(FUNCTION_{PRO,EPI}LOGUE): Add code to adjust stack when no frame

pointer.

From-SVN: r8415

diff --git a/gcc/config/m68k/crds.h b/gcc/config/m68k/crds.h
index 2799a4e24b74c6087deaebfeee33d085e2ee1156..edcacdf944d236ccc0d0754f80767c1686f77ebd 100644 (file)
--- a/gcc/config/m68k/crds.h
+++ b/gcc/config/m68k/crds.h
@@ -493,6 +493,18 @@ do {  int i;                                                               \
         fprintf (FILE, "\tlink a6,$%d\n", -fsize);             \
       else                                                     \
        fprintf (FILE, "\tlink a6,$0\n\tsubl $%d,sp\n", fsize); }  \
+  else if (fsize)                                                    \
+    {                                                                \
+      /* Adding negative number is faster on the 68040.  */          \
+      if (fsize + 4 < 0x8000)                                        \
+       {                                                             \
+         fprintf (FILE, "\tadd.w #%d,sp\n", - (fsize + 4));          \
+       }                                                             \
+      else                                                           \
+       {                                                             \
+         fprintf (FILE, "\tadd.l #%d,sp\n", - (fsize + 4));          \
+       }                                                             \
+    }                                                                \
   for (regno = 24; regno < 56; regno++)                                \
     if (regs_ever_live[regno] && ! call_used_regs[regno])      \
       fprintf(FILE, "\tfpmoved %s, sp@-\n",                    \
@@ -602,6 +614,17 @@ do {  int i;                                                               \
       }                                                                \
   if (frame_pointer_needed)                                    \
     fprintf (FILE, "\tunlk a6\n");                             \
+  else if (fsize)                                                     \
+    {                                                                 \
+      if (fsize + 4 < 0x8000)                                         \
+       {                                                             \
+         fprintf (FILE, "\tadd.w #%d,sp\n", fsize + 4);              \
+       }                                                             \
+      else                                                            \
+       {                                                             \
+         fprintf (FILE, "\tadd.l #%d,sp\n", fsize + 4);              \
+       }                                                             \
+    }                                                                 \
   if (current_function_pops_args)                              \
     fprintf (FILE, "\trtd $%d\n", current_function_pops_args); \
   else fprintf (FILE, "\trts\n"); }