efdfdfa788
PR go/47113 * go-backend.c: (go_field_alignment): Add ATTRIBUTE_UNUSED to variable ‘field’ . From-SVN: r168373
73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
/* go-backend.c -- Go frontend interface to gcc backend.
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Copyright (C) 2010 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tree.h"
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#include "tm.h"
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#include "tm_p.h"
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#include "go-c.h"
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/* This file holds all the cases where the Go frontend needs
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information from gcc's backend. */
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/* Return the alignment in bytes of a value of type T. */
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unsigned int
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go_type_alignment (tree t)
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{
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return TYPE_ALIGN_UNIT (t);
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}
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/* Return the alignment in bytes of a struct field of type T. */
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unsigned int
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go_field_alignment (tree t)
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{
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unsigned int v;
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v = TYPE_ALIGN (t);
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#ifdef BIGGEST_FIELD_ALIGNMENT
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if (v > BIGGEST_FIELD_ALIGNMENT)
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v = BIGGEST_FIELD_ALIGNMENT;
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#endif
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#ifdef ADJUST_FIELD_ALIGN
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{
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tree field ATTRIBUTE_UNUSED;
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field = build_decl (UNKNOWN_LOCATION, FIELD_DECL, NULL, t);
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v = ADJUST_FIELD_ALIGN (field, v);
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}
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#endif
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return v / BITS_PER_UNIT;
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}
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/* Return the size and alignment of a trampoline. */
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void
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go_trampoline_info (unsigned int *size, unsigned int *alignment)
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{
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*size = TRAMPOLINE_SIZE;
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*alignment = TRAMPOLINE_ALIGNMENT;
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}
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