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 <a name="GIMPLE_005fASSIGN"></a>
 <div class="header">
 <p>
 Next: <a href="GIMPLE_005fBIND.html#GIMPLE_005fBIND" accesskey="n" rel="next"><code>GIMPLE_BIND</code></a>, Previous: <a href="GIMPLE_005fASM.html#GIMPLE_005fASM" accesskey="p" rel="prev"><code>GIMPLE_ASM</code></a>, Up: <a href="Tuple-specific-accessors.html#Tuple-specific-accessors" accesskey="u" rel="up">Tuple specific accessors</a> &nbsp; [<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>
 </div>
 <hr>
 <a name="GIMPLE_005fASSIGN-1"></a>
 <h4 class="subsection">11.7.2 <code>GIMPLE_ASSIGN</code></h4>
 <a name="index-GIMPLE_005fASSIGN"></a>

 <dl>
 <dt><a name="index-gimple_005fbuild_005fassign"></a>GIMPLE function: <em>gimple</em> <strong>gimple_build_assign</strong> <em>(tree lhs, tree rhs)</em></dt>
 <dd><p>Build a <code>GIMPLE_ASSIGN</code> statement.  The left-hand side is an lvalue
 passed in lhs.  The right-hand side can be either a unary or
 binary tree expression.  The expression tree rhs will be
 flattened and its operands assigned to the corresponding operand
 slots in the new statement.  This function is useful when you
 already have a tree expression that you want to convert into a
 tuple.  However, try to avoid building expression trees for the
 sole purpose of calling this function.  If you already have the
 operands in separate trees, it is better to use
 <code>gimple_build_assign_with_ops</code>.
 </p></dd></dl>


 <dl>
 <dt><a name="index-gimplify_005fassign"></a>GIMPLE function: <em>gimple</em> <strong>gimplify_assign</strong> <em>(tree dst, tree src, gimple_seq *seq_p)</em></dt>
 <dd><p>Build a new <code>GIMPLE_ASSIGN</code> tuple and append it to the end of
 <code>*SEQ_P</code>.
 </p></dd></dl>

 <p><code>DST</code>/<code>SRC</code> are the destination and source respectively.  You can
 pass ungimplified trees in <code>DST</code> or <code>SRC</code>, in which
 case they will be converted to a gimple operand if necessary.
 </p>
 <p>This function returns the newly created <code>GIMPLE_ASSIGN</code> tuple.
 </p>
 <dl>
 <dt><a name="index-gimple_005fbuild_005fassign_005fwith_005fops"></a>GIMPLE function: <em>gimple</em> <strong>gimple_build_assign_with_ops</strong> <em>(enum tree_code subcode, tree lhs, tree op1, tree op2)</em></dt>
 <dd><p>This function is similar to <code>gimple_build_assign</code>, but is used to
 build a <code>GIMPLE_ASSIGN</code> statement when the operands of the
 right-hand side of the assignment are already split into
 different operands.
 </p>
 <p>The left-hand side is an lvalue passed in lhs.  Subcode is the
 <code>tree_code</code> for the right-hand side of the assignment.  Op1 and op2
 are the operands.  If op2 is null, subcode must be a <code>tree_code</code>
 for a unary expression.
 </p></dd></dl>

 <dl>
 <dt><a name="index-gimple_005fassign_005frhs_005fcode"></a>GIMPLE function: <em>enum tree_code</em> <strong>gimple_assign_rhs_code</strong> <em>(gimple g)</em></dt>
 <dd><p>Return the code of the expression computed on the <code>RHS</code> of
 assignment statement <code>G</code>.
 </p></dd></dl>


 <dl>
 <dt><a name="index-gimple_005fassign_005frhs_005fclass"></a>GIMPLE function: <em>enum gimple_rhs_class</em> <strong>gimple_assign_rhs_class</strong> <em>(gimple g)</em></dt>
 <dd><p>Return the gimple rhs class of the code for the expression
 computed on the rhs of assignment statement <code>G</code>.  This will never
 return <code>GIMPLE_INVALID_RHS</code>.
 </p></dd></dl>

 <dl>
 <dt><a name="index-gimple_005fassign_005flhs"></a>GIMPLE function: <em>tree</em> <strong>gimple_assign_lhs</strong> <em>(gimple g)</em></dt>
 <dd><p>Return the <code>LHS</code> of assignment statement <code>G</code>.
 </p></dd></dl>

