* config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38977 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e4ea11f..6397f76 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,7 @@
 2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
 
+       * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
+
        * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
        optimized away.
 

diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index d0142e6..ce50f51 100644 (file)
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -4048,6 +4048,10 @@ sh_expand_epilogue ()
   /* Switch back to the normal stack if necessary.  */
   if (sp_switch)
     emit_insn (gen_sp_switch_2 ());
+
+  /* Tell flow the insn that pops PR isn't dead.  */
+  if (live_regs_mask & (1 << PR_REG))
+    emit_insn (gen_rtx_USE (VOIDmode, gen_rtx_REG (SImode, PR_REG)));
 }
 
 static int sh_need_epilogue_known = 0;