Re: [PATCH] match.pd: Fold CPROJ when nested inside CPROJ or CABS [PR 126690].

[Jeff Law]

On 8/26/26 11:12 PM, Dipesh Sharma wrote:

[...]

+/* { dg-final { scan-tree-dump-not {__builtin_cabsl \(__builtin_cprojl} 
"optimized" } } */

This testcase will pass even before your match.pd patch.
Maybe the best way to write this testcase is count the number of
cabs/cproj used.

Mine, in GIMPLE SSA there wont be nested call to match the above testcase.
I have updated the patch, PFA it below.

Thanks,
Dipesh:q

gcc/ChangeLog:
        PR tree-optimization/126690.
        * match.pd: Add patterns to fold CPROJ when nested inside CPROJ or CABS.

gcc/testsuite/ChangeLog:

        * gcc.dg/tree-ssa/pr126690.c: New test.

Thanks.  I've pushed this to the trunk.

jeff