MIPS: Remove unused LoadNumber* from macro assembler.

Port r17748 (595bed6)

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/70233011

Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17760 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/mips/macro-assembler-mips.cc

@@ -4512,116 +4512,6 @@ void MacroAssembler::LoadGlobalFunctionInitialMap(Register function,
 }
 
 
-void MacroAssembler::LoadNumber(Register object,
-                                FPURegister dst,
-                                Register heap_number_map,
-                                Register scratch,
-                                Label* not_number) {
-  Label is_smi, done;
-
-  UntagAndJumpIfSmi(scratch, object, &is_smi);
-  JumpIfNotHeapNumber(object, heap_number_map, scratch, not_number);
-
-  ldc1(dst, FieldMemOperand(object, HeapNumber::kValueOffset));
-  Branch(&done);
-
-  bind(&is_smi);
-  mtc1(scratch, dst);
-  cvt_d_w(dst, dst);
-
-  bind(&done);
-}
-
-
-void MacroAssembler::LoadNumberAsInt32Double(Register object,
-                                             DoubleRegister double_dst,
-                                             Register heap_number_map,
-                                             Register scratch1,
-                                             Register scratch2,
-                                             FPURegister double_scratch,
-                                             Label* not_int32) {
-  ASSERT(!scratch1.is(object) && !scratch2.is(object));
-  ASSERT(!scratch1.is(scratch2));
-  ASSERT(!heap_number_map.is(object) &&
-         !heap_number_map.is(scratch1) &&
-         !heap_number_map.is(scratch2));
-
-  Label done, obj_is_not_smi;
-
-  UntagAndJumpIfNotSmi(scratch1, object, &obj_is_not_smi);
-  mtc1(scratch1, double_scratch);
-  cvt_d_w(double_dst, double_scratch);
-  Branch(&done);
-
-  bind(&obj_is_not_smi);
-  JumpIfNotHeapNumber(object, heap_number_map, scratch1, not_int32);
-
-  // Load the number.
-  // Load the double value.
-  ldc1(double_dst, FieldMemOperand(object, HeapNumber::kValueOffset));
-
-  Register except_flag = scratch2;
-  EmitFPUTruncate(kRoundToZero,
-                  scratch1,
-                  double_dst,
-                  at,
-                  double_scratch,
-                  except_flag,
-                  kCheckForInexactConversion);
-
-  // Jump to not_int32 if the operation did not succeed.
-  Branch(not_int32, ne, except_flag, Operand(zero_reg));
-  bind(&done);
-}
-
-
-void MacroAssembler::LoadNumberAsInt32(Register object,
-                                       Register dst,
-                                       Register heap_number_map,
-                                       Register scratch1,
-                                       Register scratch2,
-                                       FPURegister double_scratch0,
-                                       FPURegister double_scratch1,
-                                       Label* not_int32) {
-  ASSERT(!dst.is(object));
-  ASSERT(!scratch1.is(object) && !scratch2.is(object));
-  ASSERT(!scratch1.is(scratch2));
-
-  Label done, maybe_undefined;
-
-  UntagAndJumpIfSmi(dst, object, &done);
-
-  JumpIfNotHeapNumber(object, heap_number_map, scratch1, &maybe_undefined);
-
-  // Object is a heap number.
-  // Convert the floating point value to a 32-bit integer.
-  // Load the double value.
-  ldc1(double_scratch0, FieldMemOperand(object, HeapNumber::kValueOffset));
-
-  Register except_flag = scratch2;
-  EmitFPUTruncate(kRoundToZero,
-                  dst,
-                  double_scratch0,
-                  scratch1,
-                  double_scratch1,
-                  except_flag,
-                  kCheckForInexactConversion);
-
-  // Jump to not_int32 if the operation did not succeed.
-  Branch(not_int32, ne, except_flag, Operand(zero_reg));
-  Branch(&done);
-
-  bind(&maybe_undefined);
-  LoadRoot(at, Heap::kUndefinedValueRootIndex);
-  Branch(not_int32, ne, object, Operand(at));
-  // |undefined| is truncated to 0.
-  li(dst, Operand(Smi::FromInt(0)));
-  // Fall through.
-
-  bind(&done);
-}
-
-
 void MacroAssembler::Prologue(PrologueFrameMode frame_mode) {
   if (frame_mode == BUILD_STUB_FRAME) {
     Push(ra, fp, cp);