On 5/19/23 20:14, Andrew Pinski via Gcc-patches wrote:
Instead of depending on combine to do the extraction,
Let's create a tree which will expand directly into
the extraction. This improves code generation on some
targets.

OK? Bootstrapped and tested on x86_64-linux.

gcc/ChangeLog:

        * expr.cc (fold_single_bit_test): Use BIT_FIELD_REF
        instead of shift/and.
OK.
jeff

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