Reland PPC portion of "Detect cache line size on Linux for PPC hosts."

src/arm/codegen-arm.cc

 // Copyright 2012 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/arm/codegen-arm.h"
 
 #if V8_TARGET_ARCH_ARM
 
 #include "src/arm/simulator-arm.h"
 #include "src/codegen.h"
@@ skipping 90 matching lines @@
 
   if (CpuFeatures::IsSupported(NEON)) {
     Label loop, less_256, less_128, less_64, less_32, _16_or_less, _8_or_less;
     Label size_less_than_8;
     __ pld(MemOperand(src, 0));
 
     __ cmp(chars, Operand(8));
     __ b(lt, &size_less_than_8);
     __ cmp(chars, Operand(32));
     __ b(lt, &less_32);
-    if (CpuFeatures::cache_line_size() == 32) {
+    if (CpuFeatures::dcache_line_size() == 32) {
       __ pld(MemOperand(src, 32));
     }
     __ cmp(chars, Operand(64));
     __ b(lt, &less_64);
     __ pld(MemOperand(src, 64));
-    if (CpuFeatures::cache_line_size() == 32) {
+    if (CpuFeatures::dcache_line_size() == 32) {
       __ pld(MemOperand(src, 96));
     }
     __ cmp(chars, Operand(128));
     __ b(lt, &less_128);
     __ pld(MemOperand(src, 128));
-    if (CpuFeatures::cache_line_size() == 32) {
+    if (CpuFeatures::dcache_line_size() == 32) {
       __ pld(MemOperand(src, 160));
     }
     __ pld(MemOperand(src, 192));
-    if (CpuFeatures::cache_line_size() == 32) {
+    if (CpuFeatures::dcache_line_size() == 32) {
       __ pld(MemOperand(src, 224));
     }
     __ cmp(chars, Operand(256));
     __ b(lt, &less_256);
     __ sub(chars, chars, Operand(256));
 
     __ bind(&loop);
     __ pld(MemOperand(src, 256));
     __ vld1(Neon8, NeonListOperand(d0, 4), NeonMemOperand(src, PostIndex));
-    if (CpuFeatures::cache_line_size() == 32) {
+    if (CpuFeatures::dcache_line_size() == 32) {
       __ pld(MemOperand(src, 256));
     }
     __ vld1(Neon8, NeonListOperand(d4, 4), NeonMemOperand(src, PostIndex));
     __ sub(chars, chars, Operand(64), SetCC);
     __ vst1(Neon8, NeonListOperand(d0, 4), NeonMemOperand(dest, PostIndex));
     __ vst1(Neon8, NeonListOperand(d4, 4), NeonMemOperand(dest, PostIndex));
     __ b(ge, &loop);
     __ add(chars, chars, Operand(256));
 
     __ bind(&less_256);
@@ skipping 799 matching lines @@
     patcher.masm()->ldr(pc, MemOperand(pc, -4));
     patcher.masm()->emit_code_stub_address(stub);
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM