec, p) *((Tvec*)(p)) #endif #define VSX_IMPL_LOAD_L8(Tvec, Tp) \ FORCE_INLINE(Tvec) vec_ld_l8(const Tp *p) \ { return __VSX_LOAD_L8(Tvec, p); } \ FORCE_INLINE(Tvec) vec_ldz_l8(const Tp *p) \ { \ static const vec_bdword2 mask = {0xFFFFFFFFFFFFFFFF, 0x0000000000000000}; \ return vec_and(vec_ld_l8(p), (Tvec)mask); \ } VSX_IMPL_LOAD_L8(vec_uchar16, uchar) VSX_IMPL_LOAD_L8(vec_char16, schar) VSX_IMPL_LOAD_L8(vec_ushort8, ushort) VSX_IMPL_LOAD_L8(vec_short8, short) VSX_IMPL_LOAD_L8(vec_uint4, uint) VSX_IMPL_LOAD_L8(vec_int4, int) VSX_IMPL_LOAD_L8(vec_float4, float) VSX_IMPL_LOAD_L8(vec_udword2, uint64) VSX_IMPL_LOAD_L8(vec_dword2, int64) VSX_IMPL_LOAD_L8(vec_double2, double) // logical not #define vec_not(a) vec_nor(a, a) // power9 yaya // not equal #ifndef vec_cmpne # define vec_cmpne(a, b) vec_not(vec_cmpeq(a, b)) #endif // absoulte difference #ifndef vec_absd # define vec_absd(a, b) vec_sub(vec_max(a, b), vec_min(a, b)) #endif /* * Implement vec_unpacklu and vec_unpackhu * since vec_unpackl, vec_unpackh only support signed integers **/ #define VSX_IMPL_UNPACKU(rt, rg, zero) \ FORCE_INLINE(rt) vec_unpacklu(const rg& a) \ { return reinterpret_cast(vec_mergel(a, zero)); } \ FORCE_INLINE(rt) vec_unpackhu(const rg& a) \ { return reinterpret_cast(vec_mergeh(a, zero)); } VSX_IMPL_UNPACKU(vec_ushort8, vec_uchar16, vec_uchar16_z) VSX_IMPL_UNPACKU(vec_uint4, vec_ushort8, vec_ushort8_z) VSX_IMPL_UNPACKU(vec_udword2, vec_uint4, vec_uint4_z) /* * Implement vec_mergesqe and vec_mergesqo * Merges the sequence values of even and odd elements of two vectors */ // 16 #define perm16_mergesqe 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 #define perm16_mergesqo 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31 VSX_IMPL_PERM(vec_uchar16, vec_mergesqe, perm16_mergesqe) VSX_IMPL_PERM(vec_uchar16, vec_mergesqo, perm16_mergesqo) VSX_IMPL_PERM(vec_char16, vec_mergesqe, perm16_mergesqe) VSX_IMPL_PERM(vec_char16, vec_mergesqo, perm16_mergesqo) // 8 #define perm8_mergesqe 0, 1, 4, 5, 8, 9, 12, 13, 16, 17, 20, 21, 24, 25, 28, 29 #define perm8_mergesqo 2, 3, 6, 7, 10, 11, 14, 15, 18, 19, 22, 23, 26, 27, 30, 31 VSX_IMPL_PERM(vec_ushort8, vec_mergesqe, perm8_mergesqe) VSX_IMPL_PERM(vec_ushort8, vec_mergesqo, perm8_mergesqo) VSX_IMPL_PERM(vec_short8, vec_mergesqe, perm8_mergesqe) VSX_IMPL_PERM(vec_short8, vec_mergesqo, perm8_mergesqo) // 4 #define perm4_mergesqe 0, 1, 2, 3, 8, 9, 10, 11, 16, 17, 18, 19, 24, 25, 26, 27 #define perm4_mergesqo 4, 5, 6, 7, 12, 13, 14, 15, 20, 21, 22, 23, 28, 29, 