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  67. <a name="GIMPLE_005fCOND-1"></a>
  68. <h4 class="subsection">12.8.6 <code>GIMPLE_COND</code></h4>
  69. <a name="index-GIMPLE_005fCOND"></a>
  70. <dl>
  71. <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>
  72. <dd><p>Build a <code>GIMPLE_COND</code> statement. <code>A</code> <code>GIMPLE_COND</code> statement compares
  73. <code>LHS</code> and <code>RHS</code> and if the condition in <code>PRED_CODE</code> is true, jump to
  74. the label in <code>t_label</code>, otherwise jump to the label in <code>f_label</code>.
  75. <code>PRED_CODE</code> are relational operator tree codes like <code>EQ_EXPR</code>,
  76. <code>LT_EXPR</code>, <code>LE_EXPR</code>, <code>NE_EXPR</code>, etc.
  77. </p></dd></dl>
  78. <dl>
  79. <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>
  80. <dd><p>Build a <code>GIMPLE_COND</code> statement from the conditional expression
  81. tree <code>COND</code>. <code>T_LABEL</code> and <code>F_LABEL</code> are as in <code>gimple_build_cond</code>.
  82. </p></dd></dl>
  83. <dl>
  84. <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>
  85. <dd><p>Return the code of the predicate computed by conditional
  86. statement <code>G</code>.
  87. </p></dd></dl>
  88. <dl>
  89. <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>
  90. <dd><p>Set <code>CODE</code> to be the predicate code for the conditional statement
  91. <code>G</code>.
  92. </p></dd></dl>
  93. <dl>
  94. <dt><a name="index-gimple_005fcond_005flhs"></a>GIMPLE function: <em>tree</em> <strong>gimple_cond_lhs</strong> <em>(gimple g)</em></dt>
  95. <dd><p>Return the <code>LHS</code> of the predicate computed by conditional statement
  96. <code>G</code>.
  97. </p></dd></dl>
  98. <dl>
  99. <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>
  100. <dd><p>Set <code>LHS</code> to be the <code>LHS</code> operand of the predicate computed by
  101. conditional statement <code>G</code>.
  102. </p></dd></dl>
  103. <dl>
  104. <dt><a name="index-gimple_005fcond_005frhs"></a>GIMPLE function: <em>tree</em> <strong>gimple_cond_rhs</strong> <em>(gimple g)</em></dt>
  105. <dd><p>Return the <code>RHS</code> operand of the predicate computed by conditional
  106. <code>G</code>.
  107. </p></dd></dl>
  108. <dl>
  109. <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>
  110. <dd><p>Set <code>RHS</code> to be the <code>RHS</code> operand of the predicate computed by
  111. conditional statement <code>G</code>.
  112. </p></dd></dl>
  113. <dl>
  114. <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>
  115. <dd><p>Return the label used by conditional statement <code>G</code> when its
  116. predicate evaluates to true.
  117. </p></dd></dl>
  118. <dl>
  119. <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>
  120. <dd><p>Set <code>LABEL</code> to be the label used by conditional statement <code>G</code> when
  121. its predicate evaluates to true.
  122. </p></dd></dl>
  123. <dl>
  124. <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>
  125. <dd><p>Set <code>LABEL</code> to be the label used by conditional statement <code>G</code> when
  126. its predicate evaluates to false.
  127. </p></dd></dl>
  128. <dl>
  129. <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>
  130. <dd><p>Return the label used by conditional statement <code>G</code> when its
  131. predicate evaluates to false.
  132. </p></dd></dl>
  133. <dl>
  134. <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>
  135. <dd><p>Set the conditional <code>COND_STMT</code> to be of the form &rsquo;if (1 == 0)&rsquo;.
  136. </p></dd></dl>
  137. <dl>
  138. <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>
  139. <dd><p>Set the conditional <code>COND_STMT</code> to be of the form &rsquo;if (1 == 1)&rsquo;.
  140. </p></dd></dl>
  141. <hr>
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