perf/util/expr.y

40 		double val;
75 /* During computing ids, does val represent a constant (non-BOTTOM) value? */
76 static bool is_const(double val)
78 	return isfinite(val);
84 		.val = BOTTOM,
102 		result.val = NAN;
104 			result.val = source_count
115 		result.val = BOTTOM;
131 	if (!compute_ids || (is_const(LHS.val) && is_const(RHS.val))) { \
134 		if (isnan(LHS.val) || isnan(RHS.val)) {			\
135 			RESULT.val = NAN;				\
137 			RESULT.val = LHS.val OP RHS.val;		\
153 		*final_val = $1.val;
159 	if (fpclassify($3.val) == FP_ZERO) {
164 		$$.val = $5.val;
168 	} else if (!compute_ids || is_const($3.val)) {
174 		$$.val = $1.val;
178 	} else if ($1.val == $5.val) {
183 		$$.val = $1.val;
201 	$$.val = $1;
208 	$$.val = expr__has_event(ctx, compute_ids, $3);
214 	$$.val = expr__strcmp_cpuid_str(ctx, compute_ids, $3);
220 	if (is_const($1.val) && is_const($3.val)) {
224 		$$.val = (fpclassify($1.val) == FP_ZERO && fpclassify($3.val) == FP_ZERO) ? 0 : 1;
225 	} else if (is_const($1.val)) {
227 		if (fpclassify($1.val) == FP_ZERO) {
230 			$$.val = 1;
234 	} else if (is_const($3.val)) {
236 		if (fpclassify($3.val) == FP_ZERO) {
239 			$$.val = 1;
249 	if (is_const($1.val) && is_const($3.val)) {
252 		$$.val = (fpclassify($1.val) != FP_ZERO && fpclassify($3.val) != FP_ZERO) ? 1 : 0;
254 	} else if (is_const($1.val)) {
256 		if (fpclassify($1.val) != FP_ZERO) {
259 			$$.val = 0;
263 	} else if (is_const($3.val)) {
265 		if (fpclassify($3.val) != FP_ZERO) {
268 			$$.val = 0;
278 	if (is_const($1.val) && is_const($3.val)) {
281 		$$.val = (fpclassify($1.val) == FP_ZERO) != (fpclassify($3.val) == FP_ZERO) ? 1 : 0;
294 	if (fpclassify($3.val) == FP_ZERO) {
299 		$$.val = NAN;
301 	} else if (!compute_ids || (is_const($1.val) && is_const($3.val))) {
304 		$$.val = $1.val / $3.val;
313 	if (fpclassify($3.val) == FP_ZERO) {
316 	} else if (!compute_ids || (is_const($1.val) && is_const($3.val))) {
319 		$$.val = (long)$1.val % (long)$3.val;
328 	if (fpclassify($5.val) == FP_ZERO) {
334 		$$.val = 0.0;
337 	} else if (!compute_ids || (is_const($3.val) && is_const($5.val))) {
340 		$$.val = $3.val / $5.val;
349 	$$.val = -$2.val;
359 		$$.val = $3.val < $5.val ? $3.val : $5.val;
368 		$$.val = $3.val > $5.val ? $3.val : $5.val;
376 	$$.val = $1;