�����JFIF��XX����������    $.' ",#(7),01444'9=82<.342  2!!22222222222222222222222222222222222222222222222222�����"����4���������������������������� ���������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������,�PG"Z_�4�˷����kjز�Z�,F+��_z�,�© �����zh6�٨�ic�fu������������������������������������#ډb���_�N��?�����������wQ���5-�~�I���8���������������������������������TK<5o�Iv-������������������k�_U_������������������������������~b�M��d��������Ӝ�U�Hh��?]��E�w��Q���k�{��_}qFW7HTՑ��Y��F�����?_�'ϔ��_�Ջt������������������������=||I �����6�έ"�����D���/[�k�9����Y�8������ds|\���Ҿp6�Ҵ���]��.����6���z<�v��@]�i%������������������������$j��~����g��J>��no����pM[me�i$[�����������s�o�ᘨ�˸ nɜG-�ĨU�ycP���3.DB�li�;���������������������hj���x����7Z^�N�h��������N3u{�:j�����x�힞��#M��&��jL P@��_���� P�������������������&��o8��������9������@Sz���6�t7#O�ߋ �����s}Yf�T������lmr����Z)'N��k�۞p�����w\�T���������������ȯ?�8`���O��i{wﭹW�[�r�� ��Q4F�׊������3m&L�=��h3�������z~��#����\�l :�F,j@�� ʱ�wQT����8�"kJO����6�֚l������������������}����R�>ډK���]��y����&����p�}b������;N�1�m�r$����|��7�>e�@���B�TM*-i�H��g�D�)� E�m�|�ؘbҗ�a���Ҿ����������������t4�����o���G��*oCN�rP���Q��@z,|?W[0���������:�n,j���WiE��W������$~/�hp\��?��{(�0���+�Y8rΟ�+����>S-S���������������VN;���}�s?.����� w��9��˟<���Mq4�Wv'������{)0�1mB����V����W[��������8�/<� �%���wT^�5���b��)iM� p�g�N�&ݝ������������VO~��q���u���9��� ����!��J27�����$����O-���! �:���%H��� ـ�������y�ΠM=t{!S�� �oK8�������t<����è��������:a��������[������ա�H���~��w��Qz`�p����o�^ ������Q��n����� �,uu�C��$ ^���,�������8�#��:�6��e�|~�����������!�3��3.�\0�����q��o�4`.|� ����y�Q�`~;�d�ׯ,��O�Zw�������`73�v�܋�<�����Ȏ�� ـ4k��5�K�a�u�=9Yd��$>x�A�&�� j0� ���vF��� Y���|�y��� ~�6�@c��1vOp��������Ig�����4��l�OD�����L����� R���c���j�_�uX�6��3?nk��Wy�f;^*B� ��@���~a�`��Eu�������+�����6�L��.ü>��}y���}_�O�6�͐�:�Yr���G�X��kG������l^w����������~㒶sy���Iu�!���� W ��X��N�7BV��O��!X�2����wvG�R�f�T#�����t�/?���%8�^�W�aT����G�cL�M���I��(J����1~�8�?aT ���]����AS�E��(��*E}� 2������#I/�׍qz��^t�̔���������b�Yz4x����t�){ OH�����+(E��A&�N�������XT��o��"�XC����'���)}�J�z�p� ����~5�}�^����+�6����w��c��Q�|�Lp�d�H��}�(�.|����k��c4^�����"�����Z?ȕ ��a<�������L�!0�39C� �Eu�����C�F�Ew�ç ;�n?�*o���B�8�bʝ���'#Rqf����M}7����]�������s2tcS{�\icTx;�\��7K���P������ʇ Z O-��~�������c>"��?��������P�����E��O�8��@�8��G��Q�g�a�Վ���󁶠��䧘��_%#r�>�����1�z�a���eb��qcP��ѵ��n���#L��� =��׀t� L�7�`�����V����A{�C:�g���e@�����w1 Xp�3�c3�ġ�������p��M"'-�@n4���fG���B3�DJ�8[Jo�ߐ���gK)ƛ��$���� �������8�3�����+���� �����6�ʻ���� ���S�kI�*KZlT _`�������?��K�����QK�d���������B`�s}�>���`������*�>��,*@J�d�oF*�����弝��O}�k��s��]��y�ߘ�������c1G�V���<=�7��7����6��q�PT��tXԀ�!9*4�4Tހ���3XΛex�46�������Y��D ����� ����BdemDa����\�_l,����G�/���֌7���Y�](�xTt^%�GE�����4�}bT����ڹ�����;��Y)���B�Q��u��>J/J ���⮶.�XԄ��j�ݳ������+E��d ���r�5�_D�����1 ���o�� �B�x�΢�#����<��W�����8���R6�@���g�M�.��� dr�D��>(otU��@�x=��~v���2� ӣ�d�oBd�����3�eO�6�㣷����������ݜ�6��6Y��Qz`����S��{���\P��~z m5{J/L��1������<�e�ͅPu���b�]�ϔ��������'�������f�b� Zpw��c`"��i���BD@:)ִ�:�]��h���v�E��w���T�l�������P����"Ju�}��وV ��J��G6��. J/�Qgl߭�e�����@�z�Zev2u����)]կ���������7x�������s�M�-<ɯ�c��r��v�����@��$�ޮ}lk���a����'����>x��O\�Z������Fu>������ck#��&:��`�$��ai�>2Δ����l���oF[h�������lE�ܺ�Π���k:)���`������� $[6�����9�����kOw�\|�����8}������ބ:��񶐕��������I�A1/���=�2[�,�!��.}gN#�u����b���� ~���������݊��}34q�����d�E��L��������c��$���"�[q�U�硬g^��%B ��z���r�p�������J�ru%v\h�����1Y�ne`������ǥ:g����pQM~�^��Xi� ��`S�:V2������9.�P���V������?B�k�� ��������AEvw%�_�9C�Q����wKekP�ؠ�\������;Io d�{ ߞo�c1eP�����\� `����E=���@K<�Y��������eڼ�J����w����{av�F�'�M�@��������������/J��+9p����|]���������Iw &`���8���&�M�hg���[�{�������Xj���%��Ӓ�������������������$��(�����ʹN�������<>�I���RY�����K2�NPlL�ɀ�)��&e��������B+ь����(������������������� � �JTx����_?EZ� }@���� 6�U���뙢ط�z��dWI��n` D����噥�[��uV��"�G&�����Ú����2�g�}&m���������������������?ċ���"����Om#�������������������������� ��{���������������������ON��"S�X���Ne��ysQ���@�������������Fn��Vg�����dX�~nj����������������������]J�<�K]:����FW���b�������62����������=��5f����JKw����bf�X������������������������55��~J �%^�������:�-�QIE��P��v�nZum� z � ~ə ���� ���ة����;�f��\v�������g�8�1��f2�������������������������4;�V���ǔ�)�������������������9���1\������������������������������c��v�/'Ƞ�w������������������$�4�R-��t����������������������������������� e�6�/�ġ �̕Ecy�J���u�B���<�W�ַ~�w[B1L۲�-JS΂�{���΃�������������������������������������������A��20�c#���������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������@���� 0!1@AP"#2Q`$3V�%45a6�FRUq����� ������^7ׅ,$n��������+��F�`��2X'��0vM��p�L=�������5��8������u�p~���.�`r�����\����O��,ư�0oS ��_�M�����l���4�kv\JSd���x���SW�<��Ae�IX����������$I���w�:S���y���›R��9�Q[���,�5�;�@]�%���u�@ *ro�lbI �� ��+���%m:�͇ZV�����u�̉����θau<�fc�.����{�4Ա� �Q����*�Sm��8\ujqs]{kN���)qO�y�_*dJ�b�7���yQqI&9�ԌK!�M}�R�;�������S�T���1���i[U�ɵz�]��U)V�S6���3$K{��ߊ<�(� E]Զ[ǼENg�����'�\?#)Dkf��J���o��v���'�%ƞ�&K�u��!��b�35LX�Ϸ��63$K�a�;�9>,R��W��3�3� d�JeTYE.Mϧ��-�o�j3+y��y^�c�������VO�9NV\nd�1 ��!͕_)a�v;����թ�M�lWR1��)El��P;��yوÏ�u 3�k�5Pr6<�⒲l�!˞*��u־�n�!�l:����UNW ��%��Chx8vL'��X�@��*��)���̮��ˍ��� ����D-M�+J�U�kvK����+�x8��cY������?�Ԡ��~3mo��|�u@[XeY�C�\Kp�x8�oC�C�&����N�~3-H���� ��MX�s�u<`���~"WL��$8ξ��3���a�)|:@�m�\���^�`�@ҷ)�5p+��6���p�%i)P M���ngc�����#0Aruz���RL+xSS?���ʮ}()#�t��mˇ!��0}}y����<�e� �-ή�Ԩ��X������ MF���ԙ~l L.3���}�V뽺�v������멬��Nl�)�2����^�Iq��a��M��qG��T�����c3#������3U�Ǎ���}��לS�|qa��ڃ�+���-��2�f����/��bz��ڐ�� �ݼ[2�ç����k�X�2�* �Z�d���J�G����M*9W���s{��w���T��x��y,�in�O�v��]���n����P�$��JB@=4�OTI�n��e�22a\����q�d���%�$��(���:���: /*�K[PR�fr\nڙdN���F�n�$�4��[�� U�zƶ����� �mʋ���,�ao�u 3�z� �x��Kn����\[��VFmbE;�_U��&V�Gg�]L�۪&#n%�$ɯ��dG���D�TI=�%+AB�Ru#��b4�1�»x�cs�YzڙJG��f��Il���d�eF'T� iA��T���uC�$����Y��H?