[riscv-port] RFR: 8279914: riscv: Wrong result caused by incorrect use of iregL2I operand in some c2 match rules [v3]

Fei Yang fyang at openjdk.java.net
Wed Jan 12 11:48:54 UTC 2022


On Wed, 12 Jan 2022 11:31:21 GMT, Feilong Jiang <fjiang at openjdk.org> wrote:

>> This PR fixes the issue that incorrect use of iRegL2I operand in some c2 match rules.
>> 
>> Test on [JDK-8279914](https://bugs.openjdk.java.net/browse/JDK-8279914) passed after this fixing.
>> 
>> Hotspot tier1 test on QEMU are passed without new failures.
>
> Feilong Jiang has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains two new commits since the last revision:
> 
>  - update commments rs2 to src2
>  - 8279914: riscv: Wrong result caused by incorrect use of iregL2I operand in some c2 match rules

Nice catch. Looks good.

-------------

Marked as reviewed by fyang (Lead).

PR: https://git.openjdk.java.net/riscv-port/pull/44


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