On 08/09/2012 06:46 PM, William J. Schmidt wrote:
> As suggested by Janis regarding testsuite/gcc.dg/tree-ssa/slsr-30.c,
> this patch adds a new effective target for machines having long and int
> of differing sizes.
>
> Tested on powerpc64-unknown-linux-gnu, where the test passes for -m64
> and is skipped for -m32. Ok for trunk?
OK!
Janis
> Thanks,
> Bill
>
>
> doc:
>
> 2012-08-09 Bill Schmidt <wschm...@linux.vnet.ibm.com>
>
> * sourcebuild.texi: Document long_neq_int effective target.
>
>
> testsuite:
>
> 2012-08-09 Bill Schmidt <wschm...@linux.vnet.ibm.com>
>
> * lib/target-supports.exp (check_effective_target_long_neq_int): New.
> * gcc.dg/tree-ssa/slsr-30.c: Check for long_neq_int effective target.
>
>
> Index: gcc/doc/sourcebuild.texi
> ===================================================================
> --- gcc/doc/sourcebuild.texi (revision 190260)
> +++ gcc/doc/sourcebuild.texi (working copy)
> @@ -1303,6 +1303,9 @@ Target has @code{int} that is at 32 bits or longer
> @item int16
> Target has @code{int} that is 16 bits or shorter.
>
> +@item long_neq_int
> +Target has @code{int} and @code{long} with different sizes.
> +
> @item large_double
> Target supports @code{double} that is longer than @code{float}.
>
> Index: gcc/testsuite/lib/target-supports.exp
> ===================================================================
> --- gcc/testsuite/lib/target-supports.exp (revision 190260)
> +++ gcc/testsuite/lib/target-supports.exp (working copy)
> @@ -1689,6 +1689,15 @@ proc check_effective_target_llp64 { } {
> }]
> }
>
> +# Return 1 if long and int have different sizes,
> +# 0 otherwise.
> +
> +proc check_effective_target_long_neq_int { } {
> + return [check_no_compiler_messages long_ne_int object {
> + int dummy[sizeof (int) != sizeof (long) ? 1 : -1];
> + }]
> +}
> +
> # Return 1 if the target supports long double larger than double,
> # 0 otherwise.
>
> Index: gcc/testsuite/gcc.dg/tree-ssa/slsr-30.c
> ===================================================================
> --- gcc/testsuite/gcc.dg/tree-ssa/slsr-30.c (revision 190260)
> +++ gcc/testsuite/gcc.dg/tree-ssa/slsr-30.c (working copy)
> @@ -1,7 +1,7 @@
> /* Verify straight-line strength reduction fails for simple integer addition
> with casts thrown in when -fwrapv is used. */
>
> -/* { dg-do compile { target { ! { ilp32 } } } } */
> +/* { dg-do compile { target { long_neq_int } } } */
> /* { dg-options "-O3 -fdump-tree-dom2 -fwrapv" } */
>
> long
>
>
