--- a/hotspot/src/cpu/x86/vm/globals_x86.hpp Mon Aug 27 09:46:38 2012 -0700
+++ b/hotspot/src/cpu/x86/vm/globals_x86.hpp Mon Aug 27 15:17:17 2012 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -78,4 +78,53 @@
// GC Ergo Flags
define_pd_global(intx, CMSYoungGenPerWorker, 64*M); // default max size of CMS young gen, per GC worker thread
+
+#define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct) \
+ \
+ develop(bool, IEEEPrecision, true, \
+ "Enables IEEE precision (for INTEL only)") \
+ \
+ product(intx, FenceInstruction, 0, \
+ "(Unsafe,Unstable) Experimental") \
+ \
+ product(intx, ReadPrefetchInstr, 0, \
+ "Prefetch instruction to prefetch ahead") \
+ \
+ product(bool, UseStoreImmI16, true, \
+ "Use store immediate 16-bits value instruction on x86") \
+ \
+ product(intx, UseAVX, 99, \
+ "Highest supported AVX instructions set on x86/x64") \
+ \
+ diagnostic(bool, UseIncDec, true, \
+ "Use INC, DEC instructions on x86") \
+ \
+ product(bool, UseNewLongLShift, false, \
+ "Use optimized bitwise shift left") \
+ \
+ product(bool, UseAddressNop, false, \
+ "Use '0F 1F [addr]' NOP instructions on x86 cpus") \
+ \
+ product(bool, UseXmmLoadAndClearUpper, true, \
+ "Load low part of XMM register and clear upper part") \
+ \
+ product(bool, UseXmmRegToRegMoveAll, false, \
+ "Copy all XMM register bits when moving value between registers") \
+ \
+ product(bool, UseXmmI2D, false, \
+ "Use SSE2 CVTDQ2PD instruction to convert Integer to Double") \
+ \
+ product(bool, UseXmmI2F, false, \
+ "Use SSE2 CVTDQ2PS instruction to convert Integer to Float") \
+ \
+ product(bool, UseUnalignedLoadStores, false, \
+ "Use SSE2 MOVDQU instruction for Arraycopy") \
+ \
+ /* assembler */ \
+ product(bool, Use486InstrsOnly, false, \
+ "Use 80486 Compliant instruction subset") \
+ \
+ product(bool, UseCountLeadingZerosInstruction, false, \
+ "Use count leading zeros instruction") \
+
#endif // CPU_X86_VM_GLOBALS_X86_HPP