X87: enable the crankshaft compiler for X87 port.

src/x87/codegen-x87.cc

Index: src/x87/codegen-x87.cc
diff --git a/src/x87/codegen-x87.cc b/src/x87/codegen-x87.cc
index 56d273cf0abcd18dec3bc9a1733b735397c24f4c..5b8af18cc6f517fc27ee697a4e720139a224d00d 100644
--- a/src/x87/codegen-x87.cc
+++ b/src/x87/codegen-x87.cc
@@ -221,6 +221,7 @@ void ElementsTransitionGenerator::GenerateMapChangeElementsTransition(
                       HeapObject::kMapOffset,
                       target_map,
                       scratch,
+                      kDontSaveFPRegs,
                       EMIT_REMEMBERED_SET,
                       OMIT_SMI_CHECK);
 }
@@ -279,6 +280,7 @@ void ElementsTransitionGenerator::GenerateSmiToDouble(
                       JSObject::kElementsOffset,
                       ebx,
                       edi,
+                      kDontSaveFPRegs,
                       EMIT_REMEMBERED_SET,
                       OMIT_SMI_CHECK);
 
@@ -343,6 +345,7 @@ void ElementsTransitionGenerator::GenerateSmiToDouble(
                       HeapObject::kMapOffset,
                       ebx,
                       edi,
+                      kDontSaveFPRegs,
                       OMIT_REMEMBERED_SET,
                       OMIT_SMI_CHECK);
 }
@@ -403,6 +406,7 @@ void ElementsTransitionGenerator::GenerateDoubleToObject(
                       HeapObject::kMapOffset,
                       ebx,
                       edi,
+                      kDontSaveFPRegs,
                       OMIT_REMEMBERED_SET,
                       OMIT_SMI_CHECK);
   __ jmp(&success);
@@ -436,6 +440,7 @@ void ElementsTransitionGenerator::GenerateDoubleToObject(
   __ RecordWriteArray(eax,
                       edx,
                       esi,
+                      kDontSaveFPRegs,
                       EMIT_REMEMBERED_SET,
                       OMIT_SMI_CHECK);
   __ jmp(&entry, Label::kNear);
@@ -459,6 +464,7 @@ void ElementsTransitionGenerator::GenerateDoubleToObject(
                       HeapObject::kMapOffset,
                       ebx,
                       edi,
+                      kDontSaveFPRegs,
                       OMIT_REMEMBERED_SET,
                       OMIT_SMI_CHECK);
   // Replace receiver's backing store with newly created and filled FixedArray.
@@ -467,6 +473,7 @@ void ElementsTransitionGenerator::GenerateDoubleToObject(
                       JSObject::kElementsOffset,
                       eax,
                       edi,
+                      kDontSaveFPRegs,
                       EMIT_REMEMBERED_SET,
                       OMIT_SMI_CHECK);