(print_operand, case 'F'): If we have to do the last prolog insn, give

that priority for an unfilled delay slot.

From-SVN: r6369

diff --git a/gcc/config/a29k/a29k.c b/gcc/config/a29k/a29k.c
index c4ec53d03afbc71c201a0bb7a2cda41dbd3a49a5..10a08b2379fcc491e8f2eb293f6db9565825da0c 100644 (file)
--- a/gcc/config/a29k/a29k.c
+++ b/gcc/config/a29k/a29k.c
@@ -1,5 +1,5 @@
 /* Subroutines used for code generation on AMD Am29000.
-   Copyright (C) 1987, 88, 90, 91, 92, 1993 Free Software Foundation, Inc.
+   Copyright (C) 1987, 88, 90, 91, 92, 93, 1994 Free Software Foundation, Inc.
    Contributed by Richard Kenner (kenner@nyu.edu)
 
 This file is part of GNU CC.
@@ -1031,7 +1031,16 @@ print_operand (file, x, code)
       output_addr_const (file, x);
       if (dbr_sequence_length () == 0)
        {
-         if (GET_CODE (x) == SYMBOL_REF
+         /* If this doesn't have its delay slot filled, see if we need to
+            put the last insn of the prolog in it.  If not, see if this is
+            a recursive call.  If so, we can put the first insn of its
+            prolog in the delay slot.  Otherwise, write a nop.  */
+         if (a29k_last_prologue_insn)
+           {
+             fprintf (file, "\n\t%s", a29k_last_prologue_insn);
+             a29k_last_prologue_insn = 0;
+           }
+         else if (GET_CODE (x) == SYMBOL_REF
              && ! strcmp (XSTR (x, 0), current_function_name))
            fprintf (file, "+4\n\t%s,%d",
                     a29k_regstack_size >= 64 ? "const gr121" : "sub gr1,gr1",