MIPS64: Enable shorten-64-to-32 warning.

src/compiler/mips64/code-generator-mips64.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/code-generator.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
 #include "src/mips/macro-assembler-mips.h"
 #include "src/scopes.h"
@@ skipping 292 matching lines @@
 #define ASSEMBLE_CHECKED_LOAD_FLOAT(width, asm_instr)                         \
   do {                                                                        \
     auto result = i.Output##width##Register();                                \
     auto ool = new (zone()) OutOfLineLoad##width(this, result);               \
     if (instr->InputAt(0)->IsRegister()) {                                    \
       auto offset = i.InputRegister(0);                                       \
       __ Branch(USE_DELAY_SLOT, ool->entry(), hs, offset, i.InputOperand(1)); \
       __ Daddu(at, i.InputRegister(2), offset);                               \
       __ asm_instr(result, MemOperand(at, 0));                                \
     } else {                                                                  \
-      auto offset = i.InputOperand(0).immediate();                            \
+      int offset = static_cast<int>(i.InputOperand(0).immediate());           \
       __ Branch(ool->entry(), ls, i.InputRegister(1), Operand(offset));       \
       __ asm_instr(result, MemOperand(i.InputRegister(2), offset));           \
     }                                                                         \
     __ bind(ool->exit());                                                     \
   } while (0)
 
 
 #define ASSEMBLE_CHECKED_LOAD_INTEGER(asm_instr)                              \
   do {                                                                        \
     auto result = i.OutputRegister();                                         \
     auto ool = new (zone()) OutOfLineLoadInteger(this, result);               \
     if (instr->InputAt(0)->IsRegister()) {                                    \
       auto offset = i.InputRegister(0);                                       \
       __ Branch(USE_DELAY_SLOT, ool->entry(), hs, offset, i.InputOperand(1)); \
       __ Daddu(at, i.InputRegister(2), offset);                               \
       __ asm_instr(result, MemOperand(at, 0));                                \
     } else {                                                                  \
-      auto offset = i.InputOperand(0).immediate();                            \
+      int offset = static_cast<int>(i.InputOperand(0).immediate());           \
       __ Branch(ool->entry(), ls, i.InputRegister(1), Operand(offset));       \
       __ asm_instr(result, MemOperand(i.InputRegister(2), offset));           \
     }                                                                         \
     __ bind(ool->exit());                                                     \
   } while (0)
 
 
 #define ASSEMBLE_CHECKED_STORE_FLOAT(width, asm_instr)                 \
   do {                                                                 \
     Label done;                                                        \
     if (instr->InputAt(0)->IsRegister()) {                             \
       auto offset = i.InputRegister(0);                                \
       auto value = i.Input##width##Register(2);                        \
       __ Branch(USE_DELAY_SLOT, &done, hs, offset, i.InputOperand(1)); \
       __ Daddu(at, i.InputRegister(3), offset);                        \
       __ asm_instr(value, MemOperand(at, 0));                          \
     } else {                                                           \
-      auto offset = i.InputOperand(0).immediate();                     \
+      int offset = static_cast<int>(i.InputOperand(0).immediate());    \
       auto value = i.Input##width##Register(2);                        \
       __ Branch(&done, ls, i.InputRegister(1), Operand(offset));       \
       __ asm_instr(value, MemOperand(i.InputRegister(3), offset));     \
     }                                                                  \
     __ bind(&done);                                                    \
   } while (0)
 
 
 #define ASSEMBLE_CHECKED_STORE_INTEGER(asm_instr)                      \
   do {                                                                 \
     Label done;                                                        \
     if (instr->InputAt(0)->IsRegister()) {                             \
       auto offset = i.InputRegister(0);                                \
       auto value = i.InputRegister(2);                                 \
       __ Branch(USE_DELAY_SLOT, &done, hs, offset, i.InputOperand(1)); \
       __ Daddu(at, i.InputRegister(3), offset);                        \
       __ asm_instr(value, MemOperand(at, 0));                          \
     } else {                                                           \
-      auto offset = i.InputOperand(0).immediate();                     \
+      int offset = static_cast<int>(i.InputOperand(0).immediate());    \
       auto value = i.InputRegister(2);                                 \
       __ Branch(&done, ls, i.InputRegister(1), Operand(offset));       \
       __ asm_instr(value, MemOperand(i.InputRegister(3), offset));     \
     }                                                                  \
     __ bind(&done);                                                    \
   } while (0)
 
