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//===-- generic/lib/misc/shuffle.cl ------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include <clc/clc.h>
#define _CLC_ELEMENT_CASES2(VAR) \
case 0: return VAR.s0; \
case 1: return VAR.s1;
#define _CLC_ELEMENT_CASES4(VAR) \
_CLC_ELEMENT_CASES2(VAR) \
case 2: return VAR.s2; \
case 3: return VAR.s3;
#define _CLC_ELEMENT_CASES8(VAR) \
_CLC_ELEMENT_CASES4(VAR) \
case 4: return VAR.s4; \
case 5: return VAR.s5; \
case 6: return VAR.s6; \
case 7: return VAR.s7;
#define _CLC_ELEMENT_CASES16(VAR) \
_CLC_ELEMENT_CASES8(VAR) \
case 8: return VAR.s8; \
case 9: return VAR.s9; \
case 10: return VAR.sA; \
case 11: return VAR.sB; \
case 12: return VAR.sC; \
case 13: return VAR.sD; \
case 14: return VAR.sE; \
case 15: return VAR.sF;
#define _CLC_GET_ELEMENT_DEFINE(ARGTYPE, ARGSIZE, IDXTYPE) \
inline ARGTYPE __clc_get_el_##ARGTYPE##ARGSIZE##_##IDXTYPE(ARGTYPE##ARGSIZE x, IDXTYPE idx) {\
switch (idx){ \
_CLC_ELEMENT_CASES##ARGSIZE(x) \
default: return 0; \
} \
} \
#define _CLC_SHUFFLE_SET_ONE_ELEMENT(ARGTYPE, ARGSIZE, INDEX, MASKTYPE) \
ret_val.s##INDEX = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.s##INDEX); \
#define _CLC_SHUFFLE_SET_2_ELEMENTS(ARGTYPE, ARGSIZE, MASKTYPE) \
ret_val.s0 = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.s0); \
ret_val.s1 = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.s1);
#define _CLC_SHUFFLE_SET_4_ELEMENTS(ARGTYPE, ARGSIZE, MASKTYPE) \
_CLC_SHUFFLE_SET_2_ELEMENTS(ARGTYPE, ARGSIZE, MASKTYPE) \
ret_val.s2 = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.s2); \
ret_val.s3 = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.s3);
#define _CLC_SHUFFLE_SET_8_ELEMENTS(ARGTYPE, ARGSIZE, MASKTYPE) \
_CLC_SHUFFLE_SET_4_ELEMENTS(ARGTYPE, ARGSIZE, MASKTYPE) \
ret_val.s4 = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.s4); \
ret_val.s5 = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.s5); \
ret_val.s6 = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.s6); \
ret_val.s7 = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.s7);
#define _CLC_SHUFFLE_SET_16_ELEMENTS(ARGTYPE, ARGSIZE, MASKTYPE) \
_CLC_SHUFFLE_SET_8_ELEMENTS(ARGTYPE, ARGSIZE, MASKTYPE) \
ret_val.s8 = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.s8); \
ret_val.s9 = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.s9); \
ret_val.sA = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.sA); \
ret_val.sB = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.sB); \
ret_val.sC = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.sC); \
ret_val.sD = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.sD); \
ret_val.sE = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.sE); \
ret_val.sF = __clc_get_el_##ARGTYPE##ARGSIZE##_##MASKTYPE(x, mask.sF); \