����[!G`}���ͪ� �纤Hv\������j�Ex�K���!���OiƸ�Yj�+u-<���'q����uN�*�r\��+�]���<�wOZ.fp�ێ��,-*)V?j-kÊ#�`�r��dV����(�ݽBk�����G�ƛk�QmUڗe��Z���f}|����8�8��a���i��3'J�����~G_�^���d�8w������ R�`(�~�.��u���l�s+g�bv���W���lGc}��u���afE~1�Ue������Z�0�8�=e�� f@/�jqEKQQ�J���oN��J���W5~M>$6�Lt�;$ʳ{���^��6�{����v6���ķܰg�V�cnn �~z�x�«�,2�u�?cE+Ș�H؎�%�Za�)���X>uW�Tz�Nyo����s���FQƤ��$��*�&�LLXL)�1�" L��eO��ɟ�9=���:t��Z���c��Ž���Y?�ӭV�wv�~,Y��r�ۗ�|�y��GaF�����C�����.�+� ���v1���fήJ�����]�S��T��B��n5sW}y�$��~z�'�c ��8 ��� ,! �p��VN�S��N�N�q��y8z˱�A��4��*��'������2n<�s���^ǧ˭P�Jޮɏ�U�G�L�J�*#��<�V��t7�8����TĜ>��i}K%,���)[��z�21z ?�N�i�n1?T�I�R#��m-�����������������1����lA�`��fT5+��ܐ�c�q՝��ʐ��,���3�f2U�եmab��#ŠdQ�y>\��)�SLY����w#��.���ʑ�f��� ,"+�w�~�N�'�c�O�3F�������N<���)j��&��,-� �љ���֊�_�zS���TǦ����w�>��?�������n��U仆�V���e�����0���$�C�d���rP �m�׈e�Xm�Vu� �L��.�bֹ��� �[Դaզ���*��\y�8�Է:�Ez\�0�Kq�C b��̘��cө���Q��=0Y��s�N��S.����3.���O�o:���#���v7�[#߫ ��5�܎�L���Er4���9n��COWlG�^��0k�%<���ZB���aB_���������'=��{i�v�l�$�uC���mƎҝ{�c㱼�y]���W�i ��ߧc��m�H� m�"�"�����;Y�ߝ�Z�Ǔ�����:S#��|}�y�,/k�Ld� TA�(�AI$+I3��;Y*���Z��}|��ӧO��d�v��..#:n��f>�>���ȶI�TX��� 8��y����"d�R�|�)0���=���n4��6ⲑ�+��r<�O�܂~zh�z����7ܓ�HH�Ga롏���nCo�>������a ���~]���R���̲c?�6(�q�;5%� |�uj�~z8R�=X��I�V=�|{v�Gj\gc��q����z�؋%M�ߍ����1y��#��@f^���^�>N������#x#۹��6�Y~�?�dfPO��{��P�4��V��u1E1J �*|���%����JN��`eWu�zk M6���q t[�� ��g�G���v��WIG��u_ft����5�j�"�Y�:T��ɐ���*�;� e5���4����q$C��2d�}���� _S�L#m�Yp��O�.�C�;��c����Hi#֩%+) �Ӎ��ƲV���SYź��g |���tj��3�8���r|���V��1#;.SQ�A[���S������#���`n�+���$��$�I �P\[�@�s��(�ED�z���P��])8�G#��0B��[ى��X�II�q<��9�~[Z멜�Z�⊔IWU&A>�P~�#��dp<�?����7���c��'~���5 ��+$���lx@�M�dm��n<=e�dyX��?{�|Aef ,|n3�<~z�ƃ�uۧ�����P��Y,�ӥQ�*g�#먙R�\���;T��i,��[9Qi歉����c>]9�� ��"�c��P�� �Md?٥��If�ت�u��k��/����F��9�c*9��Ǎ:�ØF���z�n*�@|I�ށ9����N3{'��[�'ͬ�Ҳ4��#}��!�V� Fu��,�,mTIk���v C�7v���B�6k�T9��1�*l� '~��ƞF��lU��'�M ����][ΩũJ_�{�i�I�n��$����L�� j��O�dx�����kza۪��#�E��Cl����x˘�o�����V���ɞ�ljr��)�/,�߬h�L��#��^��L�ф�,íMƁe�̩�NB�L�����iL����q�}��(��q��6IçJ$�W�E$��:������=#����(�K�B����zђ <��K(�N�۫K�w��^O{!����)��H���>x�������lx�?>Պ�+�>�W���,Ly!_�D���Ō�l���Q�!�[ �S����J��1��Ɛ�Y}��b,+�Lo�x�ɓ)����=�y�oh�@�꥟/��I��ѭ=��P�y9��� �ۍYӘ�e+�p�Jnϱ?V\SO%�(�t� ���=?MR�[Ș�����d�/ ��n�l��B�7j� ��!�;ӥ�/�[-���A�>��dN�sLj ��,ɪv��=1c�.SQ�O3�U���ƀ�ܽ�E����������̻��9G�ϷD�7(�}��Ävӌ\��y�_0[w ���<΍>����a_��[0+�L��F.�޺��f�>oN�T����q;���y\��bՃ��y�jH�<|q-eɏ�_?_9+P���Hp$�����[ux�K w�Mw��N�ی'$Y2�=��q���KB��P��~�������Yul:�[<����F1�2�O���5=d����]Y�sw:���Ϯ���E��j,_Q��X��z`H1,#II ��d�wr��P˂@�ZJV����y$�\y�{}��^~���[:N����ߌ�U�������O��d�����ؾe��${p>G��3c���Ė�lʌ�� ת��[��`ϱ�-W����dg�I��ig2��� ��}s ��ؤ(%#sS@���~���3�X�nRG�~\jc3�v��ӍL��M[JB�T��s3}��j�Nʖ��W����;7���ç?=X�F=-�=����q�ߚ���#���='�c��7���ڑW�I(O+=:uxq�������������e2�zi+�kuG�R��������0�&e�n���iT^J����~\jy���p'dtG��s����O��3����9* �b#Ɋ�� p������[Bws�T�>d4�ۧs���nv�n���U���_�~,�v����ƜJ1��s�� �QIz���)�(lv8M���U=�;����56��G���s#�K���MP�=��LvyGd��}�VwWBF�'�à �?MH�U�g2�� ����!�p�7Q��j��ڴ����=��j�u��� Jn�A s���uM������e��Ɔ�Ҕ�!)�'��8Ϣ�ٔ���ޝ(��Vp���צ֖d=�IC�J�Ǡ{q������kԭ�߸���i��@K����u�|�p=..�*+����x�����z[Aqġ#s2a�Ɗ���RR�)*HRsi�~�a &f��M��P����-K�L@��Z��Xy�'x�{}��Zm+���:�)�) IJ�-i�u���� ���ܒH��'��L(7�y�GӜq���� j��� 6ߌg1�g�o���,kر���tY�?W,���p���e���f�OQS��!K�۟cҒA�|ս�j�>��=⬒��˧L[�� �߿2JaB~R��u�:��Q�] �0H~���]�7��Ƽ�I���(�}��cq '�ήET���q�?f�ab���ӥvr� �)o��-Q��_'����ᴎo��K������;��V���o��%���~OK ����*��b�f:���-ťIR��`B�5!RB@���ï�� �u �̯e\�_U�_������� g�ES��3��������QT��a�����x����U<~�c?�*�#]�MW,[8O�a�x��]�1bC|踤�P��lw5V%�)�{t�<��d��5���0i�XSU��m:��Z�┵�i�"��1�^B�-��P�hJ��&)O��*�D��c�W��vM��)����}���P��ܗ-q����\mmζZ-l@�}��a��E�6��F�@��&Sg@���ݚ�M����� ȹ 4����#p�\H����dYDo�H���"��\��..R�B�H�z_�/5˘����6��KhJR��P�mƶi�m���3��,#c�co��q�a)*P�t����R�m�k�7x�D�E�\Y�閣_X�<���~�)���c[[�BP����6�Yq���S��0����%_����;��Àv�~�| VS؇ ��'O0��F0��\���U�-�d@�����7�SJ*z��3n��y��P����O����������m�~�P�3|Y��ʉr#�C�<�G~�.,! ���bqx���h~0=��!ǫ�jy����l��O,�[B��~��|9��ٱ����Xly�#�i�B��g%�S��������tˋ���e���ې��\[d�t)��.+u�|1 ������#�~Oj����hS�%��i.�~X���I�H�m��0n���c�1uE�q��cF�RF�o���7� �O�ꮧ� ���ۛ{��ʛi5�rw?׌#Qn�TW��~?y$��m\�\o����%W� ?=>S�N@�� �Ʈ���R����N�)�r"C�:��:����� �����#��qb��Y�. �6[��2K����2u�Ǧ�HYR��Q�MV��� �G�$��Q+.>�����nNH��q�^��� ����q��mM��V��D�+�-�#*�U�̒ ���p욳��u:�������IB���m����PV@O���r[b= �� ��1U�E��_Nm�yKbN�O���U�}�the�`�|6֮P>�\2�P�V���I�D�i�P�O;�9�r�mAHG�W�S]��J*�_�G��+kP�2����Ka�Z���H�'K�x�W�MZ%�O�YD�Rc+o��?�q��Ghm��d�S�oh�\�D�|:W������UA�Qc yT�q��������~^�H��/��#p�CZ���T�I�1�ӏT����4��"�ČZ�����}��`w�#�*,ʹ�� ��0�i��課�Om�*�da��^gJ݅{���l�e9uF#T�ֲ��̲�ٞC"�q���ߍ ոޑ�o#�XZTp����@ o�8��(jd��xw�]�,f���`~��|,s��^����f�1���t��|��m�򸄭/ctr��5s��7�9Q�4�H1꠲BB@�l9@���C�����+�wp�xu�£Yc�9��?`@#�o�mH�s2��)�=��2�.�l����jg�9$�Y�S�%*L������R�Y������7Z���,*=�䷘$�������arm�o�ϰ���UW.|�r�uf����IGw�t����Zwo��~5 ��YյhO+=8fF�)�W�7�L9lM�̘·Y���֘YLf�큹�pRF���99.A �"wz��=E\Z���'a� 2��Ǚ�#;�'}�G���*��l��^"q��+2FQ� hj��kŦ��${���ޮ-�T�٭cf�|�3#~�RJ����t��$b�(R��(����r���dx� >U b�&9,>���%E\� Ά�e�$��'�q't��*�א���ެ�b��-|d���SB�O�O��$�R+�H�)�܎�K��1m`;�J�2�Y~9��O�g8=vqD`K[�F)k�[���1m޼c��n���]s�k�z$@��)!I �x՝"v��9=�ZA=`Ɠi �:�E��)`�7��vI��}d�YI�_ �o�:ob���o ���3Q��&D&�2=�� �Ά��;>�h����y.*ⅥS������Ӭ�+q&����j|UƧ�����}���J0��WW< ۋS�)jQR�j���Ư��rN)�Gű�4Ѷ(�S)Ǣ�8��i��W52���No˓� ۍ%�5brOn�L�;�n��\G����=�^U�dI���8$�&���h��'���+�(������cȁ߫k�l��S^���cƗjԌE�ꭔ��gF���Ȓ��@���}O���*;e�v�WV���YJ\�]X'5��ղ�k�F��b 6R�o՜m��i N�i�����>J����?