#include "rtl.h"
#include "tree.h"
#include "graph.h"
+#include "pretty-print.h"
/* DOT files with the .dot extension are recognized as document templates
by a well-known piece of word processing software out of Redmond, WA.
return fp;
}
-/* Print the output from print_insn or print_pattern with GraphViz-special
- characters escaped as necessary. */
-void
-print_escaped_line (FILE *fp, const char *buf)
+/* Return a pretty-print buffer for output to file FP. */
+
+static pretty_printer *
+init_graph_slim_pretty_print (FILE *fp)
{
- const char *p = buf;
+ static bool initialized = false;
+ static pretty_printer graph_slim_pp;
- while (*p)
+ if (! initialized)
{
- switch (*p)
- {
- case '\n':
- /* Print newlines as a left-aligned newline. */
- fputs ("\\l\\\n", fp);
- break;
-
- case '{':
- case '}':
- case '<':
- case '>':
- case '|':
- case '"':
- case ' ':
- /* These characters have to be escaped to work with record-shape nodes. */
- fputc ('\\', fp);
- /* fall through */
- default:
- fputc (*p, fp);
- break;
- }
- p++;
+ pp_construct (&graph_slim_pp, /*prefix=*/NULL, /*linewidth=*/0);
+ initialized = true;
}
- fputs ("\\l\\\n", fp);
+ else
+ gcc_assert (! pp_last_position_in_text (&graph_slim_pp));
+
+ graph_slim_pp.buffer->stream = fp;
+ return &graph_slim_pp;
}
/* Draw a basic block BB belonging to the function with FNDECL_UID
as its unique number. */
static void
-draw_cfg_node (FILE *fp, int fndecl_uid, basic_block bb)
+draw_cfg_node (pretty_printer *pp, int fndecl_uid, basic_block bb)
{
rtx insn;
bool first = true;
: "lightgrey";
}
- fprintf (fp,
- "\tfn_%d_basic_block_%d [shape=%s,style=filled,fillcolor=%s,label=\"",
- fndecl_uid, bb->index, shape, fillcolor);
+ pp_printf (pp,
+ "\tfn_%d_basic_block_%d "
+ "[shape=%s,style=filled,fillcolor=%s,label=\"",
+ fndecl_uid, bb->index, shape, fillcolor);
if (bb->index == ENTRY_BLOCK)
- fputs ("ENTRY", fp);
+ pp_string (pp, "ENTRY");
else if (bb->index == EXIT_BLOCK)
- fputs ("EXIT", fp);
+ pp_string (pp, "EXIT");
else
{
- fputc ('{', fp);
+ pp_character (pp, '{');
+ pp_write_text_to_stream (pp);
+
/* TODO: inter-bb stuff. */
FOR_BB_INSNS (bb, insn)
{
- char buf[2048];
-
if (! first)
- fputc ('|', fp);
+ {
+ pp_character (pp, '|');
+ pp_write_text_to_stream (pp);
+ }
+ first = false;
- print_insn (buf, insn, 1);
- print_escaped_line (fp, buf);
+ print_insn (pp, insn, 1);
+ pp_newline (pp);
if (INSN_P (insn) && REG_NOTES (insn))
for (rtx note = REG_NOTES (insn); note; note = XEXP (note, 1))
{
- fprintf (fp, " %s: ",
- GET_REG_NOTE_NAME (REG_NOTE_KIND (note)));
- print_pattern (buf, XEXP (note, 0), 1);
- print_escaped_line (fp, buf);
+ pp_printf (pp, " %s: ",
+ GET_REG_NOTE_NAME (REG_NOTE_KIND (note)));
+ print_pattern (pp, XEXP (note, 0), 1);
+ pp_newline (pp);
}
-
- first = false;
+ pp_write_text_as_dot_label_to_stream (pp, /*for_record=*/true);
}
- fputc ('}', fp);
+ pp_character (pp, '}');
}
- fputs ("\"];\n\n", fp);
+ pp_string (pp, "\"];\n\n");
+ pp_flush (pp);
}
/* Draw all successor edges of a basic block BB belonging to the function
