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src/cpu/ppc/vm/vm_version_ppc.hpp
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rev 8107 : 8077838: Recent developments for ppc.
@@ -1,8 +1,8 @@
/*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
- * Copyright 2012, 2014 SAP AG. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2012, 2015 SAP AG. 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
@@ -39,11 +39,14 @@
cmpb,
popcntb,
popcntw,
fcfids,
vand,
- dcba,
+ lqarx,
+ vcipher,
+ vpmsumb,
+ tcheck,
num_features // last entry to count features
};
enum Feature_Flag_Set {
unknown_m = 0,
fsqrt_m = (1 << fsqrt ),
@@ -53,26 +56,33 @@
cmpb_m = (1 << cmpb ),
popcntb_m = (1 << popcntb),
popcntw_m = (1 << popcntw),
fcfids_m = (1 << fcfids ),
vand_m = (1 << vand ),
- dcba_m = (1 << dcba ),
+ lqarx_m = (1 << lqarx ),
+ vcipher_m = (1 << vcipher),
+ vpmsumb_m = (1 << vpmsumb),
+ tcheck_m = (1 << tcheck ),
all_features_m = -1
};
static int _features;
static int _measured_cache_line_size;
static const char* _features_str;
static bool _is_determine_features_test_running;
static void print_features();
static void determine_features(); // also measures cache line size
+ static void config_dscr(); // Power 8: Configure Data Stream Control Register.
static void determine_section_size();
static void power6_micro_bench();
public:
// Initialization
static void initialize();
+ // Override Abstract_VM_Version implementation
+ static bool use_biased_locking();
+
static bool is_determine_features_test_running() { return _is_determine_features_test_running; }
// CPU instruction support
static bool has_fsqrt() { return (_features & fsqrt_m) != 0; }
static bool has_fsqrts() { return (_features & fsqrts_m) != 0; }
static bool has_isel() { return (_features & isel_m) != 0; }
@@ -80,11 +90,14 @@
static bool has_cmpb() { return (_features & cmpb_m) != 0; }
static bool has_popcntb() { return (_features & popcntb_m) != 0; }
static bool has_popcntw() { return (_features & popcntw_m) != 0; }
static bool has_fcfids() { return (_features & fcfids_m) != 0; }
static bool has_vand() { return (_features & vand_m) != 0; }
- static bool has_dcba() { return (_features & dcba_m) != 0; }
+ static bool has_lqarx() { return (_features & lqarx_m) != 0; }
+ static bool has_vcipher() { return (_features & vcipher_m) != 0; }
+ static bool has_vpmsumb() { return (_features & vpmsumb_m) != 0; }
+ static bool has_tcheck() { return (_features & tcheck_m) != 0; }
static const char* cpu_features() { return _features_str; }
static int get_cache_line_size() { return _measured_cache_line_size; }
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