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* doc/tree-ssa.texi: Document info about MODIFY_EXPR's type

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Devang Patel 2004-06-25 10:36:50 -07:00 committed by Devang Patel
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gcc/ChangeLog
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@ -1,3 +1,7 @@
2004-06-25 Devang Patel <dpatel@apple.com>
* doc/tree-ssa.texi: Document info about MODIFY_EXPR's type
2004-06-25 Paul Brook <paul@codesourcery.com>
* target-def.h (TARGET_CXX_GUARD_TYPE, TARGET_CXX_GUARD_MASK_BIT,

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gcc/doc/tree-ssa.texi
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@ -289,6 +289,8 @@ Most statements will be assignment statements, represented by
@code{MODIFY_EXPR}. A @code{CALL_EXPR} whose value is ignored can
also be a statement. No other C expressions can appear at statement level;
a reference to a volatile object is converted into a @code{MODIFY_EXPR}.
In GIMPLE form, type of @code{MODIFY_EXPR} is not meaningful. Instead, use type
of LHS or RHS.
There are also several varieties of complex statements.