ref: 1d2767a6794afc7dfa1d6fb0f6dfa9e93f5c932d
dir: /sys/src/cmd/5a/l.s/
TEXT main(SB), $0 ADD R1,R4 ADD R1,R3,R4 ADD R1<<1,R3,R4 /* logical left */ ADD R1>>1,R3,R4 /* logical right */ ADD R1->1,R3,R4 /* arithmetic right */ ADD R1@>1,R3,R4 /* rotate right */ ADD R1<<R2,R3,R4 ADD $10,R1,R4 loop: ADD.S.NE R1,R4 BNE loop MOVW R3, CPSR MOVW R3, SPSR MOVW R3, F10 MOVW R3, (R2) MOVW R3, 10(R2) MOVW R3, name(SB) MOVW R3, name(SB)(R2) MOVW R3, name(SB)(R2) MOVW R3, (R2) MOVW R3, R1<<2(R2) MRC.EQ 3,9,R3,C5,C6,2 MRC 3,9,R3,C5,C6,2 MOVM.IA [R0,SP,R4], (R2) MOVM.DB.W (R0), [R6-R11] MOVM.DB.W (R0), [R0-R11] MOVM.S (R0), [R0-R11] // .S is supervisor space CMN $4096,R0, RET