30 lines
781 B
Text
30 lines
781 B
Text
$NetBSD: patch-bl,v 1.1 2006/01/18 23:24:12 rillig Exp $
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SunPro does not know __alignof__. Replaced it with the size of ''x'',
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rounded up to the next power of two.
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--- src/types.c.orig 2003-12-12 17:09:49.000000000 +0100
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+++ src/types.c 2006-01-16 14:27:49.278596800 +0100
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@@ -23,6 +23,22 @@ Boston, MA 02111-1307, USA. */
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#include <stddef.h>
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#include "user-qual.h"
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+#if !defined(__GNUC__)
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+
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+/* http://www.hackersdelight.org/HDcode.htm, figure 3.3 */
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+static inline size_t clp2(size_t x) {
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+ x = x - 1;
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+ x = x | (x >> 1);
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+ x = x | (x >> 2);
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+ x = x | (x >> 4);
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+ x = x | (x >> 8);
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+ x = x | (x >>16);
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+ return x + 1;
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+}
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+
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+# define __alignof__(x) (clp2(sizeof(x)))
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+#endif
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+
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struct type
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{
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enum { tk_primitive, tk_complex, tk_tagged, tk_error, tk_void,
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