From 146ec50fd5c73a6712d739697cd33567b42c2d3f Mon Sep 17 00:00:00 2001
From: Jason Merrill <jason@redhat.com>
Date: Fri, 16 Sep 2016 15:20:44 -0400
Subject: 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
---
 gcc/calls.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'gcc/calls.c')

diff --git a/gcc/calls.c b/gcc/calls.c
index 4ad3e34..86369e9 100644
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -1805,7 +1805,7 @@ compute_argument_addresses (struct arg_data *args, rtx argblock, int num_actuals
 	  else if (CONST_INT_P (offset))
 	    {
 	      align = INTVAL (offset) * BITS_PER_UNIT | boundary;
-	      align = align & -align;
+	      align = least_bit_hwi (align);
 	    }
 	  set_mem_align (args[i].stack, align);
 
@@ -5026,7 +5026,7 @@ store_one_arg (struct arg_data *arg, rtx argblock, int flags,
 	  int pad = used - size;
 	  if (pad)
 	    {
-	      unsigned int pad_align = (pad & -pad) * BITS_PER_UNIT;
+	      unsigned int pad_align = least_bit_hwi (pad) * BITS_PER_UNIT;
 	      parm_align = MIN (parm_align, pad_align);
 	    }
 	}
@@ -5086,7 +5086,7 @@ store_one_arg (struct arg_data *arg, rtx argblock, int flags,
 	    parm_align = BITS_PER_UNIT;
 	  else if (excess)
 	    {
-	      unsigned int excess_align = (excess & -excess) * BITS_PER_UNIT;
+	      unsigned int excess_align = least_bit_hwi (excess) * BITS_PER_UNIT;
 	      parm_align = MIN (parm_align, excess_align);
 	    }
 	}
-- 
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