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hub / github.com/Vector35/binaryninja-api / USHR_advsimd

Function USHR_advsimd

arch/arm64/disassembler/decode2.c:29752–29795  ·  view source on GitHub ↗

ushr_advsimd.xml */

Source from the content-addressed store, hash-verified

29750
29751/* ushr_advsimd.xml */
29752int USHR_advsimd(context *ctx, Instruction *instr)
29753{
29754 int rc = DECODE_STATUS_UNMATCHED;
29755 /* class iclass_sisd */
29756 /* 01|U=1|111110|immh!=0000|immb=xxx|opcode[4:3]=00|o1=0|o0=0|opcode[0]=0|1|Rn=xxxxx|Rd=xxxxx */
29757 if((INSWORD & 0xFF80FC00)==0x7F000400 && (INSWORD & 0x780000)!=0x0) {
29758 decode_fields32(ENC_USHR_ASISDSHF_R, ctx, instr);
29759 ctx->d = UINT(ctx->Rd);
29760 ctx->n = UINT(ctx->Rn);
29761 if(SLICE(ctx->immh,3,3)!=1) {
29762 UNDEFINED;
29763 }
29764 ctx->esize = (8) << (3);
29765 ctx->datasize = ctx->esize;
29766 ctx->elements = 1;
29767 ctx->shift = ((ctx->esize) * (2))-UINT(((ctx->immh<<3)|ctx->immb));
29768 ctx->unsigned_ = (ctx->U==1);
29769 ctx->round = (ctx->o1==1);
29770 ctx->accumulate = (ctx->o0==1);
29771 OK(ENC_USHR_ASISDSHF_R);
29772 }
29773 /* class iclass_simd */
29774 /* 0|Q=x|U=1|011110|immh!=0000|immb=xxx|opcode[4:3]=00|o1=0|o0=0|opcode[0]=0|1|Rn=xxxxx|Rd=xxxxx */
29775 if((INSWORD & 0xBF80FC00)==0x2F000400 && (INSWORD & 0x780000)!=0x0) {
29776 decode_fields32(ENC_USHR_ASIMDSHF_R, ctx, instr);
29777 ctx->d = UINT(ctx->Rd);
29778 ctx->n = UINT(ctx->Rn);
29779 if(ctx->immh==0) {
29780 SEE /* asimdimm */;
29781 }
29782 if(((SLICE(ctx->immh,3,3)<<1)|ctx->Q)==2) {
29783 UNDEFINED;
29784 }
29785 ctx->esize = (8) << (HighestSetBit(ctx->immh));
29786 ctx->datasize = (ctx->Q==1) ? 0x80 : 0x40;
29787 ctx->elements = ((ctx->esize) ? ((ctx->datasize) / (ctx->esize)) : 0);
29788 ctx->shift = ((ctx->esize) * (2))-UINT(((ctx->immh<<3)|ctx->immb));
29789 ctx->unsigned_ = (ctx->U==1);
29790 ctx->round = (ctx->o1==1);
29791 ctx->accumulate = (ctx->o0==1);
29792 OK(ENC_USHR_ASIMDSHF_R);
29793 }
29794 return rc;
29795}
29796
29797/* usmmla_advsimd_vec.xml */
29798int USMMLA_advsimd_vec(context *ctx, Instruction *instr)

Callers 2

decode_iclass_asisdshfFunction · 0.85
decode_iclass_asimdshfFunction · 0.85

Calls 2

decode_fields32Function · 0.85
HighestSetBitFunction · 0.85

Tested by

no test coverage detected