Upstream version 7.35.139.0

[platform/framework/web/crosswalk.git] / src / v8 / src / x64 / macro-assembler-x64.cc

diff --git a/src/v8/src/x64/macro-assembler-x64.cc b/src/v8/src/x64/macro-assembler-x64.cc
index 19cb3a8..181cf20 100644 (file)
--- a/src/v8/src/x64/macro-assembler-x64.cc
+++ b/src/v8/src/x64/macro-assembler-x64.cc
@@ -3265,6 +3265,8 @@ void MacroAssembler::TruncateHeapNumberToI(Register result_reg,
   }
 
   bind(&done);
+  // Keep our invariant that the upper 32 bits are zero.
+  movl(result_reg, result_reg);
 }
 
 
@@ -3281,6 +3283,8 @@ void MacroAssembler::TruncateDoubleToI(Register result_reg,
   addp(rsp, Immediate(kDoubleSize));
 
   bind(&done);
+  // Keep our invariant that the upper 32 bits are zero.
+  movl(result_reg, result_reg);
 }