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  1. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

  2. <html>

  3. <!-- This file documents the GNU Assembler "as".

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  17. <title>PDP-11-Options (Using as)</title>

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  59. </head>

  60. 

  61. <body lang="en">

  62. <a name="PDP_002d11_002dOptions"></a>

  63. <div class="header">

  64. <p>

  65. Next: <a href="PDP_002d11_002dPseudos.html#PDP_002d11_002dPseudos" accesskey="n" rel="next">PDP-11-Pseudos</a>, Up: <a href="PDP_002d11_002dDependent.html#PDP_002d11_002dDependent" accesskey="u" rel="up">PDP-11-Dependent</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p>

  66. </div>

  67. <hr>

  68. <a name="Options-17"></a>

  69. <h4 class="subsection">9.34.1 Options</h4>

  70. 

  71. <a name="index-options-for-PDP_002d11"></a>

  72. 

  73. <p>The PDP-11 version of <code>as</code> has a rich set of machine

  74. dependent options.

  75. </p>

  76. <a name="Code-Generation-Options"></a>

  77. <h4 class="subsubsection">9.34.1.1 Code Generation Options</h4>

  78. 

  79. <dl compact="compact">

  80. <dd><a name="index-_002dmpic"></a>

  81. <a name="index-_002dmno_002dpic"></a>

  82. </dd>

  83. <dt><code>-mpic | -mno-pic</code></dt>

  84. <dd><p>Generate position-independent (or position-dependent) code.

  85. </p>

  86. <p>The default is to generate position-independent code.

  87. </p></dd>

  88. </dl>

  89. 

  90. <a name="Instruction-Set-Extension-Options"></a>

  91. <h4 class="subsubsection">9.34.1.2 Instruction Set Extension Options</h4>

  92. 

  93. <p>These options enables or disables the use of extensions over the base

  94. line instruction set as introduced by the first PDP-11 CPU: the KA11.

  95. Most options come in two variants: a <code>-m</code><var>extension</var> that

  96. enables <var>extension</var>, and a <code>-mno-</code><var>extension</var> that disables

  97. <var>extension</var>.

  98. </p>

  99. <p>The default is to enable all extensions.

  100. </p>

  101. <dl compact="compact">

  102. <dd><a name="index-_002dmall"></a>

  103. <a name="index-_002dmall_002dextensions"></a>

  104. </dd>

  105. <dt><code>-mall | -mall-extensions</code></dt>

  106. <dd><p>Enable all instruction set extensions.

  107. </p>

  108. <a name="index-_002dmno_002dextensions"></a>

  109. </dd>

  110. <dt><code>-mno-extensions</code></dt>

  111. <dd><p>Disable all instruction set extensions.

  112. </p>

  113. <a name="index-_002dmcis"></a>

  114. <a name="index-_002dmno_002dcis"></a>

  115. </dd>

  116. <dt><code>-mcis | -mno-cis</code></dt>

  117. <dd><p>Enable (or disable) the use of the commercial instruction set, which

  118. consists of these instructions: <code>ADDNI</code>, <code>ADDN</code>, <code>ADDPI</code>,

  119. <code>ADDP</code>, <code>ASHNI</code>, <code>ASHN</code>, <code>ASHPI</code>, <code>ASHP</code>,

  120. <code>CMPCI</code>, <code>CMPC</code>, <code>CMPNI</code>, <code>CMPN</code>, <code>CMPPI</code>,

  121. <code>CMPP</code>, <code>CVTLNI</code>, <code>CVTLN</code>, <code>CVTLPI</code>, <code>CVTLP</code>,

  122. <code>CVTNLI</code>, <code>CVTNL</code>, <code>CVTNPI</code>, <code>CVTNP</code>, <code>CVTPLI</code>,

  123. <code>CVTPL</code>, <code>CVTPNI</code>, <code>CVTPN</code>, <code>DIVPI</code>, <code>DIVP</code>,

  124. <code>L2DR</code>, <code>L3DR</code>, <code>LOCCI</code>, <code>LOCC</code>, <code>MATCI</code>,

  125. <code>MATC</code>, <code>MOVCI</code>, <code>MOVC</code>, <code>MOVRCI</code>, <code>MOVRC</code>,

  126. <code>MOVTCI</code>, <code>MOVTC</code>, <code>MULPI</code>, <code>MULP</code>, <code>SCANCI</code>,

  127. <code>SCANC</code>, <code>SKPCI</code>, <code>SKPC</code>, <code>SPANCI</code>, <code>SPANC</code>,

  128. <code>SUBNI</code>, <code>SUBN</code>, <code>SUBPI</code>, and <code>SUBP</code>.

  129. </p>

  130. <a name="index-_002dmcsm"></a>

  131. <a name="index-_002dmno_002dcsm"></a>

  132. </dd>

  133. <dt><code>-mcsm | -mno-csm</code></dt>

  134. <dd><p>Enable (or disable) the use of the <code>CSM</code> instruction.

  135. </p>

  136. <a name="index-_002dmeis"></a>

  137. <a name="index-_002dmno_002deis"></a>

  138. </dd>

  139. <dt><code>-meis | -mno-eis</code></dt>

  140. <dd><p>Enable (or disable) the use of the extended instruction set, which

  141. consists of these instructions: <code>ASHC</code>, <code>ASH</code>, <code>DIV</code>,

  142. <code>MARK</code>, <code>MUL</code>, <code>RTT</code>, <code>SOB</code> <code>SXT</code>, and

  143. <code>XOR</code>.

  144. </p>

  145. <a name="index-_002dmfis"></a>

  146. <a name="index-_002dmno_002dfis"></a>

  147. <a name="index-_002dmkev11"></a>

  148. <a name="index-_002dmkev11-1"></a>

  149. <a name="index-_002dmno_002dkev11"></a>

  150. </dd>

  151. <dt><code>-mfis | -mkev11</code></dt>

  152. <dt><code>-mno-fis | -mno-kev11</code></dt>

  153. <dd><p>Enable (or disable) the use of the KEV11 floating-point instructions:

  154. <code>FADD</code>, <code>FDIV</code>, <code>FMUL</code>, and <code>FSUB</code>.

  155. </p>

  156. <a name="index-_002dmfpp"></a>

  157. <a name="index-_002dmno_002dfpp"></a>

  158. <a name="index-_002dmfpu"></a>

  159. <a name="index-_002dmno_002dfpu"></a>

  160. <a name="index-_002dmfp_002d11"></a>

  161. <a name="index-_002dmno_002dfp_002d11"></a>

  162. </dd>

  163. <dt><code>-mfpp | -mfpu | -mfp-11</code></dt>

  164. <dt><code>-mno-fpp | -mno-fpu | -mno-fp-11</code></dt>

  165. <dd><p>Enable (or disable) the use of FP-11 floating-point instructions:

  166. <code>ABSF</code>, <code>ADDF</code>, <code>CFCC</code>, <code>CLRF</code>, <code>CMPF</code>,

  167. <code>DIVF</code>, <code>LDCFF</code>, <code>LDCIF</code>, <code>LDEXP</code>, <code>LDF</code>,

  168. <code>LDFPS</code>, <code>MODF</code>, <code>MULF</code>, <code>NEGF</code>, <code>SETD</code>,

  169. <code>SETF</code>, <code>SETI</code>, <code>SETL</code>, <code>STCFF</code>, <code>STCFI</code>,

  170. <code>STEXP</code>, <code>STF</code>, <code>STFPS</code>, <code>STST</code>, <code>SUBF</code>, and

  171. <code>TSTF</code>.

  172. </p>

  173. <a name="index-_002dmlimited_002deis"></a>

  174. <a name="index-_002dmno_002dlimited_002deis"></a>

  175. </dd>

  176. <dt><code>-mlimited-eis | -mno-limited-eis</code></dt>

  177. <dd><p>Enable (or disable) the use of the limited extended instruction set:

  178. <code>MARK</code>, <code>RTT</code>, <code>SOB</code>, <code>SXT</code>, and <code>XOR</code>.

  179. </p>

  180. <p>The -mno-limited-eis options also implies -mno-eis.

  181. </p>

  182. <a name="index-_002dmmfpt"></a>

  183. <a name="index-_002dmno_002dmfpt"></a>

  184. </dd>

  185. <dt><code>-mmfpt | -mno-mfpt</code></dt>

  186. <dd><p>Enable (or disable) the use of the <code>MFPT</code> instruction.

  187. </p>

  188. <a name="index-_002dmmutiproc"></a>

  189. <a name="index-_002dmno_002dmutiproc"></a>

  190. </dd>

  191. <dt><code>-mmultiproc | -mno-multiproc</code></dt>

  192. <dd><p>Enable (or disable) the use of multiprocessor instructions: <code>TSTSET</code> and

  193. <code>WRTLCK</code>.

  194. </p>

  195. <a name="index-_002dmmxps"></a>

  196. <a name="index-_002dmno_002dmxps"></a>

  197. </dd>

  198. <dt><code>-mmxps | -mno-mxps</code></dt>

  199. <dd><p>Enable (or disable) the use of the <code>MFPS</code> and <code>MTPS</code> instructions.

  200. </p>

  201. <a name="index-_002dmspl"></a>

  202. <a name="index-_002dmno_002dspl"></a>

  203. </dd>

  204. <dt><code>-mspl | -mno-spl</code></dt>

  205. <dd><p>Enable (or disable) the use of the <code>SPL</code> instruction.

  206. </p>

  207. <a name="index-_002dmmicrocode"></a>

  208. <a name="index-_002dmno_002dmicrocode"></a>

  209. <p>Enable (or disable) the use of the microcode instructions: <code>LDUB</code>,

  210. <code>MED</code>, and <code>XFC</code>.

  211. </p></dd>

  212. </dl>

  213. 

  214. <a name="CPU-Model-Options"></a>

  215. <h4 class="subsubsection">9.34.1.3 CPU Model Options</h4>

  216. 

  217. <p>These options enable the instruction set extensions supported by a

  218. particular CPU, and disables all other extensions.

  219. </p>

  220. <dl compact="compact">

  221. <dd><a name="index-_002dmka11"></a>

  222. </dd>

  223. <dt><code>-mka11</code></dt>

  224. <dd><p>KA11 CPU.  Base line instruction set only.

  225. </p>

  226. <a name="index-_002dmkb11"></a>

  227. </dd>

  228. <dt><code>-mkb11</code></dt>

  229. <dd><p>KB11 CPU.  Enable extended instruction set and <code>SPL</code>.

  230. </p>

  231. <a name="index-_002dmkd11a"></a>

  232. </dd>

  233. <dt><code>-mkd11a</code></dt>

  234. <dd><p>KD11-A CPU.  Enable limited extended instruction set.

  235. </p>

  236. <a name="index-_002dmkd11b"></a>

  237. </dd>

  238. <dt><code>-mkd11b</code></dt>

  239. <dd><p>KD11-B CPU.  Base line instruction set only.

  240. </p>

  241. <a name="index-_002dmkd11d"></a>

  242. </dd>

  243. <dt><code>-mkd11d</code></dt>

  244. <dd><p>KD11-D CPU.  Base line instruction set only.

  245. </p>

  246. <a name="index-_002dmkd11e"></a>

  247. </dd>

  248. <dt><code>-mkd11e</code></dt>

  249. <dd><p>KD11-E CPU.  Enable extended instruction set, <code>MFPS</code>, and <code>MTPS</code>.

  250. </p>

  251. <a name="index-_002dmkd11f"></a>

  252. <a name="index-_002dmkd11h"></a>

  253. <a name="index-_002dmkd11q"></a>

  254. </dd>

  255. <dt><code>-mkd11f | -mkd11h | -mkd11q</code></dt>

  256. <dd><p>KD11-F, KD11-H, or KD11-Q CPU.  Enable limited extended instruction set,

  257. <code>MFPS</code>, and <code>MTPS</code>.

  258. </p>

  259. <a name="index-_002dmkd11k"></a>

  260. </dd>

  261. <dt><code>-mkd11k</code></dt>

  262. <dd><p>KD11-K CPU.  Enable extended instruction set, <code>LDUB</code>, <code>MED</code>,

  263. <code>MFPS</code>, <code>MFPT</code>, <code>MTPS</code>, and <code>XFC</code>.

  264. </p>

  265. <a name="index-_002dmkd11z"></a>

  266. </dd>

  267. <dt><code>-mkd11z</code></dt>

  268. <dd><p>KD11-Z CPU.  Enable extended instruction set, <code>CSM</code>, <code>MFPS</code>,

  269. <code>MFPT</code>, <code>MTPS</code>, and <code>SPL</code>.

  270. </p>

  271. <a name="index-_002dmf11"></a>

  272. </dd>

  273. <dt><code>-mf11</code></dt>

  274. <dd><p>F11 CPU.  Enable extended instruction set, <code>MFPS</code>, <code>MFPT</code>, and

  275. <code>MTPS</code>.

  276. </p>

  277. <a name="index-_002dmj11"></a>

  278. </dd>

  279. <dt><code>-mj11</code></dt>

  280. <dd><p>J11 CPU.  Enable extended instruction set, <code>CSM</code>, <code>MFPS</code>,

  281. <code>MFPT</code>, <code>MTPS</code>, <code>SPL</code>, <code>TSTSET</code>, and <code>WRTLCK</code>.

  282. </p>

  283. <a name="index-_002dmt11"></a>

  284. </dd>

  285. <dt><code>-mt11</code></dt>

  286. <dd><p>T11 CPU.  Enable limited extended instruction set, <code>MFPS</code>, and

  287. <code>MTPS</code>.

  288. </p></dd>

  289. </dl>

  290. 

  291. <a name="Machine-Model-Options"></a>

  292. <h4 class="subsubsection">9.34.1.4 Machine Model Options</h4>

  293. 

  294. <p>These options enable the instruction set extensions supported by a

  295. particular machine model, and disables all other extensions.

  296. </p>

  297. <dl compact="compact">

  298. <dd><a name="index-_002dm11_002f03"></a>

  299. </dd>

  300. <dt><code>-m11/03</code></dt>

  301. <dd><p>Same as <code>-mkd11f</code>.

  302. </p>

  303. <a name="index-_002dm11_002f04"></a>

  304. </dd>

  305. <dt><code>-m11/04</code></dt>

  306. <dd><p>Same as <code>-mkd11d</code>.

  307. </p>

  308. <a name="index-_002dm11_002f05"></a>

  309. <a name="index-_002dm11_002f10"></a>

  310. </dd>

  311. <dt><code>-m11/05 | -m11/10</code></dt>

  312. <dd><p>Same as <code>-mkd11b</code>.

  313. </p>

  314. <a name="index-_002dm11_002f15"></a>

  315. <a name="index-_002dm11_002f20"></a>

  316. </dd>

  317. <dt><code>-m11/15 | -m11/20</code></dt>

  318. <dd><p>Same as <code>-mka11</code>.

  319. </p>

  320. <a name="index-_002dm11_002f21"></a>

  321. </dd>

  322. <dt><code>-m11/21</code></dt>

  323. <dd><p>Same as <code>-mt11</code>.

  324. </p>

  325. <a name="index-_002dm11_002f23"></a>

  326. <a name="index-_002dm11_002f24"></a>

  327. </dd>

  328. <dt><code>-m11/23 | -m11/24</code></dt>

  329. <dd><p>Same as <code>-mf11</code>.

  330. </p>

  331. <a name="index-_002dm11_002f34"></a>

  332. </dd>

  333. <dt><code>-m11/34</code></dt>

  334. <dd><p>Same as <code>-mkd11e</code>.

  335. </p>

  336. <a name="index-_002dm11_002f34a"></a>

  337. </dd>

  338. <dt><code>-m11/34a</code></dt>

  339. <dd><p>Ame as <code>-mkd11e</code> <code>-mfpp</code>.

  340. </p>

  341. <a name="index-_002dm11_002f35"></a>

  342. <a name="index-_002dm11_002f40"></a>

  343. </dd>

  344. <dt><code>-m11/35 | -m11/40</code></dt>

  345. <dd><p>Same as <code>-mkd11a</code>.

  346. </p>

  347. <a name="index-_002dm11_002f44"></a>

  348. </dd>

  349. <dt><code>-m11/44</code></dt>

  350. <dd><p>Same as <code>-mkd11z</code>.

  351. </p>

  352. <a name="index-_002dm11_002f45"></a>

  353. <a name="index-_002dm11_002f50"></a>

  354. <a name="index-_002dm11_002f55"></a>

  355. <a name="index-_002dm11_002f70"></a>

  356. </dd>

  357. <dt><code>-m11/45 | -m11/50 | -m11/55 | -m11/70</code></dt>

  358. <dd><p>Same as <code>-mkb11</code>.

  359. </p>

  360. <a name="index-_002dm11_002f53"></a>

  361. <a name="index-_002dm11_002f73"></a>

  362. <a name="index-_002dm11_002f83"></a>

  363. <a name="index-_002dm11_002f84"></a>

  364. <a name="index-_002dm11_002f93"></a>

  365. <a name="index-_002dm11_002f94"></a>

  366. </dd>

  367. <dt><code>-m11/53 | -m11/73 | -m11/83 | -m11/84 | -m11/93 | -m11/94</code></dt>

  368. <dd><p>Same as <code>-mj11</code>.

  369. </p>

  370. <a name="index-_002dm11_002f60"></a>

  371. </dd>

  372. <dt><code>-m11/60</code></dt>

  373. <dd><p>Same as <code>-mkd11k</code>.

  374. </p></dd>

  375. </dl>

  376. 

  377. <hr>

  378. <div class="header">

  379. <p>

  380. Next: <a href="PDP_002d11_002dPseudos.html#PDP_002d11_002dPseudos" accesskey="n" rel="next">PDP-11-Pseudos</a>, Up: <a href="PDP_002d11_002dDependent.html#PDP_002d11_002dDependent" accesskey="u" rel="up">PDP-11-Dependent</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p>

  381. </div>

  382. 

  383. 

  384. 

  385. </body>

  386. </html>