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<title>GNU Compiler Collection (GCC) Internals: GIMPLE_COND</title>
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<a name="GIMPLE_005fCOND"></a>
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Next: <a href="GIMPLE_005fDEBUG.html#GIMPLE_005fDEBUG" accesskey="n" rel="next"><code>GIMPLE_DEBUG</code></a>, Previous: <a href="GIMPLE_005fCATCH.html#GIMPLE_005fCATCH" accesskey="p" rel="prev"><code>GIMPLE_CATCH</code></a>, Up: <a href="Tuple-specific-accessors.html#Tuple-specific-accessors" accesskey="u" rel="up">Tuple specific accessors</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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<a name="GIMPLE_005fCOND-1"></a>
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<h4 class="subsection">11.8.6 <code>GIMPLE_COND</code></h4>
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<a name="index-GIMPLE_005fCOND"></a>
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<dl>
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<dt><a name="index-_002agimple_005fbuild_005fcond"></a>GIMPLE function: <em>gcond</em> <strong>*gimple_build_cond</strong> <em>( enum tree_code pred_code, tree lhs, tree rhs, tree t_label, tree f_label)</em></dt>
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<dd><p>Build a <code>GIMPLE_COND</code> statement. <code>A</code> <code>GIMPLE_COND</code> statement compares
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<code>LHS</code> and <code>RHS</code> and if the condition in <code>PRED_CODE</code> is true, jump to
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the label in <code>t_label</code>, otherwise jump to the label in <code>f_label</code>.
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<code>PRED_CODE</code> are relational operator tree codes like <code>EQ_EXPR</code>,
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<code>LT_EXPR</code>, <code>LE_EXPR</code>, <code>NE_EXPR</code>, etc.
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</p></dd></dl>
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<dl>
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<dt><a name="index-_002agimple_005fbuild_005fcond_005ffrom_005ftree"></a>GIMPLE function: <em>gcond</em> <strong>*gimple_build_cond_from_tree</strong> <em>(tree cond, tree t_label, tree f_label)</em></dt>
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<dd><p>Build a <code>GIMPLE_COND</code> statement from the conditional expression
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tree <code>COND</code>. <code>T_LABEL</code> and <code>F_LABEL</code> are as in <code>gimple_build_cond</code>.
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</p></dd></dl>
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<dl>
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<dt><a name="index-gimple_005fcond_005fcode"></a>GIMPLE function: <em>enum tree_code</em> <strong>gimple_cond_code</strong> <em>(gimple g)</em></dt>
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<dd><p>Return the code of the predicate computed by conditional
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statement <code>G</code>.
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</p></dd></dl>
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<dl>
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<dt><a name="index-gimple_005fcond_005fset_005fcode"></a>GIMPLE function: <em>void</em> <strong>gimple_cond_set_code</strong> <em>(gcond *g, enum tree_code code)</em></dt>
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<dd><p>Set <code>CODE</code> to be the predicate code for the conditional statement
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<code>G</code>.
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</p></dd></dl>
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<dl>
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<dt><a name="index-gimple_005fcond_005flhs"></a>GIMPLE function: <em>tree</em> <strong>gimple_cond_lhs</strong> <em>(gimple g)</em></dt>
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<dd><p>Return the <code>LHS</code> of the predicate computed by conditional statement
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<code>G</code>.
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</p></dd></dl>
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<dl>
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<dt><a name="index-gimple_005fcond_005fset_005flhs"></a>GIMPLE function: <em>void</em> <strong>gimple_cond_set_lhs</strong> <em>(gcond *g, tree lhs)</em></dt>
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<dd><p>Set <code>LHS</code> to be the <code>LHS</code> operand of the predicate computed by
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conditional statement <code>G</code>.
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</p></dd></dl>
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<dl>
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<dt><a name="index-gimple_005fcond_005frhs"></a>GIMPLE function: <em>tree</em> <strong>gimple_cond_rhs</strong> <em>(gimple g)</em></dt>
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<dd><p>Return the <code>RHS</code> operand of the predicate computed by conditional
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<code>G</code>.
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</p></dd></dl>
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<dl>
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<dt><a name="index-gimple_005fcond_005fset_005frhs"></a>GIMPLE function: <em>void</em> <strong>gimple_cond_set_rhs</strong> <em>(gcond *g, tree rhs)</em></dt>
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<dd><p>Set <code>RHS</code> to be the <code>RHS</code> operand of the predicate computed by
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conditional statement <code>G</code>.
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</p></dd></dl>
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<dl>
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<dt><a name="index-gimple_005fcond_005ftrue_005flabel"></a>GIMPLE function: <em>tree</em> <strong>gimple_cond_true_label</strong> <em>(const gcond *g)</em></dt>
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<dd><p>Return the label used by conditional statement <code>G</code> when its
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predicate evaluates to true.
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</p></dd></dl>
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<dl>
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<dt><a name="index-gimple_005fcond_005fset_005ftrue_005flabel"></a>GIMPLE function: <em>void</em> <strong>gimple_cond_set_true_label</strong> <em>(gcond *g, tree label)</em></dt>
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<dd><p>Set <code>LABEL</code> to be the label used by conditional statement <code>G</code> when
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its predicate evaluates to true.
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</p></dd></dl>
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<dl>
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<dt><a name="index-gimple_005fcond_005fset_005ffalse_005flabel"></a>GIMPLE function: <em>void</em> <strong>gimple_cond_set_false_label</strong> <em>(gcond *g, tree label)</em></dt>
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<dd><p>Set <code>LABEL</code> to be the label used by conditional statement <code>G</code> when
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its predicate evaluates to false.
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</p></dd></dl>
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<dl>
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<dt><a name="index-gimple_005fcond_005ffalse_005flabel"></a>GIMPLE function: <em>tree</em> <strong>gimple_cond_false_label</strong> <em>(const gcond *g)</em></dt>
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<dd><p>Return the label used by conditional statement <code>G</code> when its
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predicate evaluates to false.
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</p></dd></dl>
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<dl>
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<dt><a name="index-gimple_005fcond_005fmake_005ffalse"></a>GIMPLE function: <em>void</em> <strong>gimple_cond_make_false</strong> <em>(gcond *g)</em></dt>
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<dd><p>Set the conditional <code>COND_STMT</code> to be of the form ’if (1 == 0)’.
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</p></dd></dl>
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<dl>
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<dt><a name="index-gimple_005fcond_005fmake_005ftrue"></a>GIMPLE function: <em>void</em> <strong>gimple_cond_make_true</strong> <em>(gcond *g)</em></dt>
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<dd><p>Set the conditional <code>COND_STMT</code> to be of the form ’if (1 == 1)’.
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</p></dd></dl>
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<hr>
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<p>
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Next: <a href="GIMPLE_005fDEBUG.html#GIMPLE_005fDEBUG" accesskey="n" rel="next"><code>GIMPLE_DEBUG</code></a>, Previous: <a href="GIMPLE_005fCATCH.html#GIMPLE_005fCATCH" accesskey="p" rel="prev"><code>GIMPLE_CATCH</code></a>, Up: <a href="Tuple-specific-accessors.html#Tuple-specific-accessors" accesskey="u" rel="up">Tuple specific accessors</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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