with FNDECL_UID as its unique number. */
static void
-draw_cfg_node_succ_edges (FILE *fp, int fndecl_uid, basic_block bb)
+draw_cfg_node_succ_edges (pretty_printer *pp, int fndecl_uid, basic_block bb)
{
edge e;
edge_iterator ei;
if (e->flags & EDGE_ABNORMAL)
color = "red";
- fprintf (fp,
- "\tfn_%d_basic_block_%d:s -> fn_%d_basic_block_%d:n "
- "[style=%s,color=%s,weight=%d,constraint=%s];\n",
- fndecl_uid, e->src->index,
- fndecl_uid, e->dest->index,
- style, color, weight,
- (e->flags & (EDGE_FAKE | EDGE_DFS_BACK)) ? "false" : "true");
+ pp_printf (pp,
+ "\tfn_%d_basic_block_%d:s -> fn_%d_basic_block_%d:n "
+ "[style=%s,color=%s,weight=%d,constraint=%s];\n",
+ fndecl_uid, e->src->index,
+ fndecl_uid, e->dest->index,
+ style, color, weight,
+ (e->flags & (EDGE_FAKE | EDGE_DFS_BACK)) ? "false" : "true");
}
+ pp_flush (pp);
}
/* Print a graphical representation of the CFG of function FUN.
int *rpo = XNEWVEC (int, n_basic_blocks);
basic_block bb;
int i, n;
+ pretty_printer *pp = init_graph_slim_pretty_print (fp);
- fprintf (fp,
- "subgraph \"%s\" {\n"
- "\tcolor=\"black\";\n"
- "\tlabel=\"%s\";\n",
- funcname, funcname);
+ pp_printf (pp, "subgraph \"%s\" {\n"
+ "\tcolor=\"black\";\n"
+ "\tlabel=\"%s\";\n",
+ funcname, funcname);
/* First print all basic blocks.
Visit the blocks in reverse post order to get a good ranking
of the nodes. */
n = pre_and_rev_post_order_compute (NULL, rpo, true);
for (i = 0; i < n; i++)
- draw_cfg_node (fp, fndecl_uid, BASIC_BLOCK (rpo[i]));
+ draw_cfg_node (pp, fndecl_uid, BASIC_BLOCK (rpo[i]));
/* Draw all edges at the end to get subgraphs right for GraphViz,
which requires nodes to be defined before edges to cluster
for ourselves is also not desirable.) */
mark_dfs_back_edges ();
FOR_ALL_BB (bb)
- draw_cfg_node_succ_edges (fp, fndecl_uid, bb);
-
- fputs ("\t}\n", fp);
+ draw_cfg_node_succ_edges (pp, fndecl_uid, bb);
+ pp_printf (pp, "\t}\n");
+ pp_flush (pp);
fclose (fp);
}
#include "tm.h"
#include "rtl.h"
#include "tree.h" /* FIXME: To dump INSN_VAR_LOCATION_DECL. */
-#include "obstack.h"
-#include "hard-reg-set.h"
#include "basic-block.h"
-#include "insn-attr.h"
#include "dumpfile.h" /* for the TDF_* flags */
-
-static char *safe_concat (char *, char *, const char *);
-
-#define BUF_LEN 2048
-
-static char *
-safe_concat (char *buf, char *cur, const char *str)
-{
- char *end = buf + BUF_LEN - 2; /* Leave room for null. */
- int c;
-
- if (cur > end)
- {
- *end = '\0';
- return end;
- }
-
- while (cur < end && (c = *str++) != '\0')
- *cur++ = c;
-
- *cur = '\0';
- return cur;
-}
-
-/* This recognizes rtx, I classified as expressions. These are always
+#include "pretty-print.h"
+
+/* The functions in this file try to print RTL in a form resembling assembler
+ mnemonics. Because this form is more concise than the "traditional" form
+ of RTL printing in Lisp-style, the form printed by this file is called
+ "slim". RTL dumps in slim format can be obtained by appending the "-slim"
+ option to -fdump-rtl-<pass>. Control flow graph output as a DOT file is
+ always printed in slim form.
