From: rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 6 Mar 2007 09:04:09 +0000 (+0000)
Subject: gcc/
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d68ee78f8928de76dee6b8c926ceeb1cae59cb23;p=thirdparty%2Fgcc.git

gcc/
	* config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
	functions that need a constant pool.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@122610 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 69978a316861..249d3e85dbd6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2007-03-06  Richard Sandiford  <richard@codesourcery.com>
+
+	* config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
+	functions that need a constant pool.
+
 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 
 	PR target/28181
diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c
index b702f85e47f4..1d7b44864c14 100644
--- a/gcc/config/m68k/m68k.c
+++ b/gcc/config/m68k/m68k.c
@@ -749,6 +749,13 @@ m68k_save_reg (unsigned int regno, bool interrupt_handler)
     {
       if (current_function_uses_pic_offset_table)
 	return true;
+      /* Reload may introduce constant pool references into a function
+	 that thitherto didn't need a PIC register.  Note that the test
+	 above will not catch that case because we will only set
+	 current_function_uses_pic_offset_table when emitting
+	 the address reloads.  */
+      if (current_function_uses_const_pool)
+	return true;
     }
 
   if (current_function_calls_eh_return)