On Wed, Sep 28, 2011 at 12:18 PM, Kirill Yukhin <kirill.yuk...@gmail.com> wrote:
> Hi folks,
> I have a question. For DejaGNU we have only one option for each test.
>
> It may be e.g. either "dg-do" compile or "dg-do run". This is really
> not as suitable
>
> For instance, we cheking some new instructio autogeneration. We have
> to do 2 tests:
> 1. We have to write some routine which will contain a pattern which
> will be generated as desired instruction. And check at runtime if that
> was done correctly, comparing to some expected result. We use "dg-do
> run here"
> 2. Next we have to check that instruction really is auto generated,
> so we use "scan-assembler" for that source.
>
> May question is: am I missed something? Is there an opportunity to
> store to tests into single file? If no, why we do not have one?
Add -save-temps via dg-options, then you can use dg-scan-assembler.
> Here is reduced example (from gcc.target/i386):
> 1.
> /* run.c */
> /* { dg-do run } */
>
> int
> auto_gen_insn(args...)
> {
> /* Code to auto-gen instruction. */
> return result;
> }
>
> int
> check_semantic(args...)
> {
> /* Code to do the same, but without desired insn. */
> return result
> }
>
> int
> main ()
> {
> if( auto_gen_insn(args...) != check_semantic(args...) )
> abort ();
> }
>
> 2.
> /* check_gen.c */
> /* { dg-do compile } */
> #include "run.c"
> /* { dg-final { scan-assembler-times "insn" 1 } } */
>
> --
> Thanks, k
>
