Function SQNEG_advsimd

arch/arm64/disassembler/decode2.c:22551–22582

sqneg_advsimd.xml */

/* sqneg_advsimd.xml */
int SQNEG_advsimd(context *ctx, Instruction *instr)
{
	int rc = DECODE_STATUS_UNMATCHED;
	/* class iclass_sisd */
	/* 01|U=1|11110|size=xx|10000|opcode=00111|10|Rn=xxxxx|Rd=xxxxx */
	if((INSWORD & 0xFF3FFC00)==0x7E207800) {
		decode_fields32(ENC_SQNEG_ASISDMISC_R, ctx, instr);
		ctx->d = UINT(ctx->Rd);
		ctx->n = UINT(ctx->Rn);
		ctx->esize = (8) << (UINT(ctx->size));
		ctx->datasize = ctx->esize;
		ctx->elements = 1;
		ctx->neg = (ctx->U==1);
		OK(ENC_SQNEG_ASISDMISC_R);
	}
	/* class iclass_simd */
	/* 0|Q=x|U=1|01110|size=xx|10000|opcode=00111|10|Rn=xxxxx|Rd=xxxxx */
	if((INSWORD & 0xBF3FFC00)==0x2E207800) {
		decode_fields32(ENC_SQNEG_ASIMDMISC_R, ctx, instr);
		ctx->d = UINT(ctx->Rd);
		ctx->n = UINT(ctx->Rn);
		if(((ctx->size<<1)|ctx->Q)==6) {
			UNDEFINED;
		}
		ctx->esize = (8) << (UINT(ctx->size));
		ctx->datasize = (ctx->Q==1) ? 0x80 : 0x40;
		ctx->elements = ((ctx->esize) ? ((ctx->datasize) / (ctx->esize)) : 0);
		ctx->neg = (ctx->U==1);
		OK(ENC_SQNEG_ASIMDMISC_R);
	}
	return rc;
}

/* sqrdmlah_advsimd_elt.xml */
int SQRDMLAH_advsimd_elt(context *ctx, Instruction *instr)