src/base/build_config.h - Issue 2384553003: PPC: [heap] Switch to 500k pages

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Side by Side Diff: src/base/build_config.h

Issue 2384553003: PPC: [heap] Switch to 500k pages (Closed)

Patch Set: reverted kMinimumCodeRangeSize initial value which was based of 4MB ppc page size Created 4 years, 2 months ago

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1 // Copyright 2014 the V8 project authors. All rights reserved.	1 // Copyright 2014 the V8 project authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #ifndef V8_BASE_BUILD_CONFIG_H_	5 #ifndef V8_BASE_BUILD_CONFIG_H_

6 #define V8_BASE_BUILD_CONFIG_H_	6 #define V8_BASE_BUILD_CONFIG_H_

7	7

8 #include "include/v8config.h"	8 #include "include/v8config.h"

9	9

10 // Processor architecture detection. For more info on what's defined, see:	10 // Processor architecture detection. For more info on what's defined, see:

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197	197

198 #if defined(V8_TARGET_ARCH_IA32) \|\| defined(V8_TARGET_ARCH_X64) \|\| \	198 #if defined(V8_TARGET_ARCH_IA32) \|\| defined(V8_TARGET_ARCH_X64) \|\| \

199 defined(V8_TARGET_ARCH_X87)	199 defined(V8_TARGET_ARCH_X87)

200 #define V8_TARGET_ARCH_STORES_RETURN_ADDRESS_ON_STACK 1	200 #define V8_TARGET_ARCH_STORES_RETURN_ADDRESS_ON_STACK 1

201 #else	201 #else

202 #define V8_TARGET_ARCH_STORES_RETURN_ADDRESS_ON_STACK 0	202 #define V8_TARGET_ARCH_STORES_RETURN_ADDRESS_ON_STACK 0

203 #endif	203 #endif

204	204

205 // Number of bits to represent the page size for paged spaces. The value of 20	205 // Number of bits to represent the page size for paged spaces. The value of 20

206 // gives 1Mb bytes per page.	206 // gives 1Mb bytes per page.

207 #if V8_HOST_ARCH_PPC && V8_TARGET_ARCH_PPC && V8_OS_LINUX

208 // Bump up for Power Linux due to larger (64K) page size.

209 const int kPageSizeBits = 22;

210 #else

211 const int kPageSizeBits = 19;	207 const int kPageSizeBits = 19;

212 #endif

213	208

214 #endif // V8_BASE_BUILD_CONFIG_H_	209 #endif // V8_BASE_BUILD_CONFIG_H_

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