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factorize VARIANT2 (smaller and slower)
Originally committed as revision 8372 to svn://svn.ffmpeg.org/ffmpeg/trunk
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d6cf780419
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@ -86,32 +86,15 @@ static void transform(uint32_t state[5], uint8_t buffer[64]){
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d = state[3];
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e = state[4];
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#ifdef VARIANT2
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for(i=0; i<20; i++){
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int t= R0b(a,b,c,d,e,i);
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e= d;
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d= c;
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c= rol(b,30);
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b= a;
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a= t;
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for(i=0; i<80; i++){
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int t= e+block[i]+rol(a,5);;
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if(i<40){
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if(i<20) t+= ((b&(c^d))^d) +0x5A827999;
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else t+= ( b^c ^d) +0x6ED9EBA1;
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}else{
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if(i<60) t+= (((b|c)&d)|(b&c))+0x8F1BBCDC;
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else t+= ( b^c ^d) +0xCA62C1D6;
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}
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for(; i<40; i++){
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int t= R2b(a,b,c,d,e,i);
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e= d;
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d= c;
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c= rol(b,30);
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b= a;
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a= t;
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}
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for(; i<60; i++){
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int t= R3b(a,b,c,d,e,i);
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e= d;
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d= c;
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c= rol(b,30);
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b= a;
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a= t;
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}
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for(; i<80; i++){
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int t= R4b(a,b,c,d,e,i);
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e= d;
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d= c;
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c= rol(b,30);
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