зеркало из https://github.com/mozilla/pjs.git
[Bug 331043] Improve hash performance using _rotr intrinsic, r=brendan,nelson
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f3b8c60285
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2efb83f575
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@ -35,7 +35,7 @@
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* ***** END LICENSE BLOCK ***** */
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#ifdef DEBUG
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static const char CVS_ID[] = "@(#) $RCSfile: hash.c,v $ $Revision: 1.9 $ $Date: 2005-01-20 02:25:45 $";
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static const char CVS_ID[] = "@(#) $RCSfile: hash.c,v $ $Revision: 1.10 $ $Date: 2008-01-27 00:43:52 $";
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#endif /* DEBUG */
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/*
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@ -52,6 +52,8 @@ static const char CVS_ID[] = "@(#) $RCSfile: hash.c,v $ $Revision: 1.9 $ $Date:
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#include "base.h"
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#endif /* BASE_H */
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#include "prbit.h"
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/*
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* nssHash
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*
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@ -101,7 +103,7 @@ nss_item_hash
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NSSItem *it = (NSSItem *)key;
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h = 0;
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for (i=0; i<it->size; i++)
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h = (h >> 28) ^ (h << 4) ^ ((unsigned char *)it->data)[i];
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h = PR_ROTATE_RIGHT32(h, 28) ^ ((unsigned char *)it->data)[i];
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return h;
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}
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@ -35,7 +35,7 @@
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* ***** END LICENSE BLOCK ***** */
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#ifdef DEBUG
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static const char CVS_ID[] = "@(#) $RCSfile: pkistore.c,v $ $Revision: 1.30 $ $Date: 2007-11-16 05:29:27 $";
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static const char CVS_ID[] = "@(#) $RCSfile: pkistore.c,v $ $Revision: 1.31 $ $Date: 2008-01-27 00:43:57 $";
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#endif /* DEBUG */
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#ifndef PKIM_H
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@ -60,6 +60,8 @@ static const char CVS_ID[] = "@(#) $RCSfile: pkistore.c,v $ $Revision: 1.30 $ $D
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#include "cert.h"
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#include "prbit.h"
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/*
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* Certificate Store
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*
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@ -719,9 +721,9 @@ nss_certificate_hash (
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NSSCertificate *c = (NSSCertificate *)key;
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h = 0;
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for (i=0; i<c->issuer.size; i++)
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h = (h >> 28) ^ (h << 4) ^ ((unsigned char *)c->issuer.data)[i];
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h = PR_ROTATE_RIGHT32(h, 28) ^ ((unsigned char *)c->issuer.data)[i];
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for (i=0; i<c->serial.size; i++)
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h = (h >> 28) ^ (h << 4) ^ ((unsigned char *)c->serial.data)[i];
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h = PR_ROTATE_RIGHT32(h, 28) ^ ((unsigned char *)c->serial.data)[i];
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return h;
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}
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