From: Richard Biener <richard.guenther@gmail.com>
To: Marek Polacek <polacek@redhat.com>
Cc: "Joseph S. Myers" <joseph@codesourcery.com>,GCC Patches
<gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH] Fix PR56344
Date: Mon, 02 Dec 2013 20:35:00 -0000 [thread overview]
Message-ID: <c9f53694-84a1-4975-aed7-b5c305d1f2ee@email.android.com> (raw)
In-Reply-To: <20131202191916.GH9986@redhat.com>
Marek Polacek <polacek@redhat.com> wrote:
>On Mon, Dec 02, 2013 at 05:40:33PM +0100, Marek Polacek wrote:
>> On Mon, Dec 02, 2013 at 04:01:05PM +0100, Richard Biener wrote:
>> > On Wed, Mar 13, 2013 at 1:57 PM, Marek Polacek <polacek@redhat.com>
>wrote:
>> > > Ping.
>> >
>> > Ok. (yay, oldest patch in my review queue ...)
>>
>> ;) thanks. Just to be sure, did you mean to ok this patch (that is,
>> the one with HOST_BITS_PER_INT)?
Yes, thanks,
Richard.
>> Bootstrap/regtest in progress.
>>
>> 2013-12-02 Marek Polacek <polacek@redhat.com>
>>
>> PR middle-end/56344
>> * calls.c (expand_call): Disallow passing huge arguments
>> by value.
>>
>> --- gcc/calls.c.mp4 2013-12-02 17:12:18.621057873 +0100
>> +++ gcc/calls.c 2013-12-02 17:32:35.523684716 +0100
>> @@ -3047,6 +3047,15 @@ expand_call (tree exp, rtx target, int i
>> {
>> rtx before_arg = get_last_insn ();
>>
>> + /* We don't allow passing huge (> 2^30 B) arguments
>> + by value. It would cause an overflow later on. */
>> + if (adjusted_args_size.constant
>> + >= (1 << (HOST_BITS_PER_INT - 1)))
>
>Surely I meant to use "HOST_BITS_PER_INT - 2" here.
>
> Marek
prev parent reply other threads:[~2013-12-02 20:35 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-26 18:27 Marek Polacek
2013-02-26 23:17 ` Joseph S. Myers
2013-02-27 9:56 ` Marek Polacek
2013-02-27 11:33 ` Richard Biener
2013-02-27 17:38 ` Joseph S. Myers
2013-03-01 8:41 ` Richard Biener
2013-03-05 16:06 ` Marek Polacek
2013-03-13 12:57 ` Marek Polacek
2013-12-02 15:01 ` Richard Biener
2013-12-02 16:40 ` Marek Polacek
2013-12-02 19:19 ` Marek Polacek
2013-12-02 20:35 ` Richard Biener [this message]
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