��lPm�U��}>_Z&�KK��q�r��I�D�Չ~�q�3fL�:S�e>���E���-G���{L�6p�e,8��������QI��h��a�Xa��U�A'���ʂ���s�+טIjP�-��y�8ۈZ?J$��W�P� ��R�s�]��|�l(�ԓ��sƊi��o(��S0���Y� 8�T97.�����WiL��c�~�dxc�E|�2!�X�K�Ƙਫ਼�$((�6�~|d9u+�qd�^3�89��Y�6L�.I�����?���iI�q���9�)O/뚅����O���X��X�V��ZF[�یgQ�L��K1���RҖr@v�#��X�l��F���Нy�S�8�7�kF!A��sM���^rkp�jP�DyS$N���q���nxҍ!U�f�!eh�i�2�m����`�Y�I�9r�6� �TF���C}/�y�^���Η���5d�'��9A-��J��>{�_l+�`��A���[�'��յ�ϛ#w:݅�%��X�}�&�PSt�Q�"�-��\縵�/����$Ɨh�Xb�*�y��BS����;W�ջ_mc�����vt?2}1�;qS�d�d~u:2k5�2�R�~�z+|HE!)�Ǟl��7`��0�<�,�2*���Hl-��x�^����'_TV�gZA�'j� ^�2Ϊ��N7t�����?w�� �x1��f��Iz�C-Ȗ��K�^q�;���-W�DvT�7��8�Z�������� hK�(P:��Q- �8�n�Z���܃e貾�<�1�YT<�,�����"�6{�/ �?�͟��|1�:�#g��W�>$����d��J��d�B���=��jf[��%rE^��il:��B���x���Sּ�1հ��,�=��*�7 fcG��#q� �eh?��2�7�����,�!7x��6�n�LC�4x��},Geǝ�tC.��vS �F�43��zz\��;QYC,6����~;RYS/6���|2���5���v��T��i����������mlv��������&� �nRh^ejR�LG�f���? �ۉҬܦƩ��|��Ȱ����>3����!v��i�ʯ�>�v��オ�X3e���_1z�Kȗ\<������!�8���V��]��?b�k41�Re��T�q��mz��TiOʦ�Z��Xq���L������q"+���2ۨ��8}�&N7XU7Ap�d�X��~�׿��&4e�o�F��� �H�����O���č�c�� 懴�6���͉��+)��v;j��ݷ�� �UV�� i��� j���Y9GdÒJ1��詞�����V?h��l�����l�cGs�ځ�������y�Ac������\V3�? �� ܙg�>qH�S,�E�W�[�㺨�uch�⍸�O�}���a��>�q�6�n6�����N6�q��������N� ���! 1AQaq�0@����"2BRb�#Pr���3C`��Scst���$4D���%Td���� ?�����N����a��3��m���C���w��������xA�m�q�m����m������$����4n淿t'��C"w��zU=D�\R+w�p+Y�T�&�պ@��ƃ��3ޯ?�Aﶂ��aŘ���@-�����Q�=���9D��ռ�ѻ@��M�V��P��܅�G5�f�Y<�u=,EC)�<�Fy'�"�&�չ�X~f��l�KԆV��?�� �W�N����=(� �;���{�r����ٌ�Y���h{�١������jW����P���Tc�����X�K�r��}���w�R��%��?���E��m�� �Y�q|����\lEE4����r���}�lsI�Y������f�$�=�d�yO����p�����yBj8jU�o�/�S��?�U��*������ˍ�0�������u�q�m [�?f����a�� )Q�>����6#������� ?����0UQ����,IX���(6ڵ[�DI�MNލ�c&���υ�j\��X�R|,4��� j������T�hA�e��^���d���b<����n�� �즇�=!���3�^�`j�h�ȓr��jẕ�c�,ٞX����-����a�ﶔ���#�$��]w�O��Ӫ�1y%��L�Y<�wg#�ǝ�̗`�x�xa�t�w��»1���o7o5��>�m뭛C���Uƃߜ}�C���y1Xνm�F8�jI���]����H���ۺиE@I�i;r�8ӭ�����V�F�Շ| ��&?�3|x�B�MuS�Ge�=Ӕ�#BE5G������Y!z��_e��q�р/W>|-�Ci߇�t�1ޯќd�R3�u��g�=0 5��[?�#͏��q�cf���H��{ ?u�=?�?ǯ���}Z��z���hmΔ�BFTW�����<�q��(v� ��!��z���iW]*�J�V�z��gX֧A�q�&��/w���u�gYӘa���; �i=����g:��?2�dž6�ى�k�4�>�Pxs����}������G�9���3 ���)gG�R<>r h�$��'nc�h�P��Bj��J�ҧH� -��N1���N��?��~��}-q!=��_2hc�M��l�vY%UE�@|�v����M2�.Y[|y�"Eï��K�ZF,�ɯ?,q�?v�M 80jx�"�;�9vk�����+ ֧�� �ȺU��?�%�vcV��mA�6��Qg^M�����A}�3�nl� QRN�l8�kkn�'�����(��M�7m9و�q���%ޟ���*h$Zk"��$�9��: �?U8�Sl��,,|ɒ��xH(ѷ����Gn�/Q�4�P��G�%��Ա8�N��!� �&�7�;���eKM7�4��9R/%����l�c>�x;������>��C�:�����t��h?aKX�bhe�ᜋ^�$�Iհ �hr7%F$�E��Fd���t��5���+�(M6�t����Ü�UU|zW�=a�Ts�Tg������dqP�Q����b'�m���1{|Y����X�N��b �P~��F^F:����k6�"�j!�� �I�r�`��1&�-$�Bevk:y���#y�w��I0��x��=D�4��tU���P�ZH��ڠ底taP��6����b>�xa�����Q�#� WeF��ŮNj�p�J* mQ�N�����*I�-*�ȩ�F�g�3 �5��V�ʊ�ɮ�a��5F���O@{���NX��?����H�]3��1�Ri_u��������ѕ�� ����0��� F��~��:60�p�͈�S��qX#a�5>���`�o&+�<2�D����: �������ڝ�$�nP���*)�N�|y�Ej�F�5ټ�e���ihy�Z �>���k�bH�a�v��h�-#���!�Po=@k̆IEN��@��}Ll?j�O������߭�ʞ���Q|A07x���wt!xf���I2?Z��<ץ�T���cU�j��]���陎Ltl �}5�ϓ��$�,��O�mˊ�;�@O��jE��j(�ا,��LX���LO���Ц�90�O �.����a��nA���7������j4 ��W��_ٓ���zW�jcB������y՗+EM�)d���N�g6�y1_x��p�$Lv�:��9�"z��p���ʙ$��^��JԼ*�ϭ����o���=x�Lj�6�J��u82�A�H�3$�ٕ@�=Vv�]�'�qEz�;I˼��)��=��ɯ���x �/�W(V���p�����$ �m�������u�����񶤑Oqˎ�T����r��㠚x�sr�GC��byp�G��1ߠ�w e�8�$⿄����/�M{*}��W�]˷.�CK\�ުx���/$�WP�w���r� |i���&�}�{�X� �>��$-��l���?-z���g����lΆ���(F���h�vS*���b���߲ڡn,|)mrH[���a�3�ר�[1��3o_�U�3�TC�$��(�=�)0�kgP���� ��u�^=��4 �WYCҸ:��vQ�ר�X�à��tk�m,�t*��^�,�}D*�� �"(�I��9R����>`�`��[~Q]�#af��i6l��8���6�:,s�s�N6�j"�A4���IuQ��6E,�GnH��zS�HO�uk�5$�I�4��ؤ�Q9�@��C����wp��BGv[]�u�Ov����0I4���\��y�����Q�Ѹ��~>Z��8�T��a��q�ޣ;z��a���/��S��I:�ܫ_�|������>=Z����8:�S��U�I�J��"IY���8%b8���H��:�QO�6�;7�I�S��J��ҌAά3��>c���E+&jf$eC+�z�;��V����� �r���ʺ������my�e���aQ�f&��6�ND���.:��NT�vm�<- u���ǝ\MvZY�N�NT��-A�>jr!S��n�O 1�3�Ns�%�3D@���`������ܟ 1�^c<���� �a�ɽ�̲�Xë#�w�|y�cW�=�9I*H8�p�^(4���՗�k��arOcW�tO�\�ƍR��8����'�K���I�Q�����?5�>[�}��yU�ײ -h��=��% q�ThG�2�)���"ו3]�!kB��*p�FDl�A���,�eEi�H�f�Ps�����5�H:�Փ~�H�0Dت�D�I����h�F3�������c��2���E��9�H��5�zԑ�ʚ�i�X�=:m�xg�hd(�v����׊�9iS��O��d@0ڽ���:�p�5�h-��t�&���X�q�ӕ,��ie�|���7A�2���O%P��E��htj��Y1��w�Ѓ!����  ���� ࢽ��My�7�\�a�@�ţ�J ��4�Ȼ�F�@o�̒?4�wx��)��]�P��~�����u�����5�����7X ��9��^ܩ�U;Iꭆ 5 �������eK2�7(�{|��Y׎ �V��\"���Z�1� Z�����}��(�Ǝ"�1S���_�vE30>���p;� ΝD��%x�W�?W?v����o�^V�i�d��r[��/&>�~`�9Wh��y�;���R���� ;;ɮT��?����r$�g1�K����A��C��c��K��l:�'��3 c�ﳯ*"t8�~l��)���m��+U,z��`(��>yJ�?����h>��]��v��ЍG*�{`��;y]��I�T� ;c��NU�fo¾h���/$���|NS���1�S�"�H��V���T���4��uhǜ�]�v;���5�͠x��'C\�SBpl���h}�N����� A�Bx���%��ޭ�l��/����T��w�ʽ]D�=����K���ž�r㻠l4�S�O?=�k �M:� ��c�C�a�#ha���)�ѐxc�s���gP�iG���{+���x���Q���I= �� z��ԫ+ �8"�k�ñ�j=|����c ��y��CF��/���*9ж�h{ �?4�o� ��k�m�Q�N�x��;�Y��4膚�a�w?�6�>�e]�����Q�r�:����g�,i"�����ԩA��*M�<�G��b�if��l^M��5�� �Ҩ�{����6J��ZJ�����P�*�����Y���ݛu�_4�9�I8�7���������,^ToR���m4�H��?�N�S�ѕw��/S��甍�@�9H�S�T��t�ƻ���ʒU��*{Xs�@����f������֒Li�K{H�w^���������Ϥm�tq���s� ���ք��f:��o~s��g�r��ט� �S�ѱC�e]�x���a��) ���(b-$(�j>�7q�B?ӕ�F��hV25r[7 Y� }L�R��}����*sg+��x�r�2�U=�*'WS��ZDW]�WǞ�<��叓���{�$�9Ou4��y�90-�1�'*D`�c�^o?(�9��u���ݐ��'PI&� f�Jݮ�������:wS����jfP1F:X �H�9dԯ����˝[�_54 �}*;@�ܨ�� ð�yn�T���?�ןd�#���4rG�ͨ��H�1�|-#���Mr�S3��G�3�����)�.᧏3v�z֑��r����$G"�`j �1t��x0<Ɔ�Wh6�y�6��,œ�Ga��gA����y��b��)���h�D��ß�_�m��ü �gG;��e�v��ݝ�nQ� ��C����-�*��o���y�a��M��I�>�<���]obD��"�:���G�A��-\%LT�8���c�)��+y76���o�Q�#*{�(F�⽕�y����=���rW�\p���۩�c���A���^e6��K������ʐ�cVf5$�'->���ՉN"���F�"�UQ@�f��Gb~��#�&�M=��8�ט�JNu9��D��[̤�s�o�~������� G��9T�tW^g5y$b��Y'��س�Ǵ�=��U-2 #�MC�t(�i� �lj�@Q 5�̣i�*�O����s�x�K�f��}\��M{E�V�{�υ��Ƈ�����);�H����I��fe�Lȣr�2��>��W��I�Ȃ6������i��k�� �5�YOxȺ����>��Y�f5'��|��H+��98pj�n�.O�y�������jY��~��i�w'������l�;�s�2��Y��:'lg�ꥴ)o#'Sa�a�K��Z� �m��}�`169�n���"���x��I ��*+� }F<��cГ���F�P�������ֹ*�PqX�x۩��,� ��N�� �4<-����%����:��7����W���u�`����� $�?