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- <a name="absolute_002dliterals"></a>
- <h4 class="subsubsection">9.55.5.7 absolute-literals</h4>
- <a name="index-absolute_002dliterals-directive"></a>
- <a name="index-no_002dabsolute_002dliterals-directive"></a>
-
- <p>The <code>absolute-literals</code> and <code>no-absolute-literals</code>
- directives control the absolute vs. PC-relative mode for <code>L32R</code>
- instructions. These are relevant only for Xtensa configurations that
- include the absolute addressing option for <code>L32R</code> instructions.
- </p>
- <div class="smallexample">
- <pre class="smallexample"> .begin [no-]absolute-literals
- .end [no-]absolute-literals
- </pre></div>
-
- <p>These directives do not change the <code>L32R</code> mode—they only cause
- the assembler to emit the appropriate kind of relocation for <code>L32R</code>
- instructions and to place the literal values in the appropriate section.
- To change the <code>L32R</code> mode, the program must write the
- <code>LITBASE</code> special register. It is the programmer’s responsibility
- to keep track of the mode and indicate to the assembler which mode is
- used in each region of code.
- </p>
- <p>If the Xtensa configuration includes the absolute <code>L32R</code> addressing
- option, the default is to assume absolute <code>L32R</code> addressing unless
- the ‘<samp>--no-absolute-literals</samp>’ command-line option is specified.
- Otherwise, the default is to assume PC-relative <code>L32R</code> addressing.
- The <code>absolute-literals</code> directive can then be used to override
- the default determined by the command-line options.
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