## Mercurial > hg > CbC > CbC_gcc

### view gcc/poly-int-types.h @ 158:494b0b89df80 default tip

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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |

parents | 1830386684a0 |

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/* Typedefs for polynomial integers used in GCC. Copyright (C) 2016-2020 Free Software Foundation, Inc. This file is part of GCC. GCC 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 3, or (at your option) any later version. GCC 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 GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ #ifndef HAVE_POLY_INT_TYPES_H #define HAVE_POLY_INT_TYPES_H typedef poly_int_pod<NUM_POLY_INT_COEFFS, unsigned short> poly_uint16_pod; typedef poly_int_pod<NUM_POLY_INT_COEFFS, HOST_WIDE_INT> poly_int64_pod; typedef poly_int_pod<NUM_POLY_INT_COEFFS, unsigned HOST_WIDE_INT> poly_uint64_pod; typedef poly_int_pod<NUM_POLY_INT_COEFFS, offset_int> poly_offset_int_pod; typedef poly_int_pod<NUM_POLY_INT_COEFFS, wide_int> poly_wide_int_pod; typedef poly_int_pod<NUM_POLY_INT_COEFFS, widest_int> poly_widest_int_pod; typedef poly_int<NUM_POLY_INT_COEFFS, unsigned short> poly_uint16; typedef poly_int<NUM_POLY_INT_COEFFS, HOST_WIDE_INT> poly_int64; typedef poly_int<NUM_POLY_INT_COEFFS, unsigned HOST_WIDE_INT> poly_uint64; typedef poly_int<NUM_POLY_INT_COEFFS, offset_int> poly_offset_int; typedef poly_int<NUM_POLY_INT_COEFFS, wide_int> poly_wide_int; typedef poly_int<NUM_POLY_INT_COEFFS, wide_int_ref> poly_wide_int_ref; typedef poly_int<NUM_POLY_INT_COEFFS, widest_int> poly_widest_int; /* Divide bit quantity X by BITS_PER_UNIT and round down (towards -Inf). If X is a bit size, this gives the number of whole bytes spanned by X. This is safe because non-constant mode sizes must be a whole number of bytes in size. */ #define bits_to_bytes_round_down(X) force_align_down_and_div (X, BITS_PER_UNIT) /* Divide bit quantity X by BITS_PER_UNIT and round up (towards +Inf). If X is a bit size, this gives the number of whole or partial bytes spanned by X. This is safe because non-constant mode sizes must be a whole number of bytes in size. */ #define bits_to_bytes_round_up(X) force_align_up_and_div (X, BITS_PER_UNIT) /* Return the number of bits in bit quantity X that do not belong to whole bytes. This is equivalent to: X - bits_to_bytes_round_down (X) * BITS_PER_UNIT This is safe because non-constant mode sizes must be a whole number of bytes in size. */ #define num_trailing_bits(X) force_get_misalignment (X, BITS_PER_UNIT) /* Round bit quantity X down to the nearest byte boundary. This is safe because non-constant mode sizes must be a whole number of bytes in size. */ #define round_down_to_byte_boundary(X) force_align_down (X, BITS_PER_UNIT) /* Round bit quantity X up the nearest byte boundary. This is safe because non-constant mode sizes must be a whole number of bytes in size. */ #define round_up_to_byte_boundary(X) force_align_up (X, BITS_PER_UNIT) /* Return the size of an element in a vector of size SIZE, given that the vector has NELTS elements. The return value is in the same units as SIZE (either bits or bytes). to_constant () is safe in this situation because vector elements are always constant-sized scalars. */ #define vector_element_size(SIZE, NELTS) \ (exact_div (SIZE, NELTS).to_constant ()) /* Wrapper for poly_int arguments to target macros, so that if a target doesn't need polynomial-sized modes, its header file can continue to treat the argument as a normal constant. This should go away once macros are moved to target hooks. It shouldn't be used in other contexts. */ #if NUM_POLY_INT_COEFFS == 1 #define MACRO_INT(X) ((X).to_constant ()) #else #define MACRO_INT(X) (X) #endif #endif