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Re: [PATCH] PR79079 Fix __builtin_mul_overflow code gen for !TRULY_NOOP_TRUNCATION target


On Tue, Jan 17, 2017 at 06:09:29PM +0800, Kito Cheng wrote:
> Hi Jakub:
> 
> Thanks for your review, attachment is v2 patch, it's also run
> regression with x86-64, mips64, riscv64 and riscv32.
> and additional, I've run gcc 6 branch with this patch, fix mips64 and
> riscv64 and no
> introduce new regression on x86-64 and riscv32 on 6/trunk, it's ok for
> trunk and gcc-6-branch ?
> 
> gcc/ChangeLog:
> 
> 2017-01-16  Kito Cheng <kito.cheng@gmail.com>
>             Kuan-Lin Chen <kuanlinchentw@gmail.com>
> 
>         PR target/PR79079
>         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
>         gen_lowpart.

Ok for trunk, for gcc-6-branch only after say 2 weeks on the trunk without
problems.

	Jakub


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