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UltraSPARC performance "tune-up."

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This commit is contained in:
Andy Polyakov 2002-12-27 14:50:13 +00:00
parent 4b8e01a22f
commit 0c78046356
2 changed files with 9 additions and 1 deletions
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8
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'.

2
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