/******************************************************************************/
/*                                                                            */
/*			Group 1 : Load instructions			      */
/*							 		      */
/******************************************************************************/


C_loc		==>	"pushl ~$1".

C_ldc		==>	"movq ~$1, -(sp)".

C_lol		
	$1 < 0 	==> 	"pushl $1(fp)".
	default		==> 	"pushl $1+4(ap)".

C_loe..		==> 	"pushl $1 + $2". 

C_lil		
	$1 < 0	==> 	"movl $1(fp), r0";
				"pushl (r0)".
	default		==> 	"movl $1+4(ap), r0";
				"pushl (r0)".

C_lof		==> 	"movl (sp)+, r0";
			"pushl $1(r0)".

C_lal	
	$1 < 0	==> 	"pushal $1(fp)".
	default		==> 	"pushal $1+4(ap)".
	
C_lae..		==> 	"pushal $1 + $2".

C_lxl		
  	$1 == 0	==>	"pushl fp".
  	$1 == 1	==>	"pushl 4(ap)".
  	default		==>	"movl ~$1, r0";
				"jsb .lxl";
				"pushl r0".

C_lxa
  	$1 == 0 	==>	"addl3 ~4, ap, -(sp)".
  	$1 == 1 	==>	"movl 4(ap), r0";
				"jsb .lpb";
				"pushl r0".
  	default		==>	"movl ~$1, r0";
				"jsb .lxa";
				"pushl r0".

C_loi		
  	$1 == 1	==>	"movl (sp)+, r0";
				"clrl -(sp)";
				"movb (r0), (sp)".
  	$1 == 2	==>	"movl (sp)+, r0";
				"clrl -(sp)";
				"movw (r0), (sp)".
  	$1 == 4	==>	"movl (sp)+, r0";
				"pushl (r0)".
  	$1 == 8	==>	"movl (sp)+, r0";
				"movq (r0), -(sp)".
  	$1 % 4 == 0	==>	"movl (sp)+, r0";
				"movl ~$1/4, r1";
				"addl2 ~$1, r0";	
				"2:";
				"movl -(r0), -(sp)";
				"sobgtr r1, 2b".
	default		==> 	arg_error( "loi", $1).


C_los		==> 	"movl ~$1, r0";
			"jsb .los".


C_los_narg	==> 	"movl (sp)+, r0";
			"jsb .los".

C_ldl		
	$1 < 0	==> 	"movq $1(fp), -(sp)".
	default		==> 	"movq $1+4(ap), -(sp)".

C_lde..		==> 	"movq $1 + $2, -(sp)".
		
C_ldf		==> 	"movl (sp)+, r0";
			"movq $1(r0), -(sp)".

C_lpi		==> 	"pushal $1".


/******************************************************************************/
/*                                                                            */
/*			Group 2 : Store instructions			      */
/*							 		      */
/******************************************************************************/

C_stl		
	$1 < 0 	==> 	"movl (sp)+, $1(fp)".
	default		==> 	"movl (sp)+, $1+4(ap)".

C_ste..		==> 	"movl (sp)+, $1 + $2".

C_sil		
	$1 < 0 	==> 	"movl $1(fp) , r0";
				"movl (sp)+, (r0)".
	default		==> 	"movl $1+4(ap), r0";
				"movl (sp)+, (r0)".

C_stf		==> 	"movl (sp)+, r0";
			"movl (sp)+, $1(r0)".

C_sti		
			
  	$1 == 1	==>	"movl (sp)+, r0";	
				"movl (sp)+, r1";
				"movb r1, (r0)".
  	$1 == 2	==>	"movl (sp)+, r0";
				"movl (sp)+, r1";
				"movw r1, (r0)".
  	$1 == 4	==>	"movl (sp)+, r0";
				"movl (sp)+, (r0)".
  	$1 == 8	==>	"movl (sp)+, r0";
				"movq (sp)+, (r0)".
  	$1 % 4 == 0  ==>	"movl (sp)+, r0";
				"movl ~$1/4, r1";
				"2:";
				"movl (sp)+, (r0)+";
				"sobgtr r1, 2b".
	default		==> 	arg_error( "sti", (arith) $1).


C_sts		==> 	"movl ~$1, r0";
			"jsb .sts".

C_sts_narg	==> 	"movl (sp)+, r0";
			"jsb .sts".