#define _CLC_SHUFFLE_DEFINE2(ARGTYPE, ARGSIZE, MASKTYPE) \
_CLC_DEF _CLC_OVERLOAD ARGTYPE##2 shuffle(ARGTYPE##ARGSIZE x, MASKTYPE##2 mask){ \
ARGTYPE##2 ret_val; \
mask &= (MASKTYPE##2)(ARGSIZE-1); \
_CLC_SHUFFLE_SET_2_ELEMENTS(ARGTYPE, ARGSIZE, MASKTYPE) \
return ret_val; \
}
#define _CLC_SHUFFLE_DEFINE4(ARGTYPE, ARGSIZE, MASKTYPE) \
_CLC_DEF _CLC_OVERLOAD ARGTYPE##4 shuffle(ARGTYPE##ARGSIZE x, MASKTYPE##4 mask){ \
ARGTYPE##4 ret_val; \
mask &= (MASKTYPE##4)(ARGSIZE-1); \
_CLC_SHUFFLE_SET_4_ELEMENTS(ARGTYPE, ARGSIZE, MASKTYPE) \
return ret_val; \
}
#define _CLC_SHUFFLE_DEFINE8(ARGTYPE, ARGSIZE, MASKTYPE) \
_CLC_DEF _CLC_OVERLOAD ARGTYPE##8 shuffle(ARGTYPE##ARGSIZE x, MASKTYPE##8 mask){ \
ARGTYPE##8 ret_val; \
mask &= (MASKTYPE##8)(ARGSIZE-1); \
_CLC_SHUFFLE_SET_8_ELEMENTS(ARGTYPE, ARGSIZE, MASKTYPE) \
return ret_val; \
}
#define _CLC_SHUFFLE_DEFINE16(ARGTYPE, ARGSIZE, MASKTYPE) \
_CLC_DEF _CLC_OVERLOAD ARGTYPE##16 shuffle(ARGTYPE##ARGSIZE x, MASKTYPE##16 mask){ \
ARGTYPE##16 ret_val; \
mask &= (MASKTYPE##16)(ARGSIZE-1); \
_CLC_SHUFFLE_SET_16_ELEMENTS(ARGTYPE, ARGSIZE, MASKTYPE) \
return ret_val; \
}
#define _CLC_VECTOR_SHUFFLE_MASKSIZE(INTYPE, ARGSIZE, MASKTYPE) \
_CLC_GET_ELEMENT_DEFINE(INTYPE, ARGSIZE, MASKTYPE) \
_CLC_SHUFFLE_DEFINE2(INTYPE, ARGSIZE, MASKTYPE) \
_CLC_SHUFFLE_DEFINE4(INTYPE, ARGSIZE, MASKTYPE) \
_CLC_SHUFFLE_DEFINE8(INTYPE, ARGSIZE, MASKTYPE) \
_CLC_SHUFFLE_DEFINE16(INTYPE, ARGSIZE, MASKTYPE) \
#define _CLC_VECTOR_SHUFFLE_INSIZE(TYPE, MASKTYPE) \
_CLC_VECTOR_SHUFFLE_MASKSIZE(TYPE, 2, MASKTYPE) \
_CLC_VECTOR_SHUFFLE_MASKSIZE(TYPE, 4, MASKTYPE) \
_CLC_VECTOR_SHUFFLE_MASKSIZE(TYPE, 8, MASKTYPE) \
_CLC_VECTOR_SHUFFLE_MASKSIZE(TYPE, 16, MASKTYPE) \
_CLC_VECTOR_SHUFFLE_INSIZE(char, uchar)
_CLC_VECTOR_SHUFFLE_INSIZE(short, ushort)
_CLC_VECTOR_SHUFFLE_INSIZE(int, uint)
_CLC_VECTOR_SHUFFLE_INSIZE(long, ulong)
_CLC_VECTOR_SHUFFLE_INSIZE(uchar, uchar)
_CLC_VECTOR_SHUFFLE_INSIZE(ushort, ushort)
_CLC_VECTOR_SHUFFLE_INSIZE(uint, uint)
_CLC_VECTOR_SHUFFLE_INSIZE(ulong, ulong)
_CLC_VECTOR_SHUFFLE_INSIZE(float, uint)
#ifdef cl_khr_fp64
#pragma OPENCL EXTENSION cl_khr_fp64 : enable
_CLC_VECTOR_SHUFFLE_INSIZE(double, ulong)
#endif
#ifdef cl_khr_fp16
#pragma OPENCL EXTENSION cl_khr_fp16 : enable
_CLC_VECTOR_SHUFFLE_INSIZE(half, ushort)
#endif
#undef _CLC_ELEMENT_CASES2
#undef _CLC_ELEMENT_CASES4
#undef _CLC_ELEMENT_CASES8
#undef _CLC_ELEMENT_CASES16
#undef _CLC_GET_ELEMENT_DEFINE
#undef _CLC_SHUFFLE_SET_ONE_ELEMENT
#undef _CLC_SHUFFLE_SET_2_ELEMENTS
#undef _CLC_SHUFFLE_SET_4_ELEMENTS
#undef _CLC_SHUFFLE_SET_8_ELEMENTS
#undef _CLC_SHUFFLE_SET_16_ELEMENTS
#undef _CLC_SHUFFLE_DEFINE2
#undef _CLC_SHUFFLE_DEFINE4
#undef _CLC_SHUFFLE_DEFINE8
#undef _CLC_SHUFFLE_DEFINE16
#undef _CLC_VECTOR_SHUFFLE_MASKSIZE
#undef _CLC_VECTOR_SHUFFLE_INSIZE
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