 <dl>
 <dt><a name="index-gimple_005fassign_005flhs_005fptr"></a>GIMPLE function: <em>tree *</em> <strong>gimple_assign_lhs_ptr</strong> <em>(gimple g)</em></dt>
 <dd><p>Return a pointer to the <code>LHS</code> of assignment statement <code>G</code>.
 </p></dd></dl>

 <dl>
 <dt><a name="index-gimple_005fassign_005frhs1"></a>GIMPLE function: <em>tree</em> <strong>gimple_assign_rhs1</strong> <em>(gimple g)</em></dt>
 <dd><p>Return the first operand on the <code>RHS</code> of assignment statement <code>G</code>.
 </p></dd></dl>

 <dl>
 <dt><a name="index-gimple_005fassign_005frhs1_005fptr"></a>GIMPLE function: <em>tree *</em> <strong>gimple_assign_rhs1_ptr</strong> <em>(gimple g)</em></dt>
 <dd><p>Return the address of the first operand on the <code>RHS</code> of assignment
 statement <code>G</code>.
 </p></dd></dl>

 <dl>
 <dt><a name="index-gimple_005fassign_005frhs2"></a>GIMPLE function: <em>tree</em> <strong>gimple_assign_rhs2</strong> <em>(gimple g)</em></dt>
 <dd><p>Return the second operand on the <code>RHS</code> of assignment statement <code>G</code>.
 </p></dd></dl>

 <dl>
 <dt><a name="index-gimple_005fassign_005frhs2_005fptr"></a>GIMPLE function: <em>tree *</em> <strong>gimple_assign_rhs2_ptr</strong> <em>(gimple g)</em></dt>
 <dd><p>Return the address of the second operand on the <code>RHS</code> of assignment
 statement <code>G</code>.
 </p></dd></dl>

 <dl>
 <dt><a name="index-gimple_005fassign_005frhs3"></a>GIMPLE function: <em>tree</em> <strong>gimple_assign_rhs3</strong> <em>(gimple g)</em></dt>
 <dd><p>Return the third operand on the <code>RHS</code> of assignment statement <code>G</code>.
 </p></dd></dl>

 <dl>
 <dt><a name="index-gimple_005fassign_005frhs3_005fptr"></a>GIMPLE function: <em>tree *</em> <strong>gimple_assign_rhs3_ptr</strong> <em>(gimple g)</em></dt>
 <dd><p>Return the address of the third operand on the <code>RHS</code> of assignment
 statement <code>G</code>.
 </p></dd></dl>

 <dl>
 <dt><a name="index-gimple_005fassign_005fset_005flhs"></a>GIMPLE function: <em>void</em> <strong>gimple_assign_set_lhs</strong> <em>(gimple g, tree lhs)</em></dt>
 <dd><p>Set <code>LHS</code> to be the <code>LHS</code> operand of assignment statement <code>G</code>.
 </p></dd></dl>

 <dl>
 <dt><a name="index-gimple_005fassign_005fset_005frhs1"></a>GIMPLE function: <em>void</em> <strong>gimple_assign_set_rhs1</strong> <em>(gimple g, tree rhs)</em></dt>
 <dd><p>Set <code>RHS</code> to be the first operand on the <code>RHS</code> of assignment
 statement <code>G</code>.
 </p></dd></dl>

 <dl>
 <dt><a name="index-gimple_005fassign_005fset_005frhs2"></a>GIMPLE function: <em>void</em> <strong>gimple_assign_set_rhs2</strong> <em>(gimple g, tree rhs)</em></dt>
 <dd><p>Set <code>RHS</code> to be the second operand on the <code>RHS</code> of assignment
 statement <code>G</code>.
 </p></dd></dl>

 <dl>
 <dt><a name="index-gimple_005fassign_005fset_005frhs3"></a>GIMPLE function: <em>void</em> <strong>gimple_assign_set_rhs3</strong> <em>(gimple g, tree rhs)</em></dt>
 <dd><p>Set <code>RHS</code> to be the third operand on the <code>RHS</code> of assignment
 statement <code>G</code>.
 </p></dd></dl>

 <dl>
 <dt><a name="index-gimple_005fassign_005fcast_005fp-1"></a>GIMPLE function: <em>bool</em> <strong>gimple_assign_cast_p</strong> <em>(gimple s)</em></dt>
 <dd><p>Return true if <code>S</code> is a type-cast assignment.
 </p></dd></dl>


