RFR (S): 7174532: jdk/test/java/lang/Math/WorstCaseTests.java failing on x86

Vladimir Kozlov vladimir.kozlov at oracle.com
Mon Jun 11 06:59:04 PDT 2012


There is orl(Address, int) version of instruction so you don't need to load into rax.

I forgot yo ask, did you verify the test HyperbolicTest.java? If yes, please, close new bug 7175838
as duplicate.


On 6/11/12 4:25 AM, Roland Westrelin wrote:
>> Yes, windows may set different fpu_ctw. May be instead of verification we should save/restore current control word. I surprise that we don't have problems with Log and Trigonometric instructions.
> Here is a new version:
> http://cr.openjdk.java.net/~roland/7174532/webrev.01/
>> An other thing to test is to run 32bit VM with UseSSE=0.
> Testing with UseSSE=0 went fine.
> Roland.

More information about the hotspot-compiler-dev mailing list