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Add a little whitespace 

From-SVN: r111121
This commit is contained in:
Daniel Berlin 2006-02-15 22:47:38 +00:00
parent 3c0b6c4300
commit 943261d716
1 changed files with 5 additions and 0 deletions
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5
gcc/tree-ssa-operands.c
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@ -1651,6 +1651,7 @@ access_can_touch_variable (tree ref, tree alias, HOST_WIDE_INT offset,
terms of SFT_PARENT_VAR, that is where it is.
However, the access through the foo pointer will be at offset 0.
*/
if (size != -1
&& TREE_CODE (alias) == STRUCT_FIELD_TAG
&& base
@ -1666,6 +1667,7 @@ access_can_touch_variable (tree ref, tree alias, HOST_WIDE_INT offset,
#endif
return false;
}
/* Without strict aliasing, it is impossible for a component access
through a pointer to touch a random variable, unless that
variable *is* a structure or a pointer.
@ -1693,6 +1695,7 @@ access_can_touch_variable (tree ref, tree alias, HOST_WIDE_INT offset,
(taken from 20000623-1.c)
*/
else if (ref
&& flag_strict_aliasing
&& TREE_CODE (ref) != INDIRECT_REF
@ -1710,9 +1713,11 @@ access_can_touch_variable (tree ref, tree alias, HOST_WIDE_INT offset,
#endif
return false;
}
/* If the offset of the access is greater than the size of one of
the possible aliases, it can't be touching that alias, because it
would be past the end of the structure. */
else if (ref
&& flag_strict_aliasing
&& TREE_CODE (ref) != INDIRECT_REF