powerpc/crypto/sha256-spe-asm.S

38 #define rT0	r22	/* 64 bit temporaries 				*/
103 	rotrwi		rT0,e,6;	/* 1: S1 = e rotr 6		*/ \
106 	xor		rT0,rT0,rT1;	/* 1: S1 = S1 xor S1'		*/ \
108 	xor		rT0,rT0,rT2;	/* 1: S1 = S1 xor S1"		*/ \
112 	add		h,h,rT0;	/* 1: temp1 = h + S1		*/ \
114 	rotrwi		rT0,a,2;	/* 1: S0 = a rotr 2		*/ \
119 	xor		rT0,rT0,rT1;	/* 1: S0 = S0 xor S0'		*/ \
121 	xor		rT3,rT0,rT3;	/* 1: S0 = S0 xor S0"		*/ \
128 	rotrwi		rT0,d,6;	/* 2: S1 = e rotr 6		*/ \
133 	xor		rT0,rT0,rT1;	/* 2: S1 = S1 xor S1'		*/ \
135 	xor		rT0,rT0,rT2;	/* 2: S1 = S1 xor S1"		*/ \
139 	add		g,g,rT0;	/* 2: temp1 = h + S1		*/ \
141 	rotrwi		rT0,h,2;	/* 2: S0 = a rotr 2		*/ \
146 	xor		rT0,rT0,rT1;	/* 2: S0 = S0 xor S0'		*/ \
148 	xor		rT3,rT0,rT3;	/* 2: S0 = S0 xor S0"		*/ \
158 	evmergelohi	rT0,w0,w1;	/*    w[-15]			*/ \
160 	evsrwiu		rT1,rT0,3;	/*    s0 = w[-15] >> 3		*/ \
162 	evrlwi		rT0,rT0,25;	/*    s0' = w[-15] rotr	7	*/ \
164 	evxor		rT1,rT1,rT0;	/*    s0 = s0 xor s0'		*/ \
166 	evrlwi		rT0,rT0,21;	/*    s0' = w[-15] rotr 18	*/ \
168 	evxor		rT0,rT0,rT1;	/*    s0 = s0 xor s0'		*/ \
170 	evaddw		w0,w0,rT0;	/*    w = w[-16] + s0		*/ \
172 	evsrwiu		rT0,w7,10;	/*    s1 = w[-2] >> 10		*/ \
176 	evxor		rT0,rT0,rT1;	/*    s1 = s1 xor s1'		*/ \
180 	evxor		rT0,rT0,rT1;	/*    s1 = s1 xor s1'		*/ \
184 	evaddw		w0,w0,rT0;	/*    w = w + s1		*/ \
186 	evmergelohi	rT0,w4,w5;	/*    w[-7]			*/ \
188 	evaddw		w0,w0,rT0;	/*    w = w + w[-7]		*/ \
193 	evmergehi	rT0,rT1,rT1;	/*    wk1/wk2			*/ \
195 	add		h,h,rT0;	/* 1: temp1 = temp1 + wk	*/ \
199 	rotrwi		rT0,d,6;	/* 2: S1 = e rotr 6		*/ \
203 	xor		rT0,rT0,rT1;	/* 2: S1 = S1 xor S1'		*/ \
205 	xor		rT0,rT0,rT2;	/* 2: S1 = S1 xor S1"		*/ \
207 	add		g,g,rT0;	/* 2: temp1 = h + S1		*/ \
209 	rotrwi		rT0,h,2;	/* 2: S0 = a rotr 2		*/ \
213 	xor		rT0,rT0,rT1;	/* 2: S0 = S0 xor S0'		*/ \
217 	xor		rT3,rT0,rT3;	/* 2: S0 = S0 xor S0"		*/ \