From 794a10cbd8221cc2bece346777d0452de0b1d625 Mon Sep 17 00:00:00 2001
From: "palfia@homejinni.com"
 <palfia@homejinni.com@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Thu, 30 May 2013 22:30:00 +0000
Subject: [PATCH] MIPS: Replace DeoptimizeOnUndefined with whitelisting
 AllowUndefinedAsNan

Port r14894 (0ca991f0)

BUG=

Review URL: https://codereview.chromium.org/15713017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14895 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---
 src/mips/lithium-codegen-mips.cc | 6 +++---
 src/mips/lithium-codegen-mips.h  | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index 5f98ee4..25ba162 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -4685,7 +4685,7 @@ void LCodeGen::DoSmiUntag(LSmiUntag* instr) {
 
 void LCodeGen::EmitNumberUntagD(Register input_reg,
                                 DoubleRegister result_reg,
-                                bool deoptimize_on_undefined,
+                                bool allow_undefined_as_nan,
                                 bool deoptimize_on_minus_zero,
                                 LEnvironment* env,
                                 NumberUntagDMode mode) {
@@ -4702,7 +4702,7 @@ void LCodeGen::EmitNumberUntagD(Register input_reg,
     // Heap number map check.
     __ lw(scratch, FieldMemOperand(input_reg, HeapObject::kMapOffset));
     __ LoadRoot(at, Heap::kHeapNumberMapRootIndex);
-    if (deoptimize_on_undefined) {
+    if (!allow_undefined_as_nan) {
       DeoptimizeIf(ne, env, scratch, Operand(at));
     } else {
       Label heap_number, convert;
@@ -4875,7 +4875,7 @@ void LCodeGen::DoNumberUntagD(LNumberUntagD* instr) {
   }
 
   EmitNumberUntagD(input_reg, result_reg,
-                   instr->hydrogen()->deoptimize_on_undefined(),
+                   instr->hydrogen()->allow_undefined_as_nan(),
                    instr->hydrogen()->deoptimize_on_minus_zero(),
                    instr->environment(),
                    mode);
diff --git a/src/mips/lithium-codegen-mips.h b/src/mips/lithium-codegen-mips.h
index b2101a8..2f4e140 100644
--- a/src/mips/lithium-codegen-mips.h
+++ b/src/mips/lithium-codegen-mips.h
@@ -343,7 +343,7 @@ class LCodeGen BASE_EMBEDDED {
   void EmitCmpI(LOperand* left, LOperand* right);
   void EmitNumberUntagD(Register input,
                         DoubleRegister result,
-                        bool deoptimize_on_undefined,
+                        bool allow_undefined_as_nan,
                         bool deoptimize_on_minus_zero,
                         LEnvironment* env,
                         NumberUntagDMode mode);
-- 
2.7.4