.long	0x3FFF0000,0xDBFBB797,0xDAF23754,0x201EC207	.long	0x3FFF0000,0xDE60F482,0x5E0E9124,0x9E8BE175	.long	0x3FFF0000,0xE0CCDEEC,0x2A94E110,0x20032C4B	.long	0x3FFF0000,0xE33F8972,0xBE8A5A50,0x2004DFF5	.long	0x3FFF0000,0xE5B906E7,0x7C8348A8,0x1E72F47A	.long	0x3FFF0000,0xE8396A50,0x3C4BDC68,0x1F722F22	.long	0x3FFF0000,0xEAC0C6E7,0xDD243930,0xA017E945	.long	0x3FFF0000,0xED4F301E,0xD9942B84,0x1F401A5B	.long	0x3FFF0000,0xEFE4B99B,0xDCDAF5CC,0x9FB9A9E3	.long	0x3FFF0000,0xF281773C,0x59FFB138,0x20744C05	.long	0x3FFF0000,0xF5257D15,0x2486CC2C,0x1F773A19	.long	0x3FFF0000,0xF7D0DF73,0x0AD13BB8,0x1FFE90D5	.long	0x3FFF0000,0xFA83B2DB,0x722A033C,0xA041ED22	.long	0x3FFF0000,0xFD3E0C0C,0xF486C174,0x1F853F3A#define	ADJFLAG	 L_SCR2#define	SCALE	 FP_SCR1#define	ADJSCALE  FP_SCR2#define	SC	 FP_SCR3#define	ONEBYSC	 FP_SCR4|	xref	__x_t_frcinx|	xref	__x_t_extdnrm|	xref	__x_t_unfl|	xref	__x_t_ovfl	.text	.globl	__x_setoxd__x_setoxd:|--entry point for EXP(X), X is denormalized	movel		a0@,d0	andil		#0x80000000,d0	oril		#0x00800000,d0		|...sign(X)*2^(-126)	movel		d0,a7@-/*	fmoves	&0x3F800000,fp0 */	 .long 0xf23c4400,0x3f800000	fmovel		d1,fpcr	fadds		a7@+,fp0	jra 		__x_t_frcinx	.globl	__x_setox__x_setox:/* |--entry point for EXP(X), here X is finite, non-zero, and not NaN's */|--Step 1.	movel		a0@,d0	 |...load part of input X	andil		#0x7FFF0000,d0	|...biased expo. of X	cmpil		#0x3FBE0000,d0	|...2^(-65)	jge 		EXPC1		|...normal case	jra 		EXPSMEXPC1:|--The case |X| >= 2^(-65)	movew		a0@(4),d0	|...expo. and partial sig. of |X|	cmpil		#0x400CB167,d0	|...16380 log2 trunc. 16 bits	jlt 		EXPMAIN	 |...normal case	jra 		EXPBIGEXPMAIN:|--Step 2.|--This is the __x_normal branch:	2^(-65) <= |X| < 16380 log2.	fmovex		a0@,fp0	|...load input from	a0@	fmovex		fp0,fp1/*	fmuls	&0x42B8AA3B,fp0 */	 .long 0xf23c4423,0x42b8aa3b	fmovemx	fp2/fp3,a7@-		|...save fp2	movel		#0,a6@(ADJFLAG)	fmovel		fp0,d0		|...N = int( X * 64/log2 )	lea		EXPTBL,a1	fmovel		d0,fp0		|...convert to floating-format	movel		d0,a6@(L_SCR1)	|...save N temporarily	andil		#0x3F,d0		|...D0 is J = N mod 64	lsll		#4,d0	addal		d0,a1		|...address of 2^(J/64)	movel		a6@(L_SCR1),d0	asrl		#6,d0		|...D0 is M	addiw		#0x3FFF,d0	|...biased expo. of 2^(M)	movew		L2,a6@(L_SCR1)	|...prefetch L2, no need in CBEXPCONT1:|--Step 3.