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<h4 class="subsection">3.17.25 MCore Options</h4>
<p><a name="index-MCore-options-1622"></a>
These are the ‘<samp><span class="samp">-m</span></samp>’ options defined for the Motorola M*Core
processors.
<dl>
<dt><code>-mhardlit</code><dt><code>-mno-hardlit</code><dd><a name="index-mhardlit-1623"></a><a name="index-mno_002dhardlit-1624"></a>Inline constants into the code stream if it can be done in two
instructions or less.
<br><dt><code>-mdiv</code><dt><code>-mno-div</code><dd><a name="index-mdiv-1625"></a><a name="index-mno_002ddiv-1626"></a>Use the divide instruction. (Enabled by default).
<br><dt><code>-mrelax-immediate</code><dt><code>-mno-relax-immediate</code><dd><a name="index-mrelax_002dimmediate-1627"></a><a name="index-mno_002drelax_002dimmediate-1628"></a>Allow arbitrary sized immediates in bit operations.
<br><dt><code>-mwide-bitfields</code><dt><code>-mno-wide-bitfields</code><dd><a name="index-mwide_002dbitfields-1629"></a><a name="index-mno_002dwide_002dbitfields-1630"></a>Always treat bit-fields as int-sized.
<br><dt><code>-m4byte-functions</code><dt><code>-mno-4byte-functions</code><dd><a name="index-m4byte_002dfunctions-1631"></a><a name="index-mno_002d4byte_002dfunctions-1632"></a>Force all functions to be aligned to a 4-byte boundary.
<br><dt><code>-mcallgraph-data</code><dt><code>-mno-callgraph-data</code><dd><a name="index-mcallgraph_002ddata-1633"></a><a name="index-mno_002dcallgraph_002ddata-1634"></a>Emit callgraph information.
<br><dt><code>-mslow-bytes</code><dt><code>-mno-slow-bytes</code><dd><a name="index-mslow_002dbytes-1635"></a><a name="index-mno_002dslow_002dbytes-1636"></a>Prefer word access when reading byte quantities.
<br><dt><code>-mlittle-endian</code><dt><code>-mbig-endian</code><dd><a name="index-mlittle_002dendian-1637"></a><a name="index-mbig_002dendian-1638"></a>Generate code for a little-endian target.
<br><dt><code>-m210</code><dt><code>-m340</code><dd><a name="index-m210-1639"></a><a name="index-m340-1640"></a>Generate code for the 210 processor.
<br><dt><code>-mno-lsim</code><dd><a name="index-mno_002dlsim-1641"></a>Assume that runtime support has been provided and so omit the
simulator library (<samp><span class="file">libsim.a)</span></samp> from the linker command line.
<br><dt><code>-mstack-increment=</code><var>size</var><dd><a name="index-mstack_002dincrement-1642"></a>Set the maximum amount for a single stack increment operation. Large
values can increase the speed of programs that contain functions
that need a large amount of stack space, but they can also trigger a
segmentation fault if the stack is extended too much. The default
value is 0x1000.
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