Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) |	stwotox.sa 3.1 12/10/90
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) |	stwotox  --- 2**X
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) |	stwotoxd --- 2**X for denormalized X
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) |	stentox  --- 10**X
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) |	stentoxd --- 10**X for denormalized X
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) |	Input: Double-extended number X in location pointed to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) |		by address register a0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) |	Output: The function values are returned in Fp0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) |	Accuracy and Monotonicity: The returned result is within 2 ulps in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) |		64 significant bit, i.e. within 0.5001 ulp to 53 bits if the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) |		result is subsequently rounded to double precision. The
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) |		result is provably monotonic in double precision.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) |	Speed: The program stwotox takes approximately 190 cycles and the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) |		program stentox takes approximately 200 cycles.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) |	Algorithm:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) |	twotox
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) |	1. If |X| > 16480, go to ExpBig.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) |	2. If |X| < 2**(-70), go to ExpSm.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) |	3. Decompose X as X = N/64 + r where |r| <= 1/128. Furthermore
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) |		decompose N as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) |		 N = 64(M + M') + j,  j = 0,1,2,...,63.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) |	4. Overwrite r := r * log2. Then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) |		2**X = 2**(M') * 2**(M) * 2**(j/64) * exp(r).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) |		Go to expr to compute that expression.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) |	tentox
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) |	1. If |X| > 16480*log_10(2) (base 10 log of 2), go to ExpBig.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) |	2. If |X| < 2**(-70), go to ExpSm.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) |	3. Set y := X*log_2(10)*64 (base 2 log of 10). Set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) |		N := round-to-int(y). Decompose N as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) |		 N = 64(M + M') + j,  j = 0,1,2,...,63.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) |	4. Define r as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) |		r := ((X - N*L1)-N*L2) * L10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) |		where L1, L2 are the leading and trailing parts of log_10(2)/64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) |		and L10 is the natural log of 10. Then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) |		10**X = 2**(M') * 2**(M) * 2**(j/64) * exp(r).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) |		Go to expr to compute that expression.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) |	expr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) |	1. Fetch 2**(j/64) from table as Fact1 and Fact2.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) |	2. Overwrite Fact1 and Fact2 by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) |		Fact1 := 2**(M) * Fact1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) |		Fact2 := 2**(M) * Fact2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) |		Thus Fact1 + Fact2 = 2**(M) * 2**(j/64).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) |	3. Calculate P where 1 + P approximates exp(r):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) |		P = r + r*r*(A1+r*(A2+...+r*A5)).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) |	4. Let AdjFact := 2**(M'). Return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) |		AdjFact * ( Fact1 + ((Fact1*P) + Fact2) ).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) |		Exit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) |	ExpBig
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) |	1. Generate overflow by Huge * Huge if X > 0; otherwise, generate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) |		underflow by Tiny * Tiny.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) |	ExpSm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) |	1. Return 1 + X.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) |		Copyright (C) Motorola, Inc. 1990
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) |			All Rights Reserved
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) |       For details on the license for this file, please see the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) |       file, README, in this same directory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) |STWOTOX	idnt	2,1 | Motorola 040 Floating Point Software Package
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	|section	8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) #include "fpsp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) BOUNDS1:	.long 0x3FB98000,0x400D80C0 | ... 2^(-70),16480
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) BOUNDS2:	.long 0x3FB98000,0x400B9B07 | ... 2^(-70),16480 LOG2/LOG10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) L2TEN64:	.long 0x406A934F,0x0979A371 | ... 64LOG10/LOG2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) L10TWO1:	.long 0x3F734413,0x509F8000 | ... LOG2/64LOG10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) L10TWO2:	.long 0xBFCD0000,0xC0219DC1,0xDA994FD2,0x00000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) LOG10:	.long 0x40000000,0x935D8DDD,0xAAA8AC17,0x00000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) LOG2:	.long 0x3FFE0000,0xB17217F7,0xD1CF79AC,0x00000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) EXPA5:	.long 0x3F56C16D,0x6F7BD0B2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) EXPA4:	.long 0x3F811112,0x302C712C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) EXPA3:	.long 0x3FA55555,0x55554CC1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) EXPA2:	.long 0x3FC55555,0x55554A54
