| /* Typedefs for polynomial integers used in GCC. |
| Copyright (C) 2016-2018 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 |