Feature request: Set the direction flag on x86/x64 register->register operations

[H.J. Lu]

On Sat, Dec 20, 2008 at 01:47:17AM +0100, Stefan Dösinger wrote:
>  
> > Here is the updated patch. I changed ".r" to ".s". I also removed
> > FloatD since you can encode them differently
> > with %st vs %st(0).   Stefan, does it work for you?
> Looks good on a quick check
> 

I am checking in this patch.


H.J.
---
gas/

2008-12-20  H.J. Lu  <hongjiu.lu@intel.com>

	* config/tc-i386.c (_i386_insn): Add swap_operand.
	(parse_insn): Handle ".s".
	(match_template): Handle swap_operand.

	* doc/c-i386.texi: Document .s suffix.

gas/testsuite/

2008-12-20  H.J. Lu  <hongjiu.lu@intel.com>

	* gas/i386/i386.exp: Run opts, opts-intel, sse2avx-opts,
	sse2avx-opts-intel, x86-64-opts, x86-64-opts-intel,
	x86-64-sse2avx-opts and x86-64-sse2avx-opts-intel.

	* gas/i386/opts.d: New.
	* gas/i386/opts-intel.d: Likewise.
	* gas/i386/opts.s: Likewise.
	* gas/i386/sse2avx-opts.d: Likewise.
	* gas/i386/sse2avx-opts-intel.d: Likewise.
	* gas/i386/x86-64-opts.d: Likewise.
	* gas/i386/x86-64-opts-intel.d: Likewise.
	* gas/i386/x86-64-opts.s: Likewise.
	* gas/i386/x86-64-sse2avx-opts.d: Likewise.
	* gas/i386/x86-64-sse2avx-opts-intel.d: Likewise.

opcodes/

2008-12-20  H.J. Lu  <hongjiu.lu@intel.com>

	* i386-dis.c (EbS): New.
	(EvS): Likewise.
	(EMS): Likewise.
	(EXqS): Likewise.
	(EXxS): Likewise.
	(b_swap_mode): Likewise.
	(v_swap_mode): Likewise.
	(q_swap_mode): Likewise.
	(x_swap_mode): Likewise.
	(v_mode): Updated.
	(w_mode): Likewise.
	(t_mode): Likewise.
	(xmm_mode): Likewise.
	(swap_operand): Likewise.
	(dis386): Use EbS on movB.  Use EvS on moveS.
	(dis386_twobyte): Use EXxS on movapX.
	(prefix_table): Use EXxS on movups, movupd, movdqu, movdqa,
	vmovups, vmovdqu, vmovdqa. Use EMS and EXqS on movq.
	(vex_table): Use EXxS on vmovapX.
	(vex_len_table): Use EXqS on vmovq.
	(intel_operand_size): Handle b_swap_mode, v_swap_mode,
	q_swap_mode and x_swap_mode.
	(OP_E_register): Handle b_swap_mode and v_swap_mode.
	(OP_EM): Handle v_swap_mode.
	(OP_EX): x_swap_mode and q_swap_mode.

	* i386-gen.c (opcode_modifiers): Add S.

	* i386-opc.h (S): New.
	(Modrm): Updated.
	(i386_opcode_modifier): Add s.

	* i386-opc.tbl: Add S to movapd, movaps, movdqa, movdqu, movq,
	movupd, movups, vmovapd, vmovaps, vmovdqa, vmovdqu and vmovq.
	* i386-tbl.h: Regenerated.

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