Re: [PATCH]middle-end Add optimized float addsub without needing VEC_PERM_EXPR.

Mon, 31 Oct 2022 08:56:31 -0700 


On 10/31/22 05:38, Tamar Christina via Gcc-patches wrote:

Hi All,

This is a respin with all feedback addressed.

Bootstrapped Regtested on aarch64-none-linux-gnu and no issues.

Ok for master?

Thanks,
Tamar

gcc/ChangeLog:

        * match.pd: Add fneg/fadd rule.

gcc/testsuite/ChangeLog:

        * gcc.target/aarch64/simd/addsub_1.c: New test.
        * gcc.target/aarch64/sve/addsub_1.c: New test.



It's a pretty neat optimization.  I'd been watching it progress. Glad to 
see you were able to address the existing feedback before stage1 closed.



OK for the trunk.


Jeff
























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