1 | ;-*- Mode: Lisp; Package: CCL -*- |
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2 | ;;; |
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3 | ;;; Copyright (C) 2009 Clozure Associates |
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4 | ;;; Copyright (C) 1994-2001 Digitool, Inc |
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5 | ;;; This file is part of Clozure CL. |
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6 | ;;; |
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7 | ;;; Clozure CL is licensed under the terms of the Lisp Lesser GNU Public |
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8 | ;;; License , known as the LLGPL and distributed with Clozure CL as the |
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9 | ;;; file "LICENSE". The LLGPL consists of a preamble and the LGPL, |
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10 | ;;; which is distributed with Clozure CL as the file "LGPL". Where these |
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11 | ;;; conflict, the preamble takes precedence. |
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12 | ;;; |
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13 | ;;; Clozure CL is referenced in the preamble as the "LIBRARY." |
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14 | ;;; |
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15 | ;;; The LLGPL is also available online at |
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16 | ;;; http://opensource.franz.com/preamble.html |
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17 | |
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18 | |
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19 | |
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20 | (in-package "CCL") |
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21 | #+x8664-target |
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22 | (progn |
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23 | |
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24 | |
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25 | |
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26 | (defx86lapfunction %fixnum-signum ((number arg_z)) |
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27 | (movq ($ '-1) (% arg_x)) |
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28 | (movq ($ '1) (% arg_y)) |
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29 | (testq (% number) (% number)) |
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30 | (cmovsq (% arg_x) (% arg_z)) |
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31 | (cmovnsq (% arg_y) (% arg_z)) |
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32 | (single-value-return)) |
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33 | |
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34 | ;;; see %logcount. |
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35 | (defx86lapfunction %ilogcount ((number arg_z)) |
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36 | (let ((rshift imm0) |
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37 | (temp imm1)) |
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38 | (unbox-fixnum number rshift) |
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39 | (xorq (% arg_z) (% arg_z)) |
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40 | (testq (% rshift) (% rshift)) |
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41 | (jmp @test) |
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42 | @next |
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43 | (lea (@ -1 (% rshift)) (% temp)) |
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44 | (and (% temp) (% rshift)) ; sets flags |
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45 | (lea (@ '1 (% arg_z)) (% arg_z)) ; doesn't set flags |
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46 | @test |
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47 | (jne @next) |
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48 | (single-value-return))) |
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49 | |
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50 | (defx86lapfunction %iash ((number arg_y) (count arg_z)) |
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51 | (unbox-fixnum count imm1) |
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52 | (unbox-fixnum number imm0) |
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53 | (xorq (% rcx) (% rcx)) ;rcx = imm2 |
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54 | (testq (% count) (% count)) |
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55 | (jge @left) |
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56 | (subb (% imm1.b) (% cl)) |
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57 | (sar (% cl) (% imm0)) |
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58 | (box-fixnum imm0 arg_z) |
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59 | (single-value-return) |
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60 | @left |
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61 | (movb (% imm1.b) (% cl)) |
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62 | (shl (% cl) (% number)) |
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63 | (movq (% number) (% arg_z)) |
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64 | (single-value-return)) |
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65 | |
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66 | (defparameter *double-float-zero* 0.0d0) |
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67 | (defparameter *short-float-zero* 0.0s0) |
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68 | |
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69 | |
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70 | (defx86lapfunction %fixnum-intlen ((number arg_z)) |
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71 | (unbox-fixnum arg_z imm0) |
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72 | (movq (% imm0) (% imm1)) |
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73 | (notq (% imm1)) |
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74 | (testq (% imm0) (% imm0)) |
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75 | (cmovsq (% imm1) (% imm0)) |
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76 | (bsrq (% imm0) (% imm0)) |
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77 | (setne (% imm1.b)) |
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78 | (addb (% imm1.b) (% imm0.b)) |
