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Re: [PATCH][PR65802] Mark ifn_va_arg with ECF_NOTHROW
- From: "Bin.Cheng" <amker dot cheng at gmail dot com>
- To: Tom de Vries <Tom_deVries at mentor dot com>
- Cc: Richard Biener <rguenther at suse dot de>, GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 24 Apr 2015 11:25:53 +0800
- Subject: Re: [PATCH][PR65802] Mark ifn_va_arg with ECF_NOTHROW
- Authentication-results: sourceware.org; auth=none
- References: <5535F7EF dot 1000305 at mentor dot com>
On Tue, Apr 21, 2015 at 3:10 PM, Tom de Vries <Tom_deVries@mentor.com> wrote:
> Hi,
>
> this patch fixes PR65802.
>
> diff --git a/gcc/testsuite/g++.dg/
pr65802.C b/gcc/testsuite/g++.dg/pr65802.C
> new file mode 100644
> index 0000000..26e5317
> --- /dev/null
> +++ b/gcc/testsuite/g++.dg/pr65802.C
> @@ -0,0 +1,29 @@
> +// { dg-do compile }
> +// { dg-options "-O0" }
> +
> +typedef int tf ();
> +
> +struct S
> +{
> + tf m_fn1;
> +} a;
> +
> +void
> +fn1 ()
> +{
> + try
> + {
> + __builtin_va_list c;
> + {
> + int *d = __builtin_va_arg (c, int *);
> + int **e = &d;
> + __asm__("" : "=d"(e));
Hi, thanks for fixing the issue.
But 'd' is a machine specific constraint? This case failed on all arm
processors.
Thanks,
bin
> + a.m_fn1 ();
> + }
> + a.m_fn1 ();
> + }
> + catch (...)
> + {
> +
> + }
> +}
> OK for trunk?
>
> Thanks,
> - Tom