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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/print-rtl.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
downloadtoolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/print-rtl.c')
-rw-r--r--gcc-4.9/gcc/print-rtl.c854
1 files changed, 854 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/print-rtl.c b/gcc-4.9/gcc/print-rtl.c
new file mode 100644
index 000000000..09ac387d1
--- /dev/null
+++ b/gcc-4.9/gcc/print-rtl.c
@@ -0,0 +1,854 @@
+/* Print RTL for GCC.
+ Copyright (C) 1987-2014 Free Software Foundation, Inc.
+
+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 3, 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 COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+/* This file is compiled twice: once for the generator programs,
+ once for the compiler. */
+#ifdef GENERATOR_FILE
+#include "bconfig.h"
+#else
+#include "config.h"
+#endif
+
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "rtl.h"
+
+/* These headers all define things which are not available in
+ generator programs. */
+#ifndef GENERATOR_FILE
+#include "tree.h"
+#include "print-tree.h"
+#include "flags.h"
+#include "hard-reg-set.h"
+#include "basic-block.h"
+#include "diagnostic.h"
+#include "tree-pretty-print.h"
+#include "cselib.h"
+#include "dumpfile.h" /* for dump_flags */
+#include "dwarf2out.h"
+#endif
+
+static FILE *outfile;
+
+static int sawclose = 0;
+
+static int indent;
+
+static bool in_call_function_usage;
+
+static void print_rtx (const_rtx);
+
+/* String printed at beginning of each RTL when it is dumped.
+ This string is set to ASM_COMMENT_START when the RTL is dumped in
+ the assembly output file. */
+const char *print_rtx_head = "";
+
+#ifdef GENERATOR_FILE
+/* These are defined from the .opt file when not used in generator
+ programs. */
+
+/* Nonzero means suppress output of instruction numbers
+ in debugging dumps.
+ This must be defined here so that programs like gencodes can be linked. */
+int flag_dump_unnumbered = 0;
+
+/* Nonzero means suppress output of instruction numbers for previous
+ and next insns in debugging dumps.
+ This must be defined here so that programs like gencodes can be linked. */
+int flag_dump_unnumbered_links = 0;
+#endif
+
+/* Nonzero means use simplified format without flags, modes, etc. */
+int flag_simple = 0;
+
+#ifndef GENERATOR_FILE
+void
+print_mem_expr (FILE *outfile, const_tree expr)
+{
+ fputc (' ', outfile);
+ print_generic_expr (outfile, CONST_CAST_TREE (expr), dump_flags);
+}
+#endif
+
+/* Print IN_RTX onto OUTFILE. This is the recursive part of printing. */
+
+static void
+print_rtx (const_rtx in_rtx)
+{
+ int i = 0;
+ int j;
+ const char *format_ptr;
+ int is_insn;
+
+ if (sawclose)
+ {
+ if (flag_simple)
+ fputc (' ', outfile);
+ else
+ fprintf (outfile, "\n%s%*s", print_rtx_head, indent * 2, "");
+ sawclose = 0;
+ }
+
+ if (in_rtx == 0)
+ {
