Don't avoid 64-byte operations just because 63-byte operations would do

This code: ([Zig Godbolt](https://zig.godbo.lt/#g:!((g:!((g:!((h:codeEditor,i:(filename:'1',fontScale:14,fontUsePx:'0',j:1,lang:zig,selection:(endColumn:2,endLineNumber:12,positionColumn:2,positionLineNumber:12,selectionStartColumn:2,selectionStartLineNumber:12,startColumn:2,startLineNumber:12),source:'export+fn+process(x:+%5B*%5Dconst+u8,+out:+%5B*%5Du8)+void+%7B%0A++++out%5B0..64%5D.*+%3D+x%5B0..64%5D.*+%2B+@Vector(64,+u8)%7B%0A+++++++++0,++1,++2,++3,++4,++5,++6,++7,%0A+++++++++8,++9,+10,+11,+12,+13,+14,+15,%0A++++++++16,+17,+18,+19,+20,+21,+22,+23,%0A++++++++24,+25,+26,+27,+28,+29,+30,+31,%0A++++++++32,+33,+34,+35,+36,+37,+38,+39,%0A++++++++40,+41,+42,+43,+44,+45,+46,+47,%0A++++++++48,+49,+50,+51,+52,+53,+54,+55,%0A++++++++56,+57,+58,+59,+60,+61,+62,+63,%0A++++%7D%3B%0A%7D'),l:'5',n:'0',o:'Zig+source+%231',t:'0')),k:52.491917429236636,l:'4',m:100,n:'0',o:'',s:0,t:'0'),(g:!((h:compiler,i:(compiler:z0160,filters:(b:'0',binary:'1',binaryObject:'1',commentOnly:'0',debugCalls:'1',demangle:'0',directives:'0',execute:'1',intel:'0',libraryCode:'0',trim:'1',verboseDemangling:'0'),flagsViewOpen:'1',fontScale:14,fontUsePx:'0',j:2,lang:zig,libs:!(),options:'-O+ReleaseFast+-target+x86_64-macos+-mcpu%3Dznver5+-fomit-frame-pointer',overrides:!(),selection:(endColumn:1,endLineNumber:1,positionColumn:1,positionLineNumber:1,selectionStartColumn:1,selectionStartLineNumber:1,startColumn:1,startLineNumber:1),source:1),l:'5',n:'0',o:'+zig+0.16.0+(Editor+%231)',t:'0')),header:(),k:47.508082570763364,l:'4',m:100,n:'0',o:'',s:0,t:'0')),l:'2',m:100,n:'0',o:'',t:'0')),version:4)) ([LLVM Godbolt](https://llvm.godbo.lt/#z:OYLghAFBqd5QCxAYwPYBMCmBRdBLAF1QCcAaPECAMzwBtMA7AQwFtMQByARg9KtQYEAysib0QXACx8BBAKoBnTAAUAHpwAMvAFYTStJg1C1aANxakl9ZATwDKjdAGFUtAK4sGIAMwBWUo4AMngMmAByHgBGmMQgAExcAGykAA6oCoR2DC7unj7%2BaRm2AsGhESzRsQnJVpg2WUIETMQEOR5efpaY1sUMjc0EpeFRMfFJlk0tbXmdCpODIcMVo9UAlJaobsTI7BwApN4AQgDUALIYbvQAkgAixwd3YBwsTCFPexoAggqb25gA%2BjR6Mw2PdvHc9nE4i8QpC4h9PpNgJgCMd0EwmgYAJ6bVEPe5QzAAWhYIGJKTiAHYND44rSiRTKVxafTGXTEpIQByiXgOVzJDyuHEABwSEVEqjCmlC4VEhiipIs7lCGVwhFIlHHAjEPApehgiFQ1TCxL/bluBgAawYqAA7gwibQQm5VL4AHRcDRujQktwKWhqr4IgACkTcdFsDDduJSbgI/xYGEwBuOKR1pgxyYtIMw6H%2BTHQ6GIxzQDDmhlReDixy4pGOYjwwAYNZDYYjITdTqtCaTKbTeAzBCzDBzeYLRZLAnLgmOeC4xyoYiUdYbTZbQa%2BwbTqB2CgUKYbTH3plQeHQxwgKW1davxHWqe1x2DMKj293CgRn6OxwAYhb6gIxyItqCggMcNoWraITnm4tpNJE9AIlgNChKm6aZscJ5nk%2BL5um%2BmB7pej7EJgBYCLQWLgQIDCXLQBK%2BBoN6PjaI60fRXCrMc2asLm%2BaFsWkLeBo9ZOmu857JShwInSCLHPR3gHiYO5MPcviHByxyqLOwp7L4NwrqJzZcLJ9GSIptDKap6lmVpeA6XpBmNkZJmQr4vjmZZt6OWuOlfHJrmJB5ogPmQIlOccvmfHJcwkMmt70YxIX0ckYU%2BSZMUkUlrm1llcRud5zaRf5eWUimFkFiFTECXl/ipYVLl5cKKbIkO9BsII8UhJEmwMOg%2B66Yc862fZ%2Bm5b4lJ1ryZkaA1vgAJxlagFVeWNKWrvVfnscJ%2BItd0mDtQQnUMN1Fp9VZQ3abpo3xa5c2TRpM2baIJiYae57BiY5humwLDICkWJ4V6KRelNRHFutNamVVdWQ9liVTccHKTfOi60EoqyzVw4ngscu1tYwh2Pl1PVnQNF12Vd0OudIs4PZj1b4uV552VTeVY5jCk7Sie0HUdJ29f1ankyNrO%2BDTCPGZt2VmYzS3M8KotcN4mPuVzrX7QTfMk4Lg2aZdDljeLGnwlLbOBbLFUs2NXC%2BJjpVqzzmtE8d2vnXrFMGzdeVG2Zyum74XBNRb8uK5SmMLQ7%2BMdc7/Ok0L7si4b91mZIs1xNtONM9pitzWn2N3HjGvR8WxOnTrwuU0ntNmbb/tQotlsK2NCRp5zOOF7zMeu2TCeV17YvJ4jacy5ncvZ83ftRfReXNdzUeEyXLtl27w194%2B1OD2Hdfm6Pjei3laf2%2B3c9Fwvs5LwLK/69d6/e4PRXT0Hu8h83W9T65cQR8f6ud4vsfl73T2t8B7V2OLnf2QkG4v37p/Wa3h864xPr/c%2B/8r4exvtVEBEtHrvzyt4Bmz9x793gXAtuBckFOz/t3eOq8gGYJ9jWSWuDfDeBHncLOVtiGT2Kiw1W39HbFxQdQ3WtCMFQ1AUKOBO92Fj04cAvwcCj7kJ/pQoRy8e6iNFgwpWcCn4yL3mNbwb8eHeC/sogRZ9S6Xw0dfLRg8pCzUkBnfR0D5HgOYZIBBHdVFWLjiI2xVcJa1w8QQlxRDgGeMcWQxBKjBG%2BIAZowJGkkiOLYccDhTd%2B6SG4aZPh5j55a3UTQgJWT7HGNMtI9JsjMkROCTwyQSiYkWMKdY4p6C7ESIftTPRVSDFZPKdTMxTSCldyKf49pSSzJcHcTwhiUDwn0JmfRAOs9YmWIvn4iudDxEI3TrNXwoTemuMwQHfZ0TvFxI2QkkpETB4t39mLeZciTk5Ncm5VZzTRmtPGYnUpoCoT7MqRk0Wbl9mNIues1BNiJl/N2a8mqPTgVjXGvsoZEKWmbMAWIje/zU7%2B0SM4o5CzllLICl4ihlyoVtN%2Bbc/5dTkqHKRf3RITCeGJHORSyFwitnYrvv8xIs0NLB2JQFeFvhEh5OGafDF1yYW0t2QMvKiQgXVNFhKwV4LOUyrQTS%2BhdyulKsRaq1airxVoq1V8zFiTYXG1JSVQlTLgGJDteNclaztXQt1TsjSQlZqUkZca/uTI/UcvdZa2VXqcUIxIf7SkaTHWYMpGKykkr0Xhp1WvPVoD8F%2BpVX04BKa/WarDVQsZPKOnRuTUa/NibTWUnNSWtR3zy2TOOKw2aUonk1MTS64UbrPmlubViitPr6WuWFAGmt9E%2B0dtDQOptVqblZujQK/2wp42BuAcKMVwpU0WsHYuuVy6fWmpNF20Wu6O3FvnfEjN2yo0%2BoNb4YU1bjnTtPQ2m9Vy728qwT6l1c0HWbswcKAD/aRkHojZm71KccE8LmpOt9t1WX0TmnOiDC6oP3r5QjSJ/s5obqnbdMVc092NtvZ66DD6U4m2YXNPNSG8qkdmnNa9GGKPUqozhjS2SWOvpFUx01c1P3se/ZR7Df6U54uYZ6IDRGmMus9OB6V6bxO/oYZIMdbMNCIYEwHDQKG4boZU5Bn9I6U6rpkxoQjjH9Nis9GRr9VKflcck8cBpmMNAMb0w5zzbGTOYbM62yQT7PT8eeVtU1noRMBY4y5iTGnFOenPdbDQSXlPILiy2m1Nc4PsSFCl/uWNDNsyVh80Tznsvyo0qc/2WMbM%2BZ0XVm25XYtic4wlweBzMZJEK8ArGWmA5cH85l9r8X1Ndfs4HPrmCsZRema10blXh2trFvTOTtmsaKYSItnxY2qvHproNoUumIvZXuTJuIxmlvcpWzl444r6YNbO2zK79NHMVdu9a6rNcotxG8y9gOB86tUl25Sr7S6YMPdCyKGb7EqT0xizdstd2fsPcU5A4VgOhQY4y3t5b33DuIzy9lfBcPSclYDt4a7%2BOIdHqhyyjmz3u3sWpxzD7bWCeQ%2Bo4jWjPClYA5Z6T47RiwdcpR4Thn9nvDhaF2zIxHMhkhCUC0CxYInAaVXt4bAqZTw/AYJNIOr3Jpk5J2zJxKZlcxDWerzXl1tes7utpdi4syeU6kAgq3qv5625svbnX0t4ZG4DilPAZO%2Bcu8OV7m3BwNd%2B4pg76WOU7LsSbmH6s9nsmW7LNbtXse7cJ4D%2BbuIhvp7wzJ9J/nkg0nR7z94OPvdE/m%2B8KXj%2BJfZxk%2BO5p7PKuY/14LzpJvAdq%2Bt7ynEV31ZLNV8qbXn3%2Bf4%2BD6L8P2qKeP6h7J1FhpPfc9z/7wvg4S%2BpCh%2BDyKE31ZQshe3970%2BvvG%2BH4aaPlh5fqyKckErnP1%2BDq361/ftPwf8Fn41hm4BxzL4iz437z534u5O6r54IT6MIqye4f594N4/7sQMSP7eDr7ViSJ1YHJX4oED4H7oHJ7/5p5u72YsIEF16oH%2B7oHt6wFizP41iV7oE17IE0FEFD42wt7O7UwMFu7HbvJgEcG760GF5sGP4j4d44FT7oEz6iEQF75QHZT5R8HezYE1hRbjTUFiFcGH7ipSHkE4GhbPq6FKHiGL7oETTqFuTMHTIqzv696cH77cHPqP4HKAF7J1YErmFf6QFoGqEwHB5YLh7u4sp%2BEEzf50HZQEoeGaEAo%2BFR6KH%2BHKGBFmykHLLGHHBvY%2BHRLgGpGWHEGxEMHB5xEyE5GsGxHsHOF6GuGH7sqP6JACHVjA4yYSqREzgBExFmzixlHwH/aYzKqdF4hpE9Eh4r5lEJFRaJCNIFFRHdESGxHH7JTZEihDE9LzFdFjFLFmw2GMHUheGKbOojHRG7Eh5/70T%2BqAG%2Bp1bUinGLFWGxHBFXHwExoyZMgPE7FPFsyHG2GUiaE5p3HJG1EWH6HsRMiP6UjZFs53H5EpELHfHFG/GlHTrMHtp3E1E75gn1EQm8GMETo3HHYppfFFHcFxqP7ro3FyHZQAmkngm0mTHTqAlRaUhzEInbFkmH4AmUkwmhbQn0m4m0n7HB6AY3GKb1qCkqG/GXG3QtHubAGByEpbGjFckQkvG3TwF4