Mercurial > hg > graal-jvmci-8
diff src/share/vm/opto/loopTransform.cpp @ 12027:bcc4f6f54d83
8022993: Convert MAX_UNROLL constant to LoopMaxUnroll C2 flag
Summary: Replace MAX_UNROLL constant with new C2 LoopMaxUnroll flag.
Reviewed-by: roland
| author | kvn |
|---|---|
| date | Wed, 14 Aug 2013 10:21:26 -0700 |
| parents | a59625d96f71 |
| children | c9ccd7b85f20 cfd05ec74089 |
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--- a/src/share/vm/opto/loopTransform.cpp Sat Aug 10 10:01:12 2013 +0400 +++ b/src/share/vm/opto/loopTransform.cpp Wed Aug 14 10:21:26 2013 -0700 @@ -624,8 +624,6 @@ } -#define MAX_UNROLL 16 // maximum number of unrolls for main loop - //------------------------------policy_unroll---------------------------------- // Return TRUE or FALSE if the loop should be unrolled or not. Unroll if // the loop is a CountedLoop and the body is small enough. @@ -642,7 +640,7 @@ if (cl->trip_count() <= (uint)(cl->is_normal_loop() ? 2 : 1)) return false; int future_unroll_ct = cl->unrolled_count() * 2; - if (future_unroll_ct > MAX_UNROLL) return false; + if (future_unroll_ct > LoopMaxUnroll) return false; // Check for initial stride being a small enough constant if (abs(cl->stride_con()) > (1<<2)*future_unroll_ct) return false;