cmeq_advsimd_zero.xml */
| 2277 | |
| 2278 | /* cmeq_advsimd_zero.xml */ |
| 2279 | int CMEQ_advsimd_zero(context *ctx, Instruction *instr) |
| 2280 | { |
| 2281 | int rc = DECODE_STATUS_UNMATCHED; |
| 2282 | /* class iclass_sisd */ |
| 2283 | /* 01|U=0|11110|size=xx|10000|opcode[4:1]=0100|op=1|10|Rn=xxxxx|Rd=xxxxx */ |
| 2284 | if((INSWORD & 0xFF3FFC00)==0x5E209800) { |
| 2285 | decode_fields32(ENC_CMEQ_ASISDMISC_Z, ctx, instr); |
| 2286 | ctx->d = UINT(ctx->Rd); |
| 2287 | ctx->n = UINT(ctx->Rn); |
| 2288 | if(ctx->size!=3) { |
| 2289 | UNDEFINED; |
| 2290 | } |
| 2291 | ctx->esize = (8) << (UINT(ctx->size)); |
| 2292 | ctx->datasize = ctx->esize; |
| 2293 | ctx->elements = 1; |
| 2294 | if(!((ctx->op<<1)|ctx->U)) { |
| 2295 | ctx->comparison = CompareOp_GT; |
| 2296 | } |
| 2297 | else if(((ctx->op<<1)|ctx->U)==1) { |
| 2298 | ctx->comparison = CompareOp_GE; |
| 2299 | } |
| 2300 | else if(((ctx->op<<1)|ctx->U)==2) { |
| 2301 | ctx->comparison = CompareOp_EQ; |
| 2302 | } |
| 2303 | else if(((ctx->op<<1)|ctx->U)==3) { |
| 2304 | ctx->comparison = CompareOp_LE; |
| 2305 | } |
| 2306 | OK(ENC_CMEQ_ASISDMISC_Z); |
| 2307 | } |
| 2308 | /* class iclass_simd */ |
| 2309 | /* 0|Q=x|U=0|01110|size=xx|10000|opcode[4:1]=0100|op=1|10|Rn=xxxxx|Rd=xxxxx */ |
| 2310 | if((INSWORD & 0xBF3FFC00)==0xE209800) { |
| 2311 | decode_fields32(ENC_CMEQ_ASIMDMISC_Z, ctx, instr); |
| 2312 | ctx->d = UINT(ctx->Rd); |
| 2313 | ctx->n = UINT(ctx->Rn); |
| 2314 | if(((ctx->size<<1)|ctx->Q)==6) { |
| 2315 | UNDEFINED; |
| 2316 | } |
| 2317 | ctx->esize = (8) << (UINT(ctx->size)); |
| 2318 | ctx->datasize = (ctx->Q==1) ? 0x80 : 0x40; |
| 2319 | ctx->elements = ((ctx->esize) ? ((ctx->datasize) / (ctx->esize)) : 0); |
| 2320 | if(!((ctx->op<<1)|ctx->U)) { |
| 2321 | ctx->comparison = CompareOp_GT; |
| 2322 | } |
| 2323 | else if(((ctx->op<<1)|ctx->U)==1) { |
| 2324 | ctx->comparison = CompareOp_GE; |
| 2325 | } |
| 2326 | else if(((ctx->op<<1)|ctx->U)==2) { |
| 2327 | ctx->comparison = CompareOp_EQ; |
| 2328 | } |
| 2329 | else if(((ctx->op<<1)|ctx->U)==3) { |
| 2330 | ctx->comparison = CompareOp_LE; |
| 2331 | } |
| 2332 | OK(ENC_CMEQ_ASIMDMISC_Z); |
| 2333 | } |
| 2334 | return rc; |
| 2335 | } |
| 2336 |
no test coverage detected