Add tests for -mcpu=future that test the generation of PADDI (and PLI which
becomes PADDI).
2020-06-01 Michael Meissner <meiss...@linux.ibm.com>
* gcc.target/powerpc/prefix-add.c: New test.
* gcc.target/powerpc/prefix-si-constant.c: New test.
* gcc.target/powerpc/prefix-di-constant.c: New test.
---
gcc/testsuite/gcc.target/powerpc/prefix-add.c | 14 ++++++++++++++
gcc/testsuite/gcc.target/powerpc/prefix-di-constant.c | 13 +++++++++++++
gcc/testsuite/gcc.target/powerpc/prefix-ds-dq.c | 0
gcc/testsuite/gcc.target/powerpc/prefix-si-constant.c | 12 ++++++++++++
4 files changed, 39 insertions(+)
create mode 100644 gcc/testsuite/gcc.target/powerpc/prefix-add.c
create mode 100644 gcc/testsuite/gcc.target/powerpc/prefix-di-constant.c
create mode 100644 gcc/testsuite/gcc.target/powerpc/prefix-ds-dq.c
create mode 100644 gcc/testsuite/gcc.target/powerpc/prefix-si-constant.c
diff --git a/gcc/testsuite/gcc.target/powerpc/prefix-add.c
b/gcc/testsuite/gcc.target/powerpc/prefix-add.c
new file mode 100644
index 0000000..26ef23e0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/prefix-add.c
@@ -0,0 +1,14 @@
+/* { 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 + 0x12345U;
+}
+
+/* { dg-final { scan-assembler {\mpaddi\M} } } */
+/* { dg-final { scan-assembler-not {\maddi\M} } } */
+/* { dg-final { scan-assembler-not {\maddis\M} } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/prefix-di-constant.c
b/gcc/testsuite/gcc.target/powerpc/prefix-di-constant.c
new file mode 100644
index 0000000..389fdaa
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/prefix-di-constant.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target powerpc_prefixed_addr } */
+/* { dg-require-effective-target lp64 } */
+/* { dg-options "-O2 -mdejagnu-cpu=future" } */
+
+/* Test that PLI (PADDI) is generated to load a large constant. */
+unsigned long long
+large (void)
+{
+ return 0x12345678ULL;
+}
+
+/* { dg-final { scan-assembler {\mpli\M} } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/prefix-ds-dq.c
b/gcc/testsuite/gcc.target/powerpc/prefix-ds-dq.c
new file mode 100644
index 0000000..e69de29
diff --git a/gcc/testsuite/gcc.target/powerpc/prefix-si-constant.c
b/gcc/testsuite/gcc.target/powerpc/prefix-si-constant.c
new file mode 100644
index 0000000..269fc0f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/prefix-si-constant.c
@@ -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} } } */
--
1.8.3.1