�I��&����o��o��`v�>��P��"��l���4��5'�Z�gE���8���?��[�X�7(��.Q�-��*���ތL@̲����v��.5���[��=�t\+�CNܛ��,g�SQnH����}*F�G16���&:�t��4ُ"A��̣��$�b �|����#rs��a�����T�� ]�<�j��B�S�('$�ɻ� �wP;�/�n��?�ݜ��x�F��yUn�~mL*-�������Xf�wd^�a�}��f�,=t�׵i�.2/wpN�Ep8�OР���•��R�FJ� 55TZ��T �ɭ�<��]��/�0�r�@�f��V��V����Nz�G��^���7hZi����k��3�,kN�e|�vg�1{9]_i��X5y7� 8e]�U����'�-2,���e"����]ot�I��Y_��n�(JҼ��1�O ]bXc���Nu�No��pS���Q_���_�?i�~�x h5d'�(qw52] ��'ޤ�q��o1�R!���`ywy�A4u���h<קy���\[~�4�\ X�Wt/� 6�����n�F�a8��f���z �3$�t(���q��q�x��^�XWeN'p<-v�!�{�(>ӽDP7��ո0�y)�e$ٕv�Ih'Q�EA�m*�H��RI��=:��� ���4牢) �%_iN�ݧ�l]� �Nt���G��H�L��� ɱ�g<���1V�,�J~�ٹ�"K��Q�� 9�HS�9�?@��k����r�;we݁�]I�!{ �@�G�[�"��`���J:�n]�{�cA�E����V��ʆ���#��U9�6����j�#Y�m\��q�e4h�B�7��C�������d<�?J����1g:ٳ���=Y���D�p�ц� ׈ǔ��1�]26؜oS�'��9�V�FVu�P�h�9�xc�oq�X��p�o�5��Ա5$�9W�V(�[Ak�aY錎qf;�'�[�|���b�6�Ck��)��#a#a˙��8���=äh�4��2��C��4tm^ �n'c����]GQ$[Wҿ��i���vN�{Fu ��1�gx��1┷���N�m��{j-,��x�� Ūm�ЧS�[�s���Gna���䑴�� x�p 8<������97�Q���ϴ�v�aϚG��Rt�Һ׈�f^\r��WH�JU�7Z���y)�vg=����n��4�_)y��D'y�6�]�c�5̪��\� �PF�k����&�c;��cq�$~T�7j ���nç]�<�g ":�to�t}�159�<�/�8������m�b�K#g'I'.W������6��I/��>v��\�MN��g���m�A�yQL�4u�Lj�j9��#44�t��l^�}L����n��R��!��t��±]��r��h6ٍ>�yҏ�N��fU�� ���� Fm@�8}�/u��jb9������he:A�y�ծw��GpΧh�5����l}�3p468��)U��d��c����;Us/�֔�YX�1�O2��uq�s��`hwg�r~�{ R��mhN��؎*q 42�*th��>�#���E����#��Hv�O����q�}������6�e��\�,Wk�#���X��b>��p}�դ��3���T5��†��6��[��@��P�y*n��|'f�֧>�lư΂�̺����SU�'*�q�p�_S�����M�� '��c�6������m�� ySʨ;M��r���Ƌ�m�Kxo,���Gm�P��A�G�:��i��w�9�}M(�^�V��$ǒ�ѽ�9���|���� �a����J�SQ�a���r�B;����}���ٻ֢�2�%U���c�#�g���N�a�ݕ�'�v�[�OY'��3L�3�;,p�]@�S��{ls��X�'���c�jw��k'a�.��}�}&�� �dP�*�bK=ɍ!����;3n�gΊU�ߴmt�'*{,=SzfD� A��ko~�G�aoq�_mi}#�m�������P�Xhύ�����mxǍ�΂���巿zf��Q���c���|kc�����?���W��Y�$���_Lv����l߶��c���`?����l�j�ݲˏ!V��6����U�Ђ(A���4y)H���p�Z_�x��>���e���R��$�/�`^'3qˏ�-&Q�=?��CFVR �D�fV�9��{�8g�������n�h�(P"��6�[�D���< E�����~0<@�`�G�6����Hг�cc�� �c�K.5��D��d�B���`?�XQ��2��ٿyqo&+�1^� DW�0�ꊩ���G�#��Q�nL3��c���������/��x ��1�1�[y�x�პCW��C�c�UĨ80�m�e�4.{�m��u���I=��f�����0QRls9���f���������9���~f�����Ǩ��a�"@�8���ȁ�Q����#c�ic������G��$���G���r/$W�(��W���V�"��m�7�[m�A�m����bo��D� j����۳� l���^�k�h׽����� ��#� iXn�v��eT�k�a�^Y�4�BN���ĕ���0������� !01@Q"2AaPq3BR�������?�����@4�Q�����T3,���㺠�W�[=JK�Ϟ���2�r^7��vc�:�9 �E�ߴ�w�S#d���Ix��u��:��Hp��9E!�� V 2;73|F��9Y���*ʬ�F��D����u&���y؟��^EA��A��(ɩ���^��GV:ݜDy�`��Jr29ܾ�㝉��[���E;Fzx��YG��U�e�Y�C���� ����v-tx����I�sם�Ę�q��Eb�+P\ :>�i�C'�;�����k|z�رn�y]�#ǿb��Q��������w�����(�r|ӹs��[�D��2v-%��@;�8<a���[\o[ϧw��I!��*0�krs)�[�J9^��ʜ��p1)� "��/_>��o��<1����A�E�y^�C��`�x1'ܣn�p��s`l���fQ��):�l����b>�Me�jH^?�kl3(�z:���1ŠK&?Q�~�{�ٺ�h�y���/�[��V�|6��}�KbX����mn[-��7�5q�94�������dm���c^���h� X��5��<�eޘ>G���-�}�دB�ޟ� ��|�rt�M��V+�]�c?�-#ڛ��^ǂ}���Lkr���O��u�>�-D�ry� D?:ޞ�U��ǜ�7�V��?瓮�"�#���r��չģVR;�n���/_� ؉v�ݶe5d�b9��/O��009�G���5n�W����JpA�*�r9�>�1��.[t���s�F���nQ� V 77R�]�ɫ8����_0<՜�IF�u(v��4��F�k�3��E)��N:��yڮe��P�`�1}�$WS��J�SQ�N�j��ٺ��޵�#l���ј(�5=��5�lǏmoW�v-�1����v,W�mn��߀$x�<����v�j(����c]��@#��1������Ǔ���o'��u+����;G�#�޸��v-lη��/(`i⣍Pm^����ԯ̾9Z��F��������n��1��� ��]�[��)�'�������:�֪�W��FC����� �B9،!?���]��V��A�Վ�M��b�w��G F>_DȬ0¤�#�QR�[V��kz���m�w�"��9ZG�7'[��=�Q����j8R?�zf�\a�=��O�U����*oB�A�|G���2�54 �p��.w7� �� ���&������ξxGHp� B%��$g�����t�Џ򤵍z���HN�u�Я�-�'4��0���;_���3������� !01"@AQa2Pq#3BR�������?����ʩca��en��^��8���<�u#��m*08r��y�N"�<�Ѳ0��@\�p��� �����Kv�D��J8�Fҽ� �f�Y��-m�ybX�NP����}�!*8t(�OqѢ��Q�wW�K��ZD��Δ^e��!� ��B�K��p~�����e*l}z#9ң�k���q#�Ft�o��S�R����-�w�!�S���Ӥß|M�l޶V��!eˈ�8Y���c�ЮM2��tk���� ������J�fS����Ö*i/2�����n]�k�\���|4yX�8��U�P.���Ы[���l��@"�t�<������5�lF���vU�����W��W��;�b�cД^6[#7@vU�xgZv��F�6��Q,K�v��� �+Ъ��n��Ǣ��Ft���8��0��c�@�!�Zq s�v�t�;#](B��-�nῃ~���3g������5�J�%���O������n�kB�ĺ�.r��+���#�N$?�q�/�s�6��p��a����a��J/��M�8��6�ܰ"�*������ɗud"\w���aT(����[��F��U՛����RT�b���n�*��6���O��SJ�.�ij<�v�MT��R\c��5l�sZB>F��<7�;EA��{��E���Ö��1U/�#��d1�a�n.1ě����0�ʾR�h��|�R��Ao�3�m3 ��%�� ���28Q�� ��y��φ���H�To�7�lW>����#i`�q���c����a��� �m,B�-j����݋�'mR1Ήt�>��V��p���s�0IbI�C.���1R�ea�����]H�6�����������4B>��o��](��$B���m�����a�!=���?�B� K�Ǿ+�Ծ"�n���K��*��+��[T#�{�E�J�S����Q�����s�5�:�U�\wĐ�f�3����܆&�)�����I���Ԇw��E T�lrTf6Q|R�h:��[K�� �z��c֧�G�C��%\��_�a��84��HcO�bi��ؖV��7H �)*ģK~Xhչ0��4?�0��� �E<���}3���#���u�?�� ��|g�S�6ꊤ�|�I#Hڛ� �ա��w�X��9��7���Ŀ%�SL��y6č��|�F�a 8���b���$�sק�h���b9RAu7�˨p�Č�_\*w��묦��F ����4D~�f����|(�"m���NK��i�S�>�$d7SlA��/�²����SL��|6N�}���S�˯���g��]6��; �#�.��<���q'Q�1|KQ$�����񛩶"�$r�b:���N8�w@��8$�� �AjfG|~�9F ���Y��ʺ��Bwؒ������M:I岎�G��`s�YV5����6��A �b:�W���G�q%l�����F��H���7�������Fsv7���k�� 403WebShell
403Webshell
Server IP : 84.32.84.14  /  Your IP : 216.73.216.150
Web Server : LiteSpeed
System : Linux in-mum-web1874.main-hosting.eu 5.14.0-570.21.1.el9_6.x86_64 #1 SMP PREEMPT_DYNAMIC Wed Jun 11 07:22:35 EDT 2025 x86_64
User : u862839997 ( 862839997)
PHP Version : 8.2.30
Disable Function : system, exec, shell_exec, passthru, mysql_list_dbs, ini_alter, dl, symlink, link, chgrp, leak, popen, apache_child_terminate, virtual, mb_send_mail
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : OFF  |  Python : OFF  |  Sudo : OFF  |  Pkexec : OFF
Directory :  /opt/golang/1.22.0/src/cmd/compile/internal/ssa/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :