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) EXPA1:	.long 0x3FE00000,0x00000000,0x00000000,0x00000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) HUGE:	.long 0x7FFE0000,0xFFFFFFFF,0xFFFFFFFF,0x00000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) TINY:	.long 0x00010000,0xFFFFFFFF,0xFFFFFFFF,0x00000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) EXPTBL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	.long  0x3FFF0000,0x80000000,0x00000000,0x3F738000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	.long  0x3FFF0000,0x8164D1F3,0xBC030773,0x3FBEF7CA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	.long  0x3FFF0000,0x82CD8698,0xAC2BA1D7,0x3FBDF8A9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	.long  0x3FFF0000,0x843A28C3,0xACDE4046,0x3FBCD7C9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	.long  0x3FFF0000,0x85AAC367,0xCC487B15,0xBFBDE8DA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	.long  0x3FFF0000,0x871F6196,0x9E8D1010,0x3FBDE85C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	.long  0x3FFF0000,0x88980E80,0x92DA8527,0x3FBEBBF1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	.long  0x3FFF0000,0x8A14D575,0x496EFD9A,0x3FBB80CA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	.long  0x3FFF0000,0x8B95C1E3,0xEA8BD6E7,0xBFBA8373
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	.long  0x3FFF0000,0x8D1ADF5B,0x7E5BA9E6,0xBFBE9670
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	.long  0x3FFF0000,0x8EA4398B,0x45CD53C0,0x3FBDB700
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	.long  0x3FFF0000,0x9031DC43,0x1466B1DC,0x3FBEEEB0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	.long  0x3FFF0000,0x91C3D373,0xAB11C336,0x3FBBFD6D
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	.long  0x3FFF0000,0x935A2B2F,0x13E6E92C,0xBFBDB319
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	.long  0x3FFF0000,0x94F4EFA8,0xFEF70961,0x3FBDBA2B
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	.long  0x3FFF0000,0x96942D37,0x20185A00,0x3FBE91D5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	.long  0x3FFF0000,0x9837F051,0x8DB8A96F,0x3FBE8D5A
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	.long  0x3FFF0000,0x99E04593,0x20B7FA65,0xBFBCDE7B
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	.long  0x3FFF0000,0x9B8D39B9,0xD54E5539,0xBFBEBAAF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	.long  0x3FFF0000,0x9D3ED9A7,0x2CFFB751,0xBFBD86DA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	.long  0x3FFF0000,0x9EF53260,0x91A111AE,0xBFBEBEDD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	.long  0x3FFF0000,0xA0B0510F,0xB9714FC2,0x3FBCC96E
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	.long  0x3FFF0000,0xA2704303,0x0C496819,0xBFBEC90B
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	.long  0x3FFF0000,0xA43515AE,0x09E6809E,0x3FBBD1DB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	.long  0x3FFF0000,0xA5FED6A9,0xB15138EA,0x3FBCE5EB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	.long  0x3FFF0000,0xA7CD93B4,0xE965356A,0xBFBEC274
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	.long  0x3FFF0000,0xA9A15AB4,0xEA7C0EF8,0x3FBEA83C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	.long  0x3FFF0000,0xAB7A39B5,0xA93ED337,0x3FBECB00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	.long  0x3FFF0000,0xAD583EEA,0x42A14AC6,0x3FBE9301
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	.long  0x3FFF0000,0xAF3B78AD,0x690A4375,0xBFBD8367
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	.long  0x3FFF0000,0xB123F581,0xD2AC2590,0xBFBEF05F
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	.long  0x3FFF0000,0xB311C412,0xA9112489,0x3FBDFB3C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	.long  0x3FFF0000,0xB504F333,0xF9DE6484,0x3FBEB2FB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	.long  0x3FFF0000,0xB6FD91E3,0x28D17791,0x3FBAE2CB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	.long  0x3FFF0000,0xB8FBAF47,0x62FB9EE9,0x3FBCDC3C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	.long  0x3FFF0000,0xBAFF5AB2,0x133E45FB,0x3FBEE9AA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	.long  0x3FFF0000,0xBD08A39F,0x580C36BF,0xBFBEAEFD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	.long  0x3FFF0000,0xBF1799B6,0x7A731083,0xBFBCBF51
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	.long  0x3FFF0000,0xC12C4CCA,0x66709456,0x3FBEF88A
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	.long  0x3FFF0000,0xC346CCDA,0x24976407,0x3FBD83B2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	.long  0x3FFF0000,0xC5672A11,0x5506DADD,0x3FBDF8AB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	.long  0x3FFF0000,0xC78D74C8,0xABB9B15D,0xBFBDFB17
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	.long  0x3FFF0000,0xC9B9BD86,0x6E2F27A3,0xBFBEFE3C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	.long  0x3FFF0000,0xCBEC14FE,0xF2727C5D,0xBFBBB6F8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	.long  0x3FFF0000,0xCE248C15,0x1F8480E4,0xBFBCEE53
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	.long  0x3FFF0000,0xD06333DA,0xEF2B2595,0xBFBDA4AE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	.long  0x3FFF0000,0xD2A81D91,0xF12AE45A,0x3FBC9124
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	.long  0x3FFF0000,0xD4F35AAB,0xCFEDFA1F,0x3FBEB243
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	.long  0x3FFF0000,0xD744FCCA,0xD69D6AF4,0x3FBDE69A
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	.long  0x3FFF0000,0xD99D15C2,0x78AFD7B6,0xBFB8BC61
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	.long  0x3FFF0000,0xDBFBB797,0xDAF23755,0x3FBDF610
