diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/graph.c')
-rw-r--r-- | gcc-4.2.1-5666.3/gcc/graph.c | 431 |
1 files changed, 0 insertions, 431 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/graph.c b/gcc-4.2.1-5666.3/gcc/graph.c deleted file mode 100644 index 5e1627d8e..000000000 --- a/gcc-4.2.1-5666.3/gcc/graph.c +++ /dev/null @@ -1,431 +0,0 @@ -/* Output routines for graphical representation. - Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004 - Free Software Foundation, Inc. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later -version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License -along with GCC; see the file COPYING. If not, write to the Free -Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301, USA. */ - -#include <config.h> -#include "system.h" -#include "coretypes.h" -#include "tm.h" -#include "rtl.h" -#include "flags.h" -#include "output.h" -#include "function.h" -#include "hard-reg-set.h" -#include "obstack.h" -#include "basic-block.h" -#include "toplev.h" -#include "graph.h" - -static const char *const graph_ext[] = -{ - /* no_graph */ "", - /* vcg */ ".vcg", -}; - -static void start_fct (FILE *); -static void start_bb (FILE *, int); -static void node_data (FILE *, rtx); -static void draw_edge (FILE *, int, int, int, int); -static void end_fct (FILE *); -static void end_bb (FILE *); - -/* Output text for new basic block. */ -static void -start_fct (FILE *fp) -{ - switch (graph_dump_format) - { - case vcg: - fprintf (fp, "\ -graph: { title: \"%s\"\nfolding: 1\nhidden: 2\nnode: { title: \"%s.0\" }\n", - current_function_name (), current_function_name ()); - break; - case no_graph: - break; - } -} - -static void -start_bb (FILE *fp, int bb) -{ -#if 0 - reg_set_iterator rsi; -#endif - - switch (graph_dump_format) - { - case vcg: - fprintf (fp, "\ -graph: {\ntitle: \"%s.BB%d\"\nfolding: 1\ncolor: lightblue\n\ -label: \"basic block %d", - current_function_name (), bb, bb); - break; - case no_graph: - break; - } - -#if 0 - /* FIXME Should this be printed? It makes the graph significantly larger. */ - - /* Print the live-at-start register list. */ - fputc ('\n', fp); - EXECUTE_IF_SET_IN_REG_SET (basic_block_live_at_start[bb], 0, i, rsi) - { - fprintf (fp, " %d", i); - if (i < FIRST_PSEUDO_REGISTER) - fprintf (fp, " [%s]", reg_names[i]); - } -#endif - - switch (graph_dump_format) - { - case vcg: - fputs ("\"\n\n", fp); - break; - case no_graph: - break; - } -} - -static void -node_data (FILE *fp, rtx tmp_rtx) -{ - if (PREV_INSN (tmp_rtx) == 0) - { - /* This is the first instruction. Add an edge from the starting - block. */ - switch (graph_dump_format) - { - case vcg: - fprintf (fp, "\ -edge: { sourcename: \"%s.0\" targetname: \"%s.%d\" }\n", - current_function_name (), - current_function_name (), XINT (tmp_rtx, 0)); - break; - case no_graph: - break; - } - } - - switch (graph_dump_format) - { - case vcg: - fprintf (fp, "node: {\n title: \"%s.%d\"\n color: %s\n \ -label: \"%s %d\n", - current_function_name (), XINT (tmp_rtx, 0), - NOTE_P (tmp_rtx) ? "lightgrey" - : NONJUMP_INSN_P (tmp_rtx) ? "green" - : JUMP_P (tmp_rtx) ? "darkgreen" - : CALL_P (tmp_rtx) ? "darkgreen" - : LABEL_P (tmp_rtx) ? "\ -darkgrey\n shape: ellipse" : "white", - GET_RTX_NAME (GET_CODE (tmp_rtx)), XINT (tmp_rtx, 0)); - break; - case no_graph: - break; - } - - /* Print the RTL. */ - if (NOTE_P (tmp_rtx)) - { - const char *name = ""; - if (NOTE_LINE_NUMBER (tmp_rtx) < 0) - name = GET_NOTE_INSN_NAME (NOTE_LINE_NUMBER (tmp_rtx)); - fprintf (fp, " %s", name); - } - else if (INSN_P (tmp_rtx)) - print_rtl_single (fp, PATTERN (tmp_rtx)); - else - print_rtl_single (fp, tmp_rtx); - - switch (graph_dump_format) - { - case vcg: - fputs ("\"\n}\n", fp); - break; - case no_graph: - break; - } -} - -static void -draw_edge (FILE *fp, int from, int to, int bb_edge, int class) -{ - const char * color; - switch (graph_dump_format) - { - case vcg: - color = ""; - if (class == 2) - color = "color: red "; - else if (bb_edge) - color = "color: blue "; - else if (class == 3) - color = "color: green "; - fprintf (fp, - "edge: { sourcename: \"%s.%d\" targetname: \"%s.