nvptx doesn't use register allocation and avoids all the postreload
passes. It needs to call thread_prologue_and_epilogue_insns manually
from reorg.
gcc/
* function.c (thread_prologue_and_epilogue_insns): No longer static.
* function.h (thread_prologue_and_epilogue_insns): Declare.
------------------------------------------------------------------------
Index: gcc/function.c
===================================================================
--- gcc/function.c (revision 422424)
+++ gcc/function.c (revision 422425)
@@ -5945,7 +5945,7 @@ emit_return_for_exit (edge exit_fallthru
in a sibcall omit the sibcall_epilogue if the block is not in
ANTIC. */
-static void
+void
thread_prologue_and_epilogue_insns (void)
{
bool inserted;
Index: gcc/function.h
===================================================================
--- gcc/function.h (revision 422424)
+++ gcc/function.h (revision 422425)
@@ -773,6 +773,8 @@ extern void free_after_compilation (stru
extern void init_varasm_status (void);
+extern void thread_prologue_and_epilogue_insns (void);
+
#ifdef RTX_CODE
extern void diddle_return_value (void (*)(rtx, void*), void*);
extern void clobber_return_register (void);