 
 #define ASSEMBLE_ROUND_DOUBLE_TO_DOUBLE(asm_instr, operation)                  \
   do {                                                                         \
@@ skipping 173 matching lines @@
     case kMips64Xor:
       __ Xor(i.OutputRegister(), i.InputRegister(0), i.InputOperand(1));
       break;
     case kMips64Clz:
       __ Clz(i.OutputRegister(), i.InputRegister(0));
       break;
     case kMips64Shl:
       if (instr->InputAt(1)->IsRegister()) {
         __ sllv(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1));
       } else {
-        int32_t imm = i.InputOperand(1).immediate();
-        __ sll(i.OutputRegister(), i.InputRegister(0), imm);
+        int64_t imm = i.InputOperand(1).immediate();
+        __ sll(i.OutputRegister(), i.InputRegister(0),
+               static_cast<uint16_t>(imm));
       }
       break;
     case kMips64Shr:
       if (instr->InputAt(1)->IsRegister()) {
         __ srlv(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1));
       } else {
-        int32_t imm = i.InputOperand(1).immediate();
-        __ srl(i.OutputRegister(), i.InputRegister(0), imm);
+        int64_t imm = i.InputOperand(1).immediate();
+        __ srl(i.OutputRegister(), i.InputRegister(0),
+               static_cast<uint16_t>(imm));
       }
       break;
     case kMips64Sar:
       if (instr->InputAt(1)->IsRegister()) {
         __ srav(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1));
       } else {
-        int32_t imm = i.InputOperand(1).immediate();
-        __ sra(i.OutputRegister(), i.InputRegister(0), imm);
+        int64_t imm = i.InputOperand(1).immediate();
+        __ sra(i.OutputRegister(), i.InputRegister(0),
+               static_cast<uint16_t>(imm));
       }
       break;
     case kMips64Ext:
       __ Ext(i.OutputRegister(), i.InputRegister(0), i.InputInt8(1),
              i.InputInt8(2));
       break;
     case kMips64Dext:
       __ Dext(i.OutputRegister(), i.InputRegister(0), i.InputInt8(1),
               i.InputInt8(2));
       break;
     case kMips64Dshl:
       if (instr->InputAt(1)->IsRegister()) {
         __ dsllv(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1));
       } else {
-        int32_t imm = i.InputOperand(1).immediate();
+        int64_t imm = i.InputOperand(1).immediate();
         if (imm < 32) {
-          __ dsll(i.OutputRegister(), i.InputRegister(0), imm);
+          __ dsll(i.OutputRegister(), i.InputRegister(0),
+                  static_cast<uint16_t>(imm));
         } else {
-          __ dsll32(i.OutputRegister(), i.InputRegister(0), imm - 32);
+          __ dsll32(i.OutputRegister(), i.InputRegister(0),
+                    static_cast<uint16_t>(imm - 32));
         }
       }
       break;
     case kMips64Dshr:
       if (instr->InputAt(1)->IsRegister()) {
         __ dsrlv(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1));
       } else {
-        int32_t imm = i.InputOperand(1).immediate();
+        int64_t imm = i.InputOperand(1).immediate();
         if (imm < 32) {
-          __ dsrl(i.OutputRegister(), i.InputRegister(0), imm);
+          __ dsrl(i.OutputRegister(), i.InputRegister(0),
+                  static_cast<uint16_t>(imm));
         } else {
-          __ dsrl32(i.OutputRegister(), i.InputRegister(0), imm - 32);
+          __ dsrl32(i.OutputRegister(), i.InputRegister(0),
+                    static_cast<uint16_t>(imm - 32));
         }
       }
       break;
     case kMips64Dsar:
       if (instr->InputAt(1)->IsRegister()) {
         __ dsrav(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1));
       } else {
-        int32_t imm = i.InputOperand(1).immediate();
+        int64_t imm = i.InputOperand(1).immediate();
         if (imm < 32) {
           __ dsra(i.OutputRegister(), i.InputRegister(0), imm);
         } else {
           __ dsra32(i.OutputRegister(), i.InputRegister(0), imm - 32);
         }
       }
       break;
     case kMips64Ror:
       __ Ror(i.OutputRegister(), i.InputRegister(0), i.InputOperand(1));
       break;
@@ skipping 460 matching lines @@
 }
 
 
 void CodeGenerator::AssembleArchTableSwitch(Instruction* instr) {
   MipsOperandConverter i(this, instr);
   Register input = i.InputRegister(0);
   size_t const case_count = instr->InputCount() - 2;
   Label here;
 
   __ Branch(GetLabel(i.InputRpo(1)), hs, input, Operand(case_count));
-  __ BlockTrampolinePoolFor(case_count * 2 + 7);
+  __ BlockTrampolinePoolFor(static_cast<int>(case_count) * 2 + 7);
   // Ensure that dd-ed labels use 8 byte aligned addresses.
   if ((masm()->pc_offset() & 7) != 0) {
     __ nop();
   }
   __ bal(&here);
   __ dsll(at, input, 3);  // Branch delay slot.
   __ bind(&here);
   __ daddu(at, at, ra);
   __ ld(at, MemOperand(at, 4 * v8::internal::Assembler::kInstrSize));
   __ jr(at);
@@ skipping 298 matching lines @@
     }
   }
   MarkLazyDeoptSite();
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8