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authorJason Merrill <jason@redhat.com>2016-09-16 15:20:44 -0400
committerJason Merrill <jason@gcc.gnu.org>2016-09-16 15:20:44 -0400
commit146ec50fd5c73a6712d739697cd33567b42c2d3f (patch)
tree0e81e898dacea27b3882ec8c6cf7ae31690b19d5 /gcc/alias.c
parent299910482fcd0627fe1162c1fedbcd09b5630ffe (diff)
Add inline functions for various bitwise operations.
* hwint.h (least_bit_hwi, pow2_or_zerop, pow2p_hwi, ctz_or_zero): New. * hwint.c (exact_log2): Use pow2p_hwi. (ctz_hwi, ffs_hwi): Use least_bit_hwi. * alias.c (memrefs_conflict_p): Use pow2_or_zerop. * builtins.c (get_object_alignment_2, get_object_alignment) (get_pointer_alignment, fold_builtin_atomic_always_lock_free): Use least_bit_hwi. * calls.c (compute_argument_addresses, store_one_arg): Use least_bit_hwi. * cfgexpand.c (expand_one_stack_var_at): Use least_bit_hwi. * combine.c (force_to_mode): Use least_bit_hwi. * emit-rtl.c (set_mem_attributes_minus_bitpos, adjust_address_1): Use least_bit_hwi. * expmed.c (synth_mult, expand_divmod): Use ctz_or_zero, ctz_hwi. (init_expmed_one_conv): Use pow2p_hwi. * fold-const.c (round_up_loc, round_down_loc): Use pow2_or_zerop. (fold_binary_loc): Use pow2p_hwi. * function.c (assign_parm_find_stack_rtl): Use least_bit_hwi. * gimple-fold.c (gimple_fold_builtin_memory_op): Use pow2p_hwi. * gimple-ssa-strength-reduction.c (replace_ref): Use least_bit_hwi. * hsa-gen.c (gen_hsa_addr_with_align, hsa_bitmemref_alignment): Use least_bit_hwi. * ipa-cp.c (ipcp_alignment_lattice::meet_with_1): Use least_bit_hwi. * ipa-prop.c (ipa_modify_call_arguments): Use least_bit_hwi. * omp-low.c (oacc_loop_fixed_partitions) (oacc_loop_auto_partitions): Use least_bit_hwi. * rtlanal.c (nonzero_bits1): Use ctz_or_zero. * stor-layout.c (place_field): Use least_bit_hwi. * tree-pretty-print.c (dump_generic_node): Use pow2p_hwi. * tree-sra.c (build_ref_for_offset): Use least_bit_hwi. * tree-ssa-ccp.c (ccp_finalize): Use least_bit_hwi. * tree-ssa-math-opts.c (bswap_replace): Use least_bit_hwi. * tree-ssa-strlen.c (handle_builtin_memcmp): Use pow2p_hwi. * tree-vect-data-refs.c (vect_analyze_group_access_1) (vect_grouped_store_supported, vect_grouped_load_supported) (vect_permute_load_chain, vect_shift_permute_load_chain) (vect_transform_grouped_load): Use pow2p_hwi. * tree-vect-generic.c (expand_vector_divmod): Use ctz_or_zero. * tree-vect-patterns.c (vect_recog_divmod_pattern): Use ctz_or_zero. * tree-vect-stmts.c (vectorizable_mask_load_store): Use least_bit_hwi. * tsan.c (instrument_expr): Use least_bit_hwi. * var-tracking.c (negative_power_of_two_p): Use pow2_or_zerop. From-SVN: r240194
Diffstat (limited to 'gcc/alias.c')
-rw-r--r--gcc/alias.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/alias.c b/gcc/alias.c
index f4b5a924b33..277125e01ae 100644
--- a/gcc/alias.c
+++ b/gcc/alias.c
@@ -2534,7 +2534,7 @@ memrefs_conflict_p (int xsize, rtx x, int ysize, rtx y, HOST_WIDE_INT c)
{
HOST_WIDE_INT sc = INTVAL (XEXP (x, 1));
unsigned HOST_WIDE_INT uc = sc;
- if (sc < 0 && -uc == (uc & -uc))
+ if (sc < 0 && pow2_or_zerop (-uc))
{
if (xsize > 0)
xsize = -xsize;
@@ -2549,7 +2549,7 @@ memrefs_conflict_p (int xsize, rtx x, int ysize, rtx y, HOST_WIDE_INT c)
{
HOST_WIDE_INT sc = INTVAL (XEXP (y, 1));
unsigned HOST_WIDE_INT uc = sc;
- if (sc < 0 && -uc == (uc & -uc))
+ if (sc < 0 && pow2_or_zerop (-uc))
{
if (ysize > 0)
ysize = -ysize;