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7079329: Adjust allocation prefetching for T4

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On T4 2 BIS instructions should be issued to prefetch 64 bytes

Reviewed-by: iveresov, phh, twisti
This commit is contained in:
Vladimir Kozlov 2011-08-16 16:59:46 -07:00
parent 080f790edc
commit 90651b2666
18 changed files with 299 additions and 129 deletions
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6
hotspot/src/cpu/sparc/vm/assembler_sparc.hpp
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@ -886,7 +886,11 @@ class Assembler : public AbstractAssembler {
enum ASIs { // page 72, v9
ASI_PRIMARY = 0x80,
ASI_PRIMARY_LITTLE = 0x88
ASI_PRIMARY_LITTLE = 0x88,
// Block initializing store
ASI_ST_BLKINIT_PRIMARY = 0xE2,
// Most-Recently-Used (MRU) BIS variant
ASI_ST_BLKINIT_MRU_PRIMARY = 0xF2
// add more from book as needed
};