extr.xml */
| 3992 | |
| 3993 | /* extr.xml */ |
| 3994 | int EXTR(context *ctx, Instruction *instr) |
| 3995 | { |
| 3996 | int rc = DECODE_STATUS_UNMATCHED; |
| 3997 | /* class iclass_general */ |
| 3998 | /* sf=x|op21=00|100111|N=x|o0=0|Rm=xxxxx|imms=xxxxxx|Rn=xxxxx|Rd=xxxxx */ |
| 3999 | if((INSWORD & 0x7FA00000)==0x13800000) { |
| 4000 | decode_fields32(ENC_EXTR_32_EXTRACT, ctx, instr); |
| 4001 | ctx->d = UINT(ctx->Rd); |
| 4002 | ctx->n = UINT(ctx->Rn); |
| 4003 | ctx->m = UINT(ctx->Rm); |
| 4004 | ctx->datasize = (ctx->sf==1) ? 0x40 : 0x20; |
| 4005 | if(ctx->N!=ctx->sf) { |
| 4006 | UNDEFINED; |
| 4007 | } |
| 4008 | if(ctx->sf==0 && SLICE(ctx->imms,5,5)==1) { |
| 4009 | UNDEFINED; |
| 4010 | } |
| 4011 | ctx->lsb = UINT(ctx->imms); |
| 4012 | /* regular aliases */ |
| 4013 | if(ctx->Rn==ctx->Rm) return ROR_EXTR(ctx, instr); |
| 4014 | if(ctx->sf==0 && ctx->N==0 && !(ctx->imms&0x20)) OK(ENC_EXTR_32_EXTRACT); |
| 4015 | if(ctx->sf==1 && ctx->N==1) OK(ENC_EXTR_64_EXTRACT); |
| 4016 | } |
| 4017 | return rc; |
| 4018 | } |
| 4019 | |
| 4020 | /* ext_advsimd.xml */ |
| 4021 | int EXT_advsimd(context *ctx, Instruction *instr) |
no test coverage detected