From: rep.dot.nop@gmail.com
To: gcc-patches@gcc.gnu.org, Jeff Law <jeffreyalaw@gmail.com>,
Dimitar Dimitrov <dimitar@dinux.eu>,
Jeff Law <jlaw@ventanamicro.com>
Cc: "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>,
Jivan Hakobyan <jivanhakobyan9@gmail.com>
Subject: Re: [RFA] New pass for sign/zero extension elimination
Date: Sun, 26 Nov 2023 17:42:40 +0100 [thread overview]
Message-ID: <C092C248-CC1A-429A-AD27-E3D3A5E18430@gmail.com> (raw)
In-Reply-To: <cf429200-0f4a-41ab-806a-3ee3bb19b7b3@gmail.com>
On 22 November 2023 23:23:41 CET, Jeff Law <jeffreyalaw@gmail.com> wrote:
>
>
>On 11/20/23 11:56, Dimitar Dimitrov wrote:
>> On Sun, Nov 19, 2023 at 05:47:56PM -0700, Jeff Law wrote:
>> ...
>>> + enum rtx_code xcode = GET_CODE (x);
>>> + if (xcode == SET)
>>> + {
>>> + const_rtx dst = SET_DEST (x);
>>> + rtx src = SET_SRC (x);
>>> + const_rtx y;
>>> + unsigned HOST_WIDE_INT bit = 0;
>>> +
>>> + /* The code of the RHS of a SET. */
>>> + enum rtx_code code = GET_CODE (src);
>>> +
>>> + /* ?!? How much of this should mirror SET handling, potentially
>>> + being shared? */
>>> + if (SUBREG_BYTE (dst).is_constant () && SUBREG_P (dst))
>>
>> Shouldn't SUBREG_P be checked first like:
>> if (SUBREG_P (dst) && SUBREG_BYTE (dst).is_constant ())
>Yes, absolutely. It'll be fixed in the next update.
>
>This also highlighted that I never added pru-elf to the configurations in my tester. I remember thinking that it needed to be added, but obviously that mental TODO got lost. I've just fixed that.
And please drop the superfluous enum from rtx_code while at it?
TIA
next prev parent reply other threads:[~2023-11-26 16:42 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-20 0:47 Jeff Law
2023-11-20 1:22 ` Oleg Endo
2023-11-20 2:51 ` Jeff Law
2023-11-20 2:57 ` Oleg Endo
2023-11-20 2:23 ` Xi Ruoyao
2023-11-20 2:46 ` Jeff Law
2023-11-20 2:52 ` Jeff Law
2023-11-20 3:32 ` Xi Ruoyao
2023-11-20 3:48 ` Jeff Law
2023-11-20 18:26 ` Richard Sandiford
2023-11-22 17:59 ` Jeff Law
2023-11-27 20:15 ` Richard Sandiford
2023-11-20 18:56 ` Dimitar Dimitrov
2023-11-22 22:23 ` Jeff Law
2023-11-26 16:42 ` rep.dot.nop [this message]
2023-11-27 16:14 ` Jeff Law
2023-11-27 11:30 ` Andrew Stubbs
2023-11-27 16:16 ` Jeff Law
2023-12-01 1:08 ` Hans-Peter Nilsson
2023-12-01 15:09 ` Jeff Law
2023-12-01 16:17 ` Hans-Peter Nilsson
2023-11-27 17:36 Joern Rennecke
2023-11-27 17:57 ` Joern Rennecke
2023-11-27 20:03 ` Richard Sandiford
2023-11-27 20:18 ` Jeff Law
2023-11-28 13:36 ` Joern Rennecke
2023-11-28 14:09 ` Joern Rennecke
2023-11-30 17:33 ` Jeff Law
2023-11-28 13:13 ` Joern Rennecke
2023-11-28 5:50 ` Jeff Law
2023-11-27 18:19 Joern Rennecke
2023-11-28 5:51 ` Jeff Law
2023-11-29 17:37 Joern Rennecke
2023-11-29 19:13 ` Jivan Hakobyan
2023-11-30 15:37 ` Jeff Law
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