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Diffstat (limited to 'gcc/testsuite/gcc.target/mips/r10k-cache-barrier-9.c')
-rw-r--r--gcc/testsuite/gcc.target/mips/r10k-cache-barrier-9.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-9.c b/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-9.c
new file mode 100644
index 000000000..67b52f92d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-9.c
@@ -0,0 +1,19 @@
+/* { dg-options "-O2 -mr10k-cache-barrier=store -G8" } */
+
+/* Test that out-of-range stores to components of static objects
+ are protected by a cache barrier. */
+
+struct { struct { char i[4]; } a; struct { char j[4]; } b; } s;
+
+NOMIPS16 void
+foo (int sel1, int sel2, int sel3)
+{
+ if (sel1)
+ s.a.i[8] = 1;
+ if (sel2)
+ s.b.j[4] = 100;
+ if (sel3)
+ s.a.i[-1] = 0;
+}
+
+/* { dg-final { scan-assembler-times "\tcache\t" 3 } } */