diff options
Diffstat (limited to 'gcc/tree-ssa-ccp.c')
| -rw-r--r-- | gcc/tree-ssa-ccp.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c index 987130403ce..b6ccb59d241 100644 --- a/gcc/tree-ssa-ccp.c +++ b/gcc/tree-ssa-ccp.c @@ -898,24 +898,23 @@ ccp_finalize (bool nonzero_p) { bool something_changed; unsigned i; + tree name; do_dbg_cnt (); /* Derive alignment and misalignment information from partially constant pointers in the lattice or nonzero bits from partially constant integers. */ - for (i = 1; i < num_ssa_names; ++i) + FOR_EACH_SSA_NAME (i, name, cfun) { - tree name = ssa_name (i); ccp_prop_value_t *val; unsigned int tem, align; - if (!name - || (!POINTER_TYPE_P (TREE_TYPE (name)) - && (!INTEGRAL_TYPE_P (TREE_TYPE (name)) - /* Don't record nonzero bits before IPA to avoid - using too much memory. */ - || !nonzero_p))) + if (!POINTER_TYPE_P (TREE_TYPE (name)) + && (!INTEGRAL_TYPE_P (TREE_TYPE (name)) + /* Don't record nonzero bits before IPA to avoid + using too much memory. */ + || !nonzero_p)) continue; val = get_value (name); @@ -929,7 +928,7 @@ ccp_finalize (bool nonzero_p) /* Trailing mask bits specify the alignment, trailing value bits the misalignment. */ tem = val->mask.to_uhwi (); - align = (tem & -tem); + align = least_bit_hwi (tem); if (align > 1) set_ptr_info_alignment (get_ptr_info (name), align, (TREE_INT_CST_LOW (val->value) |