RFR: 8211100: hotspot C1 issue with comparing long numbers on x86 32-bit

Andrew Haley aph at redhat.com
Mon Mar 18 15:53:04 UTC 2019

On 3/13/19 12:43 PM, Dmitry Cherepanov wrote:
> Updated version of original fix (with ifdef X86 added):
> http://cr.openjdk.java.net/~dcherepanov/8211100/webrev.04/
> Is it okay to push it?

Surely you cannot contemplate pushing this patch with no explanatory comment.

"BEWARE! On 32-bit x86 cmp clobbers its left argument so we need a temp copy."

Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671

More information about the hotspot-compiler-dev mailing list