[ia32] Byte and word memory operands in ia32 cmp/test.

src/compiler/ia32/code-generator-ia32.cc

 // Copyright 2013 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/ast/scopes.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 312 matching lines @@
     Label done;                                              \
     __ j(above_equal, &done, Label::kNear);                  \
     if (instr->InputAt(2)->IsRegister()) {                   \
       __ asm_instr(i.MemoryOperand(3), i.InputRegister(2));  \
     } else {                                                 \
       __ asm_instr(i.MemoryOperand(3), i.InputImmediate(2)); \
     }                                                        \
     __ bind(&done);                                          \
   } while (false)
 
+#define ASSEMBLE_COMPARE(asm_instr)                                   \
+  do {                                                                \
+    if (AddressingModeField::decode(instr->opcode()) != kMode_None) { \
+      size_t index = 0;                                               \
+      Operand left = i.MemoryOperand(&index);                         \
+      if (HasImmediateInput(instr, index)) {                          \
+        __ asm_instr(left, i.InputImmediate(index));                  \
+      } else {                                                        \
+        __ asm_instr(left, i.InputRegister(index));                   \
+      }                                                               \
+    } else {                                                          \
+      if (HasImmediateInput(instr, 1)) {                              \
+        if (instr->InputAt(0)->IsRegister()) {                        \
+          __ asm_instr(i.InputRegister(0), i.InputImmediate(1));      \
+        } else {                                                      \
+          __ asm_instr(i.InputOperand(0), i.InputImmediate(1));       \
+        }                                                             \
+      } else {                                                        \
+        if (instr->InputAt(1)->IsRegister()) {                        \
+          __ asm_instr(i.InputRegister(0), i.InputRegister(1));       \
+        } else {                                                      \
+          __ asm_instr(i.InputRegister(0), i.InputOperand(1));        \
+        }                                                             \
+      }                                                               \
+    }                                                                 \
+  } while (0)
+
 void CodeGenerator::AssembleDeconstructFrame() {
   __ mov(esp, ebp);
   __ pop(ebp);
 }
 
 void CodeGenerator::AssembleSetupStackPointer() {}
 
 void CodeGenerator::AssembleDeconstructActivationRecord(int stack_param_delta) {
   int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta);
   if (sp_slot_delta > 0) {
@@ skipping 231 matching lines @@
       }
       break;
     case kIA32And:
       if (HasImmediateInput(instr, 1)) {
         __ and_(i.InputOperand(0), i.InputImmediate(1));
       } else {
         __ and_(i.InputRegister(0), i.InputOperand(1));
       }
       break;
     case kIA32Cmp:
-      if (AddressingModeField::decode(instr->opcode()) != kMode_None) {
-        size_t index = 0;
-        Operand operand = i.MemoryOperand(&index);
-        if (HasImmediateInput(instr, index)) {
-          __ cmp(operand, i.InputImmediate(index));
-        } else {
-          __ cmp(operand, i.InputRegister(index));
-        }
-      } else {
-        if (HasImmediateInput(instr, 1)) {
-          __ cmp(i.InputOperand(0), i.InputImmediate(1));
-        } else {
-          __ cmp(i.InputRegister(0), i.InputOperand(1));
-        }
-      }
+      ASSEMBLE_COMPARE(cmp);
+      break;
+    case kIA32Cmp16:
+      ASSEMBLE_COMPARE(cmpw);
+      break;
+    case kIA32Cmp8:
+      ASSEMBLE_COMPARE(cmpb);
       break;
     case kIA32Test:
-      if (AddressingModeField::decode(instr->opcode()) != kMode_None) {
-        size_t index = 0;
-        Operand operand = i.MemoryOperand(&index);
-        if (HasImmediateInput(instr, index)) {
-          __ test(operand, i.InputImmediate(index));
-        } else {
-          __ test(i.InputRegister(index), operand);
-        }
-      } else {
-        if (HasImmediateInput(instr, 1)) {
-          __ test(i.InputOperand(0), i.InputImmediate(1));
-        } else {
-          __ test(i.InputRegister(0), i.InputOperand(1));
-        }
-      }
+      ASSEMBLE_COMPARE(test);
+      break;
+    case kIA32Test16:
+      ASSEMBLE_COMPARE(test_w);
+      break;
+    case kIA32Test8:
+      ASSEMBLE_COMPARE(test_b);
       break;
     case kIA32Imul:
       if (HasImmediateInput(instr, 1)) {
         __ imul(i.OutputRegister(), i.InputOperand(0), i.InputInt32(1));
       } else {
         __ imul(i.OutputRegister(), i.InputOperand(1));
       }
       break;
     case kIA32ImulHigh:
       __ imul(i.InputRegister(1));
@@ skipping 1260 matching lines @@
     int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
     __ Nop(padding_size);
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8