59 Commits

Author SHA1 Message Date
David Chase
9a359984c2 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
Add intrinsics using new instruction to interpreter, C1, C2, for suitable x86; add test

Reviewed-by: kvn, twisti
2013-07-02 20:42:12 -04:00
Vladimir Kozlov
88f70d8026 8011102: Clear AVX registers after return from JNI call
Execute vzeroupper instruction after JNI call and on exits in jit compiled code which use 256bit vectors.

Reviewed-by: roland
2013-04-03 11:12:57 -07:00
Dean Long
0a2347e0ba Merge 2013-01-27 01:07:09 -08:00
Joseph Provino
698fba94ef 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
Rename INCLUDE_ALTERNATE_GCS to INCLUDE_ALL_GCS and replace SERIALGC with INCLUDE_ALL_GCS.

Reviewed-by: coleenp, stefank
2013-01-23 13:02:39 -05:00
Vladimir Kozlov
9e0c61f822 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
Use SSE4.2 and AVX2 instructions for encodeArray intrinsic.

Reviewed-by: roland
2013-01-22 15:34:16 -08:00
Vladimir Kozlov
38c81fb411 8005419: Improve intrinsics code performance on x86 by using AVX2
Use 256bit vpxor,vptest instructions in String.compareTo() and equals() intrinsics.

Reviewed-by: twisti
2013-01-08 11:30:51 -08:00
Vladimir Kozlov
cfcd28fd9d 8005522: use fast-string instructions on x86 for zeroing
Use 'rep stosb' instead of 'rep stosq' when fast-string operations are available.

Reviewed-by: twisti, roland
2013-01-03 15:09:55 -08:00
Bharadwaj Yadavalli
fb74718339 8004548: remove unused AbstractAssembler::print(Label&)
Reviewed-by: kvn, twisti
2012-12-17 11:00:22 -08:00
Christian Thalinger
2c2c007448 8003240: x86: move MacroAssembler into separate file
Reviewed-by: kvn
2012-11-30 15:23:16 -08:00