[llvm-commits] CVS: llvm/lib/CodeGen/LiveIntervalAnalysis.cpp RegAllocLinearScan.cpp

Jim Laskey jlaskey at apple.com
Tue Nov 7 04:26:05 PST 2006



Changes in directory llvm/lib/CodeGen:

LiveIntervalAnalysis.cpp updated: 1.190 -> 1.191
RegAllocLinearScan.cpp updated: 1.129 -> 1.130
---
Log message:

Use correct value for float HUGH_VAL.

---
Diffs of the changes:  (+6 -6)

 LiveIntervalAnalysis.cpp |    8 ++++----
 RegAllocLinearScan.cpp   |    4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)


Index: llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
diff -u llvm/lib/CodeGen/LiveIntervalAnalysis.cpp:1.190 llvm/lib/CodeGen/LiveIntervalAnalysis.cpp:1.191
--- llvm/lib/CodeGen/LiveIntervalAnalysis.cpp:1.190	Tue Nov  7 01:18:40 2006
+++ llvm/lib/CodeGen/LiveIntervalAnalysis.cpp	Tue Nov  7 06:25:45 2006
@@ -219,7 +219,7 @@
       // range the use follows def immediately, it doesn't make sense to spill
       // it and hope it will be easier to allocate for this li.
       if (isZeroLengthInterval(&LI))
-        LI.weight = float(HUGE_VAL);
+        LI.weight = HUGE_VALF;
       
       if (EnableReweight) {
         // Divide the weight of the interval by its size.  This encourages 
@@ -265,7 +265,7 @@
 
   std::vector<LiveInterval*> added;
 
-  assert(li.weight != HUGE_VAL &&
+  assert(li.weight != HUGE_VALF &&
          "attempt to spill already spilled interval!");
 
   DEBUG(std::cerr << "\t\t\t\tadding intervals for spills for interval: ";
@@ -340,7 +340,7 @@
 
             // the spill weight is now infinity as it
             // cannot be spilled again
-            nI.weight = float(HUGE_VAL);
+            nI.weight = HUGE_VALF;
 
             if (HasUse) {
               LiveRange LR(getLoadIndex(index), getUseIndex(index),
@@ -1362,6 +1362,6 @@
 
 LiveInterval LiveIntervals::createInterval(unsigned reg) {
   float Weight = MRegisterInfo::isPhysicalRegister(reg) ?
-                       (float)HUGE_VAL : 0.0F;
+                       HUGE_VALF : 0.0F;
   return LiveInterval(reg, Weight);
 }


Index: llvm/lib/CodeGen/RegAllocLinearScan.cpp
diff -u llvm/lib/CodeGen/RegAllocLinearScan.cpp:1.129 llvm/lib/CodeGen/RegAllocLinearScan.cpp:1.130
--- llvm/lib/CodeGen/RegAllocLinearScan.cpp:1.129	Tue Oct 24 09:35:25 2006
+++ llvm/lib/CodeGen/RegAllocLinearScan.cpp	Tue Nov  7 06:25:45 2006
@@ -545,7 +545,7 @@
   DEBUG(std::cerr << "\tassigning stack slot at interval "<< *cur << ":\n");
 
   // Find a register to spill.
-  float minWeight = float(HUGE_VAL);
+  float minWeight = HUGE_VALF;
   unsigned minReg = 0;
   for (TargetRegisterClass::iterator i = RC->allocation_order_begin(*mf_),
        e = RC->allocation_order_end(*mf_); i != e; ++i) {
@@ -582,7 +582,7 @@
   // if the current has the minimum weight, we need to spill it and
   // add any added intervals back to unhandled, and restart
   // linearscan.
-  if (cur->weight != float(HUGE_VAL) && cur->weight <= minWeight) {
+  if (cur->weight != HUGE_VALF && cur->weight <= minWeight) {
     DEBUG(std::cerr << "\t\t\tspilling(c): " << *cur << '\n';);
     int slot = vrm_->assignVirt2StackSlot(cur->reg);
     std::vector<LiveInterval*> added =






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