Convert a bunch of ASSERTs to STATIC_ASSERTs

src/ia32/macro-assembler-ia32.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 130 matching lines @@
 
 void MacroAssembler::RecordWrite(Register object,
                                  int offset,
                                  Register value,
                                  Register scratch) {
   // First, check if a write barrier is even needed. The tests below
   // catch stores of Smis and stores into young gen.
   Label done;
 
   // Skip barrier if writing a smi.
-  ASSERT_EQ(0, kSmiTag);
+  STATIC_ASSERT(kSmiTag == 0);
   JumpIfSmi(value, &done, Label::kNear);
 
   InNewSpace(object, value, equal, &done, Label::kNear);
 
   // The offset is relative to a tagged or untagged HeapObject pointer,
   // so either offset or offset + kHeapObjectTag must be a
   // multiple of kPointerSize.
   ASSERT(IsAligned(offset, kPointerSize) ||
          IsAligned(offset + kHeapObjectTag, kPointerSize));
 
   Register dst = scratch;
   if (offset != 0) {
     lea(dst, Operand(object, offset));
   } else {
     // Array access: calculate the destination address in the same manner as
     // KeyedStoreIC::GenerateGeneric.  Multiply a smi by 2 to get an offset
     // into an array of words.
-    ASSERT_EQ(1, kSmiTagSize);
-    ASSERT_EQ(0, kSmiTag);
+    STATIC_ASSERT(kSmiTagSize == 1);
+    STATIC_ASSERT(kSmiTag == 0);
     lea(dst, Operand(object, dst, times_half_pointer_size,
                      FixedArray::kHeaderSize - kHeapObjectTag));
   }
   RecordWriteHelper(object, dst, value);
 
   bind(&done);
 
   // Clobber all input registers when running with the debug-code flag
   // turned on to provoke errors.
   if (emit_debug_code()) {
     mov(object, Immediate(BitCast<int32_t>(kZapValue)));
     mov(value, Immediate(BitCast<int32_t>(kZapValue)));
     mov(scratch, Immediate(BitCast<int32_t>(kZapValue)));
   }
 }
 
 
 void MacroAssembler::RecordWrite(Register object,
                                  Register address,
                                  Register value) {
   // First, check if a write barrier is even needed. The tests below
   // catch stores of Smis and stores into young gen.
   Label done;
 
   // Skip barrier if writing a smi.
-  ASSERT_EQ(0, kSmiTag);
+  STATIC_ASSERT(kSmiTag == 0);
   JumpIfSmi(value, &done, Label::kNear);
 
   InNewSpace(object, value, equal, &done);
 
   RecordWriteHelper(object, address, value);
 
   bind(&done);
 
   // Clobber all input registers when running with the debug-code flag
   // turned on to provoke errors.
@@ skipping 112 matching lines @@
 
   bind(&fail);
 }
 
 
 Condition MacroAssembler::IsObjectStringType(Register heap_object,
                                              Register map,
                                              Register instance_type) {
   mov(map, FieldOperand(heap_object, HeapObject::kMapOffset));
   movzx_b(instance_type, FieldOperand(map, Map::kInstanceTypeOffset));
-  ASSERT(kNotStringTag != 0);
+  STATIC_ASSERT(kNotStringTag != 0);
   test(instance_type, Immediate(kIsNotStringMask));
   return zero;
 }
 
 
 void MacroAssembler::IsObjectJSObjectType(Register heap_object,
                                           Register map,
                                           Register scratch,
                                           Label* fail) {
   mov(map, FieldOperand(heap_object, HeapObject::kMapOffset));
@@ skipping 1819 matching lines @@
   j(not_equal, failure);
 }
 
 
 void MacroAssembler::JumpIfNotBothSequentialAsciiStrings(Register object1,
                                                          Register object2,
                                                          Register scratch1,
                                                          Register scratch2,
                                                          Label* failure) {
   // Check that both objects are not smis.
-  ASSERT_EQ(0, kSmiTag);
+  STATIC_ASSERT(kSmiTag == 0);
   mov(scratch1, Operand(object1));
   and_(scratch1, Operand(object2));
   JumpIfSmi(scratch1, failure);
 
   // Load instance type for both strings.
   mov(scratch1, FieldOperand(object1, HeapObject::kMapOffset));
   mov(scratch2, FieldOperand(object2, HeapObject::kMapOffset));
   movzx_b(scratch1, FieldOperand(scratch1, Map::kInstanceTypeOffset));
   movzx_b(scratch2, FieldOperand(scratch2, Map::kInstanceTypeOffset));
 
@@ skipping 68 matching lines @@
 
   // Check that the code was patched as expected.
   ASSERT(masm_.pc_ == address_ + size_);
   ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32