|--fp1,fp2 saved on the stack. fp0 is N, fp1 is X,|--a0 points to 2^(J/64), D0 is biased expo. of 2^(M)	fmovex		fp0,fp2/*	fmuls	&0xBC317218,fp0 */	 .long 0xf23c4423,0xbc317218	fmulx		L2,fp2		|...N * L2, L1+L2 = -log2/64	faddx		fp1,fp0	 	|...X + N*L1	faddx		fp2,fp0		|...fp0 is R, reduced arg.|	MOVE.w		#0x3FA5,EXPA3	|...load EXPA3 in cache|--Step 4.|--WE NOW COMPUTE EXP(R)-1 BY A POLYNOMIAL|-- R + R*R*(A1 + R*(A2 + R*(A3 + R*(A4 + R*A5))))|--TO FULLY UTILIZE THE PIPELINE, WE COMPUTE S = R*R|--[R+R*S*(A2+S*A4)] + [S*(A1+S*(A3+S*A5))]	fmovex		fp0,fp1	fmulx		fp1,fp1	 	|...fp1 IS S = R*R/*	fmoves	&0x3AB60B70,fp2 */	 .long 0xf23c4500,0x3ab60b70|	MOVE.w		#0,a1@(2)	|...load 2^(J/64) in cache	fmulx		fp1,fp2	 	|...fp2 IS S*A5	fmovex		fp1,fp3/*	fmuls	&0x3C088895,fp3 */	 .long 0xf23c45a3,0x3c088895	faddd		EXPA3,fp2	|...fp2 IS a3+S*A5	faddd		EXPA2,fp3	|...fp3 IS a2+S*A4	fmulx		fp1,fp2	 	|...fp2 IS S*(A3+S*A5)	movew		d0,a6@(SCALE)	|...SCALE is 2^(M) in extended	clrw		a6@(SCALE+2)	movel		#0x80000000,a6@(SCALE+4)	clrl		a6@(SCALE+8)	fmulx		fp1,fp3	 	|...fp3 IS S*(A2+S*A4)/*	fadds	&0x3F000000,fp2 */	 .long 0xf23c4522,0x3f000000	fmulx		fp0,fp3	 	|...fp3 IS R*S*(A2+S*A4)	fmulx		fp1,fp2	 	|...fp2 IS S*(A1+S*(A3+S*A5))	faddx		fp3,fp0	 	|...fp0 IS R+R*S*(A2+S*A4),|					|...fp3 released	fmovex		a1@+,fp1	|...fp1 is lead. pt. of 2^(J/64)	faddx		fp2,fp0	 	|...fp0 is EXP(R) - 1|					|...fp2 released|--Step 5|--final reconstruction process|--EXP(X) = 2^M * ( 2^(J/64) + 2^(J/64)*(EXP(R)-1) )	fmulx		fp1,fp0	 	|...2^(J/64)*(Exp(R)-1)	fmovemx	a7@+,fp2/fp3	|...fp2 restored	fadds		a1@,fp0	|...accurate 2^(J/64)	faddx		fp1,fp0	 	|...2^(J/64) + 2^(J/64)*...	movel		a6@(ADJFLAG),d0|--Step 6	tstl		d0	jeq 		NORMALADJUST:	fmulx		a6@(ADJSCALE),fp0NORMAL:	fmovel		d1,fpcr	 	|...restore user fpcr	fmulx		a6@(SCALE),fp0	|...multiply 2^(M)	jra 		__x_t_frcinxEXPSM:|--Step 7	fmovemx	a0@,fp0-fp0	|...in case X is denormalized	fmovel		d1,fpcr	.long 0xf23c4422,0x3f800000	/*  fadds  &0x3F800000,fp0 */	jra 		__x_t_frcinxEXPBIG:|--Step 8	cmpil		#0x400CB27C,d0	|...16480 log2	jgt 		EXP2BIG|--Steps 8.2 -- 8.6	fmovex		a0@,fp0	|...load input from	a0@	fmovex		fp0,fp1	.long 0xf23c4423,0x42b8aa3b	/*  fmuls  &0x42B8AA3B,fp0 */	fmovemx	 fp2/fp3,a7@-		|...save fp2	movel		#1,a6@(ADJFLAG)	fmovel		fp0,d0		|...N = int( X * 64/log2 )	lea		EXPTBL,a1	fmovel		d0,fp0		|...convert to floating-format	movel		d0,a6@(L_SCR1)		|...save N temporarily	andil		#0x3F,d0		|...D0 is J = N mod 64	lsll		#4,d0	addal		d0,a1			|...address of 2^(J/64)	movel		a6@(L_SCR1),d0	asrl		#6,d0			|...D0 is K	movel		d0,a6@(L_SCR1)		|...save K temporarily	asrl		#1,d0			|...D0 is M1	subl		d0,a6@(L_SCR1)		|...a1 is M	addiw		#0x3FFF,d0		|...biased expo. of 2^(M1)	movew		d0,a6@(ADJSCALE)	|...ADJSCALE := 2^(M1)	clrw		a6@(ADJSCALE+2)	movel		#0x80000000,a6@(ADJSCALE+4)	clrl		a6@(ADJSCALE+8)	movel		a6@(L_SCR1),d0		|...D0 is M	addiw		#0x3FFF,d0		|...biased expo. of 2^(M)	jra 		EXPCONT1		|...go back to Step 3EXP2BIG:|--Step 9	fmovel		d1,fpcr	movel		a0@,d0	bclr		#sign_bit,a0@		|...setox always returns positive	cmpil		#0,d0	jlt 		__x_t_unfl	jra 		__x_t_ovfl	.globl	__x_setoxm1d__x_setoxm1d:|--entry point for EXPM1(X), here X is denormalized|--Step 0.	jra 		__x_t_extdnrm	.globl	__x_setoxm1__x_setoxm1:|--entry point for EXPM1(X), here X is finite, non-zero, non-NaN|--Step 1.|--Step 1.1	movel		a0@,d0	 	|...load part of input X	andil		#0x7FFF0000,d0	|...biased expo. of X	cmpil		#0x3FFD0000,d0	|...1/4	jge 		EM1CON1	 	|...|X| >= 1/4	jra 		EM1SMEM1CON1:|--Step 1.3|--The case |X| >= 1/4	movew		a0@(4),d0	|...expo. and partial sig. of |X|	cmpil		#0x4004C215,d0	|...70log2 rounded up to 16 bits	jle 		EM1MAIN	 	|...1/4 <= |X| <= 70log2	jra 		EM1BIGEM1MAIN:|--Step 2.|--This is the case:	1/4 <= |X| <= 70 log2.	fmovex		a0@,fp0		|...load input from	a0@	fmovex		fp0,fp1	.long 0xf23c4423,0x42b8aa3b	/*  fmuls  &0x42B8AA3B,fp0 */	fmovemx	fp2/fp3,a7@-		|...save fp2|	MOVE.w		#0x3F81,EM1A4		|...prefetch in CB mode	fmovel		fp0,d0		|...N = int( X * 64/log2 )	lea		EXPTBL,a1	fmovel		d0,fp0		|...convert to floating-format	movel		d0,a6@(L_SCR1)		|...save N temporarily	andil		#0x3F,d0		 |...D0 is J = N mod 64	lsll		#4,d0	addal		d0,a1		|...address of 2^(J/64)	movel		a6@(L_SCR1),d0	asrl		#6,d0		|...D0 is M	movel		d0,a6@(L_SCR1)	|...save a copy of M|	MOVE.w		#0x3FDC,L2	|...prefetch L2 in CB mode|--Step 3.|--fp1,fp2 saved on the stack. fp0 is N, fp1 is X,|--a0 points to 2^(J/64), D0 and a1 both contain M	fmovex		fp0,fp2	.long 0xf23c4423,0xbc317218	/*  fmuls  &0xBC317218,fp0 */	fmulx		L2,fp2		|...N * L2, L1+L2 = -log2/64	faddx		fp1,fp0	 	|...X + N*L1	faddx		fp2,fp0	 	|...fp0 is R, reduced arg.