diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/function.c b/gcc/function.c index 0c4d712..5a169c6 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -2857,6 +2857,9 @@ gen_mem_addressof (reg, decl) rtx r = gen_rtx_ADDRESSOF (Pmode, gen_reg_rtx (GET_MODE (reg)), REGNO (reg), decl); + /* Calculate this before we start messing with decl's RTL. */ + HOST_WIDE_INT set = get_alias_set (decl); + /* If the original REG was a user-variable, then so is the REG whose address is being taken. Likewise for unchanging. */ REG_USERVAR_P (XEXP (r, 0)) = REG_USERVAR_P (reg); @@ -2874,7 +2877,7 @@ gen_mem_addressof (reg, decl) PUT_MODE (reg, decl_mode); MEM_VOLATILE_P (reg) = TREE_SIDE_EFFECTS (decl); MEM_SET_IN_STRUCT_P (reg, AGGREGATE_TYPE_P (type)); - set_mem_alias_set (reg, get_alias_set (decl)); + set_mem_alias_set (reg, set); if (TREE_USED (decl) || DECL_INITIAL (decl) != 0) fixup_var_refs (reg, GET_MODE (reg), TREE_UNSIGNED (type), 0); |