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	.long  0x3FFF0000,0xDE60F482,0x5E0E9124,0xBFBD8BE1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	.long  0x3FFF0000,0xE0CCDEEC,0x2A94E111,0x3FBACB12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	.long  0x3FFF0000,0xE33F8972,0xBE8A5A51,0x3FBB9BFE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	.long  0x3FFF0000,0xE5B906E7,0x7C8348A8,0x3FBCF2F4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	.long  0x3FFF0000,0xE8396A50,0x3C4BDC68,0x3FBEF22F
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	.long  0x3FFF0000,0xEAC0C6E7,0xDD24392F,0xBFBDBF4A
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	.long  0x3FFF0000,0xED4F301E,0xD9942B84,0x3FBEC01A
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	.long  0x3FFF0000,0xEFE4B99B,0xDCDAF5CB,0x3FBE8CAC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	.long  0x3FFF0000,0xF281773C,0x59FFB13A,0xBFBCBB3F
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	.long  0x3FFF0000,0xF5257D15,0x2486CC2C,0x3FBEF73A
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	.long  0x3FFF0000,0xF7D0DF73,0x0AD13BB9,0xBFB8B795
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	.long  0x3FFF0000,0xFA83B2DB,0x722A033A,0x3FBEF84B
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	.long  0x3FFF0000,0xFD3E0C0C,0xF486C175,0xBFBEF581
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	.set	N,L_SCR1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	.set	X,FP_SCR1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	.set	XDCARE,X+2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	.set	XFRAC,X+4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	.set	ADJFACT,FP_SCR2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	.set	FACT1,FP_SCR3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	.set	FACT1HI,FACT1+4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	.set	FACT1LOW,FACT1+8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	.set	FACT2,FP_SCR4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	.set	FACT2HI,FACT2+4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	.set	FACT2LOW,FACT2+8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	| xref	t_unfl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	|xref	t_ovfl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	|xref	t_frcinx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	.global	stwotoxd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) stwotoxd:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) |--ENTRY POINT FOR 2**(X) FOR DENORMALIZED ARGUMENT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	fmovel		%d1,%fpcr		| ...set user's rounding mode/precision
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	fmoves		#0x3F800000,%fp0  | ...RETURN 1 + X
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	movel		(%a0),%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	orl		#0x00800001,%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	fadds		%d0,%fp0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	bra		t_frcinx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	.global	stwotox
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) stwotox:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) |--ENTRY POINT FOR 2**(X), HERE X IS FINITE, NON-ZERO, AND NOT NAN'S
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	fmovemx	(%a0),%fp0-%fp0	| ...LOAD INPUT, do not set cc's
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	movel		(%a0),%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	movew		4(%a0),%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	fmovex		%fp0,X(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	andil		#0x7FFFFFFF,%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	cmpil		#0x3FB98000,%d0		| ...|X| >= 2**(-70)?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	bges		TWOOK1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	bra		EXPBORS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) TWOOK1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	cmpil		#0x400D80C0,%d0		| ...|X| > 16480?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	bles		TWOMAIN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	bra		EXPBORS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) TWOMAIN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) |--USUAL CASE, 2^(-70) <= |X| <= 16480
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	fmovex		%fp0,%fp1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	fmuls		#0x42800000,%fp1  | ...64 * X
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	fmovel		%fp1,N(%a6)		| ...N = ROUND-TO-INT(64 X)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	movel		%d2,-(%sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	lea		EXPTBL,%a1	| ...LOAD ADDRESS OF TABLE OF 2^(J/64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	fmovel		N(%a6),%fp1		| ...N --> FLOATING FMT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	movel		N(%a6),%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	movel		%d0,%d2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	andil		#0x3F,%d0		| ...D0 IS J
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	asll		#4,%d0		| ...DISPLACEMENT FOR 2^(J/64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	addal		%d0,%a1		| ...ADDRESS FOR 2^(J/64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	asrl		#6,%d2		| ...d2 IS L, N = 64L + J
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	movel		%d2,%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	asrl		#1,%d0		| ...D0 IS M
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	subl		%d0,%d2		| ...d2 IS M', N = 64(M+M') + J
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	addil		#0x3FFF,%d2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	movew		%d2,ADJFACT(%a6)	| ...ADJFACT IS 2^(M')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	movel		(%sp)+,%d2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) |--SUMMARY: a1 IS ADDRESS FOR THE LEADING PORTION OF 2^(J/64),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) |--D0 IS M WHERE N = 64(M+M') + J. NOTE THAT |M| <= 16140 BY DESIGN.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) |--ADJFACT = 2^(M').
