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| author | Mark Mitchell <mark@codesourcery.com> | 1999-10-04 09:07:53 +0000 |
|---|---|---|
| committer | Mark Mitchell <mmitchel@gcc.gnu.org> | 1999-10-04 09:07:53 +0000 |
| commit | 783feeb0345506e257cc83d5dd1c8ac7b359cbf8 (patch) | |
| tree | 33b89b37e7bc341d76361e18e0cbdf068ebc0b5e /gcc | |
| parent | 37f88e3ea0d4548ac3f8c06a24b0d7e257385ae4 (diff) | |
| download | gcc-783feeb0345506e257cc83d5dd1c8ac7b359cbf8.zip gcc-783feeb0345506e257cc83d5dd1c8ac7b359cbf8.tar.gz gcc-783feeb0345506e257cc83d5dd1c8ac7b359cbf8.tar.bz2 | |
tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that are always have side-effects.
* tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
are always have side-effects.
From-SVN: r29798
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree.c | 21 |
2 files changed, 26 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3dc292b..6f3504e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com> + + * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that + are always have side-effects. + Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com) * cppinit.c (is_idchar initializer): Tighten tests for when @@ -1078,6 +1078,27 @@ make_node (code) case 'c': TREE_CONSTANT (t) = 1; break; + + case 'e': + switch (code) + { + case INIT_EXPR: + case MODIFY_EXPR: + case VA_ARG_EXPR: + case RTL_EXPR: + case PREDECREMENT_EXPR: + case PREINCREMENT_EXPR: + case POSTDECREMENT_EXPR: + case POSTINCREMENT_EXPR: + /* All of these have side-effects, no matter what their + operands are. */ + TREE_SIDE_EFFECTS (t) = 1; + break; + + default: + break; + } + break; } return t; |