From a4605ef9b0b36155a2b0c94a3b218c49c594c419 Mon Sep 17 00:00:00 2001
From: mstarzinger <mstarzinger@chromium.org>
Date: Fri, 11 Sep 2015 09:00:44 -0700
Subject: [PATCH] [MIPS] Remove obsolete MacroAssembler::FlushICache.

R=mlippautz@chromium.org

Review URL: https://codereview.chromium.org/1334273002

Cr-Commit-Position: refs/heads/master@{#30701}
---
 src/assembler.cc                     |  6 ------
 src/assembler.h                      |  1 -
 src/mips/macro-assembler-mips.cc     | 14 --------------
 src/mips/macro-assembler-mips.h      |  5 -----
 src/mips64/macro-assembler-mips64.cc | 14 --------------
 src/mips64/macro-assembler-mips64.h  |  5 -----
 src/snapshot/serialize.cc            |  2 --
 7 files changed, 47 deletions(-)

diff --git a/src/assembler.cc b/src/assembler.cc
index e2e102489..49b300eb2 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -1048,12 +1048,6 @@ ExternalReference ExternalReference::
 }
 
 
-ExternalReference ExternalReference::flush_icache_function(Isolate* isolate) {
-  return ExternalReference(
-      Redirect(isolate, FUNCTION_ADDR(Assembler::FlushICacheWithoutIsolate)));
-}
-
-
 ExternalReference ExternalReference::delete_handle_scope_extensions(
     Isolate* isolate) {
   return ExternalReference(Redirect(
diff --git a/src/assembler.h b/src/assembler.h
index 9bfda3649..10e9bb4e0 100644
--- a/src/assembler.h
+++ b/src/assembler.h
@@ -896,7 +896,6 @@ class ExternalReference BASE_EMBEDDED {
       Isolate* isolate);
   static ExternalReference store_buffer_overflow_function(
       Isolate* isolate);
-  static ExternalReference flush_icache_function(Isolate* isolate);
   static ExternalReference delete_handle_scope_extensions(Isolate* isolate);
 
   static ExternalReference get_date_field_function(Isolate* isolate);
diff --git a/src/mips/macro-assembler-mips.cc b/src/mips/macro-assembler-mips.cc
index 961e9d595..8e3bc03d3 100644
--- a/src/mips/macro-assembler-mips.cc
+++ b/src/mips/macro-assembler-mips.cc
@@ -1220,20 +1220,6 @@ void MacroAssembler::MultiPopReversedFPU(RegList regs) {
 }
 
 
-void MacroAssembler::FlushICache(Register address, unsigned instructions) {
-  RegList saved_regs = kJSCallerSaved | ra.bit();
-  MultiPush(saved_regs);
-  AllowExternalCallThatCantCauseGC scope(this);
-
-  Move(a0, address);
-  PrepareCallCFunction(2, t8);
-
-  li(a1, instructions * kInstrSize);
-  CallCFunction(ExternalReference::flush_icache_function(isolate()), 2);
-  MultiPop(saved_regs);
-}
-
-
 void MacroAssembler::Ext(Register rt,
                          Register rs,
                          uint16_t pos,
diff --git a/src/mips/macro-assembler-mips.h b/src/mips/macro-assembler-mips.h
index 96eb9b410..4b7e37b80 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -768,11 +768,6 @@ class MacroAssembler: public Assembler {
   // into register dst.
   void LoadFromSafepointRegisterSlot(Register dst, Register src);
 
-  // Flush the I-cache from asm code. You should use CpuFeatures::FlushICache
-  // from C.
-  // Does not handle errors.
-  void FlushICache(Register address, unsigned instructions);
-
   // MIPS32 R2 instruction macro.
   void Ins(Register rt, Register rs, uint16_t pos, uint16_t size);
   void Ext(Register rt, Register rs, uint16_t pos, uint16_t size);
diff --git a/src/mips64/macro-assembler-mips64.cc b/src/mips64/macro-assembler-mips64.cc
index 0aa678527..8ab459709 100644
--- a/src/mips64/macro-assembler-mips64.cc
+++ b/src/mips64/macro-assembler-mips64.cc
@@ -1434,20 +1434,6 @@ void MacroAssembler::MultiPopReversedFPU(RegList regs) {
 }
 
 
-void MacroAssembler::FlushICache(Register address, unsigned instructions) {
-  RegList saved_regs = kJSCallerSaved | ra.bit();
-  MultiPush(saved_regs);
-  AllowExternalCallThatCantCauseGC scope(this);
-
-  Move(a0, address);
-  PrepareCallCFunction(2, t8);
-
-  li(a1, instructions * kInstrSize);
-  CallCFunction(ExternalReference::flush_icache_function(isolate()), 2);
-  MultiPop(saved_regs);
-}
-
-
 void MacroAssembler::Ext(Register rt,
                          Register rs,
                          uint16_t pos,
diff --git a/src/mips64/macro-assembler-mips64.h b/src/mips64/macro-assembler-mips64.h
index b374d43b7..f69a68f59 100644
--- a/src/mips64/macro-assembler-mips64.h
+++ b/src/mips64/macro-assembler-mips64.h
@@ -796,11 +796,6 @@ class MacroAssembler: public Assembler {
   // into register dst.
   void LoadFromSafepointRegisterSlot(Register dst, Register src);
 
-  // Flush the I-cache from asm code. You should use CpuFeatures::FlushICache
-  // from C.
-  // Does not handle errors.
-  void FlushICache(Register address, unsigned instructions);
-
   // MIPS64 R2 instruction macro.
   void Ins(Register rt, Register rs, uint16_t pos, uint16_t size);
   void Ext(Register rt, Register rs, uint16_t pos, uint16_t size);
diff --git a/src/snapshot/serialize.cc b/src/snapshot/serialize.cc
index 48669955e..4b3284e6b 100644
--- a/src/snapshot/serialize.cc
+++ b/src/snapshot/serialize.cc
@@ -121,8 +121,6 @@ ExternalReferenceTable::ExternalReferenceTable(Isolate* isolate) {
       "InvokeFunctionCallback");
   Add(ExternalReference::invoke_accessor_getter_callback(isolate).address(),
       "InvokeAccessorGetterCallback");
-  Add(ExternalReference::flush_icache_function(isolate).address(),
-      "Assembler::FlushICacheWithoutIsolate");
   Add(ExternalReference::log_enter_external_function(isolate).address(),
       "Logger::EnterExternal");
   Add(ExternalReference::log_leave_external_function(isolate).address(),
-- 
2.34.1