 <hr>
 <div class="header">
 <p>
 Next: <a href="GIMPLE_005fBIND.html#GIMPLE_005fBIND" accesskey="n" rel="next"><code>GIMPLE_BIND</code></a>, Previous: <a href="GIMPLE_005fASM.html#GIMPLE_005fASM" accesskey="p" rel="prev"><code>GIMPLE_ASM</code></a>, Up: <a href="Tuple-specific-accessors.html#Tuple-specific-accessors" accesskey="u" rel="up">Tuple specific accessors</a> &nbsp; [<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_005fASSIGN"></a>
	<div class="header">
	<p>
	Next: <a href="GIMPLE_005fBIND.html#GIMPLE_005fBIND" accesskey="n" rel="next"><code>GIMPLE_BIND</code></a>, Previous: <a href="GIMPLE_005fASM.html#GIMPLE_005fASM" accesskey="p" rel="prev"><code>GIMPLE_ASM</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>
	</div>
	<hr>
	<a name="GIMPLE_005fASSIGN-1"></a>
	<h4 class="subsection">11.7.2 <code>GIMPLE_ASSIGN</code></h4>
	<a name="index-GIMPLE_005fASSIGN"></a>

	<dl>
	<dt><a name="index-gimple_005fbuild_005fassign"></a>GIMPLE function: <em>gimple</em> <strong>gimple_build_assign</strong> <em>(tree lhs, tree rhs)</em></dt>
	<dd><p>Build a <code>GIMPLE_ASSIGN</code> statement. The left-hand side is an lvalue
	passed in lhs. The right-hand side can be either a unary or
	binary tree expression. The expression tree rhs will be
	flattened and its operands assigned to the corresponding operand
	slots in the new statement. This function is useful when you
	already have a tree expression that you want to convert into a
	tuple. However, try to avoid building expression trees for the
	sole purpose of calling this function. If you already have the
	operands in separate trees, it is better to use
	<code>gimple_build_assign_with_ops</code>.
	</p></dd></dl>


	<dl>
	<dt><a name="index-gimplify_005fassign"></a>GIMPLE function: <em>gimple</em> <strong>gimplify_assign</strong> <em>(tree dst, tree src, gimple_seq *seq_p)</em></dt>
	<dd><p>Build a new <code>GIMPLE_ASSIGN</code> tuple and append it to the end of
	<code>*SEQ_P</code>.
	</p></dd></dl>

	<p><code>DST</code>/<code>SRC</code> are the destination and source respectively. You can
	pass ungimplified trees in <code>DST</code> or <code>SRC</code>, in which
	case they will be converted to a gimple operand if necessary.
	</p>
	<p>This function returns the newly created <code>GIMPLE_ASSIGN</code> tuple.
	</p>
	<dl>
	<dt><a name="index-gimple_005fbuild_005fassign_005fwith_005fops"></a>GIMPLE function: <em>gimple</em> <strong>gimple_build_assign_with_ops</strong> <em>(enum tree_code subcode, tree lhs, tree op1, tree op2)</em></dt>
	<dd><p>This function is similar to <code>gimple_build_assign</code>, but is used to
	build a <code>GIMPLE_ASSIGN</code> statement when the operands of the
	right-hand side of the assignment are already split into
	different operands.
	</p>
	<p>The left-hand side is an lvalue passed in lhs. Subcode is the
	<code>tree_code</code> for the right-hand side of the assignment. Op1 and op2
	are the operands. If op2 is null, subcode must be a <code>tree_code</code>
	for a unary expression.
	</p></dd></dl>

	<dl>
	<dt><a name="index-gimple_005fassign_005frhs_005fcode"></a>GIMPLE function: <em>enum tree_code</em> <strong>gimple_assign_rhs_code</strong> <em>(gimple g)</em></dt>
	<dd><p>Return the code of the expression computed on the <code>RHS</code> of
	assignment statement <code>G</code>.
	</p></dd></dl>


	<dl>
	<dt><a name="index-gimple_005fassign_005frhs_005fclass"></a>GIMPLE function: <em>enum gimple_rhs_class</em> <strong>gimple_assign_rhs_class</strong> <em>(gimple g)</em></dt>
	<dd><p>Return the gimple rhs class of the code for the expression
	computed on the rhs of assignment statement <code>G</code>. This will never
	return <code>GIMPLE_INVALID_RHS</code>.
	</p></dd></dl>

	<dl>
	<dt><a name="index-gimple_005fassign_005flhs"></a>GIMPLE function: <em>tree</em> <strong>gimple_assign_lhs</strong> <em>(gimple g)</em></dt>
	<dd><p>Return the <code>LHS</code> of assignment statement <code>G</code>.
	</p></dd></dl>