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) |--REGISTERS SAVED SO FAR ARE (IN ORDER) FPCR, D0, FP1, a1, AND FP2.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	fmuls		#0x3C800000,%fp1  | ...(1/64)*N
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	movel		(%a1)+,FACT1(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	movel		(%a1)+,FACT1HI(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	movel		(%a1)+,FACT1LOW(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	movew		(%a1)+,FACT2(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	clrw		FACT2+2(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	fsubx		%fp1,%fp0		| ...X - (1/64)*INT(64 X)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	movew		(%a1)+,FACT2HI(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	clrw		FACT2HI+2(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	clrl		FACT2LOW(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	addw		%d0,FACT1(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	fmulx		LOG2,%fp0	| ...FP0 IS R
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	addw		%d0,FACT2(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	bra		expr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) EXPBORS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) |--FPCR, D0 SAVED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	cmpil		#0x3FFF8000,%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	bgts		EXPBIG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) EXPSM:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) |--|X| IS SMALL, RETURN 1 + X
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	fmovel		%d1,%FPCR		|restore users exceptions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	fadds		#0x3F800000,%fp0  | ...RETURN 1 + X
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	bra		t_frcinx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) EXPBIG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) |--|X| IS LARGE, GENERATE OVERFLOW IF X > 0; ELSE GENERATE UNDERFLOW
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) |--REGISTERS SAVE SO FAR ARE FPCR AND  D0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	movel		X(%a6),%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	cmpil		#0,%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	blts		EXPNEG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	bclrb		#7,(%a0)		|t_ovfl expects positive value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	bra		t_ovfl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) EXPNEG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	bclrb		#7,(%a0)		|t_unfl expects positive value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	bra		t_unfl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	.global	stentoxd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) stentoxd:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) |--ENTRY POINT FOR 10**(X) FOR DENORMALIZED ARGUMENT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	fmovel		%d1,%fpcr		| ...set user's rounding mode/precision
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	fmoves		#0x3F800000,%fp0  | ...RETURN 1 + X
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	movel		(%a0),%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	orl		#0x00800001,%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	fadds		%d0,%fp0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	bra		t_frcinx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	.global	stentox
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) stentox:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) |--ENTRY POINT FOR 10**(X), HERE X IS FINITE, NON-ZERO, AND NOT NAN'S
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	fmovemx	(%a0),%fp0-%fp0	| ...LOAD INPUT, do not set cc's
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	movel		(%a0),%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 	movew		4(%a0),%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	fmovex		%fp0,X(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	andil		#0x7FFFFFFF,%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	cmpil		#0x3FB98000,%d0		| ...|X| >= 2**(-70)?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 	bges		TENOK1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	bra		EXPBORS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) TENOK1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	cmpil		#0x400B9B07,%d0		| ...|X| <= 16480*log2/log10 ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	bles		TENMAIN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	bra		EXPBORS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) TENMAIN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) |--USUAL CASE, 2^(-70) <= |X| <= 16480 LOG 2 / LOG 10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	fmovex		%fp0,%fp1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	fmuld		L2TEN64,%fp1	| ...X*64*LOG10/LOG2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	fmovel		%fp1,N(%a6)		| ...N=INT(X*64*LOG10/LOG2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	movel		%d2,-(%sp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 	lea		EXPTBL,%a1	| ...LOAD ADDRESS OF TABLE OF 2^(J/64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	fmovel		N(%a6),%fp1		| ...N --> FLOATING FMT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	movel		N(%a6),%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	movel		%d0,%d2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	andil		#0x3F,%d0		| ...D0 IS J
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 	asll		#4,%d0		| ...DISPLACEMENT FOR 2^(J/64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	addal		%d0,%a1		| ...ADDRESS FOR 2^(J/64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	asrl		#6,%d2		| ...d2 IS L, N = 64L + J
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	movel		%d2,%d0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	asrl		#1,%d0		| ...D0 IS M
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	subl		%d0,%d2		| ...d2 IS M', N = 64(M+M') + J
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	addil		#0x3FFF,%d2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	movew		%d2,ADJFACT(%a6)	| ...ADJFACT IS 2^(M')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	movel		(%sp)+,%d2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) |--SUMMARY: a1 IS ADDRESS FOR THE LEADING PORTION OF 2^(J/64),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) |--D0 IS M WHERE N = 64(M+M') + J. NOTE THAT |M| <= 16140 BY DESIGN.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) |--ADJFACT = 2^(M').