C_sdl		
	$1 < 0  	==> 	"movq (sp)+, $1(fp)".
	default		==> 	"movq (sp)+, $1+4(ap)".

C_sde..		==> 	"movq (sp)+, $1 + $2".

C_sdf		==> 	"movl (sp)+, r0";
			"movq (sp)+, $1(r0)".

/******************************************************************************/
/*									      */
/*		Group 3 : Integer arithmetic				      */
/*									      */
/******************************************************************************/

C_adi		
	$1 == 4	==>	"addl2 (sp)+, (sp)".
	default		==> 	arg_error( "adi", $1).

C_sbi
	$1 == 4	==> 	"subl2 (sp)+, (sp)".
	default		==> 	arg_error( "sbi", $1).

C_mli
	$1 == 4	==> 	"mull2 (sp)+, (sp)".
	default		==>	arg_error( "mli", $1).

C_dvi		
	$1 == 4	==> 	"divl2 (sp)+, (sp)".
	default		==> 	arg_error( "dvi", $1).

C_rmi	
	$1 == 4	==> 	"divl3 (sp), 4(sp), r0";
				"mull2 (sp)+, r0";
				"subl2 r0, (sp)".
	default		==>	arg_error( "rmi", $1).

C_ngi		
	$1 == 4	==> 	"mnegl (sp), (sp)".
	default 	==>	arg_error( "ngi", $1).


C_sli		
	$1 == 4	==> 	"clrl r0";
				"cvtlb (sp)+, r0";
				"ashl r0, (sp), (sp)".
	default		==> 	arg_error( "sli", $1).

C_sri		
	$1 == 4	==> 	"mnegl (sp)+, r0";
				"clrl r1";
				"cvtlb r0, r1";
				"ashl r1, (sp), (sp)".
	default		==>	arg_error( "sri", $1).


/******************************************************************************/
/*									      */
/*		Group 4 : Unsigned arithmetic 				      */
/*									      */
/******************************************************************************/


C_adu		==> 	C_adi( w).

C_sbu		==> 	C_sbi( w).

C_mlu		==> 	C_mli( w).

C_dvu		
	$1 == 4	==> 	"jsb .dvu4";
				"pushl r0".
	default		==> 	arg_error( "dvu", $1).

C_rmu		
	$1 == 4	==> 	"jsb .rmu4";
				"pushl r0".
	default		==> 	arg_error( "rmu", $1).

C_slu		==> 	C_sli( w).

C_sru		==> 	"movl ~$1, r0";
			"jsb .sru".

/******************************************************************************/
/*									      */
/*		Group 5 : Floating point arithmetic 			      */
/*									      */
/******************************************************************************/

/******************************************************************************/
/*									      */
/*		Group 6 : Pointer arithmetic 				      */
/*									      */
/******************************************************************************/

C_adp		==> 	"addl2 ~$1, (sp)".

C_ads
  	$1 == 4	==>	"addl2 (sp)+, (sp)".
  	default	==>	arg_error( "ads", $1).

C_sbs		
  	$1 == 4	==>	"subl2 (sp)+, (sp)".
  	default		==>	arg_error( "sbs", $1).

/******************************************************************************/
/*									      */
/*		Group 7 : Increment/decrement/zero			      */
/*									      */
/******************************************************************************/

C_inc		==> 	"incl (sp)".

C_inl		
	$1 < 0 	==> 	"incl $1(fp)".
	default 	==>	"incl $1+4(ap)".

C_ine..		==> 	"incl $1 + $2".

C_dec		==> 	"decl (sp)".

C_del		
	$1 < 0	==> 	"decl $1(fp)".
	default		==> 	"decl $1+4(ap)".

C_dee..		==> 	"decl $1 + $2".

C_zrl		
	$1 < 0	==> 	"clrl $1(fp)".
	default		==> 	"clrl $1+4(ap)".

C_zre..		==> 	"clrl $1 + $2".

C_zrf
  	$1 == 4	==>	"clrl -(sp)".
  	$1 == 8	==>	"clrq -(sp)".
  	default		==>	arg_error( "zrf", $1).

C_zer
  	$1 == 4	==>	"clrl -(sp)".
  	$1 == 8	==>	"clrq -(sp)".
  	default		==>	"movl ~$1/4, r0";
				"1:";
				"clrl -(sp)";
				"sobgtr r0, 1b".

