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[openssl.git] / crypto / md5 / md5_dgst.c

diff --git a/crypto/md5/md5_dgst.c b/crypto/md5/md5_dgst.c
index c38a3f021e9a1c71e9da099aa5d891c2e26bb446..9c7abc36972e9bba9133f3873622b5e85a78a4ce 100644 (file)
--- a/crypto/md5/md5_dgst.c
+++ b/crypto/md5/md5_dgst.c
@@ -86,21 +86,7 @@ int MD5_Init(MD5_CTX *c)
 void md5_block_host_order (MD5_CTX *c, const void *data, int num)
        {
        const MD5_LONG *X=data;
-       register unsigned long A,B,C,D;
-       /*
-        * In case you wonder why A-D are declared as long and not
-        * as MD5_LONG. Doing so results in slight performance
-        * boost on LP64 architectures. The catch is we don't
-        * really care if 32 MSBs of a 64-bit register get polluted
-        * with eventual overflows as we *save* only 32 LSBs in
-        * *either* case. Now declaring 'em long excuses the compiler
-        * from keeping 32 MSBs zeroed resulting in 13% performance
-        * improvement under SPARC Solaris7/64 and 5% under AlphaLinux.
-        * Well, to be honest it should say that this *prevents* 
-        * performance degradation.
-        *
-        *                              <appro@fy.chalmers.se>
-        */
+       register unsigned MD32_REG_T A,B,C,D;
 
        A=c->A;
        B=c->B;
@@ -193,25 +179,11 @@ void md5_block_host_order (MD5_CTX *c, const void *data, int num)
 void md5_block_data_order (MD5_CTX *c, const void *data_, int num)
        {
        const unsigned char *data=data_;
-       register unsigned long A,B,C,D,l;
-       /*
-        * In case you wonder why A-D are declared as long and not
-        * as MD5_LONG. Doing so results in slight performance
-        * boost on LP64 architectures. The catch is we don't
-        * really care if 32 MSBs of a 64-bit register get polluted
-        * with eventual overflows as we *save* only 32 LSBs in
-        * *either* case. Now declaring 'em long excuses the compiler
-        * from keeping 32 MSBs zeroed resulting in 13% performance
-        * improvement under SPARC Solaris7/64 and 5% under AlphaLinux.
-        * Well, to be honest it should say that this *prevents* 
-        * performance degradation.
-        *
-        *                              <appro@fy.chalmers.se>
-        */
+       register unsigned MD32_REG_T A,B,C,D,l;
 #ifndef MD32_XARRAY
        /* See comment in crypto/sha/sha_locl.h for details. */
-       unsigned long   XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
-                       XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15;
+       unsigned MD32_REG_T     XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
+                               XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15;
 # define X(i)  XX##i
 #else
        MD5_LONG XX[MD5_LBLOCK];