Use movl instead of movabs for x32.

2011-07-10  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_trampoline_init): Use movl instead
	of movabs for x32.

From-SVN: r176129

gcc/ChangeLog

+2011-07-10  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* config/i386/i386.c (ix86_trampoline_init): Use movl instead
+	of movabs for x32.
+
 2011-07-10  Richard Henderson  <rth@redhat.com>
 
 	* config/i386/i386.c (x86_output_mi_thunk): Generate rtl and

gcc/config/i386/i386.c

@@ -22730,7 +22730,7 @@ ix86_trampoline_init (rtx m_tramp, tree fndecl, rtx chain_value)
     }
   else
     {
-      int offset = 0;
+      int offset = 0, size;
 
       /* Load the function address to r11.  Try to load address using
 	 the shorter movl instead of movabs.  We may want to support
@@ -22759,11 +22759,21 @@ ix86_trampoline_init (rtx m_tramp, tree fndecl, rtx chain_value)
 
       /* Load static chain using movabs to r10.  */
       mem = adjust_address (m_tramp, HImode, offset);
-      emit_move_insn (mem, gen_int_mode (0xba49, HImode));
+      /* Use the shorter movl instead of movabs for x32.  */
+      if (TARGET_X32)
+	{
+	  size = 6;
+	  emit_move_insn (mem, gen_int_mode (0xba41, HImode));
+	}
+      else
+	{
+	  size = 10;
+	  emit_move_insn (mem, gen_int_mode (0xba49, HImode));
+	}
 
-      mem = adjust_address (m_tramp, DImode, offset + 2);
+      mem = adjust_address (m_tramp, ptr_mode, offset + 2);
       emit_move_insn (mem, chain_value);
-      offset += 10;
+      offset += size;
 
       /* Jump to r11; the last (unused) byte is a nop, only there to
 	 pad the write out to a single 32-bit store.  */