1 files changed, 54 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr45865.c b/gcc/testsuite/gcc.dg/torture/pr45865.c
new file mode 100644
index 0000000..f2e31db
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr45865.c
@@ -0,0 +1,54 @@
+/* { dg-do compile } */
+
+typedef struct rtx_def *rtx;
+enum machine_mode {
+  VOIDmode,
+  CCFPmode,
+  CCFPUmode,
+  MAX_MACHINE_MODE
+};
+enum mode_class {
+  MODE_CC,
+  MODE_FLOAT,
+  MODE_COMPLEX_FLOAT,
+  MODE_VECTOR_FLOAT
+};
+extern const enum mode_class mode_class[(int) MAX_MACHINE_MODE];
+enum rtx_code {
+  UNKNOWN,
+  GEU,
+  ORDERED,
+  CONST_INT
+};
+struct rtx_def {
+  unsigned int code: 16;
+  unsigned int mode : 8;
+};
+extern enum rtx_code reverse_condition (enum rtx_code);
+enum rtx_code
+reversed_comparison_code_parts (enum rtx_code code, rtx insn, rtx arg0,
+				rtx arg1)
+{
+  enum machine_mode mode;
+  mode = (enum machine_mode) (arg0)->mode;
+  if (mode == VOIDmode)
+    mode = (enum machine_mode) (arg1)->mode;
+  if ((mode_class[(int) (mode)]) == MODE_CC)
+    return (mode != CCFPmode && mode != CCFPUmode
+	    ? reverse_condition (code)
+	    : reverse_condition_maybe_unordered (code));
+  switch (code) 
+    {
+    case GEU:
+      return reverse_condition (code);
+    case ORDERED:
+      return UNKNOWN;
+    }
+  if (((enum rtx_code) (arg0)->code) == CONST_INT
+      || (((enum machine_mode) (arg0)->mode) != VOIDmode
+	  && ! ((mode_class[(int) (mode)]) == MODE_FLOAT
+		|| (mode_class[(int) (mode)]) == MODE_COMPLEX_FLOAT
+		|| (mode_class[(int) (mode)]) == MODE_VECTOR_FLOAT)))
+    return reverse_condition (code);
+  return UNKNOWN;
+}