44 static LinearScanTimers _total_timer;
45
46 // helper macro for short definition of timer
47 #define TIME_LINEAR_SCAN(timer_name) TraceTime _block_timer("", _total_timer.timer(LinearScanTimers::timer_name), TimeLinearScan || TimeEachLinearScan, Verbose);
48
49 // helper macro for short definition of trace-output inside code
50 #define TRACE_LINEAR_SCAN(level, code) \
51 if (TraceLinearScanLevel >= level) { \
52 code; \
53 }
54
55 #else
56
57 #define TIME_LINEAR_SCAN(timer_name)
58 #define TRACE_LINEAR_SCAN(level, code)
59
60 #endif
61
62 // Map BasicType to spill size in 32-bit words, matching VMReg's notion of words
63 #ifdef _LP64
64 static int type2spill_size[T_CONFLICT+1]={ -1, 0, 0, 0, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 0, 2, 1, 2, 1, -1};
65 #else
66 static int type2spill_size[T_CONFLICT+1]={ -1, 0, 0, 0, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 0, 1, -1, 1, 1, -1};
67 #endif
68
69
70 // Implementation of LinearScan
71
72 LinearScan::LinearScan(IR* ir, LIRGenerator* gen, FrameMap* frame_map)
73 : _compilation(ir->compilation())
74 , _ir(ir)
75 , _gen(gen)
76 , _frame_map(frame_map)
77 , _cached_blocks(*ir->linear_scan_order())
78 , _num_virtual_regs(gen->max_virtual_register_number())
79 , _has_fpu_registers(false)
80 , _num_calls(-1)
81 , _max_spills(0)
82 , _unused_spill_slot(-1)
83 , _intervals(0) // initialized later with correct length
84 , _new_intervals_from_allocation(new IntervalList())
85 , _sorted_intervals(NULL)
86 , _needs_full_resort(false)
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44 static LinearScanTimers _total_timer;
45
46 // helper macro for short definition of timer
47 #define TIME_LINEAR_SCAN(timer_name) TraceTime _block_timer("", _total_timer.timer(LinearScanTimers::timer_name), TimeLinearScan || TimeEachLinearScan, Verbose);
48
49 // helper macro for short definition of trace-output inside code
50 #define TRACE_LINEAR_SCAN(level, code) \
51 if (TraceLinearScanLevel >= level) { \
52 code; \
53 }
54
55 #else
56
57 #define TIME_LINEAR_SCAN(timer_name)
58 #define TRACE_LINEAR_SCAN(level, code)
59
60 #endif
61
62 // Map BasicType to spill size in 32-bit words, matching VMReg's notion of words
63 #ifdef _LP64
64 static int type2spill_size[T_CONFLICT+1]={ -1, 0, 0, 0, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 0, 2, 1, 2, 1, 2, -1};
65 #else
66 static int type2spill_size[T_CONFLICT+1]={ -1, 0, 0, 0, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 0, 1, -1, 1, 1, 1, -1};
67 #endif
68
69
70 // Implementation of LinearScan
71
72 LinearScan::LinearScan(IR* ir, LIRGenerator* gen, FrameMap* frame_map)
73 : _compilation(ir->compilation())
74 , _ir(ir)
75 , _gen(gen)
76 , _frame_map(frame_map)
77 , _cached_blocks(*ir->linear_scan_order())
78 , _num_virtual_regs(gen->max_virtual_register_number())
79 , _has_fpu_registers(false)
80 , _num_calls(-1)
81 , _max_spills(0)
82 , _unused_spill_slot(-1)
83 , _intervals(0) // initialized later with correct length
84 , _new_intervals_from_allocation(new IntervalList())
85 , _sorted_intervals(NULL)
86 , _needs_full_resort(false)
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