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/* -*- mode: C; c-basic-offset: 3; -*- */
/*
This file is part of MemCheck, a heavyweight Valgrind tool for
detecting memory errors.
Copyright (C) 2012-2017 Florian Krohm
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
The GNU General Public License is contained in the file COPYING.
*/
#ifndef VBITS_H
#define VBITS_H
#include <stdint.h>
#include <stdio.h>
#include <stdbool.h>
typedef uint64_t uint128_t[2];
typedef uint64_t uint256_t[4];
/* A type to represent V-bits */
typedef struct {
unsigned num_bits;
union {
uint8_t u8;
uint16_t u16;
uint32_t u32;
uint64_t u64;
uint128_t u128;
uint256_t u256;
} bits;
} vbits_t;
/* A type large enough to hold any IRType'd value. At this point
we do not expect to test with specific floating point values.
So we don't need to represent them. */
typedef union {
uint8_t u8;
uint16_t u16;
uint32_t u32;
uint64_t u64;
uint128_t u128;
uint256_t u256;
} value_t;
void print_vbits(FILE *, vbits_t);
vbits_t undefined_vbits(unsigned num_bits);
vbits_t undefined_vbits_BxE(unsigned int bits, unsigned int elements,
vbits_t v);
vbits_t undefined_vbits_BxE_rotate(unsigned int bits, unsigned int elements,
vbits_t vbits,
value_t value);
vbits_t undefined_vbits_128_even_element(unsigned int bits,
unsigned int elements, vbits_t v);
vbits_t undefined_vbits_64x2_transpose(vbits_t v);
vbits_t undefined_vbits_Narrow256_AtoB(unsigned int src_num_bits,
unsigned int result_num_bits,
vbits_t src1_v, value_t src1_value,
vbits_t src2_v, value_t src2_value,
bool sataurate);
vbits_t defined_vbits(unsigned num_bits);
int equal_vbits(vbits_t, vbits_t);
vbits_t truncate_vbits(vbits_t, unsigned num_bits);
vbits_t left_vbits(vbits_t, unsigned num_bits);
vbits_t or_vbits(vbits_t, vbits_t);
vbits_t and_vbits(vbits_t, vbits_t);
vbits_t concat_vbits(vbits_t, vbits_t);
vbits_t upper_vbits(vbits_t);
vbits_t sextend_vbits(vbits_t, unsigned num_bits);
vbits_t zextend_vbits(vbits_t, unsigned num_bits);
vbits_t onehot_vbits(unsigned bitno, unsigned num_bits);
vbits_t shl_vbits(vbits_t, unsigned amount);
vbits_t shr_vbits(vbits_t, unsigned amount);
vbits_t sar_vbits(vbits_t, unsigned amount);
int completely_defined_vbits(vbits_t);
vbits_t cmpord_vbits(unsigned v1_num_bits, unsigned v2_num_bits);
vbits_t cmp_eq_ne_vbits(vbits_t vbits1, vbits_t vbits2,
value_t val1, value_t val2);
uint64_t min_vbits(uint64_t vbits, uint64_t value);
uint64_t max_vbits(uint64_t vbits, uint64_t value);
vbits_t int_add_or_sub_vbits(int isAdd,
vbits_t vbits1, vbits_t vbits2,
value_t val1, value_t val2);
vbits_t cmp_gt_vbits(int is_signed, int bits_per_element, int element_count,
vbits_t vbits1, vbits_t vbits2, value_t val1, value_t val2);
#endif // VBITS_H
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