16 Commits

Author SHA1 Message Date
Stefan Karlsson
8006fe8f75 6989984: Use standard include model for Hospot
Replaced MakeDeps and the includeDB files with more standardized solutions.

Reviewed-by: coleenp, kvn, kamg
2010-11-23 13:22:55 -08:00
Vladimir Kozlov
249b1f6c4f 6987135: Performance regression on Intel platform with 32-bits edition between 6u13 and 6u14
Use hardware DIV instruction for long division by constant when it is faster than code with multiply.

Reviewed-by: never
2010-11-02 09:00:37 -07:00
Erik Trimble
ba7c173659 6941466: Oracle rebranding changes for Hotspot repositories
Change all the Sun copyrights to Oracle copyright

Reviewed-by: ohair
2010-05-27 19:08:38 -07:00
Vladimir Kozlov
eca996c10f 6910484: incorrect integer optimization (loosing and op-r in a given example)
Remove AND operation only if mask is equal to shift.

Reviewed-by: never
2010-01-08 09:51:24 -08:00
Christian Thalinger
96139033e6 6837011: SIGSEGV in PhaseIdealLoop in 32bit jvm
The CR's test crashes with SIGSEGV when running with "-server -Xcomp" using using 32bit jvm.

Reviewed-by: kvn, never, rasbold
2009-05-06 12:04:42 -07:00
Christian Thalinger
05d1de7727 6810672: Comment typos
I have collected some typos I have found while looking at the code.

Reviewed-by: kvn, never
2009-02-27 13:27:09 -08:00
Christian Thalinger
dd25f39709 6805724: ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant
C2, ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant.

Reviewed-by: rasbold
2009-02-16 07:19:26 -08:00
Christian Thalinger
a2ed00b650 6800154: Add comments to long_by_long_mulhi() for better understandability
This patch adds a comment pointing to the Hacker's Delight version of the algorithm plus a verbatim copy of it.  Furthermore it adds inline comments.

Reviewed-by: kvn, jrose
2009-02-13 09:09:35 -08:00
Chuck Rasbold
0dac6431d2 6717150: improper constant folding of subnormal strictfp multiplications and divides
Suppress constant folding of double divides and multiplications on ia32

Reviewed-by: never
2008-10-14 06:58:58 -07:00
Vladimir Kozlov
adce6fc49a 6667595: Set probability FAIR for pre-, post- loops and ALWAYS for main loop
Fix loop's probability. Add optimizations to avoid spilling. Change InlineSmallCode to product flag.

Reviewed-by: never
2008-10-02 08:37:44 -07:00
Vladimir Kozlov
37306315b2 6736417: Fastdebug C2 crashes in StoreBNode::Ideal
The result of step_through_mergemem() and remove_dead_region() is not checked in some cases.

Reviewed-by: never
2008-08-27 09:15:46 -07:00
Chuck Rasbold
1e49d39e6b 6732154: REG: Printing an Image using image/gif doc flavor crashes the VM, Solsparc
Delay transform call until uses of t2 are constructed

Reviewed-by: never
2008-08-14 10:15:29 -07:00
Xiomara Jayasena
c96a95c4b8 6719955: Update copyright year
Update copyright year for files that have been modified in 2008

Reviewed-by: ohair, tbell
2008-07-02 12:55:16 -07:00
Chuck Rasbold
72313bcf20 6603011: RFE: Optimize long division
Transform long division by constant into multiply

Reviewed-by: never, kvn
2008-05-07 08:06:46 -07:00
John R Rose
b05f95c5a9 6695288: runThese tests expr30303 and drem00301m1 fail when compiled code executes without deopt
Rework Value method for ModD and ModF, to DTRT for infinities

Reviewed-by: sgoldman, kvn, rasbold
2008-04-29 19:40:51 -07:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00