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remove simd_utils.c

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This commit is contained in:
Konstantinos Margaritis
2021-10-09 00:34:35 +03:00
parent 2f55e5b54f
commit f2e45ccc06
4 changed files with 70 additions and 68 deletions
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74
src/util/arch/x86/simd_utils.h
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@@ -41,6 +41,23 @@
#include <string.h> // for memcpy
#define ZEROES_8 0, 0, 0, 0, 0, 0, 0, 0
#define ZEROES_31 ZEROES_8, ZEROES_8, ZEROES_8, 0, 0, 0, 0, 0, 0, 0
#define ZEROES_32 ZEROES_8, ZEROES_8, ZEROES_8, ZEROES_8
/** \brief LUT for the mask1bit functions. */
ALIGN_CL_DIRECTIVE static const u8 simd_onebit_masks[] = {
ZEROES_32, ZEROES_32,
ZEROES_31, 0x01, ZEROES_32,
ZEROES_31, 0x02, ZEROES_32,
ZEROES_31, 0x04, ZEROES_32,
ZEROES_31, 0x08, ZEROES_32,
ZEROES_31, 0x10, ZEROES_32,
ZEROES_31, 0x20, ZEROES_32,
ZEROES_31, 0x40, ZEROES_32,
ZEROES_31, 0x80, ZEROES_32,
ZEROES_32, ZEROES_32,
};
static really_inline m128 ones128(void) {
#if defined(__GNUC__) || defined(__INTEL_COMPILER)
/* gcc gets this right */
@@ -236,14 +253,14 @@ m128 loadbytes128(const void *ptr, unsigned int n) {
memcpy(&a, ptr, n);
return a;
}
/*
#ifdef __cplusplus
extern "C" {
#endif
extern const u8 simd_onebit_masks[];
#ifdef __cplusplus
}
#endif
#endif*/
static really_inline
m128 mask1bit128(unsigned int n) {
@@ -277,19 +294,68 @@ char testbit128(m128 val, unsigned int n) {
}
// offset must be an immediate
#define palignr(r, l, offset) _mm_alignr_epi8(r, l, offset)
#define palignr_imm(r, l, offset) _mm_alignr_epi8(r, l, offset)
static really_inline
m128 pshufb_m128(m128 a, m128 b) {
return _mm_shuffle_epi8(a, b);
}
#define CASE_ALIGN_VECTORS(a, b, offset) case offset: return palignr_imm((m128)(a), (m128)(b), (offset)); break;
static really_really_inline
m128 palignr_sw(m128 r, m128 l, int offset) {
switch (offset) {
case 0: return l; break;
CASE_ALIGN_VECTORS(r, l, 1);
CASE_ALIGN_VECTORS(r, l, 2);
CASE_ALIGN_VECTORS(r, l, 3);
CASE_ALIGN_VECTORS(r, l, 4);
CASE_ALIGN_VECTORS(r, l, 5);
CASE_ALIGN_VECTORS(r, l, 6);
CASE_ALIGN_VECTORS(r, l, 7);
CASE_ALIGN_VECTORS(r, l, 8);
CASE_ALIGN_VECTORS(r, l, 9);
CASE_ALIGN_VECTORS(r, l, 10);
CASE_ALIGN_VECTORS(r, l, 11);
CASE_ALIGN_VECTORS(r, l, 12);
CASE_ALIGN_VECTORS(r, l, 13);
CASE_ALIGN_VECTORS(r, l, 14);
CASE_ALIGN_VECTORS(r, l, 15);
case 16: return r; break;
default:
return zeroes128();
break;
}
}
static really_really_inline
m128 palignr(m128 r, m128 l, int offset) {
#if defined(HAVE__BUILTIN_CONSTANT_P)
if (__builtin_constant_p(offset)) {
return palignr_imm(r, l, offset);
}
#endif
return palignr_sw(r, l, offset);
}
#undef CASE_ALIGN_VECTORS
static really_inline
m128 variable_byte_shift_m128(m128 in, s32 amount) {
assert(amount >= -16 && amount <= 16);
if (amount < 0) {
return palignr(zeroes128(), in, -amount);
} else {
return palignr(in, zeroes128(), 16 - amount);
}
}
/*
static really_inline
m128 variable_byte_shift_m128(m128 in, s32 amount) {
assert(amount >= -16 && amount <= 16);
m128 shift_mask = loadu128(vbs_mask_data + 16 - amount);
return pshufb_m128(in, shift_mask);
}
}*/
static really_inline
m128 max_u8_m128(m128 a, m128 b) {