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* TwoHeadArena and TwoHeadGfxArena docs, ALIGNOF macro * AllocStart -> AllocHead , AllocEnd -> AllocTail * Format * Suggested changes * Fix * Further suggested changes
28 lines
661 B
C
28 lines
661 B
C
#ifndef ALIGNMENT_H
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#define ALIGNMENT_H
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#define ALIGN8(val) (((val) + 7) & ~7)
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#define ALIGN16(val) (((val) + 0xF) & ~0xF)
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#define ALIGN32(val) (((val) + 0x1F) & ~0x1F)
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#define ALIGN64(val) (((val) + 0x3F) & ~0x3F)
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#define ALIGN256(val) (((val) + 0xFF) & ~0xFF)
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#ifdef __GNUC__
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#define ALIGNED8 __attribute__ ((aligned (8)))
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#else
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#define ALIGNED8
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#endif
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#ifdef __sgi /* IDO compiler */
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#define ALIGNOF(x) __builtin_alignof(x)
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#elif (__STDC_VERSION__ >= 201112L) /* C11 */
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#define ALIGNOF(x) _Alignof(x)
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#else /* __GNUC__ */
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#define ALIGNOF(x) __alignof__(x)
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#endif
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#define ALIGN_MASK(n) (~((n) - 1))
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#define ALIGNOF_MASK(x) ALIGN_MASK(ALIGNOF(x))
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#endif
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