/******************************************************************************/
/*									      */
/*		Group 8 : Convert 					      */
/*									      */
/******************************************************************************/

C_cii		==> 	"jsb .cii".

C_cui		==> 	"jsb .cui".

C_cfi		==> 	"jsb .cfi".

C_cif		==> 	"jsb cif".

C_cuf		==> 	"jsb .cuf".

C_cff		==> 	"jsb .cff".

C_ciu		==> 	"jsb .cuu".

C_cuu		==> 	"jsb .cuu ".

C_cfu		==> 	"jsb .cfu".

/******************************************************************************/
/*									      */
/*		Group 9 : Logical 	 				      */
/*									      */
/******************************************************************************/

C_and		
  	$1 == 4	==>	"mcoml (sp), (sp)";
				"bicl2 (sp)+, (sp)".
  	default		==>	"movl ~$1/4, r0";
				"addl3 ~$1, sp, r1";
				"1:";
				"mcoml (sp), (sp)";
				"bicl2 (sp)+, (r1)+";
				"sobgtr r0, 1b".

C_ior		
  	$1 == 4	==>	"bisl2 (sp)+, (sp)".
  	default		==>	"movl ~$1/4, r0";
				"addl3 ~$1, sp, r1";
				"1:";
				"bisl2 (sp)+, (r1)+";
				"sobgtr r0, 1b".

C_xor		
  	$1 == 4	==>	"xorl2 (sp)+, (sp)".
	default		==>	"movl ~$1/4, r0";
				"addl3 ~$1, sp, r1";
				"1:";
				"xorl2 (sp)+, (r1)+";
				"sobgtr r0, 1b".

C_com	
  	$1 == 4	==>	"mcoml (sp), (sp)".
  	default		==>	"movl ~$1, r0";
				"jsb .com".

C_rol	
  	$1 == 4	==>	"clrl r0";
				"cvtlb (sp)+, r0";
				"rotl r0, (sp), (sp)".
  	default		==>	arg_error( "rol", $1).

C_ror	
  	$1 == 4	==>	"mnegl (sp)+, r0";
				"clrl r1";
				"cvtlb r0, r1";
				"rotl r1, (sp), (sp)".
  	default		==>	arg_error( "rol", $1).

/******************************************************************************/
/*									      */
/*		Group 10 : Sets 	 				      */
/*									      */
/******************************************************************************/

C_inn
  	$1 == 4	==>	"mnegl (sp)+, r0";
				"clrl r1";
				"cvtlb r0, r1";
				"ashl r1, (sp), (sp)";
				"bicl2 ~~1, (sp)".
  	default		==>	"movl ~$1, r0";
				"jsb .inn";
				"pushl r1".

C_inn_narg	==> 	"movl (sp)+, r0";
			"jsb .inn";
			"pushl r1".
  
C_set
  	$1 == 4	==>	"clrl r0";
				"cvtlb (sp)+, r0";
				"ashl r0, ~1, -(sp)".
  	default		==>	"movl ~$1, r0";
				"jsb .setx".

C_set_narg	==> 	"movl (sp)+, r0";
			"jsb .setx".

/******************************************************************************/
/*									      */
/*		Group 11 : Array 	 				      */
/*									      */
/******************************************************************************/

C_lar		
  	$1 == 4	==>	"jsb .lar4".
  	default		==>	"movl ~$1, r0";
				"jsb .lar".

C_lar_narg		==> 	"movl (sp)+, r0";
				"jsb .lar".

C_sar		
  	$1 == 4	==>	"jsb .sar4".
  	default		==>	"movl ~$1, r0";
				"jsb .sar".

C_sar_narg	==> 	"movl (sp)+, r0";
			"jsb .sar".

C_aar		
  	$1 == 4	==>	"jsb .aar4";
				"pushl r0".
  	default		==>	"movl ~$1, r0";
				"jsb .aar";
				"pushl r0".

C_aar_narg	==> 	"movl (sp)+, r0";
			"jsb .aar";
			"pushl r0".

/******************************************************************************/
/*									      */
/*		Group 12 : Compare 	 				      */
/*									      */
/******************************************************************************/

C_cmi		
  	$1 == 4	==>	/* bug : "subl2 (sp)+, (sp)". */
			"clrl r0";
		  	"cmpl (sp)+, (sp)+";
			"beql 2f";
			"bgtr 1f";
			"incl r0";
			"br 2f";
			"1 : decl r0";
			"2 : pushl r0".
  	default		==>	arg_error( "cmi", $1).


