archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-20 11:04:34 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8078554: Compiler: implement ranges (optionally constraints) for those flags that have them missing

Browse source 
Add range check or constraint where necessary.

Reviewed-by: roland, thartmann
This commit is contained in:
Zoltan Majo 2015-10-09 14:21:26 +02:00
parent 7ca0abe7ee
commit fc2a5e9d53
14 changed files with 496 additions and 37 deletions
Download patch file Download diff file Expand all files Collapse all files

18
hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp
View file

@ -40,10 +40,6 @@ void VM_Version::initialize() {
PrefetchScanIntervalInBytes = prefetch_scan_interval_in_bytes();
PrefetchFieldsAhead = prefetch_fields_ahead();
assert(0 <= AllocatePrefetchInstr && AllocatePrefetchInstr <= 1, "invalid value");
if( AllocatePrefetchInstr < 0 ) AllocatePrefetchInstr = 0;
if( AllocatePrefetchInstr > 1 ) AllocatePrefetchInstr = 0;
// Allocation prefetch settings
intx cache_line_size = prefetch_data_size();
if( cache_line_size > AllocatePrefetchStepSize )
@ -59,13 +55,6 @@ void VM_Version::initialize() {
AllocatePrefetchDistance = allocate_prefetch_distance();
AllocatePrefetchStyle = allocate_prefetch_style();
assert((AllocatePrefetchDistance % AllocatePrefetchStepSize) == 0 &&
(AllocatePrefetchDistance > 0), "invalid value");
if ((AllocatePrefetchDistance % AllocatePrefetchStepSize) != 0 ||
(AllocatePrefetchDistance <= 0)) {
AllocatePrefetchDistance = AllocatePrefetchStepSize;
}
if (AllocatePrefetchStyle == 3 && !has_blk_init()) {
warning("BIS instructions are not available on this CPU");
FLAG_SET_DEFAULT(AllocatePrefetchStyle, 1);
@ -73,13 +62,6 @@ void VM_Version::initialize() {
guarantee(VM_Version::has_v9(), "only SPARC v9 is supported");
assert(ArraycopySrcPrefetchDistance < 4096, "invalid value");
if (ArraycopySrcPrefetchDistance >= 4096)
ArraycopySrcPrefetchDistance = 4064;
assert(ArraycopyDstPrefetchDistance < 4096, "invalid value");
if (ArraycopyDstPrefetchDistance >= 4096)
ArraycopyDstPrefetchDistance = 4064;
UseSSE = 0; // Only on x86 and x64
_supports_cx8 = has_v9();