diff options
Diffstat (limited to 'src/share/vm/opto/chaitin.hpp')
| -rw-r--r-- | src/share/vm/opto/chaitin.hpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/share/vm/opto/chaitin.hpp b/src/share/vm/opto/chaitin.hpp index 273fb0320..9c7cc593e 100644 --- a/src/share/vm/opto/chaitin.hpp +++ b/src/share/vm/opto/chaitin.hpp @@ -156,6 +156,8 @@ public: // Alive if non-zero, dead if zero bool alive() const { return _def != NULL; } + bool is_multidef() const { return _def == NodeSentinel; } + bool is_singledef() const { return _def != NodeSentinel; } #ifndef PRODUCT void dump( ) const; @@ -320,7 +322,8 @@ class PhaseChaitin : public PhaseRegAlloc { uint split_DEF( Node *def, Block *b, int loc, uint max, Node **Reachblock, Node **debug_defs, GrowableArray<uint> splits, int slidx ); uint split_USE( Node *def, Block *b, Node *use, uint useidx, uint max, bool def_down, bool cisc_sp, GrowableArray<uint> splits, int slidx ); int clone_projs( Block *b, uint idx, Node *con, Node *copy, uint &maxlrg ); - Node *split_Rematerialize( Node *def, Block *b, uint insidx, uint &maxlrg, GrowableArray<uint> splits, int slidx, uint *lrg2reach, Node **Reachblock, bool walkThru ); + Node *split_Rematerialize(Node *def, Block *b, uint insidx, uint &maxlrg, GrowableArray<uint> splits, + int slidx, uint *lrg2reach, Node **Reachblock, bool walkThru); // True if lidx is used before any real register is def'd in the block bool prompt_use( Block *b, uint lidx ); Node *get_spillcopy_wide( Node *def, Node *use, uint uidx ); |