+ fputs ("(nil)", outfile);
+ sawclose = 1;
+ return;
+ }
+ else if (GET_CODE (in_rtx) > NUM_RTX_CODE)
+ {
+ fprintf (outfile, "(??? bad code %d\n%s%*s)", GET_CODE (in_rtx),
+ print_rtx_head, indent * 2, "");
+ sawclose = 1;
+ return;
+ }
+
+ is_insn = INSN_P (in_rtx);
+
+ /* Print name of expression code. */
+ if (flag_simple && CONST_INT_P (in_rtx))
+ fputc ('(', outfile);
+ else
+ fprintf (outfile, "(%s", GET_RTX_NAME (GET_CODE (in_rtx)));
+
+ if (! flag_simple)
+ {
+ if (RTX_FLAG (in_rtx, in_struct))
+ fputs ("/s", outfile);
+
+ if (RTX_FLAG (in_rtx, volatil))
+ fputs ("/v", outfile);
+
+ if (RTX_FLAG (in_rtx, unchanging))
+ fputs ("/u", outfile);
+
+ if (RTX_FLAG (in_rtx, frame_related))
+ fputs ("/f", outfile);
+
+ if (RTX_FLAG (in_rtx, jump))
+ fputs ("/j", outfile);
+
+ if (RTX_FLAG (in_rtx, call))
+ fputs ("/c", outfile);
+
+ if (RTX_FLAG (in_rtx, return_val))
+ fputs ("/i", outfile);
+
+ /* Print REG_NOTE names for EXPR_LIST and INSN_LIST. */
+ if ((GET_CODE (in_rtx) == EXPR_LIST
+ || GET_CODE (in_rtx) == INSN_LIST
+ || GET_CODE (in_rtx) == INT_LIST)
+ && (int)GET_MODE (in_rtx) < REG_NOTE_MAX
+ && !in_call_function_usage)
+ fprintf (outfile, ":%s",
+ GET_REG_NOTE_NAME (GET_MODE (in_rtx)));
+
+ /* For other rtl, print the mode if it's not VOID. */
+ else if (GET_MODE (in_rtx) != VOIDmode)
+ fprintf (outfile, ":%s", GET_MODE_NAME (GET_MODE (in_rtx)));
+
+#ifndef GENERATOR_FILE
+ if (GET_CODE (in_rtx) == VAR_LOCATION)
+ {
+ if (TREE_CODE (PAT_VAR_LOCATION_DECL (in_rtx)) == STRING_CST)
+ fputs (" <debug string placeholder>", outfile);
+ else
+ print_mem_expr (outfile, PAT_VAR_LOCATION_DECL (in_rtx));
+ fputc (' ', outfile);
+ print_rtx (PAT_VAR_LOCATION_LOC (in_rtx));
+ if (PAT_VAR_LOCATION_STATUS (in_rtx)
+ == VAR_INIT_STATUS_UNINITIALIZED)
+ fprintf (outfile, " [uninit]");
+ sawclose = 1;
+ i = GET_RTX_LENGTH (VAR_LOCATION);
+ }
+#endif
+ }
+
+#ifndef GENERATOR_FILE
+ if (CONST_DOUBLE_AS_FLOAT_P (in_rtx))
+ i = 5;
+#endif
+
+ /* Get the format string and skip the first elements if we have handled
+ them already. */
+ format_ptr = GET_RTX_FORMAT (GET_CODE (in_rtx)) + i;
+ for (; i < GET_RTX_LENGTH (GET_CODE (in_rtx)); i++)
+ switch (*format_ptr++)
+ {
+ const char *str;
+
+ case 'T':
+ str = XTMPL (in_rtx, i);
+ goto string;
+
+ case 'S':
+ case 's':
+ str = XSTR (in_rtx, i);
+ string:
+
+ if (str == 0)
+ fputs (" \"\"", outfile);
+ else
+ fprintf (outfile, " (\"%s\")", str);
+ sawclose = 1;
+ break;
+
+ /* 0 indicates a field for internal use that should not be printed.
+ An exception is the third field of a NOTE, where it indicates
+ that the field has several different valid contents. */
+ case '0':
+ if (i == 1 && REG_P (in_rtx))
+ {
+ if (REGNO (in_rtx) != ORIGINAL_REGNO (in_rtx))
+ fprintf (outfile, " [%d]", ORIGINAL_REGNO (in_rtx));
+ }
+#ifndef GENERATOR_FILE
+ else if (i == 1 && GET_CODE (in_rtx) == SYMBOL_REF)
+ {
+ int flags = SYMBOL_REF_FLAGS (in_rtx);
+ if (flags)
