Mercurial > hg > graal-compiler
diff src/share/vm/opto/loopTransform.cpp @ 6846:377508648226
8000313: C2 should use jlong for 64bit values
Summary: Replace all occurrences of long with jlong in C2 code.
Reviewed-by: kvn, twisti
author | vlivanov |
---|---|
date | Mon, 08 Oct 2012 13:02:13 -0700 |
parents | e626685e9f6c |
children | 8e47bac5643a |
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--- a/src/share/vm/opto/loopTransform.cpp Fri Oct 05 19:44:49 2012 -0700 +++ b/src/share/vm/opto/loopTransform.cpp Mon Oct 08 13:02:13 2012 -0700 @@ -92,10 +92,10 @@ limit_n != NULL && limit_n->is_Con()) { // Use longs to avoid integer overflow. int stride_con = cl->stride_con(); - long init_con = cl->init_trip()->get_int(); - long limit_con = cl->limit()->get_int(); + jlong init_con = cl->init_trip()->get_int(); + jlong limit_con = cl->limit()->get_int(); int stride_m = stride_con - (stride_con > 0 ? 1 : -1); - long trip_count = (limit_con - init_con + stride_m)/stride_con; + jlong trip_count = (limit_con - init_con + stride_m)/stride_con; if (trip_count > 0 && (julong)trip_count < (julong)max_juint) { // Set exact trip count. cl->set_exact_trip_count((uint)trip_count); @@ -1212,16 +1212,16 @@ } else if (loop_head->has_exact_trip_count() && init->is_Con()) { // Loop's limit is constant. Loop's init could be constant when pre-loop // become peeled iteration. - long init_con = init->get_int(); + jlong init_con = init->get_int(); // We can keep old loop limit if iterations count stays the same: // old_trip_count == new_trip_count * 2 // Note: since old_trip_count >= 2 then new_trip_count >= 1 // so we also don't need to adjust zero trip test. - long limit_con = limit->get_int(); + jlong limit_con = limit->get_int(); // (stride_con*2) not overflow since stride_con <= 8. int new_stride_con = stride_con * 2; int stride_m = new_stride_con - (stride_con > 0 ? 1 : -1); - long trip_count = (limit_con - init_con + stride_m)/new_stride_con; + jlong trip_count = (limit_con - init_con + stride_m)/new_stride_con; // New trip count should satisfy next conditions. assert(trip_count > 0 && (julong)trip_count < (julong)max_juint/2, "sanity"); uint new_trip_count = (uint)trip_count;