From: "Thomas Preud'homme" <thomas.preudhomme@arm.com>
To: "'Steven Bosscher'" <stevenb.gcc@gmail.com>
Cc: "GCC Patches" <gcc-patches@gcc.gnu.org>
Subject: RE: [PATCH, GCC, stage1] Fallback to copy-prop if constant-prop not possible
Date: Wed, 04 Mar 2015 08:52:00 -0000 [thread overview]
Message-ID: <000001d05658$7d08bda0$771a38e0$@arm.com> (raw)
In-Reply-To: <000601d04a5c$a0c0f030$e242d090$@arm.com>
Ping?
> From: gcc-patches-owner@gcc.gnu.org [mailto:gcc-patches-
> owner@gcc.gnu.org] On Behalf Of Thomas Preud'homme
[SNIP]
> >
> > Likewise for the REG_P and ">= FIRST_PSEUDO_REGISTER" tests here
> > (with
> > the equivalent and IMHO preferable HARD_REGISTER_P test in
> > find_avail_set()).
>
> I'm not sure I follow you here. First, it seems to me that the equivalent
> test is rather REG_P && !HARD_REGISTER_P since here it checks if it's
> a pseudo register.
>
> Then, do you mean the test can be simply removed because of the
> REG_P && !HARD_REGISTER_P in hash_scan_set () called indirectly by
> compute_hash_table () when called in one_cprop_pass () before any
> cprop_insn ()? Or do you mean I should move the check in
> find_avail_set ()?
>
> Best regards,
>
> Thomas
>
>
>
>
next prev parent reply other threads:[~2015-03-04 8:52 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-16 10:26 Thomas Preud'homme
2015-02-16 10:54 ` Richard Biener
2015-02-16 12:06 ` Steven Bosscher
2015-02-16 20:20 ` Steven Bosscher
2015-02-17 2:51 ` Thomas Preud'homme
2015-03-04 8:52 ` Thomas Preud'homme [this message]
2015-03-20 7:55 ` Steven Bosscher
2015-03-20 8:36 ` Thomas Preud'homme
2015-03-20 10:27 ` Thomas Preud'homme
2015-03-20 12:14 ` Steven Bosscher
2015-03-23 11:01 ` Thomas Preud'homme
2015-03-23 11:57 ` Steven Bosscher
2015-03-30 4:58 ` Thomas Preud'homme
2015-04-13 12:47 ` Jeff Law
2015-04-14 8:00 ` Thomas Preud'homme
2015-04-16 8:44 ` Thomas Preud'homme
2015-04-23 9:15 ` Steven Bosscher
2015-04-24 2:59 ` Jeff Law
2015-04-24 3:11 ` Thomas Preud'homme
2015-04-24 3:15 ` Jeff Law
2015-04-24 4:53 ` Thomas Preud'homme
2015-04-30 7:43 ` Bin.Cheng
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