Commit 0c780463 authored by Andy Polyakov's avatar Andy Polyakov
Browse files

UltraSPARC performance "tune-up."

parent 4b8e01a2

PROBLEMS

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@@ -62,3 +62,11 @@ What happens is that gcc might optimize a little too agressively, and 
you end up with an extra incrementation when *header != '4'.



We recommend that you upgrade gcc to as high a 3.x version as you can.



* solaris64-sparcv9-cc SHA-1 performance with WorkShop 6 compiler.



As subject suggests SHA-1 might perform poorly (4 times slower)

if compiled with WorkShop 6 compiler and -xarch=v9. The cause for

this seems to be the fact that compiler emits multiplication to

perform shift operations:-( To work the problem around configure

with './Configure solaris64-sparcv9-cc -DMD32_REG_T=int'.

crypto/md5/md5_locl.h

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@@ -68,7 +68,7 @@ 
#ifdef MD5_ASM

# if defined(__i386) || defined(__i386__) || defined(_M_IX86) || defined(__INTEL__)

#  define md5_block_host_order md5_block_asm_host_order

# elif defined(__sparc) && defined(OPENSSL_SYS_ULTRASPARC)

# elif defined(__sparc) && defined(OPENSSL_SYSNAME_ULTRASPARC)

   void md5_block_asm_data_order_aligned (MD5_CTX *c, const MD5_LONG *p,int num);

#  define HASH_BLOCK_DATA_ORDER_ALIGNED md5_block_asm_data_order_aligned

# endif