From: Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
Date: Fri, 8 Jul 2005 10:53:32 +0000 (+0000)
Subject: config/m32r/m32r.c (m32r_output_function_epilogue): Care for a large stack #
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6a7b00ad6d2640c0660ee8f4a1fa9edc5812eb9f;p=gcc.git

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

From-SVN: r101759
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d8ac67a1930..2f84490a063 100644
--- 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 d772db08993..d6197d3da4a 100644
--- 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 ();