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-rw-r--r--gcc/testsuite/gcc.dg/sparc-trap-1.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/sparc-trap-1.c b/gcc/testsuite/gcc.dg/sparc-trap-1.c
new file mode 100644
index 00000000000..a516a886495
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/sparc-trap-1.c
@@ -0,0 +1,20 @@
+/* PR target/15693 */
+/* { dg-do compile { target sparc*-*-* } } */
+/* { dg-options "-O2" } */
+
+/* This used to fail on SPARC at -O2 because the combiner
+ produces a compare insn that was not rematched by the
+ compare expander. */
+
+static __inline__ __attribute__ ((always_inline))
+int page_mapping (unsigned flags)
+{
+ if (1u & (flags >> 16))
+ return 1;
+ return 0;
+}
+void install_page (unsigned flags)
+{
+ if (__builtin_expect (!page_mapping (flags), 0))
+ __builtin_trap ();
+}