7a9389330e
gcc/: * gcc.c (default_compilers): Add entry for ".go". * common.opt: Add -static-libgo as a driver option. * doc/install.texi (Configuration): Mention libgo as an option for --enable-shared. Mention go as an option for --enable-languages. * doc/invoke.texi (Overall Options): Mention .go as a file name suffix. Mention go as a -x option. * doc/frontends.texi (G++ and GCC): Mention Go as a supported language. * doc/sourcebuild.texi (Top Level): Mention libgo. * doc/standards.texi (Standards): Add section on Go language. Move references for other languages into their own section. * doc/contrib.texi (Contributors): Mention that I contributed the Go frontend. gcc/testsuite/: * lib/go.exp: New file. * lib/go-dg.exp: New file. * lib/go-torture.exp: New file. * lib/target-supports.exp (check_compile): Match // Go. From-SVN: r167407
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/* go-type-identity.c -- hash and equality identity functions.
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Copyright 2009 The Go Authors. All rights reserved.
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file. */
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#include <stddef.h>
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#include "go-type.h"
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/* Typedefs for accesses of different sizes. */
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typedef int QItype __attribute__ ((mode (QI)));
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typedef int HItype __attribute__ ((mode (HI)));
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typedef int SItype __attribute__ ((mode (SI)));
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typedef int DItype __attribute__ ((mode (DI)));
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/* An identity hash function for a type. This is used for types where
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we can simply use the type value itself as a hash code. This is
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true of, e.g., integers and pointers. */
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size_t
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__go_type_hash_identity (const void *key, size_t key_size)
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{
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switch (key_size)
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{
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case 1:
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return *(const QItype *) key;
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case 2:
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return *(const HItype *) key;
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case 3:
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case 4:
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case 5:
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case 6:
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case 7:
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return *(const SItype *) key;
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default:
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return *(const DItype *) key;
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}
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}
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/* An identity equality function for a type. This is used for types
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where we can check for equality by checking that the values have
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the same bits. */
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_Bool
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__go_type_equal_identity (const void *k1, const void *k2, size_t key_size)
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{
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return __builtin_memcmp (k1, k2, key_size) == 0;
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}
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