config/m32r/m32r.c (m32r_output_function_epilogue): Care for a large stack #

frame at epilogue.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101759 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d8ac67a..2f84490 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -4,6 +4,9 @@
        (ENDFILE_SPEC): Likewise.
        * config/m32r/m32r.h (ASM_SPEC): Likewise.
 
+       * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
+       a large stack frame at epilogue.
+
 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
 
        * final.c: Include sdbout.h when required.

diff --git a/gcc/config/m32r/m32r.c b/gcc/config/m32r/m32r.c
index d772db0..d6197d3 100644 (file)
--- a/gcc/config/m32r/m32r.c
+++ b/gcc/config/m32r/m32r.c
@@ -1532,11 +1532,19 @@ m32r_output_function_epilogue (FILE * file, HOST_WIDE_INT size ATTRIBUTE_UNUSED)
          else if (reg_offset < 32768)
            fprintf (file, "\tadd3 %s,%s,%s%d\n",
                     sp_str, sp_str, IMMEDIATE_PREFIX, reg_offset);
-         else
+         else if (reg_offset < (1 << 24))
            fprintf (file, "\tld24 %s,%s%d\n\tadd %s,%s\n",
                     reg_names[PROLOGUE_TMP_REGNUM],
                     IMMEDIATE_PREFIX, reg_offset,
                     sp_str, reg_names[PROLOGUE_TMP_REGNUM]);
+         else
+           fprintf (file, "\tseth %s,%s%d\n\tor3 %s,%s,%s%d\n\tadd %s,%s\n",
+                    reg_names[PROLOGUE_TMP_REGNUM],
+                    IMMEDIATE_PREFIX, reg_offset >> 16,
+                    reg_names[PROLOGUE_TMP_REGNUM],
+                    reg_names[PROLOGUE_TMP_REGNUM],
+                    IMMEDIATE_PREFIX, reg_offset & 0xffff,
+                    sp_str, reg_names[PROLOGUE_TMP_REGNUM]);
        }
       else if (frame_pointer_needed)
        {
@@ -1547,11 +1555,19 @@ m32r_output_function_epilogue (FILE * file, HOST_WIDE_INT size ATTRIBUTE_UNUSED)
          else if (reg_offset < 32768)
            fprintf (file, "\tadd3 %s,%s,%s%d\n",
                     sp_str, fp_str, IMMEDIATE_PREFIX, reg_offset);
-         else
+         else if (reg_offset < (1 << 24))
            fprintf (file, "\tld24 %s,%s%d\n\tadd %s,%s\n",
                     reg_names[PROLOGUE_TMP_REGNUM],
                     IMMEDIATE_PREFIX, reg_offset,
                     sp_str, reg_names[PROLOGUE_TMP_REGNUM]);
+         else
+           fprintf (file, "\tseth %s,%s%d\n\tor3 %s,%s,%s%d\n\tadd %s,%s\n",
+                    reg_names[PROLOGUE_TMP_REGNUM],
+                    IMMEDIATE_PREFIX, reg_offset >> 16,
+                    reg_names[PROLOGUE_TMP_REGNUM],
+                    reg_names[PROLOGUE_TMP_REGNUM],
+                    IMMEDIATE_PREFIX, reg_offset & 0xffff,
+                    sp_str, reg_names[PROLOGUE_TMP_REGNUM]);
        }
       else
        gcc_unreachable ();