+
+ The normal interface to the functionality provided in this pretty-printer
+ is through the dump_*_slim functions to print to a stream, or via the
+ print_*_slim functions to print into a user's pretty-printer.
+
+ It is also possible to obtain a string for a single pattern as a string
+ pointer, via str_pattern_slim, but this usage is discouraged. */
+
+/* A pretty-printer for slim rtl printing. */
+static bool rtl_slim_pp_initialized = false;
+static pretty_printer rtl_slim_pp;
+
+/* This recognizes rtx'en classified as expressions. These are always
represent some action on values or results of other expression, that
may be stored in objects representing values. */
static void
-print_exp (char *buf, const_rtx x, int verbose)
+print_exp (pretty_printer *pp, const_rtx x, int verbose)
{
- char tmp[BUF_LEN];
const char *st[4];
- char *cur = buf;
- const char *fun = (char *) 0;
- const char *sep;
+ const char *fun;
rtx op[4];
int i;
+ fun = (char *) 0;
for (i = 0; i < 4; i++)
{
st[i] = (char *) 0;
case UNSPEC:
case UNSPEC_VOLATILE:
{
- cur = safe_concat (buf, cur, "unspec");
+ pp_string (pp, "unspec");
if (GET_CODE (x) == UNSPEC_VOLATILE)
- cur = safe_concat (buf, cur, "/v");
- cur = safe_concat (buf, cur, "[");
- sep = "";
+ pp_string (pp, "/v");
+ pp_character (pp, '[');
for (i = 0; i < XVECLEN (x, 0); i++)
{
- print_pattern (tmp, XVECEXP (x, 0, i), verbose);
- cur = safe_concat (buf, cur, sep);
- cur = safe_concat (buf, cur, tmp);
- sep = ",";
+ if (i != 0)
+ pp_character (pp, ',');
+ print_pattern (pp, XVECEXP (x, 0, i), verbose);
}
- cur = safe_concat (buf, cur, "] ");
- sprintf (tmp, "%d", XINT (x, 1));
- cur = safe_concat (buf, cur, tmp);
+ pp_string (pp, "] ");
+ pp_decimal_int (pp, XINT (x, 1));
}
break;
default:
/* Print this as a function? */
if (fun)
{
- cur = safe_concat (buf, cur, fun);
- cur = safe_concat (buf, cur, "(");
+ pp_string (pp, fun);
+ pp_character (pp, '(');
}
for (i = 0; i < 4; i++)
{
if (st[i])
- cur = safe_concat (buf, cur, st[i]);
+ pp_string (pp, st[i]);
if (op[i])
{
if (fun && i != 0)
- cur = safe_concat (buf, cur, ",");
-
- print_value (tmp, op[i], verbose);
- cur = safe_concat (buf, cur, tmp);
+ pp_character (pp, ',');
+ print_value (pp, op[i], verbose);
}
}
if (fun)
- cur = safe_concat (buf, cur, ")");
+ pp_character (pp, ')');
} /* print_exp */
/* Prints rtxes, I customarily classified as values. They're constants,
registers, labels, symbols and memory accesses. */
void
-print_value (char *buf, const_rtx x, int verbose)
+print_value (pretty_printer *pp, const_rtx x, int verbose)
{
- char t[BUF_LEN];
- char *cur = buf;
+ char tmp[1024];
