gas/

	* config/tc-i386.c (parse_insn): Don't complain about REP prefix
	when the template has opcode_modifier.repprefixok set.
	* NEWS: Mention the change.

gas/testsuite/
	* gas/i386/rep-bsf.d: New file.
	* gas/i386/rep-bsf.s: New file.
	* gas/i386/i386.exp: Add the new test.

opcodes/
	* i386-opc.h (RepPrefixOk): New enum constant.
	(i386_opcode_modifier): New bitfield 'repprefixok'.
	* i386-gen.c (opcode_modifiers): Add RepPrefixOk.
	* i386-opc.tbl: Add RepPrefixOk to bsf, bsr, and to all
	instructions that have IsString.
	* i386-tbl.h: Regenerate.

1 files changed, 3 insertions, 3 deletions

diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index d2b4927..4701e6d 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -3528,13 +3528,13 @@ skip:
       as_warn (_("use .code16 to ensure correct addressing mode"));
     }
 
-  /* Check for rep/repne without a string instruction.  */
+  /* Check for rep/repne without a string (or other allowed) instruction.  */
   if (expecting_string_instruction)
     {
       static templates override;
 
       for (t = current_templates->start; t < current_templates->end; ++t)
-	if (t->opcode_modifier.isstring)
+	if (t->opcode_modifier.repprefixok)
 	  break;
       if (t >= current_templates->end)
 	{
@@ -3543,7 +3543,7 @@ skip:
 	  return NULL;
 	}
       for (override.start = t; t < current_templates->end; ++t)
-	if (!t->opcode_modifier.isstring)
+	if (!t->opcode_modifier.repprefixok)
 	  break;
       override.end = t;
       current_templates = &override;