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) |--REGISTERS SAVED SO FAR ARE (IN ORDER) FPCR, D0, FP1, a1, AND FP2.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 	fmovex		%fp1,%fp2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 	fmuld		L10TWO1,%fp1	| ...N*(LOG2/64LOG10)_LEAD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	movel		(%a1)+,FACT1(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	fmulx		L10TWO2,%fp2	| ...N*(LOG2/64LOG10)_TRAIL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	movel		(%a1)+,FACT1HI(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	movel		(%a1)+,FACT1LOW(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 	fsubx		%fp1,%fp0		| ...X - N L_LEAD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	movew		(%a1)+,FACT2(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 	fsubx		%fp2,%fp0		| ...X - N L_TRAIL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	clrw		FACT2+2(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	movew		(%a1)+,FACT2HI(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	clrw		FACT2HI+2(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	clrl		FACT2LOW(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	fmulx		LOG10,%fp0	| ...FP0 IS R
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 	addw		%d0,FACT1(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 	addw		%d0,FACT2(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) expr:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) |--FPCR, FP2, FP3 ARE SAVED IN ORDER AS SHOWN.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) |--ADJFACT CONTAINS 2**(M'), FACT1 + FACT2 = 2**(M) * 2**(J/64).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) |--FP0 IS R. THE FOLLOWING CODE COMPUTES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) |--	2**(M'+M) * 2**(J/64) * EXP(R)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	fmovex		%fp0,%fp1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	fmulx		%fp1,%fp1		| ...FP1 IS S = R*R
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 	fmoved		EXPA5,%fp2	| ...FP2 IS A5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 	fmoved		EXPA4,%fp3	| ...FP3 IS A4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 	fmulx		%fp1,%fp2		| ...FP2 IS S*A5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 	fmulx		%fp1,%fp3		| ...FP3 IS S*A4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 	faddd		EXPA3,%fp2	| ...FP2 IS A3+S*A5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 	faddd		EXPA2,%fp3	| ...FP3 IS A2+S*A4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 	fmulx		%fp1,%fp2		| ...FP2 IS S*(A3+S*A5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	fmulx		%fp1,%fp3		| ...FP3 IS S*(A2+S*A4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	faddd		EXPA1,%fp2	| ...FP2 IS A1+S*(A3+S*A5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 	fmulx		%fp0,%fp3		| ...FP3 IS R*S*(A2+S*A4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 	fmulx		%fp1,%fp2		| ...FP2 IS S*(A1+S*(A3+S*A5))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 	faddx		%fp3,%fp0		| ...FP0 IS R+R*S*(A2+S*A4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 	faddx		%fp2,%fp0		| ...FP0 IS EXP(R) - 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) |--FINAL RECONSTRUCTION PROCESS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) |--EXP(X) = 2^M*2^(J/64) + 2^M*2^(J/64)*(EXP(R)-1)  -  (1 OR 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 	fmulx		FACT1(%a6),%fp0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 	faddx		FACT2(%a6),%fp0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 	faddx		FACT1(%a6),%fp0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 	fmovel		%d1,%FPCR		|restore users exceptions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 	clrw		ADJFACT+2(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 	movel		#0x80000000,ADJFACT+4(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 	clrl		ADJFACT+8(%a6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	fmulx		ADJFACT(%a6),%fp0	| ...FINAL ADJUSTMENT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 	bra		t_frcinx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 	|end