+ fprintf (outfile, " [flags %#x]", flags);
+ }
+ else if (i == 2 && GET_CODE (in_rtx) == SYMBOL_REF)
+ {
+ tree decl = SYMBOL_REF_DECL (in_rtx);
+ if (decl)
+ print_node_brief (outfile, "", decl, dump_flags);
+ }
+#endif
+ else if (i == 4 && NOTE_P (in_rtx))
+ {
+ switch (NOTE_KIND (in_rtx))
+ {
+ case NOTE_INSN_EH_REGION_BEG:
+ case NOTE_INSN_EH_REGION_END:
+ if (flag_dump_unnumbered)
+ fprintf (outfile, " #");
+ else
+ fprintf (outfile, " %d", NOTE_EH_HANDLER (in_rtx));
+ sawclose = 1;
+ break;
+
+ case NOTE_INSN_BLOCK_BEG:
+ case NOTE_INSN_BLOCK_END:
+#ifndef GENERATOR_FILE
+ dump_addr (outfile, " ", NOTE_BLOCK (in_rtx));
+#endif
+ sawclose = 1;
+ break;
+
+ case NOTE_INSN_BASIC_BLOCK:
+ {
+#ifndef GENERATOR_FILE
+ basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
+ if (bb != 0)
+ fprintf (outfile, " [bb %d]", bb->index);
+#endif
+ break;
+ }
+
+ case NOTE_INSN_DELETED_LABEL:
+ case NOTE_INSN_DELETED_DEBUG_LABEL:
+ {
+ const char *label = NOTE_DELETED_LABEL_NAME (in_rtx);
+ if (label)
+ fprintf (outfile, " (\"%s\")", label);
+ else
+ fprintf (outfile, " \"\"");
+ }
+ break;
+
+ case NOTE_INSN_SWITCH_TEXT_SECTIONS:
+ {
+#ifndef GENERATOR_FILE
+ basic_block bb = NOTE_BASIC_BLOCK (in_rtx);
+ if (bb != 0)
+ fprintf (outfile, " [bb %d]", bb->index);
+#endif
+ break;
+ }
+
+ case NOTE_INSN_VAR_LOCATION:
+ case NOTE_INSN_CALL_ARG_LOCATION:
+#ifndef GENERATOR_FILE
+ fputc (' ', outfile);
+ print_rtx (NOTE_VAR_LOCATION (in_rtx));
+#endif
+ break;
+
+ case NOTE_INSN_CFI:
+#ifndef GENERATOR_FILE
+ fputc ('\n', outfile);
+ output_cfi_directive (outfile, NOTE_CFI (in_rtx));
+ fputc ('\t', outfile);
+#endif
+ break;
+
+ default:
+ break;
+ }
+ }
+ else if (i == 8 && JUMP_P (in_rtx) && JUMP_LABEL (in_rtx) != NULL)
+ {
+ /* Output the JUMP_LABEL reference. */
+ fprintf (outfile, "\n%s%*s -> ", print_rtx_head, indent * 2, "");
+ if (GET_CODE (JUMP_LABEL (in_rtx)) == RETURN)
+ fprintf (outfile, "return");
+ else if (GET_CODE (JUMP_LABEL (in_rtx)) == SIMPLE_RETURN)
+ fprintf (outfile, "simple_return");
+ else
+ fprintf (outfile, "%d", INSN_UID (JUMP_LABEL (in_rtx)));
+ }
+ else if (i == 0 && GET_CODE (in_rtx) == VALUE)
+ {
+#ifndef GENERATOR_FILE
+ cselib_val *val = CSELIB_VAL_PTR (in_rtx);
+
+ fprintf (outfile, " %u:%u", val->uid, val->hash);
+ dump_addr (outfile, " @", in_rtx);
+ dump_addr (outfile, "/", (void*)val);
+#endif
+ }
+ else if (i == 0 && GET_CODE (in_rtx) == DEBUG_EXPR)
+ {
+#ifndef GENERATOR_FILE
+ fprintf (outfile, " D#%i",
+ DEBUG_TEMP_UID (DEBUG_EXPR_TREE_DECL (in_rtx)));
+#endif
+ }
+ else if (i == 0 && GET_CODE (in_rtx) == ENTRY_VALUE)
+ {
+ indent += 2;
+ if (!sawclose)
+ fprintf (outfile, " ");
+ print_rtx (ENTRY_VALUE_EXP (in_rtx));
+ indent -= 2;
+ }
+ break;
+
+ case 'e':
+ do_e:
+ indent += 2;
+ if (i == 7 && INSN_P (in_rtx))
+ /* Put REG_NOTES on their own line. */
+ fprintf (outfile, "\n%s%*s",
+ print_rtx_head, indent * 2, "");
+ if (!sawclose)
