builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.

	* builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
	(expand_builtin_apply): Pass alignment to emit_block_move in bits.
	(expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
	(expand_builtin_memset): Likewise, but to clear_storage.
	* calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
	(restore_fixed_argument_area): Likewise.
	(store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
	(load_register_parameters): Likewise, to emit_group_load.
	(expand_call): Likewise, to emit_group_store and emit_block_move.
	(emit_library_call_value_1): Likewise, to emit_block_move.
	(store_one_arg): Likewise, and to emit_push_insn.
	* expmed.c (extract_bit_field): Alignment is in bits, not bytes.
	(extract_fixed_bit_field, extract_split_bit_field): Likewise.
	* expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
	(emit_block_move, emit_group_load, emit_group_store): Likewise.
	(clear_by_pieces, clear_storage, emit_push_insn): Likewise.
	(expand_assigment, store_expr, store_constructor_field): Likewise.
	(expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
	(store_constructor, store_field, get_inner_reference): Likewise.
	Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
	(expand_expr, case COMPONENT_REF): Likewise.
	(copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
	and positions; reindent code.
	* expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
	* function.c (purge_addressof_1): Pass bit align to store_bit_field.
	(assign_parms): Likewise to emit_group_store.
	* optbas.c (prepare_cmp_insn): Alignment is in bits.
	(emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
	* stmt.c (expand_value_return): Pass align in bits to emit_group_load.
	(expand_return): Likewise to {extract,store}_bit_field.
	* stor-layout.c (get_mode_alignment): Minor cleanup.
	* config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
	* config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
	* ch/expr.c (chill_expand_expr): Pass bit alignment to emit_block_move.

From-SVN: r32827

1 files changed, 11 insertions, 7 deletions

diff --git a/gcc/optabs.c b/gcc/optabs.c
index b92f1e1858d..61b1547bb27 100644
--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -2916,6 +2916,7 @@ prepare_cmp_insn (px, py, pcomparison, size, pmode, punsignedp, align,
   rtx x = *px, y = *py;
   int unsignedp = *punsignedp;
   enum mode_class class;
+  rtx opalign ATTRIBUTE_UNUSED = GEN_INT (align / BITS_PER_UNIT);;
 
   class = GET_MODE_CLASS (mode);
 
@@ -2932,10 +2933,12 @@ prepare_cmp_insn (px, py, pcomparison, size, pmode, punsignedp, align,
 
   /* If we are inside an appropriately-short loop and one operand is an
      expensive constant, force it into a register.  */
-  if (CONSTANT_P (x) && preserve_subexpressions_p () && rtx_cost (x, COMPARE) > 2)
+  if (CONSTANT_P (x) && preserve_subexpressions_p ()
+      && rtx_cost (x, COMPARE) > 2)
     x = force_reg (mode, x);
 
-  if (CONSTANT_P (y) && preserve_subexpressions_p () && rtx_cost (y, COMPARE) > 2)
+  if (CONSTANT_P (y) && preserve_subexpressions_p ()
+      && rtx_cost (y, COMPARE) > 2)
     y = force_reg (mode, y);
 
 #ifdef HAVE_cc0
@@ -2970,7 +2973,7 @@ prepare_cmp_insn (px, py, pcomparison, size, pmode, punsignedp, align,
 	{
 	  result_mode = insn_data[(int) CODE_FOR_cmpstrqi].operand[0].mode;
 	  result = gen_reg_rtx (result_mode);
-	  emit_insn (gen_cmpstrqi (result, x, y, size, GEN_INT (align)));
+	  emit_insn (gen_cmpstrqi (result, x, y, size, opalign));
 	}
       else
 #endif
@@ -2981,7 +2984,7 @@ prepare_cmp_insn (px, py, pcomparison, size, pmode, punsignedp, align,
 	{
 	  result_mode = insn_data[(int) CODE_FOR_cmpstrhi].operand[0].mode;
 	  result = gen_reg_rtx (result_mode);
-	  emit_insn (gen_cmpstrhi (result, x, y, size, GEN_INT (align)));
+	  emit_insn (gen_cmpstrhi (result, x, y, size, opalign));
 	}
       else
 #endif
@@ -2993,7 +2996,7 @@ prepare_cmp_insn (px, py, pcomparison, size, pmode, punsignedp, align,
 	  size = protect_from_queue (size, 0);
 	  emit_insn (gen_cmpstrsi (result, x, y,
 				   convert_to_mode (SImode, size, 1),
-				   GEN_INT (align)));
+				   opalign));
 	}
       else
 #endif
@@ -3190,7 +3193,7 @@ emit_cmp_and_jump_insns (x, y, comparison, size, mode, unsignedp, align, label)
      rtx size;
      enum machine_mode mode;
      int unsignedp;
-     int align;
+     unsigned int align;
      rtx label;
 {
   rtx op0;
@@ -3227,6 +3230,7 @@ emit_cmp_and_jump_insns (x, y, comparison, size, mode, unsignedp, align, label)
 }
 
 /* Like emit_cmp_and_jump_insns, but generate only the comparison.  */
+
 void
 emit_cmp_insn (x, y, comparison, size, mode, unsignedp, align)
      rtx x, y;
@@ -3234,7 +3238,7 @@ emit_cmp_insn (x, y, comparison, size, mode, unsignedp, align)
      rtx size;
      enum machine_mode mode;
      int unsignedp;
-     int align;
+     unsigned int align;
 {
   emit_cmp_and_jump_insns (x, y, comparison, size, mode, unsignedp, align, 0);
 }