30, 31 VSX_IMPL_PERM(vec_uint4, vec_mergesqe, perm4_mergesqe) VSX_IMPL_PERM(vec_uint4, vec_mergesqo, perm4_mergesqo) VSX_IMPL_PERM(vec_int4, vec_mergesqe, perm4_mergesqe) VSX_IMPL_PERM(vec_int4, vec_mergesqo, perm4_mergesqo) VSX_IMPL_PERM(vec_float4, vec_mergesqe, perm4_mergesqe) VSX_IMPL_PERM(vec_float4, vec_mergesqo, perm4_mergesqo) // 2 VSX_REDIRECT_2RG(vec_double2, vec_double2, vec_mergesqe, vec_mergeh) VSX_REDIRECT_2RG(vec_double2, vec_double2, vec_mergesqo, vec_mergel) VSX_REDIRECT_2RG(vec_dword2, vec_dword2, vec_mergesqe, vec_mergeh) VSX_REDIRECT_2RG(vec_dword2, vec_dword2, vec_mergesqo, vec_mergel) VSX_REDIRECT_2RG(vec_udword2, vec_udword2, vec_mergesqe, vec_mergeh) VSX_REDIRECT_2RG(vec_udword2, vec_udword2, vec_mergesqo, vec_mergel) /* * Implement vec_mergesqh and vec_mergesql * Merges the sequence most and least significant halves of two vectors */ #define VSX_IMPL_MERGESQHL(Tvec) \ FORCE_INLINE(Tvec) vec_mergesqh(const Tvec& a, const Tvec& b) \ { return (Tvec)vec_mergeh(vec_udword2_c(a), vec_udword2_c(b)); } \ FORCE_INLINE(Tvec) vec_mergesql(const Tvec& a, const Tvec& b) \ { return (Tvec)vec_mergel(vec_udword2_c(a), vec_udword2_c(b)); } VSX_IMPL_MERGESQHL(vec_uchar16) VSX_IMPL_MERGESQHL(vec_char16) VSX_IMPL_MERGESQHL(vec_ushort8) VSX_IMPL_MERGESQHL(vec_short8) VSX_IMPL_MERGESQHL(vec_uint4) VSX_IMPL_MERGESQHL(vec_int4) VSX_IMPL_MERGESQHL(vec_float4) VSX_REDIRECT_2RG(vec_udword2, vec_udword2, vec_mergesqh, vec_mergeh) VSX_REDIRECT_2RG(vec_udword2, vec_udword2, vec_mergesql, vec_mergel) VSX_REDIRECT_2RG(vec_dword2, vec_dword2, vec_mergesqh, vec_mergeh) VSX_REDIRECT_2RG(vec_dword2, vec_dword2, vec_mergesql, vec_mergel) VSX_REDIRECT_2RG(vec_double2, vec_double2, vec_mergesqh, vec_mergeh) VSX_REDIRECT_2RG(vec_double2, vec_double2, vec_mergesql, vec_mergel) // 2 and 4 channels interleave for all types except 2 lanes #define VSX_IMPL_ST_INTERLEAVE(Tp, Tvec) \ FORCE_INLINE(void) vec_st_interleave(const Tvec& a, const Tvec& b, Tp* ptr) \ { \ vsx_stf(vec_mergeh(a, b), 0, ptr); \ vsx_stf(vec_mergel(a, b), 16, ptr); \ } \ FORCE_INLINE(void) vec_st_interleave(const Tvec& a, const Tvec& b, \ const Tvec& c, const Tvec& d, Tp* ptr) \ { \ Tvec ac = vec_mergeh(a, c); \ Tvec bd = vec_mergeh(b, d); \ vsx_stf(vec_mergeh(ac, bd), 0, ptr); \ vsx_stf(vec_mergel(ac, bd), 16, ptr); \ ac = vec_mergel(a, c); \ bd = vec_mergel(b, d); \ vsx_stf(vec_mergeh(ac, bd), 32, ptr); \ vsx_stf(vec_mergel(ac, bd), 48, ptr); \ } VSX_IMPL_ST_INTERLEAVE(uchar, vec_uchar16) VSX_IMPL_ST_INTERLEAVE(schar, vec_char16) VSX_IMPL_ST_INTERLEAVE(ushort, vec_ushort8) VSX_IMPL_ST_INTERLEAVE(short, vec_short8) VSX_IMPL_ST_INTERLEAVE(uint, vec_uint4) VSX_IMPL_ST_INTERLEAVE(int, vec_int4) VSX_IMPL_ST_INTERLEAVE(float, vec_float4) // 2 and 4 channels deinterleave for 16 lanes #define VSX_IMPL_ST_DINTERLEAVE_8(Tp, Tvec) \ FORCE_INLINE(void) vec_ld_deinterleave(const Tp* ptr, Tvec& a, Tvec& b) \ { \ Tvec v0 = vsx_ld(0, ptr); \ Tvec v1 = vsx_ld(16, ptr); \ a = vec_mergesqe(v0, v1); \ b = vec_mergesqo(v0, v1); \ } \ FORCE_INLINE(void) vec_ld_deinterleave(const Tp* ptr, Tvec& a, Tvec& b, \ Tvec& c, Tvec& d) \ { \ Tvec v0 = vsx_ld(0, ptr); \ Tvec v1 = vsx_ld(16, ptr); \ Tvec v2 = vsx_ld(32, ptr); \ Tvec v3 = vsx_ld(48, ptr); \ Tvec m0 = vec_mergesqe(v0, v1); \ Tvec m1 = vec_mergesqe(v2, v3); \ a = vec_mergesqe(m0, m1); \ c = vec_mergesqo(m0, m1); \ m0 = vec_mergesqo(v0, v1); \ m1 = vec_mergesqo(v2, v3); \ b = vec_mergesqe(m0, m1); \ d = vec_mergesqo(m0, m1); \ } VSX_IMPL_ST_DINTERLEAVE_8(uchar, vec_uchar16) VSX_IMPL_ST_DINTERLEAVE_8(schar, vec_char16) // 2 and 4 channels deinterleave for 8 lanes #define VSX_IMPL_ST_DINTERLEAVE_16(Tp, Tvec) \ FORCE_INLINE(void) vec_ld_deinterleave(const Tp* ptr, Tvec& a, Tvec& b) \ { \ Tvec v0 = vsx_ld(0, ptr); \ Tvec v1 = vsx_ld(8, ptr); \ a = vec_mergesqe(v0, v1); \ b = vec_mergesqo(v0, v1); \ } \ FORCE_INLINE(void) vec_ld_deinterleave(const Tp* ptr, Tvec& a, Tvec& b, \ Tvec& c, Tvec& d) \ { \ Tvec v0 = vsx_ld(0, ptr); \ Tvec v1 = vsx_ld(8, ptr); \ Tvec m0 = vec_mergeh(v0, v1); \ Tvec m1 = vec_mergel(v0, v1); \ Tvec ab0 = vec_mergeh(m0, m1); \ Tvec cd0 = vec_mergel(m0, m1); \ v0 = vsx_ld(16, ptr); \ v1 = vsx_ld(24, ptr); \ m0 = vec_mergeh(v0, v1); \ m1 = vec_mergel(v0, v1); \ Tvec ab1 = vec_mergeh(m0, m1); \ Tvec cd1 = vec_mergel(m0, m1); \ a = vec_mergesqh(ab0, ab1); \ b = vec_mergesql(ab0, ab1); \ c = vec_mergesqh(cd0, cd1); \ d = vec_mergesql(cd0, cd1); \ } VSX_IMPL_ST_DINTERLEAVE_16(ushort, vec_ushort8) VSX_IMPL_ST_DINTERLEAVE_16(short, vec_short8) // 2 and 4 channels deinterleave for 4 lanes #define VSX_IMPL_ST_DINTERLEAVE_32(Tp, Tvec) \ FORCE_INLINE(void) vec_ld_deinterleave(const Tp* ptr, Tvec& a, Tvec& b) \ { \ a = vsx_ld(0, ptr); \ b = vsx_ld(4, ptr); \ Tvec m0 = vec_mergeh(a, b); \ Tvec m1 = vec_mergel(a, b); \ a = vec_mergeh(m0, m1); \ b = vec_mergel(m0, m1); \ } \ FORCE_INLINE(void) vec_ld_deinterleave(const Tp* ptr, Tvec& a, Tvec& b, \ Tvec& c, Tvec& d) \ { \ Tvec v0 = vsx_ld(0, ptr); \ Tvec v1 = vsx_ld(4, ptr); \ Tvec v2 = vsx_ld(8, ptr); \ Tvec