+ fprintf (outfile, " ");
+ if (i == 8 && CALL_P (in_rtx))
+ {
+ in_call_function_usage = true;
+ print_rtx (XEXP (in_rtx, i));
+ in_call_function_usage = false;
+ }
+ else
+ print_rtx (XEXP (in_rtx, i));
+ indent -= 2;
+ break;
+
+ case 'E':
+ case 'V':
+ indent += 2;
+ if (sawclose)
+ {
+ fprintf (outfile, "\n%s%*s",
+ print_rtx_head, indent * 2, "");
+ sawclose = 0;
+ }
+ fputs (" [", outfile);
+ if (NULL != XVEC (in_rtx, i))
+ {
+ indent += 2;
+ if (XVECLEN (in_rtx, i))
+ sawclose = 1;
+
+ for (j = 0; j < XVECLEN (in_rtx, i); j++)
+ print_rtx (XVECEXP (in_rtx, i, j));
+
+ indent -= 2;
+ }
+ if (sawclose)
+ fprintf (outfile, "\n%s%*s", print_rtx_head, indent * 2, "");
+
+ fputs ("]", outfile);
+ sawclose = 1;
+ indent -= 2;
+ break;
+
+ case 'w':
+ if (! flag_simple)
+ fprintf (outfile, " ");
+ fprintf (outfile, HOST_WIDE_INT_PRINT_DEC, XWINT (in_rtx, i));
+ if (! flag_simple)
+ fprintf (outfile, " [" HOST_WIDE_INT_PRINT_HEX "]",
+ (unsigned HOST_WIDE_INT) XWINT (in_rtx, i));
+ break;
+
+ case 'i':
+ if (i == 5 && INSN_P (in_rtx))
+ {
+#ifndef GENERATOR_FILE
+ /* Pretty-print insn locations. Ignore scoping as it is mostly
+ redundant with line number information and do not print anything
+ when there is no location information available. */
+ if (INSN_LOCATION (in_rtx) && insn_file (in_rtx))
+ fprintf (outfile, " %s:%i", insn_file (in_rtx),
+ insn_line (in_rtx));
+#endif
+ }
+ else if (i == 6 && GET_CODE (in_rtx) == ASM_OPERANDS)
+ {
+#ifndef GENERATOR_FILE
+ if (ASM_OPERANDS_SOURCE_LOCATION (in_rtx) != UNKNOWN_LOCATION)
+ fprintf (outfile, " %s:%i",
+ LOCATION_FILE (ASM_OPERANDS_SOURCE_LOCATION (in_rtx)),
+ LOCATION_LINE (ASM_OPERANDS_SOURCE_LOCATION (in_rtx)));
+#endif
+ }
+ else if (i == 1 && GET_CODE (in_rtx) == ASM_INPUT)
+ {
+#ifndef GENERATOR_FILE
+ if (ASM_INPUT_SOURCE_LOCATION (in_rtx) != UNKNOWN_LOCATION)
+ fprintf (outfile, " %s:%i",
+ LOCATION_FILE (ASM_INPUT_SOURCE_LOCATION (in_rtx)),
+ LOCATION_LINE (ASM_INPUT_SOURCE_LOCATION (in_rtx)));
+#endif
+ }
+ else if (i == 6 && NOTE_P (in_rtx))
+ {
+ /* This field is only used for NOTE_INSN_DELETED_LABEL, and
+ other times often contains garbage from INSN->NOTE death. */
+ if (NOTE_KIND (in_rtx) == NOTE_INSN_DELETED_LABEL
+ || NOTE_KIND (in_rtx) == NOTE_INSN_DELETED_DEBUG_LABEL)
+ fprintf (outfile, " %d", XINT (in_rtx, i));
+ }
+#if !defined(GENERATOR_FILE) && NUM_UNSPECV_VALUES > 0
+ else if (i == 1
+ && GET_CODE (in_rtx) == UNSPEC_VOLATILE
+ && XINT (in_rtx, 1) >= 0
+ && XINT (in_rtx, 1) < NUM_UNSPECV_VALUES)
+ fprintf (outfile, " %s", unspecv_strings[XINT (in_rtx, 1)]);
+#endif
+#if !defined(GENERATOR_FILE) && NUM_UNSPEC_VALUES > 0
+ else if (i == 1
+ && (GET_CODE (in_rtx) == UNSPEC
+ || GET_CODE (in_rtx) == UNSPEC_VOLATILE)
+ && XINT (in_rtx, 1) >= 0
+ && XINT (in_rtx, 1) < NUM_UNSPEC_VALUES)
+ fprintf (outfile, " %s", unspec_strings[XINT (in_rtx, 1)]);
+#endif
+ else
+ {
+ int value = XINT (in_rtx, i);
+ const char *name;