[ Back ]     

Current File : /opt/golang/1.22.0/src/cmd/compile/internal/ssa/expand_calls.go
// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package ssa

import (
	"cmd/compile/internal/abi"
	"cmd/compile/internal/base"
	"cmd/compile/internal/ir"
	"cmd/compile/internal/types"
	"cmd/internal/src"
	"fmt"
)

func postExpandCallsDecompose(f *Func) {
	decomposeUser(f)    // redo user decompose to cleanup after expand calls
	decomposeBuiltIn(f) // handles both regular decomposition and cleanup.
}

func expandCalls(f *Func) {
	// Convert each aggregate arg to a call into "dismantle aggregate, store/pass parts"
	// Convert each aggregate result from a call into "assemble aggregate from parts"
	// Convert each multivalue exit into "dismantle aggregate, store/return parts"
	// Convert incoming aggregate arg into assembly of parts.
	// Feed modified AST to decompose.

	sp, _ := f.spSb()

	x := &expandState{
		f:               f,
		debug:           f.pass.debug,
		regSize:         f.Config.RegSize,
		sp:              sp,
		typs:            &f.Config.Types,
		wideSelects:     make(map[*Value]*Value),
		commonArgs:      make(map[selKey]*Value),
		commonSelectors: make(map[selKey]*Value),
		memForCall:      make(map[ID]*Value),
	}

	// For 32-bit, need to deal with decomposition of 64-bit integers, which depends on endianness.
	if f.Config.BigEndian {
		x.firstOp = OpInt64Hi
		x.secondOp = OpInt64Lo
		x.firstType = x.typs.Int32
		x.secondType = x.typs.UInt32
	} else {
		x.firstOp = OpInt64Lo
		x.secondOp = OpInt64Hi
		x.firstType = x.typs.UInt32
		x.secondType = x.typs.Int32
	}

	// Defer select processing until after all calls and selects are seen.
	var selects []*Value
	var calls []*Value
	var args []*Value
	var exitBlocks []*Block

	var m0 *Value

	// Accumulate lists of calls, args, selects, and exit blocks to process,
	// note "wide" selects consumed by stores,
	// rewrite mem for each call,
	// rewrite each OpSelectNAddr.
	for _, b := range f.Blocks {
		for _, v := range b.Values {
			switch v.Op {
			case OpInitMem:
				m0 = v

			case OpClosureLECall, OpInterLECall, OpStaticLECall, OpTailLECall:
				calls = append(calls, v)

			case OpArg:
				args = append(args, v)

			case OpStore:
				if a := v.Args[1]; a.Op == OpSelectN && !CanSSA(a.Type) {
					if a.Uses > 1 {
						panic(fmt.Errorf("Saw double use of wide SelectN %s operand of Store %s",
							a.LongString(), v.LongString()))
					}
					x.wideSelects[a] = v
				}

			case OpSelectN:
				if v.Type == types.TypeMem {
					// rewrite the mem selector in place
					call := v.Args[0]
					aux := call.Aux.(*AuxCall)
					mem := x.memForCall[call.ID]
					if mem == nil {
						v.AuxInt = int64(aux.abiInfo.OutRegistersUsed())
						x.memForCall[call.ID] = v
					} else {
						panic(fmt.Errorf("Saw two memories for call %v, %v and %v", call, mem, v))
					}
				} else {
					selects = append(selects, v)
				}

			case OpSelectNAddr:
				call := v.Args[0]
				which := v.AuxInt
				aux := call.Aux.(*AuxCall)
				pt := v.Type
				off := x.offsetFrom(x.f.Entry, x.sp, aux.OffsetOfResult(which), pt)
				v.copyOf(off)
			}
		}

		// rewrite function results from an exit block
		// values returned by function need to be split out into registers.
		if isBlockMultiValueExit(b) {
			exitBlocks = append(exitBlocks, b)
		}
	}

	// Convert each aggregate arg into Make of its parts (and so on, to primitive types)
	for _, v := range args {
		var rc registerCursor
		a := x.prAssignForArg(v)
		aux := x.f.OwnAux
		regs := a.Registers
		var offset int64
		if len(regs) == 0 {
			offset = a.FrameOffset(aux.abiInfo)
		}
		auxBase := x.offsetFrom(x.f.Entry, x.sp, offset, types.NewPtr(v.Type))
		rc.init(regs, aux.abiInfo, nil, auxBase, 0)
		x.rewriteSelectOrArg(f.Entry.Pos, f.Entry, v, v, m0, v.Type, rc)
	}

	// Rewrite selects of results (which may be aggregates) into make-aggregates of register/memory-targeted selects
	for _, v := range selects {
		if v.Op == OpInvalid {
			continue
		}

		call := v.Args[0]
		aux := call.Aux.(*AuxCall)
		mem := x.memForCall[call.ID]
		if mem == nil {
			mem = call.Block.NewValue1I(call.Pos, OpSelectN, types.TypeMem, int64(aux.abiInfo.OutRegistersUsed()), call)
			x.memForCall[call.ID] = mem
		}

		i := v.AuxInt
		regs := aux.RegsOfResult(i)

		// If this select cannot fit into SSA and is stored, either disaggregate to register stores, or mem-mem move.
		if store := x.wideSelects[v]; store != nil {
			// Use the mem that comes from the store operation.
			storeAddr := store.Args[0]
			mem := store.Args[2]
			if len(regs) > 0 {
				// Cannot do a rewrite that builds up a result from pieces; instead, copy pieces to the store operation.
				var rc registerCursor
				rc.init(regs, aux.abiInfo, nil, storeAddr, 0)
				mem = x.rewriteWideSelectToStores(call.Pos, call.Block, v, mem, v.Type, rc)
				store.copyOf(mem)
			} else {
				// Move directly from AuxBase to store target; rewrite the store instruction.
				offset := aux.OffsetOfResult(i)
				auxBase := x.offsetFrom(x.f.Entry, x.sp, offset, types.NewPtr(v.Type))
				// was Store dst, v, mem
				// now Move dst, auxBase, mem
				move := store.Block.NewValue3A(store.Pos, OpMove, types.TypeMem, v.Type, storeAddr, auxBase, mem)
				move.AuxInt = v.Type.Size()
				store.copyOf(move)
			}
			continue
		}

		var auxBase *Value
		if len(regs) == 0 {
			offset := aux.OffsetOfResult(i)
			auxBase = x.offsetFrom(x.f.Entry, x.sp, offset, types.NewPtr(v.Type))
		}
		var rc registerCursor
		rc.init(regs, aux.abiInfo, nil, auxBase, 0)
		x.rewriteSelectOrArg(call.Pos, call.Block, v, v, mem, v.Type, rc)
	}

	rewriteCall := func(v *Value, newOp Op, argStart int) {
		// Break aggregate args passed to call into smaller pieces.
		x.rewriteCallArgs(v, argStart)
		v.Op = newOp
		rts := abi.RegisterTypes(v.Aux.(*AuxCall).abiInfo.OutParams())
		v.Type = types.NewResults(append(rts, types.TypeMem))
	}

	// Rewrite calls
	for _, v := range calls {
		switch v.Op {
		case OpStaticLECall:
			rewriteCall(v, OpStaticCall, 0)
		case OpTailLECall:
			rewriteCall(v, OpTailCall, 0)
		case OpClosureLECall:
			rewriteCall(v, OpClosureCall, 2)
		case OpInterLECall:
			rewriteCall(v, OpInterCall, 1)
		}
	}

	// Rewrite results from exit blocks
	for _, b := range exitBlocks {
		v := b.Controls[0]
		x.rewriteFuncResults(v, b, f.OwnAux)
		b.SetControl(v)
	}