v3 = vsx_ld(12, ptr); \ Tvec m0 = vec_mergeh(v0, v2); \ Tvec m1 = vec_mergeh(v1, v3); \ a = vec_mergeh(m0, m1); \ b = vec_mergel(m0, m1); \ m0 = vec_mergel(v0, v2); \ m1 = vec_mergel(v1, v3); \ c = vec_mergeh(m0, m1); \ d = vec_mergel(m0, m1); \ } VSX_IMPL_ST_DINTERLEAVE_32(uint, vec_uint4) VSX_IMPL_ST_DINTERLEAVE_32(int, vec_int4) VSX_IMPL_ST_DINTERLEAVE_32(float, vec_float4) // 2 and 4 channels interleave and deinterleave for 2 lanes #define VSX_IMPL_ST_D_INTERLEAVE_64(Tp, Tvec, ld_func, st_func) \ FORCE_INLINE(void) vec_st_interleave(const Tvec& a, const Tvec& b, Tp* ptr) \ { \ st_func(vec_mergeh(a, b), 0, ptr); \ st_func(vec_mergel(a, b), 2, ptr); \ } \ FORCE_INLINE(void) vec_st_interleave(const Tvec& a, const Tvec& b, \ const Tvec& c, const Tvec& d, Tp* ptr) \ { \ st_func(vec_mergeh(a, b), 0, ptr); \ st_func(vec_mergel(a, b), 2, ptr); \ st_func(vec_mergeh(c, d), 4, ptr); \ st_func(vec_mergel(c, d), 6, ptr); \ } \ FORCE_INLINE(void) vec_ld_deinterleave(const Tp* ptr, Tvec& a, Tvec& b) \ { \ Tvec m0 = ld_func(0, ptr); \ Tvec m1 = ld_func(2, ptr); \ a = vec_mergeh(m0, m1); \ b = vec_mergel(m0, m1); \ } \ FORCE_INLINE(void) vec_ld_deinterleave(const Tp* ptr, Tvec& a, Tvec& b, \ Tvec& c, Tvec& d) \ { \ Tvec v0 = ld_func(0, ptr); \ Tvec v1 = ld_func(2, ptr); \ a = vec_mergeh(v0, v1); \ b = vec_mergel(v0, v1); \ v0 = ld_func(4, ptr); \ v1 = ld_func(6, ptr); \ c = vec_mergeh(v0, v1); \ d = vec_mergel(v0, v1); \ } VSX_IMPL_ST_D_INTERLEAVE_64(int64, vec_dword2, vsx_ld2, vsx_st2) VSX_IMPL_ST_D_INTERLEAVE_64(uint64, vec_udword2, vsx_ld2, vsx_st2) VSX_IMPL_ST_D_INTERLEAVE_64(double, vec_double2, vsx_ld, vsx_st) /* 3 channels */ #define VSX_IMPL_ST_INTERLEAVE_3CH_16(Tp, Tvec) \ FORCE_INLINE(void) vec_st_interleave(const Tvec& a, const Tvec& b, \ const Tvec& c, Tp* ptr) \ { \ static const vec_uchar16 a12 = {0, 16, 0, 1, 17, 0, 2, 18, 0, 3, 19, 0, 4, 20, 0, 5}; \ static const vec_uchar16 a123 = {0, 1, 16, 3, 4, 17, 6, 7, 18, 9, 10, 19, 12, 13, 20, 15}; \ vsx_st(vec_perm(vec_perm(a, b, a12), c, a123), 0, ptr); \ static const vec_uchar16 b12 = {21, 0, 6, 22, 0, 7, 23, 0, 8, 24, 0, 9, 25, 0, 10, 26}; \ static const vec_uchar16 b123 = {0, 21, 2, 3, 22, 5, 6, 23, 8, 9, 24, 11, 12, 25, 14, 15}; \ vsx_st(vec_perm(vec_perm(a, b, b12), c, b123), 16, ptr); \ static const vec_uchar16 c12 = {0, 11, 27, 0, 12, 28, 0, 13, 29, 0, 14, 30, 0, 15, 31, 0}; \ static const vec_uchar16 c123 = {26, 1, 2, 27, 4, 5, 28, 7, 8, 29, 10, 11, 30, 13, 14, 31}; \ vsx_st(vec_perm(vec_perm(a, b, c12), c, c123), 