+
+#ifndef GENERATOR_FILE
+ if (REG_P (in_rtx) && (unsigned) value < FIRST_PSEUDO_REGISTER)
+ fprintf (outfile, " %d %s", value, reg_names[value]);
+ else if (REG_P (in_rtx)
+ && (unsigned) value <= LAST_VIRTUAL_REGISTER)
+ {
+ if (value == VIRTUAL_INCOMING_ARGS_REGNUM)
+ fprintf (outfile, " %d virtual-incoming-args", value);
+ else if (value == VIRTUAL_STACK_VARS_REGNUM)
+ fprintf (outfile, " %d virtual-stack-vars", value);
+ else if (value == VIRTUAL_STACK_DYNAMIC_REGNUM)
+ fprintf (outfile, " %d virtual-stack-dynamic", value);
+ else if (value == VIRTUAL_OUTGOING_ARGS_REGNUM)
+ fprintf (outfile, " %d virtual-outgoing-args", value);
+ else if (value == VIRTUAL_CFA_REGNUM)
+ fprintf (outfile, " %d virtual-cfa", value);
+ else if (value == VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM)
+ fprintf (outfile, " %d virtual-preferred-stack-boundary",
+ value);
+ else
+ fprintf (outfile, " %d virtual-reg-%d", value,
+ value-FIRST_VIRTUAL_REGISTER);
+ }
+ else
+#endif
+ if (flag_dump_unnumbered
+ && (is_insn || NOTE_P (in_rtx)))
+ fputc ('#', outfile);
+ else
+ fprintf (outfile, " %d", value);
+
+#ifndef GENERATOR_FILE
+ if (REG_P (in_rtx) && REG_ATTRS (in_rtx))
+ {
+ fputs (" [", outfile);
+ if (ORIGINAL_REGNO (in_rtx) != REGNO (in_rtx))
+ fprintf (outfile, "orig:%i", ORIGINAL_REGNO (in_rtx));
+ if (REG_EXPR (in_rtx))
+ print_mem_expr (outfile, REG_EXPR (in_rtx));
+
+ if (REG_OFFSET (in_rtx))
+ fprintf (outfile, "+" HOST_WIDE_INT_PRINT_DEC,
+ REG_OFFSET (in_rtx));
+ fputs (" ]", outfile);
+ }
+#endif
+
+ if (is_insn && &INSN_CODE (in_rtx) == &XINT (in_rtx, i)
+ && XINT (in_rtx, i) >= 0
+ && (name = get_insn_name (XINT (in_rtx, i))) != NULL)
+ fprintf (outfile, " {%s}", name);
+ sawclose = 0;
+ }
+ break;
+
+ /* Print NOTE_INSN names rather than integer codes. */
+
+ case 'n':
+ fprintf (outfile, " %s", GET_NOTE_INSN_NAME (XINT (in_rtx, i)));
+ sawclose = 0;
+ break;
+
+ case 'u':
+ if (XEXP (in_rtx, i) != NULL)
+ {
+ rtx sub = XEXP (in_rtx, i);
+ enum rtx_code subc = GET_CODE (sub);
+
+ if (GET_CODE (in_rtx) == LABEL_REF)
+ {
+ if (subc == NOTE
+ && NOTE_KIND (sub) == NOTE_INSN_DELETED_LABEL)
+ {
+ if (flag_dump_unnumbered)
+ fprintf (outfile, " [# deleted]");
+ else
+ fprintf (outfile, " [%d deleted]", INSN_UID (sub));
+ sawclose = 0;
+ break;
+ }
+
+ if (subc != CODE_LABEL)
+ goto do_e;
+ }
+
+ if (flag_dump_unnumbered
+ || (flag_dump_unnumbered_links && (i == 1 || i == 2)
+ && (INSN_P (in_rtx) || NOTE_P (in_rtx)
+ || LABEL_P (in_rtx) || BARRIER_P (in_rtx))))
+ fputs (" #", outfile);
+ else
+ fprintf (outfile, " %d", INSN_UID (sub));
+ }
+ else
+ fputs (" 0", outfile);
+ sawclose = 0;
+ break;
+
+ case 't':
+#ifndef GENERATOR_FILE
+ if (i == 0 && GET_CODE (in_rtx) == DEBUG_IMPLICIT_PTR)
+ print_mem_expr (outfile, DEBUG_IMPLICIT_PTR_DECL (in_rtx));
+ else if (i == 0 && GET_CODE (in_rtx) == DEBUG_PARAMETER_REF)
+ print_mem_expr (outfile, DEBUG_PARAMETER_REF_DECL (in_rtx));