}

func (x *expandState) rewriteFuncResults(v *Value, b *Block, aux *AuxCall) {
	// This is very similar to rewriteCallArgs
	// differences:
	// firstArg + preArgs
	// sp vs auxBase

	m0 := v.MemoryArg()
	mem := m0

	allResults := []*Value{}
	var oldArgs []*Value
	argsWithoutMem := v.Args[:len(v.Args)-1]

	for j, a := range argsWithoutMem {
		oldArgs = append(oldArgs, a)
		i := int64(j)
		auxType := aux.TypeOfResult(i)
		auxBase := b.NewValue2A(v.Pos, OpLocalAddr, types.NewPtr(auxType), aux.NameOfResult(i), x.sp, mem)
		auxOffset := int64(0)
		aRegs := aux.RegsOfResult(int64(j))
		if a.Op == OpDereference {
			a.Op = OpLoad
		}
		var rc registerCursor
		var result *[]*Value
		if len(aRegs) > 0 {
			result = &allResults
		} else {
			if a.Op == OpLoad && a.Args[0].Op == OpLocalAddr {
				addr := a.Args[0]
				if addr.MemoryArg() == a.MemoryArg() && addr.Aux == aux.NameOfResult(i) {
					continue // Self move to output parameter
				}
			}
		}
		rc.init(aRegs, aux.abiInfo, result, auxBase, auxOffset)
		mem = x.decomposeAsNecessary(v.Pos, b, a, mem, rc)
	}
	v.resetArgs()
	v.AddArgs(allResults...)
	v.AddArg(mem)
	for _, a := range oldArgs {
		if a.Uses == 0 {
			if x.debug > 1 {
				x.Printf("...marking %v unused\n", a.LongString())
			}
			x.invalidateRecursively(a)
		}
	}
	v.Type = types.NewResults(append(abi.RegisterTypes(aux.abiInfo.OutParams()), types.TypeMem))
	return
}

func (x *expandState) rewriteCallArgs(v *Value, firstArg int) {
	if x.debug > 1 {
		x.indent(3)
		defer x.indent(-3)
		x.Printf("rewriteCallArgs(%s; %d)\n", v.LongString(), firstArg)
	}
	// Thread the stores on the memory arg
	aux := v.Aux.(*AuxCall)
	m0 := v.MemoryArg()
	mem := m0
	allResults := []*Value{}
	oldArgs := []*Value{}
	argsWithoutMem := v.Args[firstArg : len(v.Args)-1] // Also strip closure/interface Op-specific args

	sp := x.sp
	if v.Op == OpTailLECall {
		// For tail call, we unwind the frame before the call so we'll use the caller's
		// SP.
		sp = x.f.Entry.NewValue1(src.NoXPos, OpGetCallerSP, x.typs.Uintptr, mem)
	}

	for i, a := range argsWithoutMem { // skip leading non-parameter SSA Args and trailing mem SSA Arg.
		oldArgs = append(oldArgs, a)
		auxI := int64(i)
		aRegs := aux.RegsOfArg(auxI)
		aType := aux.TypeOfArg(auxI)

		if a.Op == OpDereference {
			a.Op = OpLoad
		}
		var rc registerCursor
		var result *[]*Value
		var aOffset int64
		if len(aRegs) > 0 {
			result = &allResults
		} else {
			aOffset = aux.OffsetOfArg(auxI)
		}
		if v.Op == OpTailLECall && a.Op == OpArg && a.AuxInt == 0 {
			// It's common for a tail call passing the same arguments (e.g. method wrapper),
			// so this would be a self copy. Detect this and optimize it out.
			n := a.Aux.(*ir.Name)
			if n.Class == ir.PPARAM && n.FrameOffset()+x.f.Config.ctxt.Arch.FixedFrameSize == aOffset {
				continue
			}
		}
		if x.debug > 1 {
			x.Printf("...storeArg %s, %v, %d\n", a.LongString(), aType, aOffset)
		}

		rc.init(aRegs, aux.abiInfo, result, sp, aOffset)
		mem = x.decomposeAsNecessary(v.Pos, v.Block, a, mem, rc)
	}
	var preArgStore [2]*Value
	preArgs := append(preArgStore[:0], v.Args[0:firstArg]...)
	v.resetArgs()
	v.AddArgs(preArgs...)
	v.AddArgs(allResults...)
	v.AddArg(mem)
	for _, a := range oldArgs {
		if a.Uses == 0 {
			x.invalidateRecursively(a)
		}
	}

	return
}

func (x *expandState) decomposePair(pos src.XPos, b *Block, a, mem *Value, t0, t1 *types.Type, o0, o1 Op, rc *registerCursor) *Value {
	e := b.NewValue1(pos, o0, t0, a)
	pos = pos.WithNotStmt()
	mem = x.decomposeAsNecessary(pos, b, e, mem, rc.next(t0))
	e = b.NewValue1(pos, o1, t1, a)
	mem = x.decomposeAsNecessary(pos, b, e, mem, rc.next(t1))
	return mem
}

func (x *expandState) decomposeOne(pos src.XPos, b *Block, a, mem *Value, t0 *types.Type, o0 Op, rc *registerCursor) *Value {
	e := b.NewValue1(pos, o0, t0, a)
	pos = pos.WithNotStmt()
	mem = x.decomposeAsNecessary(pos, b, e, mem, rc.next(t0))
	return mem
}

// decomposeAsNecessary converts a value (perhaps an aggregate) passed to a call or returned by a function,
// into the appropriate sequence of stores and register assignments to transmit that value in a given ABI, and
// returns the current memory after this convert/rewrite (it may be the input memory, perhaps stores were needed.)
// 'pos' is the source position all this is tied to
// 'b' is the enclosing block
// 'a' is the value to decompose
// 'm0' is the input memory arg used for the first store (or returned if there are no stores)
// 'rc' is a registerCursor which identifies the register/memory destination for the value
func (x *expandState) decomposeAsNecessary(pos src.XPos, b *Block, a, m0 *Value, rc registerCursor) *Value {
	if x.debug > 1 {
		x.indent(3)
		defer x.indent(-3)
	}
	at := a.Type
	if at.Size() == 0 {
		return m0
	}
	if a.Op == OpDereference {
		a.Op = OpLoad // For purposes of parameter passing expansion, a Dereference is a Load.
	}

	if !rc.hasRegs() && !CanSSA(at) {
		dst := x.offsetFrom(b, rc.storeDest, rc.storeOffset, types.NewPtr(at))
		if x.debug > 1 {
			x.Printf("...recur store %s at %s\n", a.LongString(), dst.LongString())
		}
		if a.Op == OpLoad {
			m0 = b.NewValue3A(pos, OpMove, types.TypeMem, at, dst, a.Args[0], m0)
			m0.AuxInt = at.Size()
			return m0
		} else {
			panic(fmt.Errorf("Store of not a load"))
		}
	}

	mem := m0
	switch at.Kind() {
	case types.TARRAY:
		et := at.Elem()
		for i := int64(0); i < at.NumElem(); i++ {
			e := b.NewValue1I(pos, OpArraySelect, et, i, a)
			pos = pos.WithNotStmt()
			mem = x.decomposeAsNecessary(pos, b, e, mem, rc.next(et))
		}
		return mem

	case types.TSTRUCT:
		for i := 0; i < at.NumFields(); i++ {
			et := at.Field(i).Type // might need to read offsets from the fields
			e := b.NewValue1I(pos, OpStructSelect, et, int64(i), a)
			pos = pos.WithNotStmt()
			if x.debug > 1 {
				x.Printf("...recur decompose %s, %v\n", e.LongString(), et)
			}
			mem = x.decomposeAsNecessary(pos, b, e, mem, rc.next(et))
		}
		return mem

	case types.TSLICE:
		mem = x.decomposeOne(pos, b, a, mem, at.Elem().PtrTo(), OpSlicePtr, &rc)
		pos = pos.WithNotStmt()
		mem = x.decomposeOne(pos, b, a, mem, x.typs.Int, OpSliceLen, &rc)
		return x.decomposeOne(pos, b, a, mem, x.typs.Int, OpSliceCap, &rc)

	case types.TSTRING:
		return x.decomposePair(pos, b, a, mem, x.typs.BytePtr, x.typs.Int, OpStringPtr, OpStringLen, &rc)

	case types.TINTER:
		mem = x.decomposeOne(pos, b, a, mem, x.typs.Uintptr, OpITab, &rc)
		pos = pos.WithNotStmt()
		// Immediate interfaces cause so many headaches.
		if a.Op == OpIMake {
			data := a.Args[1]
			for data.Op == OpStructMake1 || data.Op == OpArrayMake1 {
				data = data.Args[0]
			}
			return x.decomposeAsNecessary(pos, b, data, mem, rc.next(data.Type))
		}
		return x.decomposeOne(pos, b, a, mem, x.typs.BytePtr, OpIData, &rc)

	case types.TCOMPLEX64:
		return x.decomposePair(pos, b, a, mem, x.typs.Float32, x.typs.Float32, OpComplexReal, OpComplexImag, &rc)

	case types.TCOMPLEX128:
		return x.decomposePair(pos, b, a, mem, x.typs.Float64, x.typs.Float64, OpComplexReal, OpComplexImag, &rc)

	case types.TINT64:
		if at.Size() > x.regSize {
			return x.decomposePair(pos, b, a, mem, x.firstType, x.secondType, x.firstOp, x.secondOp, &rc)
		}
	case types.TUINT64:
		if at.Size() > x.regSize {
			return x.decomposePair(pos, b, a, mem, x.typs.UInt32, x.typs.UInt32, x.firstOp, x.secondOp, &rc)
		}
	}

	// An atomic type, either record the register or store it and update the memory.

	if rc.hasRegs() {
		if x.debug > 1 {
			x.Printf("...recur addArg %s\n", a.LongString())
		}
		rc.addArg(a)
	} else {
		dst := x.offsetFrom(b, rc.storeDest, rc.storeOffset, types.NewPtr(at))
		if x.debug > 1 {
			x.Printf("...recur store %s at %s\n", a.LongString(), dst.LongString())
		}
		mem = b.NewValue3A(pos, OpStore, types.TypeMem, at, dst, a, mem)
	}

	return mem
}

// Convert scalar OpArg into the proper OpWhateverArg instruction
// Convert scalar OpSelectN into perhaps-differently-indexed OpSelectN
// Convert aggregate OpArg into Make of its parts (which are eventually scalars)
// Convert aggregate OpSelectN into Make of its parts (which are eventually scalars)
// Returns the converted value.
//
//   - "pos" the position for any generated instructions
//   - "b" the block for any generated instructions
//   - "container" the outermost OpArg/OpSelectN
//   - "a" the instruction to overwrite, if any (only the outermost caller)
//   - "m0" the memory arg for any loads that are necessary
//   - "at" the type of the Arg/part
//   - "rc" the register/memory cursor locating the various parts of the Arg.
func (x *expandState) rewriteSelectOrArg(pos src.XPos, b *Block, container, a, m0 *Value, at *types.Type, rc registerCursor) *Value {

	if at == types.TypeMem {
		a.copyOf(m0)
		return a
	}

	makeOf := func(a *Value, op Op, args []*Value) *Value {
		if a == nil {
			a = b.NewValue0(pos, op, at)
			a.AddArgs(args...)
		} else {
			a.resetArgs()
			a.Aux, a.AuxInt = nil, 0
			a.Pos, a.Op, a.Type = pos, op, at
			a.AddArgs(args...)
		}
		return a
	}

	if at.Size() == 0 {
		// For consistency, create these values even though they'll ultimately be unused
		if at.IsArray() {
			return makeOf(a, OpArrayMake0, nil)
		}
		if at.IsStruct() {
			return makeOf(a, OpStructMake0, nil)
		}
		return a
	}

