From: amodra <amodra>
Date: Fri, 11 Oct 2002 00:25:32 +0000 (+0000)
Subject: 	* config/tc-i386.c (output_jump): Set fx_signed for loop/jcxz.
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=ab9098f8a818a7167f7c2f21925d4d6e4c186ec5;p=pf3gnuchains%2Fpf3gnuchains3x.git

	* config/tc-i386.c (output_jump): Set fx_signed for loop/jcxz.
	(md_estimate_size_before_relax): Likewise for 8 bit branches.
---

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 5f9a5be3bb..46379a2d9d 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,9 @@
+2002-10-11  Michel Six  <msix@ccr.jussieu.fr>
+	    Alan Modra  <amodra@bigpond.net.au>
+
+	* config/tc-i386.c (output_jump): Set fx_signed for loop/jcxz.
+	(md_estimate_size_before_relax): Likewise for 8 bit branches.
+
 Thu Oct 10 14:31:30 2002  J"orn Rennecke <joern.rennecke@superh.com>
 
 	* config/tc-sh.c (assemble_ppi): Initialize reg_x / reg_y / reg_n
@@ -22,12 +28,12 @@ Thu Oct 10 14:31:30 2002  J"orn Rennecke <joern.rennecke@superh.com>
 	(TC_FORCE_RELOCATION): Tidy arg.
 
 2002-09-30  Gavin Romig-Koch  <gavin@redhat.com>
-            Ken Raeburn  <raeburn@cygnus.com>
-            Aldy Hernandez  <aldyh@redhat.com>
-            DJ Delorie  <dj@redhat.com>
-            Michael Meissner  <meissner@redhat.com>
-            Eric Christopher  <echristo@redhat.com>
-            Richard Sandiford  <rsandifo@redhat.com>
+	    Ken Raeburn  <raeburn@cygnus.com>
+	    Aldy Hernandez  <aldyh@redhat.com>
+	    DJ Delorie  <dj@redhat.com>
+	    Michael Meissner  <meissner@redhat.com>
+	    Eric Christopher  <echristo@redhat.com>
+	    Richard Sandiford  <rsandifo@redhat.com>
 
 	* doc/c-mips.texi: Add entries for -march=vr4120,vr4130,vr4181,
 	vr5400 and vr5500.  Add entry for -mfix-vr4122-bugs.
@@ -53,7 +59,7 @@ Thu Oct 10 14:31:30 2002  J"orn Rennecke <joern.rennecke@superh.com>
 	twice if howto->pcrel_offset is true.
 
 2002-09-28  Matt Thomas  <matt@3am-software.com>
-            Jason Thorpe  <thorpej@wasabisystems.com>
+	    Jason Thorpe  <thorpej@wasabisystems.com>
 
 	* config/tc-vax.c (md_estimate_size_before_relax): Only try to
 	convert undefined references to GOT32/PLT32 if PIC code is
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index b91b2bb996..c7af77c778 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -3000,6 +3000,7 @@ output_jump ()
 {
   char *p;
   int size;
+  fixS *fixP;
 
   if (i.tm.opcode_modifier & JumpByte)
     {
@@ -3050,8 +3051,14 @@ output_jump ()
   p = frag_more (1 + size);
   *p++ = i.tm.base_opcode;
 
-  fix_new_exp (frag_now, p - frag_now->fr_literal, size,
-	       i.op[0].disps, 1, reloc (size, 1, 1, i.reloc[0]));
+  fixP = fix_new_exp (frag_now, p - frag_now->fr_literal, size,
+		      i.op[0].disps, 1, reloc (size, 1, 1, i.reloc[0]));
+
+  /* All jumps handled here are signed, but don't use a signed limit
+     check for 32 and 16 bit jumps as we want to allow wrap around at
+     4G and 64k respectively.  */
+  if (size == 1)
+    fixP->fx_signed = 1;
 }
 
 static void
@@ -4394,11 +4401,14 @@ md_estimate_size_before_relax (fragP, segment)
 	case COND_JUMP:
 	  if (no_cond_jump_promotion && fragP->fr_var == NO_RELOC)
 	    {
+	      fixS *fixP;
+
 	      fragP->fr_fix += 1;
-	      fix_new (fragP, old_fr_fix, 1,
-		       fragP->fr_symbol,
-		       fragP->fr_offset, 1,
-		       BFD_RELOC_8_PCREL);
+	      fixP = fix_new (fragP, old_fr_fix, 1,
+			      fragP->fr_symbol,
+			      fragP->fr_offset, 1,
+			      BFD_RELOC_8_PCREL);
+	      fixP->fx_signed = 1;
 	      break;
 	    }