Integrated: 8354544: Fix bugs in increment and xor APX codegen

[Srinivas Vamsi Parasa]

On Mon, 14 Apr 2025 23:25:14 GMT, Srinivas Vamsi Parasa <sparasa at openjdk.org> wrote:

> This PR fixes the bugs discovered in the APX NDD code generation PR (#23501) that got integrated into OpenJDK.
> 
> The following compiler tests uncovered these bugs:
> 
> test/hotspot/jtreg/compiler/c2/cr6340864/TestLongVect.java
> test/hotspot/jtreg/compiler/c2/cr7192963/TestLongVect.java
> test/hotspot/jtreg/compiler/vectorization/runner/BasicLongOpTest.java
> test/hotspot/jtreg/compiler/vectorapi/TestMaskedMacroLogicVector.java
> 
> After the bug fixes in this PR, **using Intel Software Development Emulator (SDE) it was verified that the above tests are working correctly when using Intel APX.**
> 
> Below is a representative error for the TEST: compiler/c2/cr6340864/TestLongVect.java
> STDERR:
> test_xorc: [0] = 9223372032566684971 != -7818520746908513990
> test_xorc: [1] = 9223372032566684972 != -7818520746908513987
> test_xorc: [994] = -9223372032566684979 != 7818520746908514012
> test_xorc: [995] = -9223372032566684978 != 7818520746908514015
> test_xorc: [996] = -9223372032566684977 != 7818520746908514014
> test_xorv: [0] = 9223372032566684971 != -7818520746908513990
> test_xorv: [1] = 9223372032566684972 != -7818520746908513987
> test_xorv: [994] = -9223372032566684979 != 7818520746908514012
> test_xorv: [995] = -9223372032566684978 != 7818520746908514015
> test_xorv: [996] = -9223372032566684977 != 7818520746908514014
> test_xora: [0] = 9223372032566684971 != -7818520746908513990
> test_xora: [1] = 9223372032566684972 != -7818520746908513987
> test_xora: [2] = 9223372032566684973 != -7818520746908513988
> test_xora: [3] = 9223372032566684974 != -7818520746908513985
> test_xora: [4] = 9223372032566684975 != -7818520746908513986
> FAILED: 15 errors
> TEST RESULT: Failed. Execution failed: Execution failed

This pull request has now been integrated.

Changeset: 513c4650
Author:    Srinivas Vamsi Parasa <sparasa at openjdk.org>
Committer: Sandhya Viswanathan <sviswanathan at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/513c4650c51aa435f04fb0aaf495134259042118
Stats:     4 lines in 1 file changed: 0 ins; 0 del; 4 mod

8354544: Fix bugs in increment and xor APX codegen

Reviewed-by: thartmann, jbhateja

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PR: https://git.openjdk.org/jdk/pull/24637