	sk := selKey{from: container, size: 0, offsetOrIndex: rc.storeOffset, typ: at}
	dupe := x.commonSelectors[sk]
	if dupe != nil {
		if a == nil {
			return dupe
		}
		a.copyOf(dupe)
		return a
	}

	var argStore [10]*Value
	args := argStore[:0]

	addArg := func(a0 *Value) {
		if a0 == nil {
			as := "<nil>"
			if a != nil {
				as = a.LongString()
			}
			panic(fmt.Errorf("a0 should not be nil, a=%v, container=%v, at=%v", as, container.LongString(), at))
		}
		args = append(args, a0)
	}

	switch at.Kind() {
	case types.TARRAY:
		et := at.Elem()
		for i := int64(0); i < at.NumElem(); i++ {
			e := x.rewriteSelectOrArg(pos, b, container, nil, m0, et, rc.next(et))
			addArg(e)
		}
		a = makeOf(a, OpArrayMake1, args)
		x.commonSelectors[sk] = a
		return a

	case types.TSTRUCT:
		// Assume ssagen/ssa.go (in buildssa) spills large aggregates so they won't appear here.
		for i := 0; i < at.NumFields(); i++ {
			et := at.Field(i).Type
			e := x.rewriteSelectOrArg(pos, b, container, nil, m0, et, rc.next(et))
			if e == nil {
				panic(fmt.Errorf("nil e, et=%v, et.Size()=%d, i=%d", et, et.Size(), i))
			}
			addArg(e)
			pos = pos.WithNotStmt()
		}
		if at.NumFields() > 4 {
			panic(fmt.Errorf("Too many fields (%d, %d bytes), container=%s", at.NumFields(), at.Size(), container.LongString()))
		}
		a = makeOf(a, StructMakeOp(at.NumFields()), args)
		x.commonSelectors[sk] = a
		return a

	case types.TSLICE:
		addArg(x.rewriteSelectOrArg(pos, b, container, nil, m0, at.Elem().PtrTo(), rc.next(x.typs.BytePtr)))
		pos = pos.WithNotStmt()
		addArg(x.rewriteSelectOrArg(pos, b, container, nil, m0, x.typs.Int, rc.next(x.typs.Int)))
		addArg(x.rewriteSelectOrArg(pos, b, container, nil, m0, x.typs.Int, rc.next(x.typs.Int)))
		a = makeOf(a, OpSliceMake, args)
		x.commonSelectors[sk] = a
		return a

	case types.TSTRING:
		addArg(x.rewriteSelectOrArg(pos, b, container, nil, m0, x.typs.BytePtr, rc.next(x.typs.BytePtr)))
		pos = pos.WithNotStmt()
		addArg(x.rewriteSelectOrArg(pos, b, container, nil, m0, x.typs.Int, rc.next(x.typs.Int)))
		a = makeOf(a, OpStringMake, args)
		x.commonSelectors[sk] = a
		return a

	case types.TINTER:
		addArg(x.rewriteSelectOrArg(pos, b, container, nil, m0, x.typs.Uintptr, rc.next(x.typs.Uintptr)))
		pos = pos.WithNotStmt()
		addArg(x.rewriteSelectOrArg(pos, b, container, nil, m0, x.typs.BytePtr, rc.next(x.typs.BytePtr)))
		a = makeOf(a, OpIMake, args)
		x.commonSelectors[sk] = a
		return a

	case types.TCOMPLEX64:
		addArg(x.rewriteSelectOrArg(pos, b, container, nil, m0, x.typs.Float32, rc.next(x.typs.Float32)))
		pos = pos.WithNotStmt()
		addArg(x.rewriteSelectOrArg(pos, b, container, nil, m0, x.typs.Float32, rc.next(x.typs.Float32)))
		a = makeOf(a, OpComplexMake, args)
		x.commonSelectors[sk] = a
		return a

	case types.TCOMPLEX128:
		addArg(x.rewriteSelectOrArg(pos, b, container, nil, m0, x.typs.Float64, rc.next(x.typs.Float64)))
		pos = pos.WithNotStmt()
		addArg(x.rewriteSelectOrArg(pos, b, container, nil, m0, x.typs.Float64, rc.next(x.typs.Float64)))
		a = makeOf(a, OpComplexMake, args)
		x.commonSelectors[sk] = a
		return a

	case types.TINT64:
		if at.Size() > x.regSize {
			addArg(x.rewriteSelectOrArg(pos, b, container, nil, m0, x.firstType, rc.next(x.firstType)))
			pos = pos.WithNotStmt()
			addArg(x.rewriteSelectOrArg(pos, b, container, nil, m0, x.secondType, rc.next(x.secondType)))
			if !x.f.Config.BigEndian {
				// Int64Make args are big, little
				args[0], args[1] = args[1], args[0]
			}
			a = makeOf(a, OpInt64Make, args)
			x.commonSelectors[sk] = a
			return a
		}
	case types.TUINT64:
		if at.Size() > x.regSize {
			addArg(x.rewriteSelectOrArg(pos, b, container, nil, m0, x.typs.UInt32, rc.next(x.typs.UInt32)))
			pos = pos.WithNotStmt()
			addArg(x.rewriteSelectOrArg(pos, b, container, nil, m0, x.typs.UInt32, rc.next(x.typs.UInt32)))
			if !x.f.Config.BigEndian {
				// Int64Make args are big, little
				args[0], args[1] = args[1], args[0]
			}
			a = makeOf(a, OpInt64Make, args)
			x.commonSelectors[sk] = a
			return a
		}
	}

	// An atomic type, either record the register or store it and update the memory.

	// Depending on the container Op, the leaves are either OpSelectN or OpArg{Int,Float}Reg

	if container.Op == OpArg {
		if rc.hasRegs() {
			op, i := rc.ArgOpAndRegisterFor()
			name := container.Aux.(*ir.Name)
			a = makeOf(a, op, nil)
			a.AuxInt = i
			a.Aux = &AuxNameOffset{name, rc.storeOffset}
		} else {
			key := selKey{container, rc.storeOffset, at.Size(), at}
			w := x.commonArgs[key]
			if w != nil && w.Uses != 0 {
				if a == nil {
					a = w
				} else {
					a.copyOf(w)
				}
			} else {
				if a == nil {
					aux := container.Aux
					auxInt := container.AuxInt + rc.storeOffset
					a = container.Block.NewValue0IA(container.Pos, OpArg, at, auxInt, aux)
				} else {
					// do nothing, the original should be okay.
				}
				x.commonArgs[key] = a
			}
		}
	} else if container.Op == OpSelectN {
		call := container.Args[0]
		aux := call.Aux.(*AuxCall)
		which := container.AuxInt

		if at == types.TypeMem {
			if a != m0 || a != x.memForCall[call.ID] {
				panic(fmt.Errorf("Memories %s, %s, and %s should all be equal after %s", a.LongString(), m0.LongString(), x.memForCall[call.ID], call.LongString()))
			}
		} else if rc.hasRegs() {
			firstReg := uint32(0)
			for i := 0; i < int(which); i++ {
				firstReg += uint32(len(aux.abiInfo.OutParam(i).Registers))
			}
			reg := int64(rc.nextSlice + Abi1RO(firstReg))
			a = makeOf(a, OpSelectN, []*Value{call})
			a.AuxInt = reg
		} else {
			off := x.offsetFrom(x.f.Entry, x.sp, rc.storeOffset+aux.OffsetOfResult(which), types.NewPtr(at))
			a = makeOf(a, OpLoad, []*Value{off, m0})
		}

	} else {
		panic(fmt.Errorf("Expected container OpArg or OpSelectN, saw %v instead", container.LongString()))
	}

	x.commonSelectors[sk] = a
	return a
}

// rewriteWideSelectToStores handles the case of a SelectN'd result from a function call that is too large for SSA,
// but is transferred in registers.  In this case the register cursor tracks both operands; the register sources and
// the memory destinations.
// This returns the memory flowing out of the last store
func (x *expandState) rewriteWideSelectToStores(pos src.XPos, b *Block, container, m0 *Value, at *types.Type, rc registerCursor) *Value {

	if at.Size() == 0 {
		return m0
	}

	switch at.Kind() {
	case types.TARRAY:
		et := at.Elem()
		for i := int64(0); i < at.NumElem(); i++ {
			m0 = x.rewriteWideSelectToStores(pos, b, container, m0, et, rc.next(et))
		}
		return m0

	case types.TSTRUCT:
		// Assume ssagen/ssa.go (in buildssa) spills large aggregates so they won't appear here.
		for i := 0; i < at.NumFields(); i++ {
			et := at.Field(i).Type
			m0 = x.rewriteWideSelectToStores(pos, b, container, m0, et, rc.next(et))
			pos = pos.WithNotStmt()
		}
		return m0

	case types.TSLICE:
		m0 = x.rewriteWideSelectToStores(pos, b, container, m0, at.Elem().PtrTo(), rc.next(x.typs.BytePtr))
		pos = pos.WithNotStmt()
		m0 = x.rewriteWideSelectToStores(pos, b, container, m0, x.typs.Int, rc.next(x.typs.Int))
		m0 = x.rewriteWideSelectToStores(pos, b, container, m0, x.typs.Int, rc.next(x.typs.Int))
		return m0

	case types.TSTRING:
		m0 = x.rewriteWideSelectToStores(pos, b, container, m0, x.typs.BytePtr, rc.next(x.typs.BytePtr))
		pos = pos.WithNotStmt()
		m0 = x.rewriteWideSelectToStores(pos, b, container, m0, x.typs.Int, rc.next(x.typs.Int))
		return m0

	case types.TINTER:
		m0 = x.rewriteWideSelectToStores(pos, b, container, m0, x.typs.Uintptr, rc.next(x.typs.Uintptr))
		pos = pos.WithNotStmt()
		m0 = x.rewriteWideSelectToStores(pos, b, container, m0, x.typs.BytePtr, rc.next(x.typs.BytePtr))
		return m0

	case types.TCOMPLEX64:
		m0 = x.rewriteWideSelectToStores(pos, b, container, m0, x.typs.Float32, rc.next(x.typs.Float32))
		pos = pos.WithNotStmt()
		m0 = x.rewriteWideSelectToStores(pos, b, container, m0, x.typs.Float32, rc.next(x.typs.Float32))
		return m0

	case types.TCOMPLEX128:
		m0 = x.rewriteWideSelectToStores(pos, b, container, m0, x.typs.Float64, rc.next(x.typs.Float64))
		pos = pos.WithNotStmt()
		m0 = x.rewriteWideSelectToStores(pos, b, container, m0, x.typs.Float64, rc.next(x.typs.Float64))
		return m0

	case types.TINT64:
		if at.Size() > x.regSize {
			m0 = x.rewriteWideSelectToStores(pos, b, container, m0, x.firstType, rc.next(x.firstType))
			pos = pos.WithNotStmt()
			m0 = x.rewriteWideSelectToStores(pos, b, container, m0, x.secondType, rc.next(x.secondType))
			return m0
		}
	case types.TUINT64:
		if at.Size() > x.regSize {
			m0 = x.rewriteWideSelectToStores(pos, b, container, m0, x.typs.UInt32, rc.next(x.typs.UInt32))
			pos = pos.WithNotStmt()
			m0 = x.rewriteWideSelectToStores(pos, b, container, m0, x.typs.UInt32, rc.next(x.typs.UInt32))
			return m0
		}
	}

