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From: Segher Boessenkool <segher@kernel.crashing.org>
To: Jakub Jelinek <jakub@redhat.com>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] Be less conservative in process_{output,input}_constraints (PR target/65689)
Date: Wed, 08 Apr 2015 22:12:00 -0000	[thread overview]
Message-ID: <20150408221207.GB26923@gate.crashing.org> (raw)
In-Reply-To: <20150408210059.GZ19273@tucnak.redhat.com>

On Wed, Apr 08, 2015 at 11:00:59PM +0200, Jakub Jelinek wrote:
> +    case MATCH_CODE:
> +      if (*XSTR (exp, 1) == '\0')
> +	{
> +	  const char *code, *codes = XSTR (exp, 0);
> +	  int ret = 0;
> +	  while ((code = scan_comma_elt (&codes)) != 0)
> +	    if (strncmp (code, "reg", 3) == 0
> +		&& (code[3] == ',' || code[3] == '\0' || code[3] == ' '))

This doesn't allow other whitespace.  Maybe it's cleaner written as e.g.

	&& codes - code == 3

?


Segher

  reply	other threads:[~2015-04-08 22:12 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-08 21:01 Jakub Jelinek
2015-04-08 22:12 ` Segher Boessenkool [this message]
2015-04-08 22:16   ` Segher Boessenkool
2015-04-08 22:20     ` Jakub Jelinek
2015-04-09  6:58       ` Jakub Jelinek
2015-04-09  9:03 ` Jakub Jelinek
2015-04-26 11:11 ` Richard Sandiford
2016-01-12 12:30 ` James Greenhalgh
2016-01-12 12:37   ` Jakub Jelinek

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