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| author | neliasso <unknown> | 2019-02-14 14:31:32 +0100 |
|---|---|---|
| committer | bell-sw <liberica@bell-sw.com> | 2019-10-23 16:22:27 +0300 |
| commit | b3d1660b2bd63f104bca1ad7c147355e1e622529 (patch) | |
| tree | 96572368270cac334ef4686f8d69da189b3141a8 | |
| parent | 5f30df6cd70279fe9e8e1e6acb0f6b341fb9e675 (diff) | |
| download | jdk8u_hotspot-b3d1660b2bd63f104bca1ad7c147355e1e622529.tar.gz | |
8087128: C2: Disallow definition split on MachCopySpill nodes
Reviewed-by: kvn
| -rw-r--r-- | src/share/vm/opto/reg_split.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/share/vm/opto/reg_split.cpp b/src/share/vm/opto/reg_split.cpp index af798914a..a132f1f9f 100644 --- a/src/share/vm/opto/reg_split.cpp +++ b/src/share/vm/opto/reg_split.cpp @@ -1171,9 +1171,8 @@ uint PhaseChaitin::Split(uint maxlrg, ResourceArea* split_arena) { (deflrg._direct_conflict || deflrg._must_spill)) || // Check for LRG being up in a register and we are inside a high // pressure area. Spill it down immediately. - (defup && is_high_pressure(b,&deflrg,insidx))) ) { + (defup && is_high_pressure(b,&deflrg,insidx) && !n->is_SpillCopy())) ) { assert( !n->rematerialize(), "" ); - assert( !n->is_SpillCopy(), "" ); // Do a split at the def site. maxlrg = split_DEF( n, b, insidx, maxlrg, Reachblock, debug_defs, splits, slidx ); // If it wasn't split bail |