YyZ9pSnpEBxSiP70aAGSAR7ZQTp6njGByZG3TZG8Z1bbqWnnGByolwzMHV6YzrpOk/EGn4nB6ejymaaemSoqlnE%2BmBx9FbRak0lsxnoiGgmFEMmxlMlwyaEeYOnskJmIlqnmkrFwx2mhYvrenIkGkin5bumKagbFncEvqP5YzykMThzKkcmqlJkGkamlbwG1YyZzRIFZmcltnTJB75aaHdZ1YIbVmH69l1mByAEsLhzwn9mtlClswIZ1npxzlVGrlYmf7ZmDlobrkNnHakaTnsQEbrldkxkBz0annZSkbrmjlRasa3mrl5mvbZHPrhybEtlhklnTJlmk7MHzThxOHYmJkrnXmyny7ykEppwaDNlLm/ncHCZ1msKAGM51wGYvkHLwWoWaHNFwUglgV7kQXpw2ny7ZHspwXRLjjgSwRIVL7pzt6x4p7DmZGol%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%2Bm03JL3Xj6c0/WnWk13IfUzyM1C2vUi3/KA3/aC2w2o1g27IQ0HKg4S0K3LlK3GyDWw7q3M082s1mTj4E0zU43c0lm81G2LWY44wo2a143GybXwLy360W2G05GHVk563m1D6W05EXXU4u0%2B2MXu2wJ1ysJB2/Us3tW3HMJXZfVU1R0G0x2A1YGR3C3R0DUq1XZdVm1J1u0x2DUy7p1S2Z3ZpTVXam2J0Z3J0DWLUW7e352%2B3u1YHDzbV5010F0DWHWmkl1w3S3RoXVZ6N2d3N0x33XV592K0O2wbDwJ1c1N0h3tXak8Lj4NUd2l212gKmnDy53V2b1d3b2DWX4j0H1j2TUV1v5T320D08aLWgG20b391l24abUrKn3P1b24aHX4Ef3T230pwXVUF/030v08b3WPIgMMVl4LUfXCGP372f2H0Izdmr3irX3QMfzu1jlx06FQOPHIM1aDVmH4NInn2gJrZ1zzQYMEPkMoOLW%2BGkM5lj7YObURFMNtl%2B0orbzHVP3/1gM1wXXso0NkNL1db3VCoIML2j1iMbUfUdEcNo2DwYVx3DGKNa1mQEXbx73SNn2yMIxUWbQZTJiMHpw0zEIFTriqM9JpqmaA7o3pRECZSmMaC1QwKJBNwQyA0nGRyc6uz2N3KOOxS2HpwpTuNO5eOHyEq2OBYBPZpBPOMn4aA2EwJ/GRN1yfG%2BPI6XxxO4YJMmNJNy4HKQkwyA3%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%2Bsn6n7NzTmZvTwTkeuoJet0uFtSuMvpvt7ksHJoY5v6t5uO32sHKGUlsCuxt1wEatuevKsI5GvBOmPwL7znllsfwnmVv%2BPDuqu1sfwmUwL3nTtj43lzvzPttG1LJqtmUlvmtiRxtWvvM2ufPZo3NLtj5oUlsut9tx1zQ2P7q5sXvRrfPXtdt/OYKfyBsPtZshtnthvKtAkQuftXbQs/soXrtP7RMvtttvs%2Bopvgc2WGK4UwdCR46ht6Yx0Ftjsn4y5XMGaAtwI6aDtVsgc1v4fTz2VoeNtBuuRCTNNAc4cDXcvgeOVoe9vHsQLWbkfzs7ttrivUcfyeJEeyv/vySuP8fbuIe%2ByLsidj4uVodauSeMdeYycfMWPZp7sce8HEJeYke8entIuCdOKdvj73OYJCT3s8fMJCTPvkZDtmcfuKcHKeVod/t2cmJpaafnvae4YRsceQdScxvefyTJZbtafyKTXIdufj5pvWddNNvwJYcsdDMemjuJPTx%2BWGLjMpcFZRf%2Bcxfb1UfZeif1tJf0dqd4JlZFfAdmfsfxeBXEKHMFdpJ6vOdyfubCfldj7BV5cSfheMctb1esfb0Kd9cHKeF5eqfDe1e6vwddcBfgMWdhV5dHvOQQJQ1jdDONlZeSsfwgKte2dbf2dI38Kfaycrc1yudTc1RXOzkYdY2Xd%2BPXclcoNBfNchcjdhdncmKE27fKvzkHchPjRXOKUpcU2veKsNfdeUNgfNcLPStQ%2BHKdcUeCegqg%2BmPzQQ/VfzcsIc1A%2BY9Nf3flHEKmtQ8ddLcY/w%2B9eHdj7JWGKOsYfi0w8gtw83fQ4WepXM9zf/fyRy3E/w%2B6fxeNHM%2BbenOC8md4uCewXY8n5IzM%2BndS%2BMe63s/YdDMqM%2Bti/fuC9ecC9q%2BAemfddaOI9k8/d4L6UYc235JvfRfWfKNxdk%2BJfyTdvrPPR0RYTvSfQsDfT7R/QAzAyAxuigzxRePTrQwR%2BMfKPiwoxLiYAYybQkSoje%2BfiUg3CfhBjfh/gMAATNjATECgRUSQTQTHBQQmAp9bDNg2hUAkTJg2ie%2BRB5WWjHA/QkBYgQDNDAA/RgQkQFi2g6hDhJ%2BfBYDIAGCZTe9Pi%2B/%2B%2B/T/Qh/B9h/MRLROhHhUSiBXhbDJiD%2BECYDkSUSuR8vL%2BHj7iN9MCb%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%2BAUwIEK4EhBwhyAM8EIJOGCAhBLwZAMQFQDFCMgAgPkSwEUGsCOh0QPkVcPwDEAOQjQrgR0LlHUjDgLAW0K8AIASjDgcw1kawKSG0AWAlwIQSkEtBuATRiQ04SaJIhUAUQyABAKqLTBUB7RpgrgcQDWFci3Raw4gOaK9HEBeoQg90UoFzBCCFATAIoaGMiCRAmRmAFINIP76WgQghgrgVUMxEpiEAcwS0KGPxGsC9wmAXIYcDzEt4UxSgSQB6GzGYAyxBYvMZIDTG5iixQgjMIIK4EcjDRlwWwakJbEtDBRbgFICkBiBCCGhNodkVsNYHGgJoXA0kfIPhFjiwxSIoQVOPIE1CFxc4wQUSCSAyDLhWAUgESHwSbjEw24okKwFUBHjjBJeI8eKOkEjCdxx4vAagBYB6hsqN4y8VQBSDjALxJ418QrA/E8hBA3428R0KL7PiTxBAKgAAR/G2B6AN4hQZ6HLGnj%2BhXoc8coKByvj3xyg1we4PgmhBSw5A14fBPSFUjIhaEhQQRLwCRDvx%2BQwwPaKJAOjeReA5AA%2BJ3HIAnBeA2gFgETBDgmJD45AH0PHA7jMAwANMPxIYC2CGJVgokDEBYC4idxqMJQDGJSAKAiQLUF4HRNknEgsACkx0MQNOEMjtJqkhPvJMUlGjaAYwiUAZI0lGTaI9gsyWjHUmxjFJ/YokTJPMn2TEBSQ/SbZMMlEgChyIZyYsKxjTDZhiQvybgMpCBTGAwUsyYsOAAYgEAA4qKbgOqEKSQpUItid5NQBNBOJCUokECLwAgjiQAo9IP6EMDEgqhMIuESlKRFOMoR3wkkEeH%2BEhSYgNUqgLgIIAIBDAUI8qVBIlAvBpANE5oFgAdD%2BhFJeAbQIxP6nujGAdwtGN5JRA7iEAJEJQLIJ5DMjaADI1AEyIHCNDfxXYYkEeBYBEg/QxIQScQHAmWhAhjoUiHcPmGXSmAh0pQIpKYCGDHQpgPAHgJoA7izAb0pmBNMGlJjPptoG6YBIBFyhCwO4hgCxJtDSCsQKQI8IpKwDYhwZG06YbDL3AxjsQ0g4EOJKhkoy4Z6MpgFiEuGdC5QyMmGXjIRkEzOpsI7qbDPQBQiSAuA4oXn16AgykhAgGgM9L7G8CGQNopqTKGkEcCeZmAW0cQCJBSCZBO4tMMLKan0AYpyAQmUtJ4mSzeZos34ZaFmnAA8AcwGIKzJVlEypJ6sq4U1NMD/9lpUskWSTKUmxT4p5spqVDPeEEAohksggDvyymxgqhcQNIBSB3FNUkBy0lPmkF2k%2ByUQgcxYBJJyoxBmAa0tqRaCzGzTDorgMOdBDwAkQbA8YqiXFJBkBzE5kI5OanNwGe8s5BACwHcJiB5SnQLQncQ9LXHYjuZqYoHFXIsiiDvAiQxSfQExHTS7Qv4ywXUEbldz25fc0QSkBeCFhbQ4k/0F3OHm0Rx5TchkMZNoDWSJ5ogqoWxMHkMjbQG0n6ESFblryLQ60XMCSH2jrjkgnc0QXvMMgHyt54EhQCwBbx3CWAfUn4C1IlDlRlpeYw6VHKciXz9oO4poMAGRB0zgAFkZvmjF/leDf5CgVQGxO1Bxz6BVIowNlL2EHSqpKIr4S1J3HhhBAZAe6cdMNGbTTAdwtEXeLmAgyjp00g6c0EIAIBiFBAUhSriknYKNRhAU0c9KghYBzpO41QJFOIEECGaGfL/o7J1B/8CIBIZ2viGAEl8wBZfCvrQCr7%2BiqIdfTAA32UgmBm%2ByAVvu32ICd9u%2BvfY4Ff1dmJ97g/CjcJ8DABgAZ%2BB4y4JgDdAVCnp/UHGGYuAESRM%2BXwDgOsFoCcBfAvALwBwC0CkBUAnAQIIEAABqpwY4FcAABKxwH4FsB2CiKeApAAgJoDcXrBLQIAZ9G6HozOt/UzqU0s0TugeKOAkgXgKSFkykAfFfigJRwF4CgRGISS3xW4tIBwBYASANAA%2BLoADiKAEANpSkA6WxAU54/QwMAG1Cxy%2BAEYHWZQEiDJLSA7A5gFos4AJLZlzQLEAAHlIg2gGIQst4BtKDoKyhgBRGmVYAwwwAJwBgNAjcBeA7EoZeIAaWkA5RMQgcARGmXZU6gcYXYAksiHdBplToSiVopcBYBplP/UkBctIC4TuoSgG4PtGuVJjkl6wWxTiOCV4BMAtoFZf2J8UJL%2BAggEQGIHYBSAZAggRQCoHUC3LdAtYCEcYDMAWAfloESAOsBqFZBzlRIFZQpDqnbAEADwUgbhPcgSh7xhACUE1TYCIDPlxAXgEbOIA6gsANKiAOsFqD58HAvUaYF4EkDJAggiwcoJUDFCMRCgmQAQIqr0DaregQwdVaMCFCMRZVvQfoFMFcDtAQAyqroD0AaDzAjVIwWIKaomADA9VtYcsC0GdXLBXV6cGVb8B2ASB3Fni7xdMqqUlhyVF4EZVaE4gQBcAhAEgPEtWC8B6lWgVYKkttVcBvQ8CKEEmlcZJomQZKzgMUtIClLcKFS0VZwBqUgA6lsK0NRwDiDhrblVStNQ2tBU6ysgtqoAA%3D))

```zig
export fn process(x: [*]const u8, out: [*]u8) void {
out[0..64].* = x[0..64].* + @Vector(64, u8){
0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39,
40, 41, 42, 43, 44, 45, 46, 47,
48, 49, 50, 51, 52, 53, 54, 55,
56, 57, 58, 59, 60, 61, 62, 63,
};
}
```

Compiles to:

```asm
.LCPI0_0:
.zero 1
.byte 1
.byte 2
.byte 3
.byte 4
.byte 5
.byte 6
.byte 7
.byte 8
.byte 9
.byte 10
.byte 11
.byte 12
.byte 13
.byte 14
.byte 15
.byte 16
.byte 17
.byte 18
.byte 19
.byte 20
.byte 21
.byte 22
.byte 23
.byte 24
.byte 25
.byte 26
.byte 27
.byte 28
.byte 29
.byte 30
.byte 31
.byte 32
.byte 33
.byte 34
.byte 35
.byte 36
.byte 37
.byte 38
.byte 39
.byte 40
.byte 41
.byte 42
.byte 43
.byte 44
.byte 45
.byte 46
.byte 47
.byte 48
.byte 49
.byte 50
.byte 51
.byte 52
.byte 53
.byte 54
.byte 55