C_cmu		
  	$1 == 4	==>	/* bug : "subl2 (sp)+, (sp)". */
			"clrl r0";
		  	"cmpl (sp)+, (sp)+";
			"beql 2f";
			"bgtru 1f";
			"incl r0";
			"br 2f";
			"1 : decl r0";
			"2 : pushl r0".
  	default		==>	"movl ~$1, r0";
				"jsb .cmu";
				"pushl r0".

C_cmu_narg	==> 	"movl (sp)+, r0";
			"jsb .cmu";
			"pushl r0".

C_cms		==> 	"movl ~$1, r0";
			"jsb .cms";
			"pushl r0".

C_cms_narg	==> 	"movl (sp)+, r0";
			"jsb .cms";
			"pushl r0".

C_cmp		==> 	/* bug : "subl2 (sp)+, (sp)". */
			"clrl r0";
		  	"cmpl (sp)+, (sp)+";
			"beql 2f";
			"bgtru 1f";
			"incl r0";
			"br 2f";
			"1 : decl r0";
			"2 : pushl r0".

C_tlt		==> 	"movl (sp)+, r0";
			"movl ~1, -(sp)";
			"tstl r0";
			"blss 1f";
			"clrl (sp)";
			"1:".

C_tle		==> 	"movl (sp)+, r0";
			"movl ~1, -(sp)";
			"tstl r0";
			"bleq 1f";
			"clrl (sp)";
			"1:".

C_teq		==> 	"movl (sp)+, r0";
			"movl ~1, -(sp)";
			"tstl r0";
			"beql 1f";
			"clrl (sp)";
			"1:".

C_tne		==> 	"movl (sp)+, r0";
			"movl ~1, -(sp)";
			"tstl r0";
			"bneq 1f";
			"clrl (sp)";
			"1:".

C_tge		==> 	"movl (sp)+, r0";
			"movl ~1, -(sp)";
			"tstl r0";
			"bgeq 1f";
			"clrl (sp)";
			"1:".

C_tgt		==> 	"movl (sp)+, r0";
			"movl ~1, -(sp)";
			"tstl r0";
			"bgtr 1f";
			"clrl (sp)";
			"1:".

/******************************************************************************/
/*									      */
/*		Group 13 : Branch 	 				      */
/*									      */
/******************************************************************************/

C_bra		==> 	"jmp $1".

C_blt		==> 	"movl (sp)+, r0";
			"cmpl (sp)+, r0";
			"jlss $1".

C_ble		==> 	"movl (sp)+, r0";
			"cmpl (sp)+, r0";
			"jleq $1".

C_beq		==> 	"movl (sp)+, r0";
			"cmpl (sp)+, r0";
			"jeql $1".	

C_bne		==> 	"movl (sp)+, r0";
			"cmpl (sp)+, r0";
			"jneq $1".

C_bge		==> 	"movl (sp)+, r0";
			"cmpl (sp)+, r0";
			"jgeq $1".

C_bgt		==> 	"movl (sp)+, r0";
			"cmpl (sp)+, r0";
			"jgtr $1".

C_zlt		==> 	"tstl (sp)+";
			"jlss $1".

C_zle		==> 	"tstl (sp)+";
			"jleq $1".

C_zeq		==> 	"tstl (sp)+";
			"jeql $1".

C_zne		==> 	"tstl (sp)+";
			"jneq $1".

C_zge		==> 	"tstl (sp)+";
			"jgeq $1".

C_zgt		==> 	"tstl (sp)+";
			"jgtr $1".


/******************************************************************************/
/*                                                                            */
/*			Group 14 : Procedure call instructions		      */
/*							 		      */
/******************************************************************************/

C_cai		==> 	"movl (sp)+, r0";
			"calls ~0, (r0)".

C_cal		==> 	"calls ~0, $1".

C_lfr		
  	$1 == 4	==>	"pushl r0".
  	$1 == 8	==>	"movq r0, -(sp)".
  	default		==>	arg_error( "lfr", $1).

C_ret		
	$1 == 0	==>	"ret".
  	$1 == 4	==>	"movl (sp)+, r0";
				"ret".
  	$1 == 8	==>	"movq (sp)+, r0";
				"ret".
  	default		==>	arg_error( "ret", $1).

