# HG changeset patch
# User Stefan Anzinger <stefan.anzinger@oracle.com>
# Date 1429196513 -7200
# Node ID ec36daea3cf0fdcbcc886ecf469acae139dc86bf
# Parent  0a4bbeae6e3148663013e20256c87ee60e600989
When OutOfRegisters, give a hint in the exceptions description, which kind of register is running out

diff -r 0a4bbeae6e31 -r ec36daea3cf0 graal/com.oracle.graal.lir/src/com/oracle/graal/lir/alloc/lsra/LinearScanWalker.java
--- a/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/alloc/lsra/LinearScanWalker.java	Thu Apr 16 17:00:53 2015 +0200
+++ b/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/alloc/lsra/LinearScanWalker.java	Thu Apr 16 17:01:53 2015 +0200
@@ -714,7 +714,7 @@
 
                 if (firstUsage <= interval.from() + 1) {
                     String description = "cannot spill interval that is used in first instruction (possible reason: no register found) firstUsage=" + firstUsage + ", interval.from()=" +
-                                    interval.from();
+                                    interval.from() + "; already used candidates: " + Arrays.toString(availableRegs);
                     // assign a reasonable register and do a bailout in product mode to avoid errors
                     allocator.assignSpillSlot(interval);
                     allocator.printIntervals(description);