.byte 56
.byte 57
.byte 58
.byte 59
.byte 60
.byte 61
.byte 62
.byte 63
.LCPI0_1:
.byte 1
.byte 2
.byte 3
.byte 4
.byte 5
.byte 6
.byte 7
.byte 8
.byte 9
.byte 10
.byte 11
.byte 12
.byte 13
.byte 14
.byte 15
.byte 16
.byte 17
.byte 18
.byte 19
.byte 20
.byte 21
.byte 22
.byte 23
.byte 24
.byte 25
.byte 26
.byte 27
.byte 28
.byte 29
.byte 30
.byte 31
.byte 32
.Lmain.process:
push rbp
mov rbp, rsp
vmovdqu64 zmm0, zmmword ptr [rdi]
vmovdqa ymm2, ymmword ptr [rip + .LCPI0_1]
movzx eax, byte ptr [rdi]
vpaddb zmm0, zmm0, zmmword ptr [rip + .LCPI0_0]
mov byte ptr [rsi], al
vpermb zmm2, zmm2, zmm0
vextracti32x4 xmm1, zmm0, 3
vextracti64x4 ymm0, zmm0, 1
vmovdqu ymmword ptr [rsi + 1], ymm2
vextracti128 xmm2, ymm0, 1
vpalignr xmm0, xmm2, xmm0, 1
vpsrldq xmm3, xmm2, 1
vpsrldq xmm2, xmm2, 9
vmovdqu xmmword ptr [rsi + 33], xmm0
vmovlpd qword ptr [rsi + 49], xmm3
vmovss dword ptr [rsi + 57], xmm2
vpextrb byte ptr [rsi + 61], xmm1, 13
vpextrb byte ptr [rsi + 62], xmm1, 14
vpextrb byte ptr [rsi + 63], xmm1, 15
pop rbp
vzeroupper
ret

process = .Lmain.process
```

Should be:

```asm
.LCPI0_0:
.byte 0
.byte 1
.byte 2
.byte 3
.byte 4
.byte 5
.byte 6
.byte 7
.byte 8
.byte 9
.byte 10
.byte 11
.byte 12
.byte 13
.byte 14
.byte 15
.byte 16
.byte 17
.byte 18
.byte 19
.byte 20
.byte 21
.byte 22
.byte 23
.byte 24
.byte 25
.byte 26
.byte 27
.byte 28
.byte 29
.byte 30
.byte 31
.byte 32
.byte 33
.byte 34
.byte 35
.byte 36
.byte 37
.byte 38
.byte 39
.byte 40
.byte 41
.byte 42
.byte 43
.byte 44
.byte 45
.byte 46
.byte 47
.byte 48
.byte 49
.byte 50
.byte 51
.byte 52
.byte 53
.byte 54
.byte 55
.byte 56
.byte 57
.byte 58
.byte 59
.byte 60
.byte 61
.byte 62
.byte 63
.Lmain.process:
push rbp
mov rbp, rsp
vmovdqu64 zmm0, zmmword ptr [rdi]
vpaddb zmm0, zmm0, zmmword ptr [rip + .LCPI0_0]
vmovdqu64 zmmword ptr [rsi], zmm0
pop rbp
vzeroupper
ret

process = .Lmain.process
```

LLVM is dodging the add 0 in the first byte position, however this dramatically complicates the assembly.