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Viewing changes to new_hblk.c

  • Committer: Bazaar Package Importer
  • Author(s): Ryan Murray
  • Date: 2005-02-03 00:50:53 UTC
  • mto: (3.1.1 etch) (1.2.4 upstream)
  • mto: This revision was merged to the branch mainline in revision 3.
  • Revision ID: james.westby@ubuntu.com-20050203005053-9c0v9r2qcm2g1cfp
Tags: upstream-6.4
Import upstream version 6.4

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Lines of Context:
new_hblk.c
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    p[3] = 0;
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    p += 4;
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    for (; p < lim; p += 4) {
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        PREFETCH_FOR_WRITE(p+64);
 
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        PREFETCH_FOR_WRITE((ptr_t)(p+64));
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        p[0] = (word)(p-4);
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        p[1] = 0;
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        CLEAR_DOUBLE(p+2);
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    p[4] = (word)p;
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    p += 8;
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    for (; p < lim; p += 8) {
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        PREFETCH_FOR_WRITE(p+64);
 
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        PREFETCH_FOR_WRITE((ptr_t)(p+64));
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        p[0] = (word)(p-4);
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        p[4] = (word)p;
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    };
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  /* If we were more serious about it, these should go inside   */
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  /* the loops.  But write prefetches usually don't seem to     */
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  /* matter much.                                               */
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    PREFETCH_FOR_WRITE((char *)h);
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    PREFETCH_FOR_WRITE((char *)h + 128);
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    PREFETCH_FOR_WRITE((char *)h + 256);
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    PREFETCH_FOR_WRITE((char *)h + 378);
 
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    PREFETCH_FOR_WRITE((ptr_t)h);
 
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    PREFETCH_FOR_WRITE((ptr_t)h + 128);
 
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    PREFETCH_FOR_WRITE((ptr_t)h + 256);
 
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    PREFETCH_FOR_WRITE((ptr_t)h + 378);
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  /* Handle small objects sizes more efficiently.  For larger objects   */
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  /* the difference is less significant.                                */
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#  ifndef SMALL_CONFIG