+ else
+ dump_addr (outfile, " ", XTREE (in_rtx, i));
+#endif
+ break;
+
+ case '*':
+ fputs (" Unknown", outfile);
+ sawclose = 0;
+ break;
+
+ case 'B':
+#ifndef GENERATOR_FILE
+ if (XBBDEF (in_rtx, i))
+ fprintf (outfile, " %i", XBBDEF (in_rtx, i)->index);
+#endif
+ break;
+
+ default:
+ gcc_unreachable ();
+ }
+
+ switch (GET_CODE (in_rtx))
+ {
+#ifndef GENERATOR_FILE
+ case MEM:
+ if (__builtin_expect (final_insns_dump_p, false))
+ fprintf (outfile, " [");
+ else
+ fprintf (outfile, " [" HOST_WIDE_INT_PRINT_DEC,
+ (HOST_WIDE_INT) MEM_ALIAS_SET (in_rtx));
+
+ if (MEM_EXPR (in_rtx))
+ print_mem_expr (outfile, MEM_EXPR (in_rtx));
+ else
+ fputc (' ', outfile);
+
+ if (MEM_OFFSET_KNOWN_P (in_rtx))
+ fprintf (outfile, "+" HOST_WIDE_INT_PRINT_DEC, MEM_OFFSET (in_rtx));
+
+ if (MEM_SIZE_KNOWN_P (in_rtx))
+ fprintf (outfile, " S" HOST_WIDE_INT_PRINT_DEC, MEM_SIZE (in_rtx));
+
+ if (MEM_ALIGN (in_rtx) != 1)
+ fprintf (outfile, " A%u", MEM_ALIGN (in_rtx));
+
+ if (!ADDR_SPACE_GENERIC_P (MEM_ADDR_SPACE (in_rtx)))
+ fprintf (outfile, " AS%u", MEM_ADDR_SPACE (in_rtx));
+
+ fputc (']', outfile);
+ break;
+
+ case CONST_DOUBLE:
+ if (FLOAT_MODE_P (GET_MODE (in_rtx)))
+ {
+ char s[60];
+
+ real_to_decimal (s, CONST_DOUBLE_REAL_VALUE (in_rtx),
+ sizeof (s), 0, 1);
+ fprintf (outfile, " %s", s);
+
+ real_to_hexadecimal (s, CONST_DOUBLE_REAL_VALUE (in_rtx),
+ sizeof (s), 0, 1);
+ fprintf (outfile, " [%s]", s);
+ }
+ break;
+#endif
+
+ case CODE_LABEL:
+ fprintf (outfile, " [%d uses]", LABEL_NUSES (in_rtx));
+ switch (LABEL_KIND (in_rtx))
+ {
+ case LABEL_NORMAL: break;
+ case LABEL_STATIC_ENTRY: fputs (" [entry]", outfile); break;
+ case LABEL_GLOBAL_ENTRY: fputs (" [global entry]", outfile); break;
+ case LABEL_WEAK_ENTRY: fputs (" [weak entry]", outfile); break;
+ default: gcc_unreachable ();
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ fputc (')', outfile);
+ sawclose = 1;
+}
+
+/* Print an rtx on the current line of FILE. Initially indent IND
+ characters. */
+
+void
+print_inline_rtx (FILE *outf, const_rtx x, int ind)
+{
+ int oldsaw = sawclose;
+ int oldindent = indent;
+
+ sawclose = 0;
+ indent = ind;
+ outfile = outf;
+ print_rtx (x);
+ sawclose = oldsaw;
+ indent = oldindent;
+}
+
+/* Call this function from the debugger to see what X looks like. */
+
+DEBUG_FUNCTION void
+debug_rtx (const_rtx x)
+{
+ outfile = stderr;
+ sawclose = 0;
+ print_rtx (x);
+ fprintf (stderr, "\n");
+}
+
+/* Dump rtx REF. */
+
+DEBUG_FUNCTION void
+debug (const rtx_def &ref)
+{
+ debug_rtx (&ref);
+}
+
+DEBUG_FUNCTION void
+debug (const rtx_def *ptr)
+{
+ if (ptr)
+ debug (*ptr);
+ else
+ fprintf (stderr, "<nil>\n");
+}
+
+/* Count of rtx's to print with debug_rtx_list.
+ This global exists because gdb user defined commands have no arguments. */
+
+DEBUG_VARIABLE int debug_rtx_count = 0; /* 0 is treated as equivalent to 1 */
+
+/* Call this function to print list from X on.