if (!x)
{
- safe_concat (buf, buf, "(nil)");
+ pp_string (pp, "(nil)");
return;
}
switch (GET_CODE (x))
{
case CONST_INT:
- sprintf (t, HOST_WIDE_INT_PRINT_HEX,
- (unsigned HOST_WIDE_INT) INTVAL (x));
- cur = safe_concat (buf, cur, t);
+ pp_scalar (pp, HOST_WIDE_INT_PRINT_HEX,
+ (unsigned HOST_WIDE_INT) INTVAL (x));
break;
case CONST_DOUBLE:
if (FLOAT_MODE_P (GET_MODE (x)))
- real_to_decimal (t, CONST_DOUBLE_REAL_VALUE (x), sizeof (t), 0, 1);
+ {
+ real_to_decimal (tmp, CONST_DOUBLE_REAL_VALUE (x),
+ sizeof (tmp), 0, 1);
+ pp_string (pp, tmp);
+ }
else
- sprintf (t,
- "<" HOST_WIDE_INT_PRINT_HEX "," HOST_WIDE_INT_PRINT_HEX ">",
- (unsigned HOST_WIDE_INT) CONST_DOUBLE_LOW (x),
- (unsigned HOST_WIDE_INT) CONST_DOUBLE_HIGH (x));
- cur = safe_concat (buf, cur, t);
+ pp_printf (pp, "<%wx,%wx>",
+ (unsigned HOST_WIDE_INT) CONST_DOUBLE_LOW (x),
+ (unsigned HOST_WIDE_INT) CONST_DOUBLE_HIGH (x));
break;
case CONST_FIXED:
- fixed_to_decimal (t, CONST_FIXED_VALUE (x), sizeof (t));
- cur = safe_concat (buf, cur, t);
+ fixed_to_decimal (tmp, CONST_FIXED_VALUE (x), sizeof (tmp));
+ pp_string (pp, tmp);
break;
case CONST_STRING:
- cur = safe_concat (buf, cur, "\"");
- cur = safe_concat (buf, cur, XSTR (x, 0));
- cur = safe_concat (buf, cur, "\"");
+ pp_printf (pp, "\"%s\"", XSTR (x, 0));
break;
case SYMBOL_REF:
- cur = safe_concat (buf, cur, "`");
- cur = safe_concat (buf, cur, XSTR (x, 0));
- cur = safe_concat (buf, cur, "'");
+ pp_printf (pp, "`%s'", XSTR (x, 0));
break;
case LABEL_REF:
- sprintf (t, "L%d", INSN_UID (XEXP (x, 0)));
- cur = safe_concat (buf, cur, t);
+ pp_printf (pp, "L%d", INSN_UID (XEXP (x, 0)));
break;
case CONST:
- print_value (t, XEXP (x, 0), verbose);
- cur = safe_concat (buf, cur, "const(");
- cur = safe_concat (buf, cur, t);
- cur = safe_concat (buf, cur, ")");
- break;
case HIGH:
- print_value (t, XEXP (x, 0), verbose);
- cur = safe_concat (buf, cur, "high(");
- cur = safe_concat (buf, cur, t);
- cur = safe_concat (buf, cur, ")");
+ case STRICT_LOW_PART:
+ pp_printf (pp, "%s(", GET_RTX_NAME (GET_CODE (x)));
+ print_value (pp, XEXP (x, 0), verbose);
+ pp_character (pp, ')');
break;
case REG:
if (REGNO (x) < FIRST_PSEUDO_REGISTER)
{
- int c = reg_names[REGNO (x)][0];
- if (ISDIGIT (c))
- cur = safe_concat (buf, cur, "%");
-
- cur = safe_concat (buf, cur, reg_names[REGNO (x)]);
+ if (ISDIGIT (reg_names[REGNO (x)][0]))
+ pp_character (pp, '%');
+ pp_string (pp, reg_names[REGNO (x)]);
}
else
- {
- sprintf (t, "r%d", REGNO (x));
- cur = safe_concat (buf, cur, t);
- }
+ pp_printf (pp, "r%d", REGNO (x));
if (verbose)
- {
- sprintf (t, ":%s", GET_MODE_NAME (GET_MODE (x)));
