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
+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} } } */
--
Michael Meissner, IBM
IBM, M/S 2506R, 550 King Street, Littleton, MA 01460-6245, USA
email: meiss...@linux.ibm.com, phone: +1 (978) 899-4797
