Function SQRDMLSH_advsimd_vec

arch/arm64/disassembler/decode2.c:22762–22806

sqrdmlsh_advsimd_vec.xml */

/* sqrdmlsh_advsimd_vec.xml */
int SQRDMLSH_advsimd_vec(context *ctx, Instruction *instr)
{
	int rc = DECODE_STATUS_UNMATCHED;
	/* class iclass_sisd */
	/* 01|U=1|11110|size=xx|0|Rm=xxxxx|1|opcode[3:1]=000|S=1|1|Rn=xxxxx|Rd=xxxxx */
	if((INSWORD & 0xFF20FC00)==0x7E008C00) {
		decode_fields32(ENC_SQRDMLSH_ASISDSAME2_ONLY, ctx, instr);
		if(!HaveQRDMLAHExt()) {
			UNDEFINED;
		}
		ctx->d = UINT(ctx->Rd);
		ctx->n = UINT(ctx->Rn);
		ctx->m = UINT(ctx->Rm);
		if(ctx->size==3 || ctx->size==0) {
			UNDEFINED;
		}
		ctx->esize = (8) << (UINT(ctx->size));
		ctx->datasize = ctx->esize;
		ctx->elements = 1;
		ctx->rounding = TRUE;
		ctx->sub_op = (ctx->S==1);
		OK(ENC_SQRDMLSH_ASISDSAME2_ONLY);
	}
	/* class iclass_simd */
	/* 0|Q=x|U=1|01110|size=xx|0|Rm=xxxxx|1|opcode[3:1]=000|S=1|1|Rn=xxxxx|Rd=xxxxx */
	if((INSWORD & 0xBF20FC00)==0x2E008C00) {
		decode_fields32(ENC_SQRDMLSH_ASIMDSAME2_ONLY, ctx, instr);
		if(!HaveQRDMLAHExt()) {
			UNDEFINED;
		}
		ctx->d = UINT(ctx->Rd);
		ctx->n = UINT(ctx->Rn);
		ctx->m = UINT(ctx->Rm);
		if(ctx->size==3 || ctx->size==0) {
			UNDEFINED;
		}
		ctx->esize = (8) << (UINT(ctx->size));
		ctx->datasize = (ctx->Q==1) ? 0x80 : 0x40;
		ctx->elements = ((ctx->esize) ? ((ctx->datasize) / (ctx->esize)) : 0);
		ctx->rounding = TRUE;
		ctx->sub_op = (ctx->S==1);
		OK(ENC_SQRDMLSH_ASIMDSAME2_ONLY);
	}
	return rc;
}

/* sqrdmulh_advsimd_elt.xml */
int SQRDMULH_advsimd_elt(context *ctx, Instruction *instr)