rtl.def (ASHIFT, [...]): Recomment.

	* rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
	Recomment.
	* tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.

From-SVN: r33060

gcc/ChangeLog

-Mon Apr 10 07:21:13 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
-
-	* sbitmap.h: Whitespace changes and use upper-case macro args.
-	(struct simple_bitmap_def): All sizes now unsigned.
-	(EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
-	* sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
-	(sbitmap_vector_alloc): Parms and local vars now unsigned.
-	(sbitmap_zero): Cast bzero arg to PTR.
-	(sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
-	(sbitmap_union_of_diffs): Change loop index to unsigned and rework
-	loop to make structure clearer.
-	(sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
-	(sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
-	(sbitmap_a_and_b_or_c): Likewise.
-	(sbitmap_intersection_of_succs): Minor cleanups.
-	(sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
-	(sbitmap_union_of_preds): Likewise.
-	(sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
-	(debug_sbitmap): New function.
-	
-	* c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
-	* c-typeck.c (convert_for_assignment): Likewise.
-
-	* expmed.c (init_expmed): Don't free objects we make.
-	* emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
-
-	* expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
-	(expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
-
-	* gcse.c (expr_hash_table_size): Now unsigned.
-	(compute_ae_gen): Local variable `i' now unsigned.
-	(compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
-	(compute_transout, hoist_code): Likewise.
-	(compute_local_properties): Likewise, also hash_table_size.
-	(alloc_expr_hash_table): N_INSNS now unsigned.
-	(delete_null_pointer_checks): Mark arg F as unused.
+2000-04-10  Nathan Sidwell  <nathan@codesourcery.com>
 
-	* regrename.c: Minor cleanups, including chang some variables
-	to unsigned int.
-
-2000-04-10  Neil Booth  <NeilB@earthling.net>
-
-	* cpplex.c (skip_block_comment): Use pointer arithmetic rather
-	than GETC ().
-	* cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
+	* rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
+	Recomment.
+	* tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
 
 2000-04-10  Martin v. Lwis  <loewis@informatik.hu-berlin.de>
 
@@ -23607,5 +23567,3 @@ Wed May 19 00:34:40 1999  Jeffrey A Law  (law@cygnus.com)
 	gcc-2.95 branch.
 
 See ChangeLog.1 for earlier changes.
-
-	
\ No newline at end of file

gcc/rtl.def

@@ -688,15 +688,11 @@ DEF_RTL_EXPR(NOT, "not", "e", '1')
 /* Operand:
      0:  value to be shifted.
      1:  number of bits.  */
-DEF_RTL_EXPR(ASHIFT, "ashift", "ee", '2')
-DEF_RTL_EXPR(ROTATE, "rotate", "ee", '2')
-
-/* Right shift operations, for machines where these are not the same
-   as left shifting with a negative argument.  */
-
-DEF_RTL_EXPR(ASHIFTRT, "ashiftrt", "ee", '2')
-DEF_RTL_EXPR(LSHIFTRT, "lshiftrt", "ee", '2')
-DEF_RTL_EXPR(ROTATERT, "rotatert", "ee", '2')
+DEF_RTL_EXPR(ASHIFT, "ashift", "ee", '2') /* shift left */
+DEF_RTL_EXPR(ROTATE, "rotate", "ee", '2') /* rotate left */
+DEF_RTL_EXPR(ASHIFTRT, "ashiftrt", "ee", '2') /* arithmetic shift right */
+DEF_RTL_EXPR(LSHIFTRT, "lshiftrt", "ee", '2') /* logical shift right */
+DEF_RTL_EXPR(ROTATERT, "rotatert", "ee", '2') /* rotate right */
 
 /* Minimum and maximum values of two operands.  We need both signed and
    unsigned forms.  (We cannot use MIN for SMIN because it conflicts

gcc/tree.def

@@ -602,8 +602,8 @@ DEFTREECODE (ABS_EXPR, "abs_expr", '1', 1)
 DEFTREECODE (FFS_EXPR, "ffs_expr", '1', 1)
 
 /* Shift operations for shift and rotate.
-   Shift is supposed to mean logical shift if done on an
-   unsigned type, arithmetic shift on a signed type.
+   Shift means logical shift if done on an
+   unsigned type, arithmetic shift if done on a signed type.
    The second operand is the number of bits to
    shift by; it need not be the same type as the first operand and result.  */
 DEFTREECODE (LSHIFT_EXPR, "lshift_expr", '2', 2)