32, ptr); \ } \ FORCE_INLINE(void) vec_ld_deinterleave(const Tp* ptr, Tvec& a, Tvec& b, Tvec& c) \ { \ Tvec v1 = vsx_ld(0, ptr); \ Tvec v2 = vsx_ld(16, ptr); \ Tvec v3 = vsx_ld(32, ptr); \ static const vec_uchar16 a12_perm = {0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 0, 0, 0, 0, 0}; \ static const vec_uchar16 a123_perm = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 17, 20, 23, 26, 29}; \ a = vec_perm(vec_perm(v1, v2, a12_perm), v3, a123_perm); \ static const vec_uchar16 b12_perm = {1, 4, 7, 10, 13, 16, 19, 22, 25, 28, 31, 0, 0, 0, 0, 0}; \ static const vec_uchar16 b123_perm = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 18, 21, 24, 27, 30}; \ b = vec_perm(vec_perm(v1, v2, b12_perm), v3, b123_perm); \ static const vec_uchar16 c12_perm = {2, 5, 8, 11, 14, 17, 20, 23, 26, 29, 0, 0, 0, 0, 0, 0}; \ static const vec_uchar16 c123_perm = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 16, 19, 22, 25, 28, 31}; \ c = vec_perm(vec_perm(v1, v2, c12_perm), v3, c123_perm); \ } VSX_IMPL_ST_INTERLEAVE_3CH_16(uchar, vec_uchar16) VSX_IMPL_ST_INTERLEAVE_3CH_16(schar, vec_char16) #define VSX_IMPL_ST_INTERLEAVE_3CH_8(Tp, Tvec) \ FORCE_INLINE(void) vec_st_interleave(const Tvec& a, const Tvec& b, \ const Tvec& c, Tp* ptr) \ { \ static const vec_uchar16 a12 = {0, 1, 16, 17, 0, 0, 2, 3, 18, 19, 0, 0, 4, 5, 20, 21}; \ static const vec_uchar16 a123 = {0, 1, 2, 3, 16, 17, 6, 7, 8, 9, 18, 19, 12, 13, 14, 15}; \ vsx_st(vec_perm(vec_perm(a, b, a12), c, a123), 0, ptr); \ static const vec_uchar16 b12 = {0, 0, 6, 7, 22, 23, 0, 0, 8, 9, 24, 25, 0, 0, 10, 11}; \ static const vec_uchar16 b123 = {20, 21, 2, 3, 4, 5, 22, 23, 8, 9, 10, 11, 24, 25, 14, 15}; \ vsx_st(vec_perm(vec_perm(a, b, b12), c, b123), 8, ptr); \ static const vec_uchar16 c12 = {26, 27, 0, 0, 12, 13, 28, 29, 0, 0, 14, 15, 30, 31, 0, 0}; \ static const vec_uchar16 c123 = {0, 1, 26, 27, 4, 5, 6, 7, 28, 29, 10, 11, 12, 13, 30, 31}; \ vsx_st(vec_perm(vec_perm(a, b, c12), c, c123), 16, ptr); \ } \ FORCE_INLINE(void) vec_ld_deinterleave(const Tp* ptr, Tvec& a, Tvec& b, Tvec& c) \ { \ Tvec v1 = vsx_ld(0, ptr); \ Tvec v2 = vsx_ld(8, ptr); \ Tvec v3 = vsx_ld(16, ptr); \ static const vec_uchar16 a12_perm = {0, 1, 6, 7, 12, 13, 18, 19, 24, 25, 30, 31, 0, 0, 0, 0}; \ static const vec_uchar16 a123_perm = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 20, 21, 26, 27}; \ a = vec_perm(vec_perm(v1, v2, a12_perm), v3, a123_perm); \ static const vec_uchar16 b12_perm = {2, 3, 8, 9, 14, 15, 20, 21, 26, 27, 0, 0, 0, 0, 0, 0}; \ static const vec_uchar16 b123_perm = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 16, 17, 22, 23, 28, 29}; \ b = vec_perm(vec_perm(v1, v2, b12_perm), v3, b123_perm); \ static const vec_uchar16 c12_perm = {4, 5, 10, 11, 16, 17, 22, 23, 28, 29, 0, 0, 0, 0, 0, 0}; \ static const vec_uchar16 c123_perm = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 18, 19, 24, 25, 30, 31}; \ c = vec_perm(vec_perm(v1, v2, c12_perm), v3, c123_perm); \ } VSX_IMPL_ST_INTERLEAVE_3CH_8(ushort, vec_ushort8) VSX_IMPL_ST_INTERLEAVE_3CH_8(short, vec_short8) #define VSX_IMPL_ST_INTERLEAVE_3CH_4(Tp, Tvec) \ FORCE_INLINE(void) vec_st_interleave(const Tvec& a, const Tvec& b, \ const Tvec& c, Tp* ptr) \ { \ Tvec hbc = vec_mergeh(b, c); \ static const vec_uchar16 ahbc = {0, 1, 2, 3, 16, 17, 18, 19, 20, 21, 22, 23, 4, 5, 6, 7}; \ vsx_st(vec_perm(a, hbc, ahbc), 0, ptr); \ Tvec lab = vec_mergel(a, b); \ vsx_st(vec_sld(lab, hbc, 8), 4, ptr); \ static const vec_uchar16 clab = {8, 9, 10, 11, 24, 25, 26, 27, 28, 29, 30, 31, 12, 13, 14, 15};\ vsx_st(vec_perm(c, lab, clab), 8, ptr); \ } \ FORCE_INLINE(void) vec_ld_deinterleave(const Tp* ptr, Tvec& a, Tvec& b, Tvec& c) \ { \ Tvec v1 = vsx_ld(0, ptr); \ Tvec v2 = vsx_ld(4, ptr); \ Tvec v3 = vsx_ld(8, ptr); \ static const vec_uchar16 flp = {0, 1, 2, 3, 12, 13, 14, 15, 16, 17, 18, 19, 28, 29, 30, 31}; \ a = vec_perm(v1, vec_sld(v3, v2, 8), flp); \ static const vec_uchar16 flp2 = {28, 29, 30, 31, 0, 1, 2, 3, 12, 13, 14, 15, 16, 17, 18, 19}; \ b = vec_perm(v2, vec_sld(v1, v3, 8), flp2); \ c = vec_perm(vec_sld(v2, v1, 8), v3, flp); \ } VSX_IMPL_ST_INTERLEAVE_3CH_4(uint, vec_uint4) VSX_IMPL_ST_INTERLEAVE_3CH_4(int, vec_int4) VSX_IMPL_ST_INTERLEAVE_3CH_4(float, vec_float4) #define VSX_IMPL_ST_INTERLEAVE_3CH_2(Tp, Tvec, ld_func, st_func) \ FORCE_INLINE(void) vec_st_interleave(const Tvec& a, const Tvec& b, \ const Tvec& c, Tp* ptr) \ { \ st_func(vec_mergeh(a, b), 0, ptr); \ st_func(vec_permi(c, a, 1), 2, ptr); \ st_func(vec_mergel(b, c), 4, ptr); \ } \ FORCE_INLINE(void) vec_ld_deinterleave(const Tp* ptr, Tvec& a, \ Tvec& b, Tvec& c) \ { \ Tvec v1 = ld_func(0, ptr); \ Tvec v2 = ld_func(2, ptr); \ Tvec v3 = ld_func(4, ptr); \ a = vec_permi(v1, v2, 1); \ b = vec_permi(v1, v3, 2); \ c = vec_permi(v2, v3, 1); \ } VSX_IMPL_ST_INTERLEAVE_3CH_2(int64, vec_dword2, vsx_ld2, vsx_st2) VSX_IMPL_ST_INTERLEAVE_3CH_2(uint64, vec_udword2, vsx_ld2, vsx_st2) VSX_IMPL_ST_INTERLEAVE_3CH_2(double, vec_double2, vsx_ld, vsx_st) #endif // CV_VSX //! @} #endif // OPENCV_HAL_VSX_UTILS_HPP