8210425: [x86] sharedRuntimeTrig/sharedRuntimeTrans compiled without optimization
lutz.schmidt at sap.com
Wed Sep 12 07:16:17 UTC 2018
I totally agree with Andrew's statement. FP calculations should be evaluated as the programmer wrote them down. All fiddling around with sequence or rounding is evil. You lose reproducibility of results.
On 08.09.18, 11:26, "hotspot-dev on behalf of Andrew Haley" <hotspot-dev-bounces at openjdk.java.net on behalf of aph at redhat.com> wrote:
On 09/06/2018 03:32 PM, Severin Gehwolf wrote:
> Right. I should note that ppc64, s390x and aarch64 ports don't have
> this optimization turned off as those overrides are in a x86 specific
> block. It appears it hasn't caused issues for these ports so far.
That's just dumb luck. We really should turn off the merging of FP
operations on all platforms.
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
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