diff options
| author | Andy Polyakov <appro@openssl.org> | 2011-06-06 20:02:26 +0000 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2011-06-06 20:02:26 +0000 |
| commit | 7eabad423c2bea8c2dae7d1a7e4963ed42574bfc (patch) | |
| tree | 80b5d3e22b4556e28d0894fa14bd07ba5d8ce611 /crypto | |
| parent | 7f0d1be3a68cd43760c2b8715ba9b0c4011bccf6 (diff) | |
rc4_skey.c: remove dead/redundant code (it's never compiled) and
misleading/obsolete comment.
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/rc4/rc4_skey.c | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/crypto/rc4/rc4_skey.c b/crypto/rc4/rc4_skey.c index b22c40b0bd..f8a5956e79 100644 --- a/crypto/rc4/rc4_skey.c +++ b/crypto/rc4/rc4_skey.c @@ -104,40 +104,6 @@ void RC4_set_key(RC4_KEY *key, int len, const unsigned char *data) d[(n)]=d[id2]; \ d[id2]=tmp; } -#if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) -# if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ - defined(__INTEL__) || \ - defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) - if (sizeof(RC4_INT) > 1) { - /* - * Unlike all other x86 [and x86_64] implementations, - * Intel P4 core [including EM64T] was found to perform - * poorly with wider RC4_INT. Performance improvement - * for IA-32 hand-coded assembler turned out to be 2.8x - * if re-coded for RC4_CHAR! It's however inappropriate - * to just switch to RC4_CHAR for x86[_64], as non-P4 - * 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 - * vector and set up compressed key schedule, which is - * recognized by correspondingly updated assembler - * module... - * <appro@fy.chalmers.se> - */ - if (OPENSSL_ia32cap_P & (1<<28)) { - unsigned char *cp=(unsigned char *)d; - - for (i=0;i<256;i++) cp[i]=i; - for (i=0;i<256;i++) SK_LOOP(cp,i); - /* mark schedule as compressed! */ - d[256/sizeof(RC4_INT)]=-1; - return; - } - } -# endif -#endif for (i=0; i < 256; i++) d[i]=i; for (i=0; i < 256; i+=4) { |