* fold-const.c (fold): Don't transform (a0 op compound(a1,a2))
to (compound(a1,a0 op a2)) if a0 or a1 have side effects.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@58822
138bc75d-0d04-0410-961f-
82ee72b054a4
+2002-11-05 Andrew Haley <aph@redhat.com>
+
+ * fold-const.c (fold): Don't transform (a0 op compound(a1,a2))
+ to (compound(a1,a0 op a2)) if a0 or a1 have side effects.
+
2002-11-05 Richard Sandiford <rsandifo@redhat.com>
* config/mips/mips.h (CANNOT_CHANGE_MODE_CLASS): Move comment to...
else if (TREE_CODE_CLASS (code) == '2'
|| TREE_CODE_CLASS (code) == '<')
{
- if (TREE_CODE (arg1) == COMPOUND_EXPR)
+ if (TREE_CODE (arg1) == COMPOUND_EXPR
+ && ! TREE_SIDE_EFFECTS (TREE_OPERAND (arg1, 0))
+ && ! TREE_SIDE_EFFECTS (arg0))
return build (COMPOUND_EXPR, type, TREE_OPERAND (arg1, 0),
fold (build (code, type,
arg0, TREE_OPERAND (arg1, 1))));