Re: [PATCH, i386] Fix PR 64688, ICE: Max. number of generated reload insns per insn is achieved (90)

[Uros Bizjak <ubizjak at gmail dot com>]

On Thu, Jan 22, 2015 at 7:37 PM, Uros Bizjak <ubizjak@gmail.com> wrote:

>> Attached patch fixes PR 64688. Operand constraints were wrong for
>> reg-to-vec targets.
>>
>> The patch also fixes PR 64477.
>
> Whoops, I have regtested wrong compiler. The patch introduced some
> AVX2 regressions. Following patch is also needed, otherwise vec_dup
> post-reload splitter creates invalid pattern that involves general reg
> for reg-to-vec targets.

Now fixed, attached is the complete patch.

2015-22-01  Uros Bizjak  <ubizjak@gmail.com>

    PR target/64688
    PR target/64477
    * config/i386/sse.md (vec_set<mode>_0): Use (Yi/r/C) constraints
    for alternative 3.
    (*vec_dup<mode>): Use (Yi/$r) constraints for alternative 1.

Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.

Committed to mainline SVN.

Uros.

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