Rename ClobberCalleeSave to *Caller*, fix it for x86.

Change-Id: I6a72703a11985e2753fa9b4520c375a164301433
diff --git a/compiler/dex/quick/arm/fp_arm.cc b/compiler/dex/quick/arm/fp_arm.cc
index 1575ece..dc2e0d0 100644
--- a/compiler/dex/quick/arm/fp_arm.cc
+++ b/compiler/dex/quick/arm/fp_arm.cc
@@ -315,7 +315,7 @@
           S2d(rl_result.low_reg, rl_result.high_reg));
   NewLIR0(kThumb2Fmstat);
   branch = NewLIR2(kThumbBCond, 0, kArmCondEq);
-  ClobberCalleeSave();
+  ClobberCallerSave();
   LockCallTemps();  // Using fixed registers
   int r_tgt = LoadHelper(QUICK_ENTRYPOINT_OFFSET(pSqrt));
   NewLIR3(kThumb2Fmrrd, r0, r1, S2d(rl_src.low_reg, rl_src.high_reg));