Function FSQRT_advsimd

arch/arm64/disassembler/decode2.c:11492–11524

fsqrt_advsimd.xml */

/* fsqrt_advsimd.xml */
int FSQRT_advsimd(context *ctx, Instruction *instr)
{
	int rc = DECODE_STATUS_UNMATCHED;
	/* class iclass_half */
	/* 0|Q=x|U=1|01110|a=1|111100|opcode=11111|10|Rn=xxxxx|Rd=xxxxx */
	if((INSWORD & 0xBFFFFC00)==0x2EF9F800) {
		decode_fields32(ENC_FSQRT_ASIMDMISCFP16_R, ctx, instr);
		if(!HaveFP16Ext()) {
			UNDEFINED;
		}
		ctx->d = UINT(ctx->Rd);
		ctx->n = UINT(ctx->Rn);
		ctx->esize = 0x10;
		ctx->datasize = (ctx->Q==1) ? 0x80 : 0x40;
		ctx->elements = ((ctx->esize) ? ((ctx->datasize) / (ctx->esize)) : 0);
		OK(ENC_FSQRT_ASIMDMISCFP16_R);
	}
	/* class iclass_single_and_double */
	/* 0|Q=x|U=1|01110|size[1]=1|sz=x|10000|opcode=11111|10|Rn=xxxxx|Rd=xxxxx */
	if((INSWORD & 0xBFBFFC00)==0x2EA1F800) {
		decode_fields32(ENC_FSQRT_ASIMDMISC_R, ctx, instr);
		ctx->d = UINT(ctx->Rd);
		ctx->n = UINT(ctx->Rn);
		if(((ctx->sz<<1)|ctx->Q)==2) {
			UNDEFINED;
		}
		ctx->esize = (0x20) << (UINT(ctx->sz));
		ctx->datasize = (ctx->Q==1) ? 0x80 : 0x40;
		ctx->elements = ((ctx->esize) ? ((ctx->datasize) / (ctx->esize)) : 0);
		OK(ENC_FSQRT_ASIMDMISC_R);
	}
	return rc;
}

/* fsqrt_float.xml */
int FSQRT_float(context *ctx, Instruction *instr)