Hi
> On 28/feb/2014, at 23:48, Marc Glisse <marc.gli...@inria.fr> wrote:
>
> Hello,
>
> this is a stage 1 patch, and I'll ping it then, but if you have comments
> now...
>
> Passes bootstrap+testsuite on x86_64-linux-gnu.
>
> 2014-02-28 Marc Glisse <marc.gli...@inria.fr>
>
> PR tree-optimization/57742
> gcc/
> * tree-ssa-forwprop.c (simplify_malloc_memset): New function.
> (simplify_builtin_call): Call it.
> gcc/testsuite/
> * g++.dg/tree-ssa/calloc.C: New testcase.
> * gcc.dg/tree-ssa/calloc.c: Likewise.
>
> --
> Marc Glisse
> Index: gcc/testsuite/g++.dg/tree-ssa/calloc.C
> ===================================================================
> --- gcc/testsuite/g++.dg/tree-ssa/calloc.C (revision 0)
> +++ gcc/testsuite/g++.dg/tree-ssa/calloc.C (working copy)
> @@ -0,0 +1,35 @@
> +/* { dg-do compile } */
> +/* { dg-options "-std=gnu++11 -O3 -fdump-tree-optimized" } */
> +
> +#include <new>
> +#include <vector>
> +#include <cstdlib>
> +
> +void g(void*);
> +inline void* operator new(std::size_t sz) _GLIBCXX_THROW (std::bad_alloc)
Unless *really* necessary I would recommend not including the large <vector>
(that also couples quite seriously the front-end testsuite to the library
testsuite, we already discussed those topics in the past). Using the internal
macros seems also unnecessary.
Paolo