|	MOVE.w		#0x3FC5,EM1A2	|...load EM1A2 in cache	addiw		#0x3FFF,d0	|...D0 is biased expo. of 2^M|--Step 4.|--WE NOW COMPUTE EXP(R)-1 BY A POLYNOMIAL|-- R + R*R*(A1 + R*(A2 + R*(A3 + R*(A4 + R*(A5 + R*A6)))))|--TO FULLY UTILIZE THE PIPELINE, WE COMPUTE S = R*R|--[R*S*(A2+S*(A4+S*A6))] + [R+S*(A1+S*(A3+S*A5))]	fmovex		fp0,fp1	fmulx		fp1,fp1		|...fp1 IS S = R*R	.long 0xf23c4500,0x3950097b	/*  fmoves  &0x3950097B,fp2 */|	MOVE.w		#0,a1@(2)	|...load 2^(J/64) in cache	fmulx		fp1,fp2		|...fp2 IS S*A6	fmovex		fp1,fp3	.long 0xf23c45a3,0x3ab60b6a	/*  fmuls  &0x3AB60B6A,fp3 */	faddd		EM1A4,fp2	|...fp2 IS a4+S*A6	faddd		EM1A3,fp3	|...fp3 IS a3+S*A5	movew		d0,a6@(SC)		|...SC is 2^(M) in extended	clrw		a6@(SC+2)	movel		#0x80000000,a6@(SC+4)	clrl		a6@(SC+8)	fmulx		fp1,fp2		|...fp2 IS S*(A4+S*A6)	movel		a6@(L_SCR1),d0		|...D0 is	M	negw		d0		|...D0 is -M	fmulx		fp1,fp3		|...fp3 IS S*(A3+S*A5)	addiw		#0x3FFF,d0	|...biased expo. of 2^(-M)	faddd		EM1A2,fp2	|...fp2 IS a2+S*(A4+S*A6)	.long 0xf23c45a2,0x3f000000	/*  fadds  &0x3F000000,fp3 */	fmulx		fp1,fp2		|...fp2 IS S*(A2+S*(A4+S*A6))	oriw		#0x8000,d0	|...signed/expo. of -2^(-M)	movew		d0,a6@(ONEBYSC)	|...OnebySc is -2^(-M)	clrw		a6@(ONEBYSC+2)	movel		#0x80000000,a6@(ONEBYSC+4)	clrl		a6@(ONEBYSC+8)	fmulx		fp3,fp1		|...fp1 IS S*(A1+S*(A3+S*A5))|					|...fp3 released	fmulx		fp0,fp2		|...fp2 IS R*S*(A2+S*(A4+S*A6))	faddx		fp1,fp0		|...fp0 IS R+S*(A1+S*(A3+S*A5))|					|...fp1 released	faddx		fp2,fp0		|...fp0 IS EXP(R)-1|					|...fp2 released	fmovemx	a7@+,fp2/fp3	|...fp2 restored|--Step 5|--Compute 2^(J/64)*p	fmulx		a1@,fp0	|...2^(J/64)*(Exp(R)-1)|--Step 6|--Step 6.1	movel		a6@(L_SCR1),d0		|...retrieve M	cmpil		#63,d0	jle 		MLE63|--Step 6.2	M >= 64	fmoves		a1@(12),fp1		|...fp1 is t	faddx		a6@(ONEBYSC),fp1	|...fp1 is t+OnebySc	faddx		fp1,fp0			|...p+(t+OnebySc), fp1 released	faddx		a1@,fp0			|...T+(p+(t+OnebySc))	jra 		EM1SCALEMLE63:|--Step 6.3	M <= 63	cmpil		#-3,d0	jge 		MGEN3MLTN3:|--Step 6.4	M <= -4	fadds		a1@(12),fp0		|...p+t	faddx		a1@,fp0			|...T+(p+t)	faddx		a6@(ONEBYSC),fp0	|...OnebySc + (T+(p+t))	jra 		EM1SCALEMGEN3:|--Step 6.5	-3 <= M <= 63	fmovex		a1@+,fp1		|...fp1 is T	fadds		a1@,fp0			|...fp0 is p+t	faddx		a6@(ONEBYSC),fp1	|...fp1 is T+OnebySc	faddx		fp1,fp0			|...