From patchwork Fri Oct  1 03:27:12 2010
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Subject: [RS6000] PR 45807 r2 eh_frame info error
Date: Thu, 30 Sep 2010 17:27:12 -0000
From: Alan Modra <amodra@gmail.com>
X-Patchwork-Id: 66301
Message-Id: <20101001032712.GE16376@bubble.grove.modra.org>
To: gcc-patches@gcc.gnu.org, David Edelsohn <dje.gcc@gmail.com>

Fixes breakage when building on 64-bit hosts.  Committed.

	PR target/45807
	* config/rs6000/rs6000.c (rs6000_emit_prologue): Properly sign
	extend toc_restore_insn.


Index: gcc/config/rs6000/rs6000.c
===================================================================
--- gcc/config/rs6000/rs6000.c	(revision 164818)
+++ gcc/config/rs6000/rs6000.c	(working copy)
@@ -20234,8 +20242,8 @@ rs6000_emit_prologue (void)
 	 be updated if we arrived at this function via a plt call or
 	 toc adjusting stub.  */
       emit_move_insn (tmp_reg_si, gen_rtx_MEM (SImode, tmp_reg));
-      toc_restore_insn = ((TARGET_32BIT ? 0x80410014 : 0xE8410028)
-			  ^ 0x80000000) - 0x80000000;
+      toc_restore_insn = TARGET_32BIT ? 0x80410014 : 0xE8410028;
+      toc_restore_insn = (toc_restore_insn ^ 0x80000000) - 0x80000000;
       emit_insn (gen_xorsi3 (tmp_reg_si, tmp_reg_si,
 			     GEN_INT (toc_restore_insn & ~0xffff)));
       compare_result = gen_rtx_REG (CCUNSmode, CR0_REGNO);