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Comply with updated x86cpuid.pl.

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This commit is contained in:
Andy Polyakov 2007-11-11 20:06:17 +00:00
parent 095db72024
commit 2ea3cd8abc
1 changed files with 5 additions and 4 deletions

9
crypto/rc4/rc4_skey.c

@ -119,14 +119,15 @@ void RC4_set_key(RC4_KEY *key, int len, const unsigned char *data)
* implementations suffer from significant performance
* losses then, e.g. PIII exhibits >2x deterioration,
* and so does Opteron. In order to assure optimal
* all-round performance, let us [try to] detect P4 at
* run-time by checking upon HTT bit in CPU capability
* all-round performance, we detect P4 at run-time by
* checking upon reserved bit 20 in CPU capability
* vector and set up compressed key schedule, which is
* recognized by correspondingly updated assembler
* module...
* module... Bit 20 is set up by OPENSSL_ia32_cpuid.
*
* <appro@fy.chalmers.se>
*/
if (OPENSSL_ia32cap_P & (1<<28)) {
if (OPENSSL_ia32cap_P & (1<<20)) {
unsigned char *cp=(unsigned char *)d;
for (i=0;i<256;i++) cp[i]=i;