(T+OnebySc)+(p+t)EM1SCALE:|--Step 6.6	fmovel		d1,fpcr	fmulx		a6@(SC),fp0	jra 		__x_t_frcinxEM1SM:|--Step 7	|X| < 1/4.	cmpil		#0x3FBE0000,d0	|...2^(-65)	jge 		EM1POLYEM1TINY:|--Step 8	|X| < 2^(-65)	cmpil		#0x00330000,d0	|...2^(-16312)	jlt 		EM12TINY|--Step 8.2	movel		#0x80010000,a6@(SC)	|...SC is -2^(-16382)	movel		#0x80000000,a6@(SC+4)	clrl		a6@(SC+8)	fmovex		a0@,fp0	fmovel		d1,fpcr	faddx		a6@(SC),fp0	jra 		__x_t_frcinxEM12TINY:|--Step 8.3	fmovex		a0@,fp0	fmuld		TWO140,fp0	movel		#0x80010000,a6@(SC)	movel		#0x80000000,a6@(SC+4)	clrl		a6@(SC+8)	faddx		a6@(SC),fp0	fmovel		d1,fpcr	fmuld		TWON140,fp0	jra 		__x_t_frcinxEM1POLY:|--Step 9	exp(X)-1 by a simple polynomial	fmovex		a0@,fp0		|...fp0 is X	fmulx		fp0,fp0		|...fp0 is S := X*X	fmovemx	fp2/fp3,a7@-		|...save fp2	.long 0xf23c4480,0x2f30caa8	/*  fmoves  &0x2F30CAA8,fp1 */	fmulx		fp0,fp1		|...fp1 is S*B12	.long 0xf23c4500,0x310f8290	/*  fmoves  &0x310F8290,fp2 */	.long 0xf23c44a2,0x32d73220	/*  fadds  &0x32D73220,fp1 */	fmulx		fp0,fp2		|...fp2 is S*B11	fmulx		fp0,fp1		|...fp1 is S*(B10 + ...	.long 0xf23c4522,0x3493f281	/*  fadds  &0x3493F281,fp2 */	faddd		EM1B8,fp1	|...fp1 is B8+S*...	fmulx		fp0,fp2		|...fp2 is S*(B9+...	fmulx		fp0,fp1		|...fp1 is S*(B8+...	faddd		EM1B7,fp2	|...fp2 is B7+S*...	faddd		EM1B6,fp1	|...fp1 is B6+S*...	fmulx		fp0,fp2		|...fp2 is S*(B7+...	fmulx		fp0,fp1		|...fp1 is S*(B6+...	faddd		EM1B5,fp2	|...fp2 is B5+S*...	faddd		EM1B4,fp1	|...fp1 is B4+S*...	fmulx		fp0,fp2		|...fp2 is S*(B5+...	fmulx		fp0,fp1		|...fp1 is S*(B4+...	faddd		EM1B3,fp2	|...fp2 is B3+S*...	faddx		EM1B2,fp1	|...fp1 is B2+S*...	fmulx		fp0,fp2		|...fp2 is S*(B3+...	fmulx		fp0,fp1		|...fp1 is S*(B2+...	fmulx		fp0,fp2		|...fp2 is S*S*(B3+...)	fmulx		a0@,fp1	|...fp1 is X*S*(B2...	.long 0xf23c4423,0x3f000000	/*  fmuls  &0x3F000000,fp0 */	faddx		fp2,fp1		|...fp1 is Q|					|...fp2 released	fmovemx	a7@+,fp2/fp3	|...fp2 restored	faddx		fp1,fp0		|...fp0 is S*B1+Q|					|...fp1 released	fmovel		d1,fpcr	faddx		a0@,fp0	jra 		__x_t_frcinxEM1BIG:|--Step 10	|X| > 70 log2	movel		a0@,d0	cmpil		#0,d0	jgt 		EXPC1|--Step 10.2	.long 0xf23c4400,0xbf800000	/*  fmoves  &0xBF800000,fp0 */	fmovel		d1,fpcr	.long 0xf23c4422,0x00800000	/*  fadds  &0x00800000,fp0 */	jra 		__x_t_frcinx|	end