1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/nios2/custom-fp-4.c b/gcc/testsuite/gcc.target/nios2/custom-fp-4.c
new file mode 100644
index 0000000000..6c5f2a24be
--- /dev/null
+++ b/gcc/testsuite/gcc.target/nios2/custom-fp-4.c
@@ -0,0 +1,29 @@
+/* Test conflict between pragma and attribute specification of custom
+   instructions.  */
+
+/* { dg-do compile } */
+/* { dg-options "-O1 -ffinite-math-only" } */
+
+/* -O1 in the options is significant.  Without it FP operations may not be
+   optimized to custom instructions.  */
+
+#include <stdio.h> 
+#include <math.h>
+
+/* This test case is expected to cause an error because GCC does not know
+   how to merge different custom instruction attribute sets.  The extern
+   declaration sees the options specified by both the pragma and the function
+   attribute, but the function definition sees only the pragma options.  */
+
+#pragma GCC target ("custom-fmaxs=246")
+
+extern void
+custom_fp (float operand_a, float operand_b, float *result)
+  __attribute__ ((target ("custom-fmins=247")));
+
+void
+custom_fp (float operand_a, float operand_b, float *result)
+{   /* { dg-error "conflicting" } */
+  result[0] = fmaxf (operand_a, operand_b);
+  result[1] = fminf (operand_a, operand_b);
+}