Convert a bunch of ASSERTs to STATIC_ASSERTs

src/x64/macro-assembler-x64.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 905 matching lines @@
       movq(dst, reinterpret_cast<uint64_t>(source), RelocInfo::NONE);
       return;
   }
   if (negative) {
     neg(dst);
   }
 }
 
 
 void MacroAssembler::Integer32ToSmi(Register dst, Register src) {
-  ASSERT_EQ(0, kSmiTag);
+  STATIC_ASSERT(kSmiTag == 0);
   if (!dst.is(src)) {
     movl(dst, src);
   }
   shl(dst, Immediate(kSmiShift));
 }
 
 
 void MacroAssembler::Integer32ToSmiField(const Operand& dst, Register src) {
   if (emit_debug_code()) {
     testb(dst, Immediate(0x01));
@@ skipping 17 matching lines @@
   if (dst.is(src)) {
     addl(dst, Immediate(constant));
   } else {
     leal(dst, Operand(src, constant));
   }
   shl(dst, Immediate(kSmiShift));
 }
 
 
 void MacroAssembler::SmiToInteger32(Register dst, Register src) {
-  ASSERT_EQ(0, kSmiTag);
+  STATIC_ASSERT(kSmiTag == 0);
   if (!dst.is(src)) {
     movq(dst, src);
   }
   shr(dst, Immediate(kSmiShift));
 }
 
 
 void MacroAssembler::SmiToInteger32(Register dst, const Operand& src) {
   movl(dst, Operand(src, kSmiShift / kBitsPerByte));
 }
 
 
 void MacroAssembler::SmiToInteger64(Register dst, Register src) {
-  ASSERT_EQ(0, kSmiTag);
+  STATIC_ASSERT(kSmiTag == 0);
   if (!dst.is(src)) {
     movq(dst, src);
   }
   sar(dst, Immediate(kSmiShift));
 }
 
 
 void MacroAssembler::SmiToInteger64(Register dst, const Operand& src) {
   movsxlq(dst, Operand(src, kSmiShift / kBitsPerByte));
 }
@@ skipping 115 matching lines @@
     movq(dst, kScratchRegister);
   } else {
     movq(dst, src1);
     or_(dst, src2);
     JumpIfNotSmi(dst, on_not_smis, near_jump);
   }
 }
 
 
 Condition MacroAssembler::CheckSmi(Register src) {
-  ASSERT_EQ(0, kSmiTag);
+  STATIC_ASSERT(kSmiTag == 0);
   testb(src, Immediate(kSmiTagMask));
   return zero;
 }
 
 
 Condition MacroAssembler::CheckSmi(const Operand& src) {
-  ASSERT_EQ(0, kSmiTag);
+  STATIC_ASSERT(kSmiTag == 0);
   testb(src, Immediate(kSmiTagMask));
   return zero;
 }
 
 
 Condition MacroAssembler::CheckNonNegativeSmi(Register src) {
-  ASSERT_EQ(0, kSmiTag);
+  STATIC_ASSERT(kSmiTag == 0);
   // Test that both bits of the mask 0x8000000000000001 are zero.
   movq(kScratchRegister, src);
   rol(kScratchRegister, Immediate(1));
   testb(kScratchRegister, Immediate(3));
   return zero;
 }
 
 
 Condition MacroAssembler::CheckBothSmi(Register first, Register second) {
   if (first.is(second)) {
     return CheckSmi(first);
   }
-  ASSERT(kSmiTag == 0 && kHeapObjectTag == 1 && kHeapObjectTagMask == 3);
+  STATIC_ASSERT(kSmiTag == 0 && kHeapObjectTag == 1 && kHeapObjectTagMask == 3);
   leal(kScratchRegister, Operand(first, second, times_1, 0));
   testb(kScratchRegister, Immediate(0x03));
   return zero;
 }
 
 
 Condition MacroAssembler::CheckBothNonNegativeSmi(Register first,
                                                   Register second) {
   if (first.is(second)) {
     return CheckNonNegativeSmi(first);
@@ skipping 135 matching lines @@
 }
 
 
 void MacroAssembler::SmiTryAddConstant(Register dst,
                                        Register src,
                                        Smi* constant,
                                        Label* on_not_smi_result,
                                        Label::Distance near_jump) {
   // Does not assume that src is a smi.
   ASSERT_EQ(static_cast<int>(1), static_cast<int>(kSmiTagMask));
-  ASSERT_EQ(0, kSmiTag);
+  STATIC_ASSERT(kSmiTag == 0);
   ASSERT(!dst.is(kScratchRegister));
   ASSERT(!src.is(kScratchRegister));
 
   JumpIfNotSmi(src, on_not_smi_result, near_jump);
   Register tmp = (dst.is(src) ? kScratchRegister : dst);
   LoadSmiConstant(tmp, constant);
   addq(tmp, src);
   j(overflow, on_not_smi_result, near_jump);
   if (dst.is(src)) {
     movq(dst, tmp);
@@ skipping 683 matching lines @@
   ASSERT(!src2.is(kScratchRegister));
   ASSERT(!dst.is(src1));
   ASSERT(!dst.is(src2));
   // Both operands must not be smis.
 #ifdef DEBUG
   if (allow_stub_calls()) {  // Check contains a stub call.
     Condition not_both_smis = NegateCondition(CheckBothSmi(src1, src2));
     Check(not_both_smis, "Both registers were smis in SelectNonSmi.");
   }
 #endif
-  ASSERT_EQ(0, kSmiTag);
+  STATIC_ASSERT(kSmiTag == 0);
   ASSERT_EQ(0, Smi::FromInt(0));
   movl(kScratchRegister, Immediate(kSmiTagMask));
   and_(kScratchRegister, src1);
   testl(kScratchRegister, src2);
   // If non-zero then both are smis.
   j(not_zero, on_not_smis, near_jump);
 
   // Exactly one operand is a smi.
   ASSERT_EQ(1, static_cast<int>(kSmiTagMask));
   // kScratchRegister still holds src1 & kSmiTag, which is either zero or one.
@@ skipping 680 matching lines @@
   Check(equal, message);
 }
 
 
 
 Condition MacroAssembler::IsObjectStringType(Register heap_object,
                                              Register map,
                                              Register instance_type) {
   movq(map, FieldOperand(heap_object, HeapObject::kMapOffset));
   movzxbl(instance_type, FieldOperand(map, Map::kInstanceTypeOffset));
-  ASSERT(kNotStringTag != 0);
+  STATIC_ASSERT(kNotStringTag != 0);
   testb(instance_type, Immediate(kIsNotStringMask));
   return zero;
 }
 
 
 void MacroAssembler::TryGetFunctionPrototype(Register function,
                                              Register result,
                                              Label* miss) {
   // Check that the receiver isn't a smi.
   testl(function, Immediate(kSmiTagMask));
@@ skipping 1139 matching lines @@
   CPU::FlushICache(address_, size_);
 
   // 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_X64