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[patch] Remove rt_bit from rtunion_def
- From: Steven Bosscher <stevenb dot gcc at gmail dot com>
- To: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Sat, 22 May 2010 15:36:03 +0200
- Subject: [patch] Remove rt_bit from rtunion_def
Hi,
The rt_bit field of rtunion_def is unused. The last users were the
RANGE_INFO and RANGE_LIVE rtx definitions:
rtl.def:DEF_RTL_EXPR(RANGE_INFO, "range_info", "uuEiiiiiibbii", 'x')
rtl.def:DEF_RTL_EXPR(RANGE_LIVE, "range_live", "bi", 'x')
But these were never used in an FSF GCC and removed ~6 years ago by:
2004-09-03 Jan Hubicka <jh at suse dot cz>
* rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
The attached patch removes the unused field. I also verified that the
users of GET_RTX_FORMAT never look at it ('b' is handled not anywhere).
Bootstrapped&tested on x86_64-unknown-linux-gnu.
OK for trunk?
Ciao!
Steven
* rtl.h (union rtunion_def): Remove rt_bit member.
(XBITMAP, X0BITMAP, XCBITMAP): Remove.
* print-rtl (print_rtx): Do not print the member.
* gengtype.c (adjust_field_rtx_def): Do not handle it.
* gengenrtl.c (type_from_format): Likewise.
(accessor_from_format): Likewise.
Index: rtl.h
===================================================================
--- rtl.h (revision 159694)
+++ rtl.h (working copy)
@@ -174,7 +174,6 @@ union rtunion_def
enum machine_mode rt_type;
addr_diff_vec_flags rt_addr_diff_vec_flags;
struct cselib_val_struct *rt_cselib;
- struct bitmap_head_def *rt_bit;
tree rt_tree;
struct basic_block_def *rt_bb;
mem_attrs *rt_mem;
@@ -705,7 +704,6 @@ extern void rtl_check_failed_flag (const char *, c
#define XEXP(RTX, N) (RTL_CHECK2 (RTX, N, 'e', 'u').rt_rtx)
#define XVEC(RTX, N) (RTL_CHECK2 (RTX, N, 'E', 'V').rt_rtvec)
#define XMODE(RTX, N) (RTL_CHECK1 (RTX, N, 'M').rt_type)
-#define XBITMAP(RTX, N) (RTL_CHECK1 (RTX, N, 'b').rt_bit)
#define XTREE(RTX, N) (RTL_CHECK1 (RTX, N, 't').rt_tree)
#define XBBDEF(RTX, N) (RTL_CHECK1 (RTX, N, 'B').rt_bb)
#define XTMPL(RTX, N) (RTL_CHECK1 (RTX, N, 'T').rt_str)
@@ -722,7 +720,6 @@ extern void rtl_check_failed_flag (const char *, c
#define X0EXP(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_rtx)
#define X0VEC(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_rtvec)
#define X0MODE(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_type)
-#define X0BITMAP(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_bit)
#define X0TREE(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_tree)
#define X0BBDEF(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_bb)
#define X0ADVFLAGS(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_addr_diff_vec_flags)
@@ -740,7 +737,6 @@ extern void rtl_check_failed_flag (const char *, c
#define XCEXP(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_rtx)
#define XCVEC(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_rtvec)
#define XCMODE(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_type)
-#define XCBITMAP(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_bit)
#define XCTREE(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_tree)
#define XCBBDEF(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_bb)
#define XCCSELIB(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_cselib)
Index: print-rtl.c
===================================================================
--- print-rtl.c (revision 159694)
+++ print-rtl.c (working copy)
@@ -512,16 +512,6 @@ print_rtx (const_rtx in_rtx)
sawclose = 0;
break;
- case 'b':
-#ifndef GENERATOR_FILE
- if (XBITMAP (in_rtx, i) == NULL)
- fputs (" {null}", outfile);
- else
- bitmap_print (outfile, XBITMAP (in_rtx, i), " {", "}");
-#endif
- sawclose = 0;
- break;
-
case 't':
#ifndef GENERATOR_FILE
dump_addr (outfile, " ", XTREE (in_rtx, i));
Index: gengtype.c
===================================================================
--- gengtype.c (revision 159694)
+++ gengtype.c (working copy)
@@ -1008,7 +1008,7 @@ adjust_field_rtx_def (type_p t, options_p ARG_UNUS
options_p nodot;
int i;
type_p rtx_tp, rtvec_tp, tree_tp, mem_attrs_tp, note_union_tp, scalar_tp;
- type_p bitmap_tp, basic_block_tp, reg_attrs_tp, constant_tp, symbol_union_tp;
+ type_p basic_block_tp, reg_attrs_tp, constant_tp, symbol_union_tp;
if (t->kind != TYPE_UNION)
{
@@ -1024,7 +1024,6 @@ adjust_field_rtx_def (type_p t, options_p ARG_UNUS
tree_tp = create_pointer (find_structure ("tree_node", 1));
mem_attrs_tp = create_pointer (find_structure ("mem_attrs", 0));
reg_attrs_tp = create_pointer (find_structure ("reg_attrs", 0));
- bitmap_tp = create_pointer (find_structure ("bitmap_element_def", 0));
basic_block_tp = create_pointer (find_structure ("basic_block_def", 0));
constant_tp = create_pointer (find_structure ("constant_descriptor_rtx", 0));
scalar_tp = &scalar_nonchar; /* rtunion int */
@@ -1171,11 +1170,6 @@ adjust_field_rtx_def (type_p t, options_p ARG_UNUS
subname = "rt_tree";
break;
- case 'b':
- t = bitmap_tp;
- subname = "rt_bit";
- break;
-
case 'B':
t = basic_block_tp;
subname = "rt_bb";
Index: gengenrtl.c
===================================================================
--- gengenrtl.c (revision 159694)
+++ gengenrtl.c (working copy)
@@ -76,8 +76,6 @@ type_from_format (int c)
case 'E':
return "rtvec ";
- case 'b':
- return "struct bitmap_head_def *"; /* bitmap - typedef not available */
case 't':
return "union tree_node *"; /* tree - typedef not available */
case 'B':
@@ -109,9 +107,6 @@ accessor_from_format (int c)
case 'E':
return "XVEC";
- case 'b':
- return "XBITMAP";
-
case 't':
return "XTREE";