	// TODO could change treatment of too-large OpArg, would deal with it here.
	if container.Op == OpSelectN {
		call := container.Args[0]
		aux := call.Aux.(*AuxCall)
		which := container.AuxInt

		if rc.hasRegs() {
			firstReg := uint32(0)
			for i := 0; i < int(which); i++ {
				firstReg += uint32(len(aux.abiInfo.OutParam(i).Registers))
			}
			reg := int64(rc.nextSlice + Abi1RO(firstReg))
			a := b.NewValue1I(pos, OpSelectN, at, reg, call)
			dst := x.offsetFrom(b, rc.storeDest, rc.storeOffset, types.NewPtr(at))
			m0 = b.NewValue3A(pos, OpStore, types.TypeMem, at, dst, a, m0)
		} else {
			panic(fmt.Errorf("Expected rc to have registers"))
		}
	} else {
		panic(fmt.Errorf("Expected container OpSelectN, saw %v instead", container.LongString()))
	}
	return m0
}

func isBlockMultiValueExit(b *Block) bool {
	return (b.Kind == BlockRet || b.Kind == BlockRetJmp) && b.Controls[0] != nil && b.Controls[0].Op == OpMakeResult
}

type Abi1RO uint8 // An offset within a parameter's slice of register indices, for abi1.

// A registerCursor tracks which register is used for an Arg or regValues, or a piece of such.
type registerCursor struct {
	storeDest   *Value // if there are no register targets, then this is the base of the store.
	storeOffset int64
	regs        []abi.RegIndex // the registers available for this Arg/result (which is all in registers or not at all)
	nextSlice   Abi1RO         // the next register/register-slice offset
	config      *abi.ABIConfig
	regValues   *[]*Value // values assigned to registers accumulate here
}

func (c *registerCursor) String() string {
	dest := "<none>"
	if c.storeDest != nil {
		dest = fmt.Sprintf("%s+%d", c.storeDest.String(), c.storeOffset)
	}
	regs := "<none>"
	if c.regValues != nil {
		regs = ""
		for i, x := range *c.regValues {
			if i > 0 {
				regs = regs + "; "
			}
			regs = regs + x.LongString()
		}
	}

	// not printing the config because that has not been useful
	return fmt.Sprintf("RCSR{storeDest=%v, regsLen=%d, nextSlice=%d, regValues=[%s]}", dest, len(c.regs), c.nextSlice, regs)
}

// next effectively post-increments the register cursor; the receiver is advanced,
// the (aligned) old value is returned.
func (c *registerCursor) next(t *types.Type) registerCursor {
	c.storeOffset = types.RoundUp(c.storeOffset, t.Alignment())
	rc := *c
	c.storeOffset = types.RoundUp(c.storeOffset+t.Size(), t.Alignment())
	if int(c.nextSlice) < len(c.regs) {
		w := c.config.NumParamRegs(t)
		c.nextSlice += Abi1RO(w)
	}
	return rc
}

// plus returns a register cursor offset from the original, without modifying the original.
func (c *registerCursor) plus(regWidth Abi1RO) registerCursor {
	rc := *c
	rc.nextSlice += regWidth
	return rc
}

// at returns the register cursor for component i of t, where the first
// component is numbered 0.
func (c *registerCursor) at(t *types.Type, i int) registerCursor {
	rc := *c
	if i == 0 || len(c.regs) == 0 {
		return rc
	}
	if t.IsArray() {
		w := c.config.NumParamRegs(t.Elem())
		rc.nextSlice += Abi1RO(i * w)
		return rc
	}
	if t.IsStruct() {
		for j := 0; j < i; j++ {
			rc.next(t.FieldType(j))
		}
		return rc
	}
	panic("Haven't implemented this case yet, do I need to?")
}

func (c *registerCursor) init(regs []abi.RegIndex, info *abi.ABIParamResultInfo, result *[]*Value, storeDest *Value, storeOffset int64) {
	c.regs = regs
	c.nextSlice = 0
	c.storeOffset = storeOffset
	c.storeDest = storeDest
	c.config = info.Config()
	c.regValues = result
}

func (c *registerCursor) addArg(v *Value) {
	*c.regValues = append(*c.regValues, v)
}

func (c *registerCursor) hasRegs() bool {
	return len(c.regs) > 0
}

func (c *registerCursor) ArgOpAndRegisterFor() (Op, int64) {
	r := c.regs[c.nextSlice]
	return ArgOpAndRegisterFor(r, c.config)
}

// ArgOpAndRegisterFor converts an abi register index into an ssa Op and corresponding
// arg register index.
func ArgOpAndRegisterFor(r abi.RegIndex, abiConfig *abi.ABIConfig) (Op, int64) {
	i := abiConfig.FloatIndexFor(r)
	if i >= 0 { // float PR
		return OpArgFloatReg, i
	}
	return OpArgIntReg, int64(r)
}

type selKey struct {
	from          *Value // what is selected from
	offsetOrIndex int64  // whatever is appropriate for the selector
	size          int64
	typ           *types.Type
}

type expandState struct {
	f       *Func
	debug   int // odd values log lost statement markers, so likely settings are 1 (stmts), 2 (expansion), and 3 (both)
	regSize int64
	sp      *Value
	typs    *Types

	firstOp    Op          // for 64-bit integers on 32-bit machines, first word in memory
	secondOp   Op          // for 64-bit integers on 32-bit machines, second word in memory
	firstType  *types.Type // first half type, for Int64
	secondType *types.Type // second half type, for Int64

	wideSelects     map[*Value]*Value // Selects that are not SSA-able, mapped to consuming stores.
	commonSelectors map[selKey]*Value // used to de-dupe selectors
	commonArgs      map[selKey]*Value // used to de-dupe OpArg/OpArgIntReg/OpArgFloatReg
	memForCall      map[ID]*Value     // For a call, need to know the unique selector that gets the mem.
	indentLevel     int               // Indentation for debugging recursion
}

// intPairTypes returns the pair of 32-bit int types needed to encode a 64-bit integer type on a target
// that has no 64-bit integer registers.
func (x *expandState) intPairTypes(et types.Kind) (tHi, tLo *types.Type) {
	tHi = x.typs.UInt32
	if et == types.TINT64 {
		tHi = x.typs.Int32
	}
	tLo = x.typs.UInt32
	return
}

// offsetFrom creates an offset from a pointer, simplifying chained offsets and offsets from SP
func (x *expandState) offsetFrom(b *Block, from *Value, offset int64, pt *types.Type) *Value {
	ft := from.Type
	if offset == 0 {
		if ft == pt {
			return from
		}
		// This captures common, (apparently) safe cases.  The unsafe cases involve ft == uintptr
		if (ft.IsPtr() || ft.IsUnsafePtr()) && pt.IsPtr() {
			return from
		}
	}
	// Simplify, canonicalize
	for from.Op == OpOffPtr {
		offset += from.AuxInt
		from = from.Args[0]
	}
	if from == x.sp {
		return x.f.ConstOffPtrSP(pt, offset, x.sp)
	}
	return b.NewValue1I(from.Pos.WithNotStmt(), OpOffPtr, pt, offset, from)
}

func (x *expandState) regWidth(t *types.Type) Abi1RO {
	return Abi1RO(x.f.ABI1.NumParamRegs(t))
}

// regOffset returns the register offset of the i'th element of type t
func (x *expandState) regOffset(t *types.Type, i int) Abi1RO {
	// TODO maybe cache this in a map if profiling recommends.
	if i == 0 {
		return 0
	}
	if t.IsArray() {
		return Abi1RO(i) * x.regWidth(t.Elem())
	}
	if t.IsStruct() {
		k := Abi1RO(0)
		for j := 0; j < i; j++ {
			k += x.regWidth(t.FieldType(j))
		}
		return k
	}
	panic("Haven't implemented this case yet, do I need to?")
}

// prAssignForArg returns the ABIParamAssignment for v, assumed to be an OpArg.
func (x *expandState) prAssignForArg(v *Value) *abi.ABIParamAssignment {
	if v.Op != OpArg {
		panic(fmt.Errorf("Wanted OpArg, instead saw %s", v.LongString()))
	}
	return ParamAssignmentForArgName(x.f, v.Aux.(*ir.Name))
}

// ParamAssignmentForArgName returns the ABIParamAssignment for f's arg with matching name.
func ParamAssignmentForArgName(f *Func, name *ir.Name) *abi.ABIParamAssignment {
	abiInfo := f.OwnAux.abiInfo
	ip := abiInfo.InParams()
	for i, a := range ip {
		if a.Name == name {
			return &ip[i]
		}
	}
	panic(fmt.Errorf("Did not match param %v in prInfo %+v", name, abiInfo.InParams()))
}

// indent increments (or decrements) the indentation.
func (x *expandState) indent(n int) {
	x.indentLevel += n
}

// Printf does an indented fmt.Printf on the format and args.
func (x *expandState) Printf(format string, a ...interface{}) (n int, err error) {
	if x.indentLevel > 0 {
		fmt.Printf("%[1]*s", x.indentLevel, "")
	}
	return fmt.Printf(format, a...)
}

func (x *expandState) invalidateRecursively(a *Value) {
	var s string
	if x.debug > 0 {
		plus := " "
		if a.Pos.IsStmt() == src.PosIsStmt {
			plus = " +"
		}
		s = a.String() + plus + a.Pos.LineNumber() + " " + a.LongString()
		if x.debug > 1 {
			x.Printf("...marking %v unused\n", s)
		}
	}
	lost := a.invalidateRecursively()
	if x.debug&1 != 0 && lost { // For odd values of x.debug, do this.
		x.Printf("Lost statement marker in %s on former %s\n", base.Ctxt.Pkgpath+"."+x.f.Name, s)
	}
}

Youez - 2016 - github.com/yon3zu
LinuXploit