- cur = safe_concat (buf, cur, t);
- }
+ pp_printf (pp, ":%s", GET_MODE_NAME (GET_MODE (x)));
break;
case SUBREG:
- print_value (t, SUBREG_REG (x), verbose);
- cur = safe_concat (buf, cur, t);
- sprintf (t, "#%d", SUBREG_BYTE (x));
- cur = safe_concat (buf, cur, t);
- break;
- case STRICT_LOW_PART:
- print_value (t, XEXP (x, 0), verbose);
- cur = safe_concat (buf, cur, "strict_low_part(");
- cur = safe_concat (buf, cur, t);
- cur = safe_concat (buf, cur, ")");
+ print_value (pp, SUBREG_REG (x), verbose);
+ pp_printf (pp, "#%d", SUBREG_BYTE (x));
break;
case SCRATCH:
- cur = safe_concat (buf, cur, "scratch");
- break;
case CC0:
- cur = safe_concat (buf, cur, "cc0");
- break;
case PC:
- cur = safe_concat (buf, cur, "pc");
+ pp_string (pp, GET_RTX_NAME (GET_CODE (x)));
break;
case MEM:
- print_value (t, XEXP (x, 0), verbose);
- cur = safe_concat (buf, cur, "[");
- cur = safe_concat (buf, cur, t);
- cur = safe_concat (buf, cur, "]");
+ pp_character (pp, '[');
+ print_value (pp, XEXP (x, 0), verbose);
+ pp_character (pp, ']');
break;
case DEBUG_EXPR:
- sprintf (t, "D#%i", DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (x)));
- cur = safe_concat (buf, cur, t);
+ pp_printf (pp, "D#%i", DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (x)));
break;
default:
- print_exp (t, x, verbose);
- cur = safe_concat (buf, cur, t);
+ print_exp (pp, x, verbose);
break;
}
} /* print_value */
-/* Print X, an RTL value node, to file F in slim format. Include
- additional information if VERBOSE is nonzero.
-
- Value nodes are constants, registers, labels, symbols and
- memory. */
-
-void
-dump_value_slim (FILE *f, const_rtx x, int verbose)
-{
- char buf[BUF_LEN];
-
- print_value (buf, x, verbose);
- fprintf (f, "%s", buf);
-}
-
/* The next step in insn detalization, its pattern recognition. */
void
-print_pattern (char *buf, const_rtx x, int verbose)
+print_pattern (pretty_printer *pp, const_rtx x, int verbose)
{
- char t1[BUF_LEN], t2[BUF_LEN], t3[BUF_LEN];
-
if (! x)
{
- sprintf (buf, "(nil)");
+ pp_string (pp, "(nil)");
return;
}
switch (GET_CODE (x))
{
case SET:
- print_value (t1, SET_DEST (x), verbose);
- print_value (t2, SET_SRC (x), verbose);
- sprintf (buf, "%s=%s", t1, t2);
+ print_value (pp, SET_DEST (x), verbose);
+ pp_character (pp, '=');
+ print_value (pp, SET_SRC (x), verbose);
break;
case RETURN:
case SIMPLE_RETURN:
case EH_RETURN:
- sprintf (buf, GET_RTX_NAME (GET_CODE (x)));
+ pp_string (pp, GET_RTX_NAME (GET_CODE (x)));
break;
case CALL:
- print_exp (buf, x, verbose);
+ print_exp (pp, x, verbose);
break;
case CLOBBER:
case USE:
- print_value (t1, XEXP (x, 0), verbose);
