mep.md (eh_epilogue): Defer until after epilogue is emitted.

* config/mep/mep.md (eh_epilogue): Defer until after epilogue is
emitted.

* config/mep/mep.h (LEGITIMATE_CONSTANT_P): New.
* config/mep/mep.c (mep_legitimate_constant_p): New.
* config/mep/mep-protos.h: Prototype it.

From-SVN: r151625

4 files changed, 18 insertions, 2 deletions

diff --git a/gcc/config/mep/mep-protos.h b/gcc/config/mep/mep-protos.h
index a4de754..e53ca79 100644
--- a/gcc/config/mep/mep-protos.h
+++ b/gcc/config/mep/mep-protos.h
@@ -48,6 +48,7 @@ extern void mep_split_wide_move (rtx *, enum machine_mode);
 #ifdef RTX_CODE
 extern bool mep_expand_setcc (rtx *);
 extern rtx mep_expand_cbranch (rtx *);
+extern bool mep_legitimate_constant_p (rtx);
 #endif
 extern const char *mep_emit_cbranch (rtx *, int);
 extern void mep_expand_call (rtx *, int);
diff --git a/gcc/config/mep/mep.c b/gcc/config/mep/mep.c
index 80d3995..6ff6405 100644
--- a/gcc/config/mep/mep.c
+++ b/gcc/config/mep/mep.c
@@ -1211,6 +1211,20 @@ mep_multi_slot (rtx x)
 }
 
 
+bool
+mep_legitimate_constant_p (rtx x)
+{
+  /* We can't convert symbol values to gp- or tp-rel values after
+     reload, as reload might have used $gp or $tp for other
+     purposes.  */
+  if (GET_CODE (x) == SYMBOL_REF && (reload_in_progress || reload_completed))
+    {
+      char e = mep_section_tag (x);
+      return (e != 't' && e != 'b');
+    }
+  return 1;
+}
+
 /* Be careful not to use macros that need to be compiled one way for
    strict, and another way for not-strict, like REG_OK_FOR_BASE_P.  */
 
diff --git a/gcc/config/mep/mep.h b/gcc/config/mep/mep.h
index cb09c30..39837df 100644
--- a/gcc/config/mep/mep.h
+++ b/gcc/config/mep/mep.h
@@ -599,7 +599,8 @@ typedef struct
 
 #define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR, LABEL)
 
-#define LEGITIMATE_CONSTANT_P(X) 1
+#define LEGITIMATE_CONSTANT_P(X) \
+  mep_legitimate_constant_p(X)
 
 #define SELECT_CC_MODE(OP, X, Y)  CCmode
 
diff --git a/gcc/config/mep/mep.md b/gcc/config/mep/mep.md
index 20beef6..773a9a0 100644
--- a/gcc/config/mep/mep.md
+++ b/gcc/config/mep/mep.md
@@ -2192,7 +2192,7 @@
    (use (reg:SI LP_REGNO))]
   ""
   "#"
-  "reload_completed"
+  "epilogue_completed"
   [(const_int 1)]
   "mep_emit_eh_epilogue (operands); DONE;"
   [(set_attr "slot" "multi")])