On 18/06/12 16:40, Greta Yorsh wrote:
> This test relies on epilogue generated in RTL to provide register liveness
> information that enables peephole optimization.
>
> OK for trunk?
>
> Thanks,
> Greta
>
>
> 2012-06-18 Joey Ye <joey...@arm.com>
> Greta Yorsh <greta.yo...@arm.com>
>
> * gcc.target/arm/epilog-1.c: New test.
>
>
> test-epilog-1.patch.txt
>
>
> diff --git a/gcc/testsuite/gcc.target/arm/epilog-1.c
> b/gcc/testsuite/gcc.target/arm/epilog-1.c
> new file mode 100644
> index 0000000..f97f1eb
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/arm/epilog-1.c
> @@ -0,0 +1,17 @@
> +/* Register liveness information from epilgoue enables peephole
> optimization. */
> +/* { dg-do compile } */
> +/* { dg-options "-mthumb -Os" } */
> +/* { dg-require-effective-target arm_thumb2_ok } */
> +
> +volatile int g_k;
> +extern void bar(int, int, int, int);
> +
> +int foo(int a, int b, int c, int d)
> +{
> + if (g_k & 4) c++;
> + bar (a, b, c, d);
> + return 0;
> +}
> +
> +/* { dg-final { scan-assembler-times "lsls.*#29" 1 } } */
> +/* { dg-final { scan-assembler-not "tst" } } */
OK.
R.