%d\" %s", - current_function_name (), from, - current_function_name (), to, color); - if (class) - fprintf (fp, "class: %d ", class); - fputs ("}\n", fp); - break; - case no_graph: - break; - } -} - -static void -end_bb (FILE *fp) -{ - switch (graph_dump_format) - { - case vcg: - fputs ("}\n", fp); - break; - case no_graph: - break; - } -} - -static void -end_fct (FILE *fp) -{ - switch (graph_dump_format) - { - case vcg: - fprintf (fp, "node: { title: \"%s.999999\" label: \"END\" }\n}\n", - current_function_name ()); - break; - case no_graph: - break; - } -} - -/* Like print_rtl, but also print out live information for the start of each - basic block. */ -void -print_rtl_graph_with_bb (const char *base, rtx rtx_first) -{ - rtx tmp_rtx; - size_t namelen = strlen (base); - size_t extlen = strlen (graph_ext[graph_dump_format]) + 1; - char *buf = alloca (namelen + extlen); - FILE *fp; - - if (basic_block_info == NULL) - return; - - memcpy (buf, base, namelen); - memcpy (buf + namelen, graph_ext[graph_dump_format], extlen); - - fp = fopen (buf, "a"); - if (fp == NULL) - return; - - if (rtx_first == 0) - fprintf (fp, "(nil)\n"); - else - { - enum bb_state { NOT_IN_BB, IN_ONE_BB, IN_MULTIPLE_BB }; - int max_uid = get_max_uid (); - int *start = XNEWVEC (int, max_uid); - int *end = XNEWVEC (int, max_uid); - enum bb_state *in_bb_p = XNEWVEC (enum bb_state, max_uid); - basic_block bb; - int i; - - for (i = 0; i < max_uid; ++i) - { - start[i] = end[i] = -1; - in_bb_p[i] = NOT_IN_BB; - } - - FOR_EACH_BB_REVERSE (bb) - { - rtx x; - start[INSN_UID (BB_HEAD (bb))] = bb->index; - end[INSN_UID (BB_END (bb))] = bb->index; - for (x = BB_HEAD (bb); x != NULL_RTX; x = NEXT_INSN (x)) - { - in_bb_p[INSN_UID (x)] - = (in_bb_p[INSN_UID (x)] == NOT_IN_BB) - ? IN_ONE_BB : IN_MULTIPLE_BB; - if (x == BB_END (bb)) - break; - } - } - - /* Tell print-rtl that we want graph output. */ - dump_for_graph = 1; - - /* Start new function. */ - start_fct (fp); - - for (tmp_rtx = NEXT_INSN (rtx_first); NULL != tmp_rtx; - tmp_rtx = NEXT_INSN (tmp_rtx)) - { - int edge_printed = 0; - rtx next_insn; - - if (start[INSN_UID (tmp_rtx)] < 0 && end[INSN_UID (tmp_rtx)] < 0) - { - if (BARRIER_P (tmp_rtx)) - continue; - if (NOTE_P (tmp_rtx) - && (1 || in_bb_p[INSN_UID (tmp_rtx)] == NOT_IN_BB)) - continue; - } - - if ((i = start[INSN_UID (tmp_rtx)]) >= 0) - { - /* We start a subgraph for each basic block. */ - start_bb (fp, i); - - if (i == 0) - draw_edge (fp, 0, INSN_UID (tmp_rtx), 1, 0); - } - - /* Print the data for this node. */ - node_data (fp, tmp_rtx); - next_insn = next_nonnote_insn (tmp_rtx); - - if ((i = end[INSN_UID (tmp_rtx)]) >= 0) - { - edge e; - edge_iterator ei; - - bb = BASIC_BLOCK (i); - - /* End of the basic block. */ - end_bb (fp); - - /* Now specify the edges to all the successors of this - basic block. */ - FOR_EACH_EDGE (e, ei, bb->succs) - { - if (e->dest != EXIT_BLOCK_PTR) - { - rtx block_head = BB_HEAD (e->dest); - - draw_edge (fp, INSN_UID (tmp_rtx), - INSN_UID (block_head), - next_insn != block_head, - (e->flags & EDGE_ABNORMAL ? 2 : 0)); - - if (block_head == next_insn) - edge_printed = 1; - } - else - { - draw_edge (fp, INSN_UID (tmp_rtx), 999999, - next_insn != 0, - (e->flags & EDGE_ABNORMAL ? 2 : 0)); - - if (next_insn == 0) - edge_printed = 1; - } - } - } - - if (!edge_printed) - { - /* Don't print edges to barriers. */ - if (next_insn == 0 - || !BARRIER_P (next_insn)) - draw_edge (fp, XINT (tmp_rtx, 0), - next_insn ? INSN_UID (next_insn) : 999999, 0, 0); - else - { - /* We draw the remaining edges in class 3. We have - to skip over the barrier since these nodes are - not printed at all. */ - do - next_insn = NEXT_INSN (next_insn); - while (next_insn - && (NOTE_P (next_insn) - || BARRIER_P (next_insn))); - - draw_edge (fp, XINT (tmp_rtx, 0), - next_insn ? INSN_UID (next_insn) : 999999, 0, 3); - } - } - } - - dump_for_graph = 0; - - end_fct (fp); - - /* Clean up. */ - free (start); - free (end); - free (in_bb_p); - } - - fclose (fp); -} - - -/* Similar as clean_dump_file, but this time for graph output files. */ - -void -clean_graph_dump_file (const char *base) -{ - size_t namelen = strlen (base); - size_t extlen = strlen (graph_ext[graph_dump_format]) + 1; - char *buf = alloca (namelen + extlen); - FILE *fp; - - memcpy (buf, base, namelen); - memcpy (buf + namelen, graph_ext[graph_dump_format], extlen); - - fp = fopen (buf, "w"); - - if (fp == NULL) - fatal_error ("can't open %s: %m", buf); - - gcc_assert (graph_dump_format == vcg); - fputs ("graph: {\nport_sharing: no\n", fp); - - fclose (fp); -} - - -/* Do final work on the graph output file. */ -void -finish_graph_dump_file (const char *base) -{ - size_t namelen = strlen (base); - size_t extlen = strlen (graph_ext[graph_dump_format]) + 1; - char *buf = alloca (namelen + extlen); - FILE *fp; - - memcpy (buf, base, namelen); - memcpy (buf + namelen, graph_ext[graph_dump_format], extlen); - - fp = fopen (buf, "a"); - if (fp != NULL) - { - gcc_assert (graph_dump_format == vcg); - fputs ("}\n", fp); - fclose (fp); - } -} |