- sprintf (buf, "%s %s", GET_RTX_NAME (GET_CODE (x)), t1);
+ pp_printf (pp, "%s ", GET_RTX_NAME (GET_CODE (x)));
+ print_value (pp, XEXP (x, 0), verbose);
break;
case VAR_LOCATION:
- print_value (t1, PAT_VAR_LOCATION_LOC (x), verbose);
- sprintf (buf, "loc %s", t1);
+ pp_string (pp, "loc ");
+ print_value (pp, PAT_VAR_LOCATION_LOC (x), verbose);
break;
case COND_EXEC:
+ pp_character (pp, '(');
if (GET_CODE (COND_EXEC_TEST (x)) == NE
&& XEXP (COND_EXEC_TEST (x), 1) == const0_rtx)
- print_value (t1, XEXP (COND_EXEC_TEST (x), 0), verbose);
+ print_value (pp, XEXP (COND_EXEC_TEST (x), 0), verbose);
else if (GET_CODE (COND_EXEC_TEST (x)) == EQ
&& XEXP (COND_EXEC_TEST (x), 1) == const0_rtx)
{
- t1[0] = '!';
- print_value (t1 + 1, XEXP (COND_EXEC_TEST (x), 0), verbose);
+ pp_character (pp, '!');
+ print_value (pp, XEXP (COND_EXEC_TEST (x), 0), verbose);
}
else
- print_value (t1, COND_EXEC_TEST (x), verbose);
- print_pattern (t2, COND_EXEC_CODE (x), verbose);
- sprintf (buf, "(%s) %s", t1, t2);
+ print_value (pp, COND_EXEC_TEST (x), verbose);
+ pp_string (pp, ") ");
+ print_pattern (pp, COND_EXEC_CODE (x), verbose);
break;
case PARALLEL:
{
int i;
- sprintf (t1, "{");
+ pp_character (pp, '{');
for (i = 0; i < XVECLEN (x, 0); i++)
{
- print_pattern (t2, XVECEXP (x, 0, i), verbose);
- sprintf (t3, "%s%s;", t1, t2);
- strcpy (t1, t3);
+ print_pattern (pp, XVECEXP (x, 0, i), verbose);
+ pp_character (pp, ';');
}
- sprintf (buf, "%s}", t1);
+ pp_character (pp, '}');
}
break;
case SEQUENCE:
{
int i;
- sprintf (t1, "sequence{");
+ pp_string (pp, "sequence{");
for (i = 0; i < XVECLEN (x, 0); i++)
{
- print_pattern (t2, XVECEXP (x, 0, i), verbose);
- sprintf (t3, "%s%s;", t1, t2);
- strcpy (t1, t3);
+ print_pattern (pp, XVECEXP (x, 0, i), verbose);
+ pp_character (pp, ';');
}
- sprintf (buf, "%s}", t1);
+ pp_character (pp, '}');
}
break;
case ASM_INPUT:
- sprintf (buf, "asm {%s}", XSTR (x, 0));
+ pp_printf (pp, "asm {%s}", XSTR (x, 0));
break;
case ADDR_VEC:
/* Fall through. */
case ADDR_DIFF_VEC:
- print_value (buf, XEXP (x, 0), verbose);
+ print_value (pp, XEXP (x, 0), verbose);
break;
case TRAP_IF:
- print_value (t1, TRAP_CONDITION (x), verbose);
- sprintf (buf, "trap_if %s", t1);
+ pp_string (pp, "trap_if ");
+ print_value (pp, TRAP_CONDITION (x), verbose);
break;
case UNSPEC:
case UNSPEC_VOLATILE:
/* Fallthru -- leave UNSPECs to print_exp. */
default:
- print_value (buf, x, verbose);
+ print_value (pp, x, verbose);
}
} /* print_pattern */
/* This is the main function in slim rtl visualization mechanism.
- X is an insn, to be printed into BUF.
+ X is an insn, to be printed into PP.
