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8164002: Add a new CPU family (S_family) for SPARC S7 and above processors

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Reviewed-by: dholmes, ecaspole, kvn
This commit is contained in:
Martin Walsh 2016-10-19 10:48:48 -07:00
parent dbcc466e7f
commit 4aa77f3ae6
2 changed files with 19 additions and 11 deletions
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10
hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp
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@ -457,9 +457,10 @@ void VM_Version::revert() {
unsigned int VM_Version::calc_parallel_worker_threads() {
unsigned int result;
if (is_M_series()) {
// for now, use same gc thread calculation for M-series as for niagara-plus
// in future, we may want to tweak parameters for nof_parallel_worker_thread
if (is_M_series() || is_S_series()) {
// for now, use same gc thread calculation for M-series and S-series as for
// niagara-plus. In future, we may want to tweak parameters for
// nof_parallel_worker_thread
result = nof_parallel_worker_threads(5, 16, 8);
} else if (is_niagara_plus()) {
result = nof_parallel_worker_threads(5, 16, 8);
@ -483,6 +484,9 @@ int VM_Version::parse_features(const char* implementation) {
} else if (strstr(impl, "SPARC-M") != NULL) {
// M-series SPARC is based on T-series.
features |= (M_family_m | T_family_m);
} else if (strstr(impl, "SPARC-S") != NULL) {
// S-series SPARC is based on T-series.
features |= (S_family_m | T_family_m);
} else if (strstr(impl, "SPARC-T") != NULL) {
features |= T_family_m;
if (strstr(impl, "SPARC-T1") != NULL) {

20
hotspot/src/cpu/sparc/vm/vm_version_sparc.hpp
View File

@ -49,14 +49,15 @@ protected:
cbcond_instructions = 12,
sparc64_family = 13,
M_family = 14,
T_family = 15,
T1_model = 16,
sparc5_instructions = 17,
aes_instructions = 18,
sha1_instruction = 19,
sha256_instruction = 20,
sha512_instruction = 21,
crc32c_instruction = 22
S_family = 15,
T_family = 16,
T1_model = 17,
sparc5_instructions = 18,
aes_instructions = 19,
sha1_instruction = 20,
sha256_instruction = 21,
sha512_instruction = 22,
crc32c_instruction = 23
};
enum Feature_Flag_Set {
@ -78,6 +79,7 @@ protected:
cbcond_instructions_m = 1 << cbcond_instructions,
sparc64_family_m = 1 << sparc64_family,
M_family_m = 1 << M_family,
S_family_m = 1 << S_family,
T_family_m = 1 << T_family,
T1_model_m = 1 << T1_model,
sparc5_instructions_m = 1 << sparc5_instructions,
@ -105,6 +107,7 @@ protected:
// Returns true if the platform is in the niagara line (T series)
static bool is_M_family(int features) { return (features & M_family_m) != 0; }
static bool is_S_family(int features) { return (features & S_family_m) != 0; }
static bool is_T_family(int features) { return (features & T_family_m) != 0; }
static bool is_niagara() { return is_T_family(_features); }
#ifdef ASSERT
@ -153,6 +156,7 @@ public:
static bool is_niagara_plus() { return is_T_family(_features) && !is_T1_model(_features); }
static bool is_M_series() { return is_M_family(_features); }
static bool is_S_series() { return is_S_family(_features); }
static bool is_T4() { return is_T_family(_features) && has_cbcond(); }
static bool is_T7() { return is_T_family(_features) && has_sparc5_instr(); }