+
+ N is a count of the rtx's to print. Positive values print from the specified
+ rtx on. Negative values print a window around the rtx.
+ EG: -5 prints 2 rtx's on either side (in addition to the specified rtx). */
+
+DEBUG_FUNCTION void
+debug_rtx_list (const_rtx x, int n)
+{
+ int i,count;
+ const_rtx insn;
+
+ count = n == 0 ? 1 : n < 0 ? -n : n;
+
+ /* If we are printing a window, back up to the start. */
+
+ if (n < 0)
+ for (i = count / 2; i > 0; i--)
+ {
+ if (PREV_INSN (x) == 0)
+ break;
+ x = PREV_INSN (x);
+ }
+
+ for (i = count, insn = x; i > 0 && insn != 0; i--, insn = NEXT_INSN (insn))
+ {
+ debug_rtx (insn);
+ fprintf (stderr, "\n");
+ }
+}
+
+/* Call this function to print an rtx list from START to END inclusive. */
+
+DEBUG_FUNCTION void
+debug_rtx_range (const_rtx start, const_rtx end)
+{
+ while (1)
+ {
+ debug_rtx (start);
+ fprintf (stderr, "\n");
+ if (!start || start == end)
+ break;
+ start = NEXT_INSN (start);
+ }
+}
+
+/* Call this function to search an rtx list to find one with insn uid UID,
+ and then call debug_rtx_list to print it, using DEBUG_RTX_COUNT.
+ The found insn is returned to enable further debugging analysis. */
+
+DEBUG_FUNCTION const_rtx
+debug_rtx_find (const_rtx x, int uid)
+{
+ while (x != 0 && INSN_UID (x) != uid)
+ x = NEXT_INSN (x);
+ if (x != 0)
+ {
+ debug_rtx_list (x, debug_rtx_count);
+ return x;
+ }
+ else
+ {
+ fprintf (stderr, "insn uid %d not found\n", uid);
+ return 0;
+ }
+}
+
+/* External entry point for printing a chain of insns
+ starting with RTX_FIRST onto file OUTF.
+ A blank line separates insns.
+
+ If RTX_FIRST is not an insn, then it alone is printed, with no newline. */
+
+void
+print_rtl (FILE *outf, const_rtx rtx_first)
+{
+ const_rtx tmp_rtx;
+
+ outfile = outf;
+ sawclose = 0;
+
+ if (rtx_first == 0)
+ {
+ fputs (print_rtx_head, outf);
+ fputs ("(nil)\n", outf);
+ }
+ else
+ switch (GET_CODE (rtx_first))
+ {
+ case INSN:
+ case JUMP_INSN:
+ case CALL_INSN:
+ case NOTE:
+ case CODE_LABEL:
+ case JUMP_TABLE_DATA:
+ case BARRIER:
+ for (tmp_rtx = rtx_first; tmp_rtx != 0; tmp_rtx = NEXT_INSN (tmp_rtx))
+ {
+ fputs (print_rtx_head, outfile);
+ print_rtx (tmp_rtx);
+ fprintf (outfile, "\n");
+ }
+ break;
+
+ default:
+ fputs (print_rtx_head, outfile);
+ print_rtx (rtx_first);
+ }
+}
+
+/* Like print_rtx, except specify a file. */
+/* Return nonzero if we actually printed anything. */
+
+int
+print_rtl_single (FILE *outf, const_rtx x)
+{
+ return print_rtl_single_with_indent (outf, x, 0);
+}
+
+/* Like print_rtl_single, except specify a file and indentation. */
+
+int
+print_rtl_single_with_indent (FILE *outf, const_rtx x, int ind)
+{
+ int old_indent = indent;
+ char *s_indent = (char *) alloca ((size_t) ind + 1);
+ memset ((void *) s_indent, ' ', (size_t) ind);
+ s_indent[ind] = '\0';
+
+ indent = ind;
+ outfile = outf;
+ sawclose = 0;
+ fputs (s_indent, outfile);
+ fputs (print_rtx_head, outfile);
+ print_rtx (x);
+ putc ('\n', outf);
+ indent = old_indent;
+ return 1;
+}
+
+
+/* Like print_rtl except without all the detail; for example,
+ if RTX is a CONST_INT then print in decimal format. */
+
+void
+print_simple_rtl (FILE *outf, const_rtx x)
+{
+ flag_simple = 1;
+ print_rtl (outf, x);
+ flag_simple = 0;
+}