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79 | (box-fixnum imm0 arg_z) |
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80 | (single-value-return)) |
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81 | |
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82 | |
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83 | ;;; Caller guarantees that result fits in a fixnum. |
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84 | |
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85 | (defx86lapfunction %truncate-double-float->fixnum ((arg arg_z)) |
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86 | (get-double-float arg fp1) |
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87 | (cvttsd2si (% fp1) (% imm0)) |
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88 | (box-fixnum imm0 arg_z) |
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89 | (single-value-return)) |
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90 | |
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91 | |
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92 | (defx86lapfunction %truncate-short-float->fixnum ((arg arg_z)) |
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93 | (get-single-float arg fp1) |
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94 | (cvttss2si (% fp1) (% imm0)) |
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95 | (box-fixnum imm0 arg_z) |
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96 | (single-value-return)) |
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97 | |
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98 | ;;; DOES round to even |
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99 | |
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100 | (defx86lapfunction %round-nearest-double-float->fixnum ((arg arg_z)) |
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101 | (get-double-float arg fp1) |
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102 | (cvtsd2si (% fp1) (% imm0)) |
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103 | (box-fixnum imm0 arg_z) |
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104 | (single-value-return)) |
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105 | |
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106 | |
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107 | (defx86lapfunction %round-nearest-short-float->fixnum ((arg arg_z)) |
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108 | (get-single-float arg fp1) |
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109 | (cvtss2si (% fp1) (% imm0)) |
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110 | (box-fixnum imm0 arg_z) |
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111 | (single-value-return)) |
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112 | |
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113 | |
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114 | |
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115 | ;;; We'll get a SIGFPE if divisor is 0. |
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116 | ;;; Don't use %rbp. Trust callback_for_interrupt() to preserve |
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117 | ;;; the word below the stack pointer |
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118 | (defx86lapfunction %fixnum-truncate ((dividend arg_y) (divisor arg_z)) |
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119 | (save-simple-frame) |
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120 | (cmpq ($ '-1) (% divisor)) |
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121 | (je @neg) |
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122 | (unbox-fixnum divisor imm0) |
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123 | (movq (% imm0) (% imm2)) |
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124 | (unbox-fixnum dividend imm0) |
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125 | (cqto) ; imm1 := sign_extend(imm0) |
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126 | (idivq (% imm2)) |
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127 | (pop (% rbp)) |
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128 | (movq (% rsp) (% temp0)) |
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129 | (box-fixnum imm1 arg_y) |
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130 | (box-fixnum imm0 arg_z) |
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131 | (pushq (% arg_z)) |
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132 | (pushq (% arg_y)) |
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133 | (set-nargs 2) |
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134 | (jmp-subprim .SPvalues) |
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135 | @neg |
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136 | (negq (% dividend)) |
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137 | (load-constant *least-positive-bignum* arg_z) |
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138 | (cmovoq (@ x8664::symbol.vcell (% arg_z)) (% dividend)) |
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139 | (pop (% rbp)) |
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140 | (movq (% rsp) (% temp0)) |
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141 | (pushq (% dividend)) |
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142 | (pushq ($ 0)) |
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143 | (set-nargs 2) |
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144 | (jmp-subprim .SPvalues)) |
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145 | |
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146 | |
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147 | (defx86lapfunction called-for-mv-p () |
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148 | (ref-global ret1valaddr imm0) |
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149 | (movq (@ x8664::lisp-frame.return-address (% rbp)) (% imm1)) |
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150 | (cmpq (% imm0) (% imm1)) |
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151 | (movq ($ t) (% imm0)) |
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152 | (movq ($ nil) (% arg_z)) |
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153 | (cmoveq (% imm0) (% arg_z)) |
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154 | (single-value-return)) |
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155 | |
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156 | |
