diff options
Diffstat (limited to 'gcc/alias.c')
-rw-r--r-- | gcc/alias.c | 23 |
1 files changed, 1 insertions, 22 deletions
diff --git a/gcc/alias.c b/gcc/alias.c index 19a8292b454..c10b971e3df 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -1691,14 +1691,7 @@ base_alias_check (rtx x, rtx y, enum machine_mode x_mode, || (GET_CODE (y_base) == ADDRESS && GET_MODE (y_base) == Pmode)) return 0; - if (! flag_argument_noalias) - return 1; - - if (flag_argument_noalias > 1) - return 0; - - /* Weak noalias assertion (arguments are distinct, but may match globals). */ - return ! (GET_MODE (x_base) == VOIDmode && GET_MODE (y_base) == VOIDmode); + return 1; } /* Convert the address X into something we can use. This is done by returning @@ -2189,13 +2182,6 @@ nonoverlapping_memrefs_p (const_rtx x, const_rtx y) exprx = t; } } - else if (INDIRECT_REF_P (exprx)) - { - 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) @@ -2217,13 +2203,6 @@ nonoverlapping_memrefs_p (const_rtx x, const_rtx y) expry = t; } } - else if (INDIRECT_REF_P (expry)) - { - 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; |