improve portability to systems that don't have powf/modf (e.g. solaris 9)

patch by Evzen Muller!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103876 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index aa0597f687625d829153778ff75d77acd9c97dee..99d94c30150abcde155f124d9d670125e5ed1e26 100644 (file)
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -1634,7 +1634,7 @@ LiveIntervals::getSpillWeight(bool isDef, bool isUse, unsigned loopDepth) {
   // overflow a float. This expression behaves like 10^d for small d, but is
   // more tempered for large d. At d=200 we get 6.7e33 which leaves a bit of
   // headroom before overflow.
-  float lc = powf(1 + (100.0f / (loopDepth+10)), (float)loopDepth);
+  float lc = std::pow(1 + (100.0f / (loopDepth+10)), (float)loopDepth);
 
   return (isDef + isUse) * lc;
 }

diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index 6c8fc0c2a3224bdc8b87990964a924f7e14775de..bc331f0ff81dac06843e37e537a65608f668ebcf 100644 (file)
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -809,7 +809,7 @@ float getConflictWeight(LiveInterval *cur, unsigned Reg, LiveIntervals *li_,
     MachineInstr *MI = &*I;
     if (cur->liveAt(li_->getInstructionIndex(MI))) {
       unsigned loopDepth = loopInfo->getLoopDepth(MI->getParent());
-      Conflicts += powf(10.0f, (float)loopDepth);
+      Conflicts += std::pow(10.0f, (float)loopDepth);
     }
   }
   return Conflicts;

diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp
index 81cfd8f0bbdc8531ff1438bad486fe428756f338..4fafd2818a1249adf60ab975960be451011327f3 100644 (file)
--- a/lib/CodeGen/RegAllocPBQP.cpp
+++ b/lib/CodeGen/RegAllocPBQP.cpp
@@ -489,7 +489,7 @@ PBQPRegAlloc::CoalesceMap PBQPRegAlloc::findCoalesces() {
       // did, but none of their definitions would prevent us from coalescing.
       // We're good to go with the coalesce.
 
-      float cBenefit = powf(10.0f, loopInfo->getLoopDepth(mbb)) / 5.0;
+      float cBenefit = std::pow(10.0f, (float)loopInfo->getLoopDepth(mbb)) / 5.0;
 
       coalescesFound[RegPair(srcReg, dstReg)] = cBenefit;
       coalescesFound[RegPair(dstReg, srcReg)] = cBenefit;

diff --git a/lib/ExecutionEngine/ExecutionEngine.cpp b/lib/ExecutionEngine/ExecutionEngine.cpp
index b17827ef255f00705fcb611ad0dc2d0e7f367c63..be7f1f56a958c2c7a879b09cb2f9a114322060d5 100644 (file)
--- a/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -715,7 +715,7 @@ GenericValue ExecutionEngine::getConstantValue(const Constant *C) {
           case Instruction::FDiv: 
             GV.FloatVal = LHS.FloatVal / RHS.FloatVal; break;
           case Instruction::FRem: 
-            GV.FloatVal = ::fmodf(LHS.FloatVal,RHS.FloatVal); break;
+            GV.FloatVal = std::fmod(LHS.FloatVal,RHS.FloatVal); break;
         }
         break;
       case Type::DoubleTyID:
@@ -730,7 +730,7 @@ GenericValue ExecutionEngine::getConstantValue(const Constant *C) {
           case Instruction::FDiv: 
             GV.DoubleVal = LHS.DoubleVal / RHS.DoubleVal; break;
           case Instruction::FRem: 
-            GV.DoubleVal = ::fmod(LHS.DoubleVal,RHS.DoubleVal); break;
+            GV.DoubleVal = std::fmod(LHS.DoubleVal,RHS.DoubleVal); break;
         }
         break;
       case Type::X86_FP80TyID: