diff options
Diffstat (limited to 'devdocs/gcc~13/pdp-11-options.html')
| -rw-r--r-- | devdocs/gcc~13/pdp-11-options.html | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/devdocs/gcc~13/pdp-11-options.html b/devdocs/gcc~13/pdp-11-options.html new file mode 100644 index 00000000..b0236565 --- /dev/null +++ b/devdocs/gcc~13/pdp-11-options.html @@ -0,0 +1,47 @@ +<div class="subsection-level-extent" id="PDP-11-Options"> <div class="nav-panel"> <p> Next: <a href="powerpc-options" accesskey="n" rel="next">PowerPC Options</a>, Previous: <a href="openrisc-options" accesskey="p" rel="prev">OpenRISC Options</a>, Up: <a href="submodel-options" accesskey="u" rel="up">Machine-Dependent Options</a> [<a href="index#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="indices" title="Index" rel="index">Index</a>]</p> </div> <h1 class="subsection" id="PDP-11-Options-1"><span>3.19.37 PDP-11 Options<a class="copiable-link" href="#PDP-11-Options-1"> ¶</a></span></h1> <p>These options are defined for the PDP-11: </p> <dl class="table"> <dt> +<span><code class="code">-mfpu</code><a class="copiable-link" href="#index-mfpu-3"> ¶</a></span> +</dt> <dd> +<p>Use hardware FPP floating point. This is the default. (FIS floating point on the PDP-11/40 is not supported.) Implies -m45. </p> </dd> <dt> +<span><code class="code">-msoft-float</code><a class="copiable-link" href="#index-msoft-float-10"> ¶</a></span> +</dt> <dd> +<p>Do not use hardware floating point. </p> </dd> <dt> +<span><code class="code">-mac0</code><a class="copiable-link" href="#index-mac0"> ¶</a></span> +</dt> <dd> +<p>Return floating-point results in ac0 (fr0 in Unix assembler syntax). </p> </dd> <dt> +<span><code class="code">-mno-ac0</code><a class="copiable-link" href="#index-mno-ac0"> ¶</a></span> +</dt> <dd> +<p>Return floating-point results in memory. This is the default. </p> </dd> <dt> +<span><code class="code">-m40</code><a class="copiable-link" href="#index-m40"> ¶</a></span> +</dt> <dd> +<p>Generate code for a PDP-11/40. Implies -msoft-float -mno-split. </p> </dd> <dt> +<span><code class="code">-m45</code><a class="copiable-link" href="#index-m45"> ¶</a></span> +</dt> <dd> +<p>Generate code for a PDP-11/45. This is the default. </p> </dd> <dt> +<span><code class="code">-m10</code><a class="copiable-link" href="#index-m10"> ¶</a></span> +</dt> <dd> +<p>Generate code for a PDP-11/10. Implies -msoft-float -mno-split. </p> </dd> <dt> + <span><code class="code">-mint16</code><a class="copiable-link" href="#index-mint16"> ¶</a></span> +</dt> <dt><code class="code">-mno-int32</code></dt> <dd> +<p>Use 16-bit <code class="code">int</code>. This is the default. </p> </dd> <dt> + <span><code class="code">-mint32</code><a class="copiable-link" href="#index-mint32-1"> ¶</a></span> +</dt> <dt><code class="code">-mno-int16</code></dt> <dd> +<p>Use 32-bit <code class="code">int</code>. </p> </dd> <dt> +<span><code class="code">-msplit</code><a class="copiable-link" href="#index-msplit"> ¶</a></span> +</dt> <dd> +<p>Target has split instruction and data space. Implies -m45. </p> </dd> <dt> +<span><code class="code">-munix-asm</code><a class="copiable-link" href="#index-munix-asm"> ¶</a></span> +</dt> <dd> +<p>Use Unix assembler syntax. </p> </dd> <dt> +<span><code class="code">-mdec-asm</code><a class="copiable-link" href="#index-mdec-asm"> ¶</a></span> +</dt> <dd> +<p>Use DEC assembler syntax. </p> </dd> <dt> +<span><code class="code">-mgnu-asm</code><a class="copiable-link" href="#index-mgnu-asm"> ¶</a></span> +</dt> <dd> +<p>Use GNU assembler syntax. This is the default. </p> </dd> <dt> +<span><code class="code">-mlra</code><a class="copiable-link" href="#index-mlra-2"> ¶</a></span> +</dt> <dd><p>Use the new LRA register allocator. By default, the old “reload” allocator is used. </p></dd> </dl> </div> <div class="nav-panel"> <p> Next: <a href="powerpc-options">PowerPC Options</a>, Previous: <a href="openrisc-options">OpenRISC Options</a>, Up: <a href="submodel-options">Machine-Dependent Options</a> [<a href="index#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="indices" title="Index" rel="index">Index</a>]</p> </div><div class="_attribution"> + <p class="_attribution-p"> + © Free Software Foundation<br>Licensed under the GNU Free Documentation License, Version 1.3.<br> + <a href="https://gcc.gnu.org/onlinedocs/gcc-13.1.0/gcc/PDP-11-Options.html" class="_attribution-link">https://gcc.gnu.org/onlinedocs/gcc-13.1.0/gcc/PDP-11-Options.html</a> + </p> +</div> |