This function tries to print it properly in human-readable form,
resembling assembler mnemonics (instead of the older Lisp-style
with their INSN_UIDs. */
void
-print_insn (char *buf, const_rtx x, int verbose)
+print_insn (pretty_printer *pp, const_rtx x, int verbose)
{
- /* Collect the string to output for X in t1. t2 is a scratch area. */
- char t1[BUF_LEN], t2[BUF_LEN];
+ if (verbose)
+ {
+ /* Blech, pretty-print can't print integers with a specified width. */
+ char uid_prefix[32];
+ snprintf (uid_prefix, sizeof uid_prefix, " %4d: ", INSN_UID (x));
+ pp_string (pp, uid_prefix);
+ }
switch (GET_CODE (x))
{
case INSN:
- print_pattern (t1, PATTERN (x), verbose);
+ print_pattern (pp, PATTERN (x), verbose);
break;
case DEBUG_INSN:
name = idbuf;
}
}
+ pp_printf (pp, "debug %s => ", name);
if (VAR_LOC_UNKNOWN_P (INSN_VAR_LOCATION_LOC (x)))
- sprintf (t1, "debug %s optimized away", name);
+ pp_string (pp, "optimized away");
else
- {
- print_pattern (t2, INSN_VAR_LOCATION_LOC (x), verbose);
- sprintf (t1, "debug %s => %s", name, t2);
- }
+ print_pattern (pp, INSN_VAR_LOCATION_LOC (x), verbose);
}
break;
case JUMP_INSN:
- print_pattern (t1, PATTERN (x), verbose);
+ print_pattern (pp, PATTERN (x), verbose);
break;
case CALL_INSN:
if (GET_CODE (PATTERN (x)) == PARALLEL)
- print_pattern (t1, XVECEXP (PATTERN (x), 0, 0), verbose);
+ print_pattern (pp, XVECEXP (PATTERN (x), 0, 0), verbose);
else
- print_pattern (t1, PATTERN (x), verbose);
+ print_pattern (pp, PATTERN (x), verbose);
break;
case CODE_LABEL:
- sprintf (t1, "L%d:", INSN_UID (x));
+ pp_printf (pp, "L%d:", INSN_UID (x));
break;
case BARRIER:
- sprintf (t1, "barrier");
+ pp_string (pp, "barrier");
break;
case NOTE:
{
+ pp_string (pp, GET_NOTE_INSN_NAME (NOTE_KIND (x)));
switch (NOTE_KIND (x))
{
case NOTE_INSN_EH_REGION_BEG:
case NOTE_INSN_EH_REGION_END:
- sprintf (t2, "%d", NOTE_EH_HANDLER (x));
+ pp_printf (pp, " %d", NOTE_EH_HANDLER (x));
break;
case NOTE_INSN_BLOCK_BEG:
case NOTE_INSN_BLOCK_END:
- sprintf (t2, "%d", BLOCK_NUMBER (NOTE_BLOCK (x)));
+ pp_printf (pp, " %d", BLOCK_NUMBER (NOTE_BLOCK (x)));
break;
case NOTE_INSN_BASIC_BLOCK:
- sprintf (t2, "%d", NOTE_BASIC_BLOCK (x)->index);
+ pp_printf (pp, " %d", NOTE_BASIC_BLOCK (x)->index);
break;
case NOTE_INSN_DELETED_LABEL:
const char *label = NOTE_DELETED_LABEL_NAME (x);
if (label == NULL)
label = "";
- sprintf (t2, "(\"%s\")", label);
+ pp_printf (pp, " (\"%s\")", label);
}
break;
case NOTE_INSN_VAR_LOCATION:
case NOTE_INSN_CALL_ARG_LOCATION:
- /* It's safe here to use t1 for scratch because the output
- is printed in t2 and put back in t1 at the bottom of
- the inner switch statement. */
- print_pattern (t1, NOTE_VAR_LOCATION (x), verbose);
- sprintf (t2, "{%s}", t1);
+ pp_character (pp, '{');
+ print_pattern (pp, NOTE_VAR_LOCATION (x), verbose);
+ pp_character (pp, '}');
break;
default:
- t2[0] = '\0';
break;
}
- sprintf (t1, "%s %s", GET_NOTE_INSN_NAME (NOTE_KIND (x)), t2);
break;
}
default:
- sprintf (t1, "<What %s?>", GET_RTX_NAME (GET_CODE (x)));
- break;
+ gcc_unreachable ();
}