/******************************************************************************/
/*                                                                            */
/*			Group 15 : Miscellaneous instructions		      */
/*							 		      */
/******************************************************************************/

C_asp		==> 	"addl2 ~$1, sp".

C_ass		
  	$1 == 4	==>	"addl2 (sp)+, sp".
  	default		==>	"movl ~$1, r2";
				"jsb .ass".

C_ass_narg	==> 	"movl (sp)+, r2";
			"jsb .ass".

C_blm		
  	$1 == 4	==>	"movl (sp)+, r0";
				"movl (sp)+, r1";
				"movl (r1), (r0)".
  	$1 == 8	==>	"movl (sp)+, r0";
				"movl (sp)+, r1";
				"movq (r1), (r0)".
  	default		==>	"movl (sp)+, r0";
				"movl (sp)+, r1";
				"movl ~$1/4, r2";
				"1:";
				"movl (r1)+, (r0)+";
				"sobgtr r2, 1b".

C_bls		
  	$1 == 4	==>	"movl ~4, r0";
				"jsb .bls".
  	default		==>	arg_error( "bls", $1).


C_csa		
	$1 == 4	==>	"jmp .csa4".
  	default		==>	"movl ~$1, r0";
				"jmp .csa".

C_csb		
	$1 == 4	==>	"jmp .csb4".
  	default		==>	"movl ~$1, r0";
				"jmp .csb".

C_dch		==> 	"movl (sp)+, r0";
			"pushl (r0)".

C_dup		
  	$1 == 4	==>	"pushl (sp)".
  	$1 == 8	==>	"movq (sp), -(sp)".
  	default		==>	"movl ~$1/4, r0";
				"addl3 ~$1, sp, r1";
				"1:";
				"movl -(r1), -(sp)";
				"sobgtr r0, 1b".

C_dus		
  	$1 == 4	==>	"movl (sp)+, r0";
				"addl3 r0, sp, r1";
				"ashl ~-2, r0, r0";
				"1:";
				"movl -(r1), -(sp)";
				"sobgtr r0, 1b".
  	default		==>	arg_error( "dus", $1).

C_exg		==>	"movl ~$1, r0";
			"jsb .exg".

C_fil..		==> 	"moval $1 + $2, hol0 + 4".

C_gto..		==> 	"pushal $1+$2";
			"jmp .gto".

C_lim		==> 	"movl .trpim, -(sp)".

C_lin		==> 	"movl ~$1, hol0".

C_lni		==> 	"incl hol0".

C_lor
  	$1 == 0	==>	"pushl fp".
  	$1 == 1	==>	"pushl sp".
  	$1 == 2	==>	"pushl .reghp".
	default		==>	arg_error( "lor", $1).

C_lpb		==> 	"movl (sp)+, r0";
			"jsb .lpb";
			"pushl r0".

C_mon		==> 	"jsb .mon".

C_nop		==> 	.

C_rck		
  	$1 == 4	==>	"jsb .rck4".
  	default		==>	"movl ~$1, r0";
				"jsb .rck".

C_rck_narg	==> 	"movl (sp)+, r0";
			"jsb .rck".

C_rtt		==> 	"ret".

C_sig		==> 	"jsb .sig".

C_sim		==> 	"jsb .sim".

C_str
  	$1 == 0	==>	"movl (sp)+, fp".
  	$1 == 1	==>	"movl (sp)+, sp".
  	$1 == 2	==>	"jsb .strhp".
	default		==>	arg_error( "str", $1).

C_trp		==> 	"jsb .trp".

/*****************************************************************************/

..icon	$2 == 1  ==>	gen1( (char) atoi( $1)).
	$2 == 2  ==> gen2( (short) atoi( $1)).
	$2 == 4  ==> gen4( (long) atol( $1)).
	default     ==> arg_error( "icon", $2).
..ucon	$2 == 1  ==>	gen1( (char) atoi( $1)).
	$2 == 2  ==> gen2( (short) atoi( $1)).
	$2 == 4  ==> gen4( (long) atol( $1)).
	default     ==> arg_error( "icon", $2).

/*****************************************************************************/

prolog		==>		text2( 0x0).

jump 		==>		"jmp $1".

locals		
  $1 == 0	==>		.
  $1 == 4       ==>             "clrq -(sp)".
  $1 == 8       ==>             "clrq -(sp)".
  default	==>		"subl2 ~$1, sp".