Upstream version 8.37.186.0

[platform/framework/web/crosswalk.git] / src / v8 / src / lithium-allocator.h

diff --git a/src/v8/src/lithium-allocator.h b/src/v8/src/lithium-allocator.h
index 1d313a5..58573c3 100644 (file)
--- a/src/v8/src/lithium-allocator.h
+++ b/src/v8/src/lithium-allocator.h
@@ -121,10 +121,19 @@ class LifetimePosition {
 enum RegisterKind {
   UNALLOCATED_REGISTERS,
   GENERAL_REGISTERS,
-  DOUBLE_REGISTERS
+  DOUBLE_REGISTERS,
+  FLOAT32x4_REGISTERS,
+  FLOAT64x2_REGISTERS,
+  INT32x4_REGISTERS
 };
 
 
+inline bool IsSIMD128RegisterKind(RegisterKind kind) {
+  return kind == FLOAT32x4_REGISTERS || kind == FLOAT64x2_REGISTERS ||
+         kind == INT32x4_REGISTERS;
+}
+
+
 // A register-allocator view of a Lithium instruction. It contains the id of
 // the output operand and a list of input operand uses.
 
@@ -589,11 +598,16 @@ class LAllocator BASE_EMBEDDED {
   ZoneList<LiveRange*> active_live_ranges_;
   ZoneList<LiveRange*> inactive_live_ranges_;
   ZoneList<LiveRange*> reusable_slots_;
+  // Slots reusable for float32x4, float64x2 and int32x4 register spilling.
+  ZoneList<LiveRange*> reusable_simd128_slots_;
 
   // Next virtual register number to be assigned to temporaries.
   int next_virtual_register_;
   int first_artificial_register_;
   GrowableBitVector double_artificial_registers_;
+  GrowableBitVector float32x4_artificial_registers_;
+  GrowableBitVector float64x2_artificial_registers_;
+  GrowableBitVector int32x4_artificial_registers_;
 
   RegisterKind mode_;
   int num_registers_;