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Re: [PATCH] Avoid zext/sext directly from hard registers during expansion (PR rtl-optimization/53942)
- From: Richard Henderson <rth at redhat dot com>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Thu, 19 Jul 2012 12:35:56 -0700
- Subject: Re: [PATCH] Avoid zext/sext directly from hard registers during expansion (PR rtl-optimization/53942)
- References: <20120717095043.GA9077@tucnak.redhat.com>
On 07/17/2012 02:50 AM, Jakub Jelinek wrote:
> 2012-07-17 Jakub Jelinek <jakub@redhat.com>
>
> PR rtl-optimization/53942
> * function.c (assign_parm_setup_reg): Avoid zero/sign extension
> directly from likely spilled non-fixed hard registers, move them
> to pseudo first.
>
> * gcc.dg/pr53942.c: New test.
Ok.
r~