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4498e3d641
* config/tc-i386.c (check_prefix): New static function, split out from md_assemble. (struct _i386_insn): Add wait_prefix field. (md_assemble): Remove wait_prefix local variable. Use check_prefix when adding a prefix. * config/tc-i386.c (current_templates): New static variable. (md_assemble): Remove current_templates local variable. (md_assemble, i386_operand): Improve error and warning messages in many places. Add RESTORE_END_STRING in many places before error return. Clarify some comments. * config/tc-i386.c (struct _i386_insn): Change seg field to a two element array. (md_assemble): Parse string instruction operands, looking for segment override prefixes. Check for invalid segment prefixes on string instruction. (i386_operand): i.seg[] and max mem_operand changes for string insns. * config/tc-i386.h (EsSeg): Define. * config/tc-i386.h (regKludge): Define. (iclrKludge, imulKludge): Don't define. * config/tc-i386.c (md_assemble): Merge imulKludge and iclrKludge code. Move ReverseRegRegmem fudges into Modrm case. Reorder opcode_modifier checks to look for more common cases first. Add default_seg for IsString case.