	<dl>
	<dt><a name="index-gimple_005fassign_005flhs_005fptr"></a>GIMPLE function: <em>tree *</em> <strong>gimple_assign_lhs_ptr</strong> <em>(gimple g)</em></dt>
	<dd><p>Return a pointer to the <code>LHS</code> of assignment statement <code>G</code>.
	</p></dd></dl>

	<dl>
	<dt><a name="index-gimple_005fassign_005frhs1"></a>GIMPLE function: <em>tree</em> <strong>gimple_assign_rhs1</strong> <em>(gimple g)</em></dt>
	<dd><p>Return the first operand on the <code>RHS</code> of assignment statement <code>G</code>.
	</p></dd></dl>

	<dl>
	<dt><a name="index-gimple_005fassign_005frhs1_005fptr"></a>GIMPLE function: <em>tree *</em> <strong>gimple_assign_rhs1_ptr</strong> <em>(gimple g)</em></dt>
	<dd><p>Return the address of the first operand on the <code>RHS</code> of assignment
	statement <code>G</code>.
	</p></dd></dl>

	<dl>
	<dt><a name="index-gimple_005fassign_005frhs2"></a>GIMPLE function: <em>tree</em> <strong>gimple_assign_rhs2</strong> <em>(gimple g)</em></dt>
	<dd><p>Return the second operand on the <code>RHS</code> of assignment statement <code>G</code>.
	</p></dd></dl>

	<dl>
	<dt><a name="index-gimple_005fassign_005frhs2_005fptr"></a>GIMPLE function: <em>tree *</em> <strong>gimple_assign_rhs2_ptr</strong> <em>(gimple g)</em></dt>
	<dd><p>Return the address of the second operand on the <code>RHS</code> of assignment
	statement <code>G</code>.
	</p></dd></dl>

	<dl>
	<dt><a name="index-gimple_005fassign_005frhs3"></a>GIMPLE function: <em>tree</em> <strong>gimple_assign_rhs3</strong> <em>(gimple g)</em></dt>
	<dd><p>Return the third operand on the <code>RHS</code> of assignment statement <code>G</code>.
	</p></dd></dl>

	<dl>
	<dt><a name="index-gimple_005fassign_005frhs3_005fptr"></a>GIMPLE function: <em>tree *</em> <strong>gimple_assign_rhs3_ptr</strong> <em>(gimple g)</em></dt>
	<dd><p>Return the address of the third operand on the <code>RHS</code> of assignment
	statement <code>G</code>.
	</p></dd></dl>

	<dl>
	<dt><a name="index-gimple_005fassign_005fset_005flhs"></a>GIMPLE function: <em>void</em> <strong>gimple_assign_set_lhs</strong> <em>(gimple g, tree lhs)</em></dt>
	<dd><p>Set <code>LHS</code> to be the <code>LHS</code> operand of assignment statement <code>G</code>.
	</p></dd></dl>

	<dl>
	<dt><a name="index-gimple_005fassign_005fset_005frhs1"></a>GIMPLE function: <em>void</em> <strong>gimple_assign_set_rhs1</strong> <em>(gimple g, tree rhs)</em></dt>
	<dd><p>Set <code>RHS</code> to be the first operand on the <code>RHS</code> of assignment
	statement <code>G</code>.
	</p></dd></dl>

	<dl>
	<dt><a name="index-gimple_005fassign_005fset_005frhs2"></a>GIMPLE function: <em>void</em> <strong>gimple_assign_set_rhs2</strong> <em>(gimple g, tree rhs)</em></dt>
	<dd><p>Set <code>RHS</code> to be the second operand on the <code>RHS</code> of assignment
	statement <code>G</code>.
	</p></dd></dl>

	<dl>
	<dt><a name="index-gimple_005fassign_005fset_005frhs3"></a>GIMPLE function: <em>void</em> <strong>gimple_assign_set_rhs3</strong> <em>(gimple g, tree rhs)</em></dt>
	<dd><p>Set <code>RHS</code> to be the third operand on the <code>RHS</code> of assignment
	statement <code>G</code>.
	</p></dd></dl>

	<dl>
	<dt><a name="index-gimple_005fassign_005fcast_005fp-1"></a>GIMPLE function: <em>bool</em> <strong>gimple_assign_cast_p</strong> <em>(gimple s)</em></dt>
	<dd><p>Return true if <code>S</code> is a type-cast assignment.
	</p></dd></dl>


	<hr>
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