+} /* print_insn */
- if (verbose)
- sprintf (buf, " %4d: %s", INSN_UID (x), t1);
+/* Prerry-print a slim dump of X (an insn) to PP, including any register
+ note attached to the instruction. */
+
+static void
+print_insn_with_notes (pretty_printer *pp, const_rtx x)
+{
+ pp_string (pp, print_rtx_head);
+ print_insn (pp, x, 1);
+ pp_newline (pp);
+ if (INSN_P (x) && REG_NOTES (x))
+ for (rtx note = REG_NOTES (x); note; note = XEXP (note, 1))
+ {
+ pp_printf (pp, "%s %s", print_rtx_head,
+ GET_REG_NOTE_NAME (REG_NOTE_KIND (note)));
+ print_pattern (pp, XEXP (note, 0), 1);
+ pp_newline (pp);
+ }
+}
+
+/* Return a pretty-print buffer set up to print to file F. */
+
+static pretty_printer *
+init_rtl_slim_pretty_print (FILE *f)
+{
+ if (! rtl_slim_pp_initialized)
+ {
+ pp_construct (&rtl_slim_pp, /*prefix=*/NULL, /*linewidth=*/0);
+ rtl_slim_pp_initialized = true;
+ }
else
- sprintf (buf, "%s", t1);
-} /* print_insn */
+ /* Clean out any data that str_insn_slim may have left here. */
+ pp_clear_output_area (&rtl_slim_pp);
+
+ rtl_slim_pp.buffer->stream = f;
+ return &rtl_slim_pp;
+}
+
+/* Print X, an RTL value node, to file F in slim format. Include
+ additional information if VERBOSE is nonzero.
+
+ Value nodes are constants, registers, labels, symbols and
+ memory. */
+
+void
+dump_value_slim (FILE *f, const_rtx x, int verbose)
+{
+ pretty_printer *pp = init_rtl_slim_pretty_print (f);
+ print_value (pp, x, verbose);
+ pp_flush (pp);
+}
/* Emit a slim dump of X (an insn) to the file F, including any register
note attached to the instruction. */
void
dump_insn_slim (FILE *f, const_rtx x)
{
- char t[BUF_LEN + 32];
- rtx note;
-
- print_insn (t, x, 1);
- fputs (print_rtx_head, f);
- fputs (t, f);
- putc ('\n', f);
- if (INSN_P (x) && REG_NOTES (x))
- for (note = REG_NOTES (x); note; note = XEXP (note, 1))
- {
- fputs (print_rtx_head, f);
- print_pattern (t, XEXP (note, 0), 1);
- fprintf (f, " %s: %s\n",
- GET_REG_NOTE_NAME (REG_NOTE_KIND (note)), t);
- }
+ pretty_printer *pp = init_rtl_slim_pretty_print (f);
+ print_insn_with_notes (pp, x);
+ pp_flush (pp);
}
/* Same as above, but stop at LAST or when COUNT == 0.
int count, int flags ATTRIBUTE_UNUSED)
{
const_rtx insn, tail;
+ pretty_printer *pp = init_rtl_slim_pretty_print (f);
tail = last ? NEXT_INSN (last) : NULL_RTX;
for (insn = first;
(insn != NULL) && (insn != tail) && (count != 0);
insn = NEXT_INSN (insn))
{
- dump_insn_slim (f, insn);
+ print_insn_with_notes (pp, insn);
if (count > 0)
count--;
}
+
+ pp_flush (pp);
+}
+
+/* Pretty-print pattern X of some insn in non-verbose mode.
+ Return a string pointer to the pretty-printer buffer.
+
+ This function is only exported exists only to accommodate some older users
+ of the slim RTL pretty printers. Please do not use it for new code. */
+
+const char *
+str_pattern_slim (const_rtx x)
+{
+ pretty_printer *pp = init_rtl_slim_pretty_print (NULL);
+ print_pattern (pp, x, 0);
+ return pp_base_formatted_text (pp);
}
/* Emit a slim dump of X (an insn) to stderr. */
git://gcc.gnu.org / gcc.git / commitdiff