diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/print-rtl.c')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/print-rtl.c | 808 |
1 files changed, 0 insertions, 808 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/print-rtl.c b/gcc-4.2.1-5666.3/gcc/print-rtl.c deleted file mode 100644 index 36142d529..000000000 --- a/gcc-4.2.1-5666.3/gcc/print-rtl.c +++ /dev/null @@ -1,808 +0,0 @@ -/* Print RTL for GCC. - Copyright (C) 1987, 1988, 1992, 1997, 1998, 1999, 2000, 2002, 2003, - 2004, 2005 - 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 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. */ - -/* 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 "real.h" -#include "flags.h" -#include "hard-reg-set.h" -#include "basic-block.h" -#endif - -static FILE *outfile; - -static int sawclose = 0; - -static int indent; - -static void print_rtx (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 = ""; - -/* Nonzero means suppress output of instruction numbers and line number - notes in debugging dumps. - This must be defined here so that programs like gencodes can be linked. */ -int flag_dump_unnumbered = 0; - -/* Nonzero means use simplified format without flags, modes, etc. */ -int flag_simple = 0; - -/* Nonzero if we are dumping graphical description. */ -int dump_for_graph; - -#ifndef GENERATOR_FILE -static void -print_decl_name (FILE *outfile, tree node) -{ - if (DECL_NAME (node)) - fputs (IDENTIFIER_POINTER (DECL_NAME (node)), outfile); - else - { - if (TREE_CODE (node) == LABEL_DECL && LABEL_DECL_UID (node) != -1) - fprintf (outfile, "L." HOST_WIDE_INT_PRINT_DEC, LABEL_DECL_UID (node)); - else - { - char c = TREE_CODE (node) == CONST_DECL ? 'C' : 'D'; - fprintf (outfile, "%c.%u", c, DECL_UID (node)); - } - } -} - -void -print_mem_expr (FILE *outfile, tree expr) -{ - if (TREE_CODE (expr) == COMPONENT_REF) - { - if (TREE_OPERAND (expr, 0)) - print_mem_expr (outfile, TREE_OPERAND (expr, 0)); - else - fputs (" <variable>", outfile); - fputc ('.', outfile); - print_decl_name (outfile, TREE_OPERAND (expr, 1)); - } - else if (TREE_CODE (expr) == INDIRECT_REF) - { - fputs (" (*", outfile); - print_mem_expr (outfile, TREE_OPERAND (expr, 0)); - fputs (")", outfile); - } - else if (TREE_CODE (expr) == ALIGN_INDIRECT_REF) - { - fputs (" (A*", outfile); - print_mem_expr (outfile, TREE_OPERAND (expr, 0)); - fputs (")", outfile); - } - else if (TREE_CODE (expr) == MISALIGNED_INDIRECT_REF) - { - fputs (" (M*", outfile); - print_mem_expr (outfile, TREE_OPERAND (expr, 0)); - fputs (")", outfile); - } - else if (TREE_CODE (expr) == RESULT_DECL) - fputs (" <result>", outfile); - else - { - fputc (' ', outfile); - print_decl_name (outfile, expr); - } -} -#endif - -/* Print IN_RTX onto OUTFILE. This is the recursive part of printing. */ - -static void -print_rtx (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)", GET_CODE (in_rtx)); - sawclose = 1; - return; - } - - is_insn = INSN_P (in_rtx); - - /* When printing in VCG format we write INSNs, NOTE, LABEL, and BARRIER - in separate nodes and therefore have to handle them special here. */ - if (dump_for_graph - && (is_insn || NOTE_P (in_rtx) - || LABEL_P (in_rtx) || BARRIER_P (in_rtx))) - { - i = 3; - indent = 0; - } - else - { - /* Print name of expression code. */ - if (flag_simple && GET_CODE (in_rtx) == CONST_INT) - 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) - 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) == CONST_DOUBLE && FLOAT_MODE_P (GET_MODE (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 (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile); - else - { - if (dump_for_graph) - fprintf (outfile, " (\\\"%s\\\")", str); - 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 0x%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, 0); - } -#endif - else if (i == 4 && NOTE_P (in_rtx)) - { - switch (NOTE_LINE_NUMBER (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_EXPECTED_VALUE: - indent += 2; - if (!sawclose) - fprintf (outfile, " "); - print_rtx (NOTE_EXPECTED_VALUE (in_rtx)); - indent -= 2; - break; - - case NOTE_INSN_DELETED_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: -#ifndef GENERATOR_FILE - fprintf (outfile, " ("); - print_mem_expr (outfile, NOTE_VAR_LOCATION_DECL (in_rtx)); - fprintf (outfile, " "); - print_rtx (NOTE_VAR_LOCATION_LOC (in_rtx)); - /* APPLE LOCAL begin track initialization status 4964532 */ - if (NOTE_VAR_LOCATION_STATUS (in_rtx) == STATUS_UNINITIALIZED) - fprintf (outfile, " [uninit]"); - /* APPLE LOCAL end track initialization status 4964532 */ - fprintf (outfile, ")"); -#endif - break; - - default: - { - const char * const str = X0STR (in_rtx, i); - - if (NOTE_LINE_NUMBER (in_rtx) < 0) - ; - else if (str == 0) - fputs (dump_for_graph ? " \\\"\\\"" : " \"\"", outfile); - else - { - if (dump_for_graph) - fprintf (outfile, " (\\\"%s\\\")", str); - else - fprintf (outfile, " (\"%s\")", str); - } - break; - } - } - } - break; - - case 'e': - do_e: - indent += 2; - if (!sawclose) - fprintf (outfile, " "); - 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 "]", - XWINT (in_rtx, i)); - break; - - case 'i': - if (i == 4 && INSN_P (in_rtx)) - { -#ifndef GENERATOR_FILE - /* Pretty-print insn locators. 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_LOCATOR (in_rtx) && insn_file (in_rtx)) - fprintf(outfile, " %s:%i", insn_file (in_rtx), insn_line (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_LINE_NUMBER (in_rtx) == NOTE_INSN_DELETED_LABEL) - fprintf (outfile, " %d", XINT (in_rtx, i)); - } - else - { - int value = XINT (in_rtx, i); - const char *name; - -#ifndef GENERATOR_FILE - if (REG_P (in_rtx) && value < FIRST_PSEUDO_REGISTER) - fprintf (outfile, " %d %s", REGNO (in_rtx), - reg_names[REGNO (in_rtx)]); - else if (REG_P (in_rtx) - && 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 - 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': - if (XINT (in_rtx, i) >= (int) NOTE_INSN_BIAS - && XINT (in_rtx, i) < (int) NOTE_INSN_MAX) - fprintf (outfile, " %s", GET_NOTE_INSN_NAME (XINT (in_rtx, i))); - else - fprintf (outfile, " %d", 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_LINE_NUMBER (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) - fputs (" #", outfile); - else - fprintf (outfile, " %d", INSN_UID (sub)); - } - else - fputs (" 0", outfile); - 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)); -#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: - fprintf (outfile, " [" HOST_WIDE_INT_PRINT_DEC, MEM_ALIAS_SET (in_rtx)); - - if (MEM_EXPR (in_rtx)) - print_mem_expr (outfile, MEM_EXPR (in_rtx)); - - if (MEM_OFFSET (in_rtx)) - fprintf (outfile, "+" HOST_WIDE_INT_PRINT_DEC, - INTVAL (MEM_OFFSET (in_rtx))); - - if (MEM_SIZE (in_rtx)) - fprintf (outfile, " S" HOST_WIDE_INT_PRINT_DEC, - INTVAL (MEM_SIZE (in_rtx))); - - if (MEM_ALIGN (in_rtx) != 1) - fprintf (outfile, " A%u", MEM_ALIGN (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 (); - } -/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \ - if (LABEL_ALIGN_LOG (in_rtx) > 0) - fprintf (outfile, " [log_align %u skip %u]", LABEL_ALIGN_LOG (in_rtx), - LABEL_MAX_SKIP (in_rtx)); -/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \ - break; - - default: - break; - } - - if (dump_for_graph - && (is_insn || NOTE_P (in_rtx) - || LABEL_P (in_rtx) || BARRIER_P (in_rtx))) - sawclose = 0; - else - { - fputc (')', outfile); - sawclose = 1; - } -} - -/* Print an rtx on the current line of FILE. Initially indent IND - characters. */ - -void -print_inline_rtx (FILE *outf, 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. */ - -void -debug_rtx (rtx x) -{ - outfile = stderr; - sawclose = 0; - print_rtx (x); - fprintf (stderr, "\n"); -} - -/* Count of rtx's to print with debug_rtx_list. - This global exists because gdb user defined commands have no arguments. */ - -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). */ - -void -debug_rtx_list (rtx x, int n) -{ - int i,count; - 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. */ - -void -debug_rtx_range (rtx start, 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. */ - -rtx -debug_rtx_find (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, rtx rtx_first) -{ - 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 BARRIER: - for (tmp_rtx = rtx_first; tmp_rtx != 0; tmp_rtx = NEXT_INSN (tmp_rtx)) - if (! flag_dump_unnumbered - || !NOTE_P (tmp_rtx) || NOTE_LINE_NUMBER (tmp_rtx) < 0) - { - 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, rtx x) -{ - outfile = outf; - sawclose = 0; - if (! flag_dump_unnumbered - || !NOTE_P (x) || NOTE_LINE_NUMBER (x) < 0) - { - fputs (print_rtx_head, outfile); - print_rtx (x); - putc ('\n', outf); - return 1; - } - return 0; -} - - -/* 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, rtx x) -{ - flag_simple = 1; - print_rtl (outf, x); - flag_simple = 0; -} |