[gcc(refs/users/meissner/heads/work212)] Add -mcpu=future tests.

[Michael Meissner via Gcc-cvs]

https://gcc.gnu.org/g:bee22599ac1ac4cc217dbfc432eedb0a4be351ef

commit bee22599ac1ac4cc217dbfc432eedb0a4be351ef
Author: Michael Meissner <meiss...@linux.ibm.com>
Date:   Tue Jun 24 22:12:44 2025 -0400

    Add -mcpu=future tests.
    
    This is patch #3 of 3 to add -mcpu=future support to the PowerPC.
    
    Compared to the previous version of tis patch, I update a comment to say
    _ARCH_FUTURE instead of _ARCH_PWR11 that was a typo.
    
    This patch adds simple tests for -mcpu=future.
    
    I have tested these patches on both big endian and little endian PowerPC
    servers, with no regressions.  Can I check these patchs into the trunk?
    
    2025-06-24  Michael Meissner  <meiss...@linux.ibm.com>
    
    gcc/testsuite/
    
            * gcc.target/powerpc/future-1.c: New test.
            * gcc.target/powerpc/future-2.c: Likewise.

Diff:
---
 gcc/testsuite/gcc.target/powerpc/future-1.c | 13 +++++++++++++
 gcc/testsuite/gcc.target/powerpc/future-2.c | 24 ++++++++++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/gcc/testsuite/gcc.target/powerpc/future-1.c 
b/gcc/testsuite/gcc.target/powerpc/future-1.c
index e69de29bb2d1..7bd8e5ddbd00 100644
--- a/gcc/testsuite/gcc.target/powerpc/future-1.c
+++ b/gcc/testsuite/gcc.target/powerpc/future-1.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-mdejagnu-cpu=future -O2" } */
+
+/* Basic check to see if the compiler supports -mcpu=future and if it defines
+   _ARCH_FUTURE.  */
+
+#ifndef _ARCH_FUTURE
+#error "-mcpu=future is not supported"
+#endif
+
+void foo (void)
+{
+}
diff --git a/gcc/testsuite/gcc.target/powerpc/future-2.c 
b/gcc/testsuite/gcc.target/powerpc/future-2.c
index e69de29bb2d1..5552cefa3c2e 100644
--- a/gcc/testsuite/gcc.target/powerpc/future-2.c
+++ b/gcc/testsuite/gcc.target/powerpc/future-2.c
@@ -0,0 +1,24 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+/* Check if we can set the future target via a target attribute.  */
+
+__attribute__((__target__("cpu=power9")))
+void foo_p9 (void)
+{
+}
+
+__attribute__((__target__("cpu=power10")))
+void foo_p10 (void)
+{
+}
+
+__attribute__((__target__("cpu=power11")))
+void foo_p11 (void)
+{
+}
+
+__attribute__((__target__("cpu=future")))
+void foo_future (void)
+{
+}