[cleanup] Remove some dead MacroAssembler enums.

R=sigurds@chromium.org

Change-Id: I2f8210a386fa39030c7ffe4c7d0f25bd845c612a
Reviewed-on: https://chromium-review.googlesource.com/1166908
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54964}

src/arm/macro-assembler-arm.h

@@ -51,15 +51,6 @@ inline MemOperand FieldMemOperand(Register object, int offset) {
 constexpr Register cp = r7;              // JavaScript context pointer.
 constexpr Register kRootRegister = r10;  // Roots array pointer.
 
-// Flags used for AllocateHeapNumber
-enum TaggingMode {
-  // Tag the result.
-  TAG_RESULT,
-  // Don't tag
-  DONT_TAG_RESULT
-};
-
-
 enum RememberedSetAction { EMIT_REMEMBERED_SET, OMIT_REMEMBERED_SET };
 enum SmiCheck { INLINE_SMI_CHECK, OMIT_SMI_CHECK };
 enum LinkRegisterStatus { kLRHasNotBeenSaved, kLRHasBeenSaved };

src/ia32/macro-assembler-ia32.h

@@ -45,8 +45,6 @@ typedef Operand MemOperand;
 enum RememberedSetAction { EMIT_REMEMBERED_SET, OMIT_REMEMBERED_SET };
 enum SmiCheck { INLINE_SMI_CHECK, OMIT_SMI_CHECK };
 
-enum RegisterValueType { REGISTER_VALUE_IS_SMI, REGISTER_VALUE_IS_INT32 };
-
 #ifdef DEBUG
 bool AreAliased(Register reg1, Register reg2, Register reg3 = no_reg,
                 Register reg4 = no_reg, Register reg5 = no_reg,

src/mips/macro-assembler-mips.h

@@ -39,7 +39,6 @@ constexpr Register kWasmInstanceRegister = a0;
 
 // Forward declarations
 enum class AbortReason;
-class JumpTarget;
 
 // Reserved Register Usage Summary.
 //
@@ -60,14 +59,6 @@ enum LeaveExitFrameMode {
   NO_EMIT_RETURN = false
 };
 
-// Flags used for AllocateHeapNumber
-enum TaggingMode {
-  // Tag the result.
-  TAG_RESULT,
-  // Don't tag
-  DONT_TAG_RESULT
-};
-
 // Allow programmer to use Branch Delay Slot of Branches, Jumps, Calls.
 enum BranchDelaySlot {
   USE_DELAY_SLOT,

src/mips64/macro-assembler-mips64.h

@@ -39,7 +39,6 @@ constexpr Register kWasmInstanceRegister = a0;
 
 // Forward declarations.
 enum class AbortReason;
-class JumpTarget;
 
 // Reserved Register Usage Summary.
 //
@@ -60,14 +59,6 @@ enum LeaveExitFrameMode {
   NO_EMIT_RETURN = false
 };
 
-// Flags used for AllocateHeapNumber
-enum TaggingMode {
-  // Tag the result.
-  TAG_RESULT,
-  // Don't tag
-  DONT_TAG_RESULT
-};
-
 // Allow programmer to use Branch Delay Slot of Branches, Jumps, Calls.
 enum BranchDelaySlot {
   USE_DELAY_SLOT,

src/ppc/macro-assembler-ppc.h

@@ -47,16 +47,6 @@ inline MemOperand FieldMemOperand(Register object, int offset) {
   return MemOperand(object, offset - kHeapObjectTag);
 }
 
-
-// Flags used for AllocateHeapNumber
-enum TaggingMode {
-  // Tag the result.
-  TAG_RESULT,
-  // Don't tag
-  DONT_TAG_RESULT
-};
-
-
 enum RememberedSetAction { EMIT_REMEMBERED_SET, OMIT_REMEMBERED_SET };
 enum SmiCheck { INLINE_SMI_CHECK, OMIT_SMI_CHECK };
 enum LinkRegisterStatus { kLRHasNotBeenSaved, kLRHasBeenSaved };

src/s390/macro-assembler-s390.h

@@ -56,14 +56,6 @@ inline MemOperand RootMemOperand(Heap::RootListIndex index) {
   return MemOperand(kRootRegister, index << kPointerSizeLog2);
 }
 
-// Flags used for AllocateHeapNumber
-enum TaggingMode {
-  // Tag the result.
-  TAG_RESULT,
-  // Don't tag
-  DONT_TAG_RESULT
-};
-
 enum RememberedSetAction { EMIT_REMEMBERED_SET, OMIT_REMEMBERED_SET };
 enum SmiCheck { INLINE_SMI_CHECK, OMIT_SMI_CHECK };
 enum LinkRegisterStatus { kLRHasNotBeenSaved, kLRHasBeenSaved };

src/x64/macro-assembler-x64.h

@@ -63,9 +63,6 @@ bool AreAliased(Register reg1,
                 Register reg8 = no_reg);
 #endif
 
-// Forward declaration.
-class JumpTarget;
-
 struct SmiIndex {
   SmiIndex(Register index_register, ScaleFactor scale)
       : reg(index_register),