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
63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
/* go-append.c -- the go builtin append function.
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Copyright 2010 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 "go-assert.h"
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#include "go-type.h"
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#include "array.h"
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#include "runtime.h"
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#include "malloc.h"
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struct __go_open_array
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__go_append (const struct __go_slice_type *type,
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struct __go_open_array a, struct __go_open_array b)
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{
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size_t element_size;
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unsigned int ucount;
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int count;
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if (b.__values == NULL || b.__count == 0)
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return a;
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__go_assert (type->__common.__code == GO_SLICE);
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element_size = type->__element_type->__size;
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ucount = (unsigned int) a.__count + (unsigned int) b.__count;
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count = (int) ucount;
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__go_assert (ucount == (unsigned int) count && count >= a.__count);
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if (count > a.__capacity)
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{
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int m;
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struct __go_open_array n;
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m = a.__capacity;
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if (m == 0)
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m = b.__count;
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else
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{
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do
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{
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if (a.__count < 1024)
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m += m;
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else
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m += m / 4;
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}
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while (m < count);
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}
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n.__values = __go_alloc (m * element_size);
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n.__count = a.__count;
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n.__capacity = m;
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__builtin_memcpy (n.__values, a.__values, n.__count * element_size);
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a = n;
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}
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__builtin_memmove ((char *) a.__values + a.__count * element_size,
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b.__values, b.__count * element_size);
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a.__count = count;
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return a;
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}
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