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157 | ;;; n1 and n2 must be positive (esp non zero) |
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158 | (defx86lapfunction %fixnum-gcd ((boxed-u arg_y) (boxed-v arg_z)) |
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159 | (let ((u imm0) |
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160 | (v imm1) |
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161 | (k imm2)) |
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162 | (xorl (% imm2.l) (% imm2.l)) |
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163 | (bsfq (% boxed-u) (% u)) |
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164 | (bsfq (% boxed-v) (% v)) |
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165 | (rcmp (% u) (% v)) |
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166 | (cmovlel (%l u) (%l k)) |
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167 | (cmovgl (%l v) (%l k)) |
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168 | (unbox-fixnum boxed-u u) |
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169 | (unbox-fixnum boxed-v v) |
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170 | (subb ($ x8664::fixnumshift) (%b k)) |
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171 | (jz @start) |
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172 | (shrq (% cl) (% u)) |
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173 | (shrq (% cl) (% v)) |
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174 | @start |
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175 | ;; At least one of u or v is odd at this point |
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176 | @loop |
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177 | ;; if u is even, shift it right one bit |
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178 | (testb ($ 1) (%b u)) |
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179 | (jne @u-odd) |
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180 | (shrq ($ 1) (% u)) |
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181 | (jmp @test) |
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182 | @u-odd |
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183 | ;; if v is even, shift it right one bit |
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184 | (testb ($ 1) (%b v)) |
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185 | (jne @both-odd) |
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186 | (shrq ($ 1) (% v)) |
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187 | (jmp @test-u) |
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188 | @both-odd |
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189 | (cmpq (% v) (% u)) |
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190 | (jb @v>u) |
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191 | (subq (% v) (% u)) |
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192 | (shrq ($ 1) (% u)) |
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193 | (jmp @test) |
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194 | @v>u |
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195 | (subq (% u) (% v)) |
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196 | (shrq ($ 1) (% v)) |
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197 | @test-u |
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198 | (testq (% u) (% u)) |
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199 | @test |
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200 | (ja @loop) |
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201 | (shlq (% cl) (% v)) |
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202 | (movb ($ 0) (% cl)) |
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203 | (box-fixnum v arg_z) |
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204 | (single-value-return))) |
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205 | |
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206 | (defx86lapfunction %mrg31k3p ((state arg_z)) |
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207 | (let ((seed temp0) |
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208 | (m1 #x7fffffff) |
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209 | (m2 #x7fffadb3) |
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210 | (negative-m1 #x80000001) |
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211 | (negative-m2 #x8000524d)) |
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212 | (svref state 1 seed) |
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213 | (movl (@ (+ x8664::misc-data-offset (* 4 1)) (% seed)) (% imm0.l)) |
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214 | (andl ($ #x1ff) (% imm0.l)) |
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215 | (shll ($ 22) (% imm0.l)) |
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216 | (movl (@ (+ x8664::misc-data-offset (* 4 1)) (% seed)) (% imm1.l)) |
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217 | (shrl ($ 9) (% imm1.l)) |
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218 | (addl (% imm1.l) (% imm0.l)) |
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219 | |
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220 | (movl (@ (+ x8664::misc-data-offset (* 4 2)) (% seed)) (% imm1.l)) |
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221 | (andl ($ #xffffff) (% imm1.l)) |
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222 | (shll ($ 7) (% imm1.l)) |
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223 | (addl (% imm1.l) (% imm0.l)) |
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224 | (movl (@ (+ x8664::misc-data-offset (* 4 2)) (% seed)) (% imm1.l)) |
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225 | (shrl ($ 24) (% imm1.l)) |
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226 | |
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227 | (addl (% imm1.l) (% imm0.l)) |
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228 | (leal (@ negative-m1 (% imm0.l)) (% imm1.l)) |
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229 | (cmpl ($ m1) (% imm0.l)) |
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230 | (cmovael (% imm1.l) (% imm0.l)) |
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231 | |
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232 | (addl (@ (+ x8664::misc-data-offset (* 4 2)) (% seed)) (% imm0.l)) |
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233 | (leal (@ negative-m1 (% imm0.l)) (% imm1.l)) |
