diff options
Diffstat (limited to 'gcc/alias.c')
| -rw-r--r-- | gcc/alias.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/alias.c b/gcc/alias.c index 2e6a2b0..68a8272 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -1957,6 +1957,14 @@ nonoverlapping_memrefs_p (x, y) moffsetx = adjust_offset_for_component_ref (exprx, moffsetx); exprx = t; } + else if (TREE_CODE (exprx) == INDIRECT_REF) + { + exprx = TREE_OPERAND (exprx, 0); + if (flag_argument_noalias < 2 + || TREE_CODE (exprx) != PARM_DECL) + return 0; + } + moffsety = MEM_OFFSET (y); if (TREE_CODE (expry) == COMPONENT_REF) { @@ -1966,6 +1974,13 @@ nonoverlapping_memrefs_p (x, y) moffsety = adjust_offset_for_component_ref (expry, moffsety); expry = t; } + else if (TREE_CODE (expry) == INDIRECT_REF) + { + expry = TREE_OPERAND (expry, 0); + if (flag_argument_noalias < 2 + || TREE_CODE (expry) != PARM_DECL) + return 0; + } if (! DECL_P (exprx) || ! DECL_P (expry)) return 0; |