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-rw-r--r--src/lib/libcrypto/md4/md4_dgst.c36
1 files changed, 4 insertions, 32 deletions
diff --git a/src/lib/libcrypto/md4/md4_dgst.c b/src/lib/libcrypto/md4/md4_dgst.c
index 6446f5f5e7..7afb7185b6 100644
--- a/src/lib/libcrypto/md4/md4_dgst.c
+++ b/src/lib/libcrypto/md4/md4_dgst.c
@@ -86,21 +86,7 @@ int MD4_Init(MD4_CTX *c)
86void md4_block_host_order (MD4_CTX *c, const void *data, int num) 86void md4_block_host_order (MD4_CTX *c, const void *data, int num)
87 { 87 {
88 const MD4_LONG *X=data; 88 const MD4_LONG *X=data;
89 register unsigned long A,B,C,D; 89 register unsigned MD32_REG_T A,B,C,D;
90 /*
91 * In case you wonder why A-D are declared as long and not
92 * as MD4_LONG. Doing so results in slight performance
93 * boost on LP64 architectures. The catch is we don't
94 * really care if 32 MSBs of a 64-bit register get polluted
95 * with eventual overflows as we *save* only 32 LSBs in
96 * *either* case. Now declaring 'em long excuses the compiler
97 * from keeping 32 MSBs zeroed resulting in 13% performance
98 * improvement under SPARC Solaris7/64 and 5% under AlphaLinux.
99 * Well, to be honest it should say that this *prevents*
100 * performance degradation.
101 *
102 * <appro@fy.chalmers.se>
103 */
104 90
105 A=c->A; 91 A=c->A;
106 B=c->B; 92 B=c->B;
@@ -176,25 +162,11 @@ void md4_block_host_order (MD4_CTX *c, const void *data, int num)
176void md4_block_data_order (MD4_CTX *c, const void *data_, int num) 162void md4_block_data_order (MD4_CTX *c, const void *data_, int num)
177 { 163 {
178 const unsigned char *data=data_; 164 const unsigned char *data=data_;
179 register unsigned long A,B,C,D,l; 165 register unsigned MD32_REG_T A,B,C,D,l;
180 /*
181 * In case you wonder why A-D are declared as long and not
182 * as MD4_LONG. Doing so results in slight performance
183 * boost on LP64 architectures. The catch is we don't
184 * really care if 32 MSBs of a 64-bit register get polluted
185 * with eventual overflows as we *save* only 32 LSBs in
186 * *either* case. Now declaring 'em long excuses the compiler
187 * from keeping 32 MSBs zeroed resulting in 13% performance
188 * improvement under SPARC Solaris7/64 and 5% under AlphaLinux.
189 * Well, to be honest it should say that this *prevents*
190 * performance degradation.
191 *
192 * <appro@fy.chalmers.se>
193 */
194#ifndef MD32_XARRAY 166#ifndef MD32_XARRAY
195 /* See comment in crypto/sha/sha_locl.h for details. */ 167 /* See comment in crypto/sha/sha_locl.h for details. */
196 unsigned long XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, 168 unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
197 XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15; 169 XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15;
198# define X(i) XX##i 170# define X(i) XX##i
199#else 171#else
200 MD4_LONG XX[MD4_LBLOCK]; 172 MD4_LONG XX[MD4_LBLOCK];