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234 | (cmpl ($ m1) (% imm0.l)) |
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235 | (cmovael (% imm1.l) (% imm0.l)) |
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236 | |
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237 | ;; update state |
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238 | (movl (@ (+ x8664::misc-data-offset (* 4 1)) (% seed)) (% imm1.l)) |
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239 | (movl (% imm1.l) (@ (+ x8664::misc-data-offset (* 4 2)) (% seed))) |
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240 | (movl (@ (+ x8664::misc-data-offset (* 4 0)) (% seed)) (% imm1.l)) |
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241 | (movl (% imm1.l) (@ (+ x8664::misc-data-offset (* 4 1)) (% seed))) |
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242 | (movl (% imm0.l) (@ (+ x8664::misc-data-offset (* 4 0)) (% seed))) |
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243 | |
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244 | ;; second component |
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245 | (movl (@ (+ x8664::misc-data-offset (* 4 3)) (% seed)) (% imm0.l)) |
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246 | (andl ($ #xffff) (% imm0.l)) |
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247 | (shll ($ 15) (% imm0.l)) |
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248 | (movl (@ (+ x8664::misc-data-offset (* 4 3)) (% seed)) (% imm1.l)) |
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249 | (shrl ($ 16) (% imm1.l)) |
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250 | (imull ($ 21069) (% imm1.l) (% imm1.l)) |
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251 | |
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252 | (addl (% imm1.l) (% imm0.l)) |
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253 | (leal (@ negative-m2 (% imm0.l)) (% imm1.l)) |
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254 | (cmpl ($ m2) (% imm0.l)) |
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255 | (cmovael (% imm1.l) (% imm0.l)) |
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256 | |
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257 | (movl (% imm0.l) (% imm2.l)) ;stash t1 |
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258 | |
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259 | (movl (@ (+ x8664::misc-data-offset (* 4 5)) (% seed)) (% imm0.l)) |
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260 | (andl ($ #xffff) (% imm0.l)) |
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261 | (shll ($ 15) (% imm0.l)) |
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262 | (movl (@ (+ x8664::misc-data-offset (* 4 5)) (% seed)) (% imm1.l)) |
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263 | (shrl ($ 16) (% imm1.l)) |
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264 | (imull ($ 21069) (% imm1.l) (% imm1.l)) |
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265 | |
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266 | (addl (% imm1.l) (% imm0.l)) |
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267 | (leal (@ negative-m2 (% imm0.l)) (% imm1.l)) |
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268 | (cmpl ($ m2) (% imm0.l)) |
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269 | (cmovael (% imm1.l) (% imm0.l)) |
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270 | |
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271 | (addl (@ (+ x8664::misc-data-offset (* 4 5)) (% seed)) (% imm0.l)) |
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272 | (leal (@ negative-m2 (% imm0.l)) (% imm1.l)) |
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273 | (cmpl ($ m2) (% imm0.l)) |
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274 | (cmovael (% imm1.l) (% imm0.l)) |
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275 | |
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276 | (addl (% imm2.l) (% imm0.l)) ;add in t1 |
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277 | (leal (@ negative-m2 (% imm0.l)) (% imm1.l)) |
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278 | (cmpl ($ m2) (% imm0.l)) |
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279 | (cmovael (% imm1.l) (% imm0.l)) |
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280 | |
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281 | ;; update state |
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282 | (movl (@ (+ x8664::misc-data-offset (* 4 4)) (% seed)) (% imm1.l)) |
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283 | (movl (% imm1.l) (@ (+ x8664::misc-data-offset (* 4 5)) (% seed))) |
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284 | (movl (@ (+ x8664::misc-data-offset (* 4 3)) (% seed)) (% imm1.l)) |
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285 | (movl (% imm1.l) (@ (+ x8664::misc-data-offset (* 4 4)) (% seed))) |
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286 | (movl (% imm0.l) (@ (+ x8664::misc-data-offset (* 4 3)) (% seed))) |
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287 | |
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288 | ;; combination |
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289 | (movl (@ (+ x8664::misc-data-offset (* 4 0)) (% seed)) (% imm1.l)) |
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290 | (xchgl (% imm1.l) (% imm0.l)) ;for sanity |
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291 | (rcmpl (% imm0.l) (% imm1.l)) |
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292 | (ja @ok) |
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293 | (subl (% imm1.l) (% imm0.l)) |
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294 | (addl ($ m1) (% imm0.l)) |
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295 | (box-fixnum imm0 arg_z) |
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296 | (single-value-return) |
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297 | @ok |
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298 | (subl (% imm1.l) (% imm0.l)) |
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299 | (box-fixnum imm0 arg_z) |
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300 | (single-value-return))) |
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301 | |
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302 | ;;; End of x86-numbers.lisp |
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303 | ) ; #+x8664-target |
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