On Mon, 2020-04-27 at 15:48 -0400, Michael Meissner via Gcc-patches
wrote:
> Add tests for generating PLI/PADDI with -mcpu=future.
>
> This is patch #2 of 7. This patch was run on a little endian power8
> system
> running Linux and the patches succeeded.
>
> 2020-04-27 Michael Meissner <meiss...@linux.ibm.com>
>
> * gcc.target/powerpc/prefix-add.c: New test for -mcpu=future
> generating PADDI for large constant adds.
> * gcc.target/powerpc/prefix-di-constant.c: New test for
> -mcpu=future generating PLI to load up large DImode constants.
> * gcc.target/powerpc/prefix-si-constant.c: New test for
> -mcpu=future generating PLI to load up large SImode constants.
>
> --- /tmp/V53gPm_prefix-add.c 2020-04-27 13:51:49.231124761 -0400
> +++ gcc/testsuite/gcc.target/powerpc/prefix-add.c 2020-04-27
> 13:51:38.392270487 -0400
> @@ -0,0 +1,12 @@
> +/* { dg-do compile } */
> +/* { dg-require-effective-target powerpc_prefixed_addr } */
> +/* { dg-options "-O2 -mdejagnu-cpu=future" } */
> +
> +/* Test that PADDI is generated to add a large constant. */
> +unsigned long
Just 'long' or should that be 'long long' ?
otherwise, seems straightforward.
lgtm.
thanks,
-Will
> +add (unsigned long a)
> +{
> + return a + 0x12345678UL;
> +}
> +
> +/* { dg-final { scan-assembler {\mpaddi\M} } } */
> --- /tmp/5x1erh_prefix-di-constant.c 2020-04-27 13:51:49.239124653 -0400
> +++ gcc/testsuite/gcc.target/powerpc/prefix-di-constant.c 2020-04-27
> 13:51:38.396270434 -0400
> @@ -0,0 +1,12 @@
> +/* { dg-do compile } */
> +/* { dg-require-effective-target powerpc_prefixed_addr } */
> +/* { dg-options "-O2 -mdejagnu-cpu=future" } */
> +
> +/* Test that PLI (PADDI) is generated to load a large constant. */
> +unsigned long
> +large (void)
> +{
> + return 0x12345678UL;
> +}
> +
> +/* { dg-final { scan-assembler {\mpli\M} } } */
> --- /tmp/NGLE4b_prefix-si-constant.c 2020-04-27 13:51:49.246124559 -0400
> +++ gcc/testsuite/gcc.target/powerpc/prefix-si-constant.c 2020-04-27
> 13:51:38.400270380 -0400
> @@ -0,0 +1,12 @@
> +/* { dg-do compile } */
> +/* { dg-require-effective-target powerpc_prefixed_addr } */
> +/* { dg-options "-O2 -mdejagnu-cpu=future" } */
> +
> +/* Test that PLI (PADDI) is generated to load a large constant for SImode.
> */
> +void
> +large_si (unsigned int *p)
> +{
> + *p = 0x12345U;
> +}
> +
> +/* { dg-final { scan-assembler {\mpli\M} } } */
>
