/* Print RTL for GCC.
- Copyright (C) 1987-2016 Free Software Foundation, Inc.
+ Copyright (C) 1987-2019 Free Software Foundation, Inc.
This file is part of GCC.
#ifndef GENERATOR_FILE
#include "alias.h"
#include "tree.h"
-#include "cfg.h"
+#include "basic-block.h"
#include "print-tree.h"
#include "flags.h"
#include "predict.h"
#include "function.h"
+#include "cfg.h"
#include "basic-block.h"
#include "diagnostic.h"
#include "tree-pretty-print.h"
#endif
#include "print-rtl.h"
+#include "rtl-iter.h"
/* 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
/* Constructor for rtx_writer. */
-rtx_writer::rtx_writer (FILE *outf, int ind, bool simple, bool compact)
+rtx_writer::rtx_writer (FILE *outf, int ind, bool simple, bool compact,
+ rtx_reuse_manager *reuse_manager)
: m_outfile (outf), m_sawclose (0), m_indent (ind),
- m_in_call_function_usage (false), m_simple (simple), m_compact (compact)
+ m_in_call_function_usage (false), m_simple (simple), m_compact (compact),
+ m_rtx_reuse_manager (reuse_manager)
{
}
+#ifndef GENERATOR_FILE
+
+/* rtx_reuse_manager's ctor. */
+
+rtx_reuse_manager::rtx_reuse_manager ()
+: m_next_id (0)
+{
+}
+
+/* Determine if X is of a kind suitable for dumping via reuse_rtx. */
+
+static bool
+uses_rtx_reuse_p (const_rtx x)
+{
+ if (x == NULL)
+ return false;
+
+ switch (GET_CODE (x))
+ {
+ case DEBUG_EXPR:
+ case VALUE:
+ case SCRATCH:
+ return true;
+
+ /* We don't use reuse_rtx for consts. */
+ CASE_CONST_UNIQUE:
+ default:
+ return false;
+ }
+}
+
+/* Traverse X and its descendents, determining if we see any rtx more than
+ once. Any rtx suitable for "reuse_rtx" that is seen more than once is
+ assigned an ID. */
+
+void
+rtx_reuse_manager::preprocess (const_rtx x)
+{
+ subrtx_iterator::array_type array;
+ FOR_EACH_SUBRTX (iter, array, x, NONCONST)
+ if (uses_rtx_reuse_p (*iter))
+ {
+ if (int *count = m_rtx_occurrence_count.get (*iter))
+ {
+ if (*(count++) == 1)
+ m_rtx_reuse_ids.put (*iter, m_next_id++);
+ }
+ else
+ m_rtx_occurrence_count.put (*iter, 1);
+ }
+}
+
+/* Return true iff X has been assigned a reuse ID. If it has,
+ and OUT is non-NULL, then write the reuse ID to *OUT. */
+
+bool
+rtx_reuse_manager::has_reuse_id (const_rtx x, int *out)
+{
+ int *id = m_rtx_reuse_ids.get (x);
+ if (id)
+ {
+ if (out)
+ *out = *id;
+ return true;
+ }
+ else
+ return false;
+}
+
+/* Determine if set_seen_def has been called for the given reuse ID. */
+
+bool
+rtx_reuse_manager::seen_def_p (int reuse_id)
+{
+ return bitmap_bit_p (m_defs_seen, reuse_id);
+}
+
+/* Record that the definition of the given reuse ID has been seen. */
+
+void
+rtx_reuse_manager::set_seen_def (int reuse_id)
+{
+ bitmap_set_bit (m_defs_seen, reuse_id);
+}
+
+#endif /* #ifndef GENERATOR_FILE */
+
#ifndef GENERATOR_FILE
void
print_mem_expr (FILE *outfile, const_tree expr)
}
#endif
+/* Print X to FILE. */
+
+static void
+print_poly_int (FILE *file, poly_int64 x)
+{
+ HOST_WIDE_INT const_x;
+ if (x.is_constant (&const_x))
+ fprintf (file, HOST_WIDE_INT_PRINT_DEC, const_x);
+ else
+ {
+ fprintf (file, "[" HOST_WIDE_INT_PRINT_DEC, x.coeffs[0]);
+ for (int i = 1; i < NUM_POLY_INT_COEFFS; ++i)
+ fprintf (file, ", " HOST_WIDE_INT_PRINT_DEC, x.coeffs[i]);
+ fprintf (file, "]");
+ }
+}
+
/* Subroutine of print_rtx_operand for handling code '0'.
0 indicates a field for internal use that should not be printed.
However there are various special cases, such as the third field
}
case NOTE_INSN_VAR_LOCATION:
- case NOTE_INSN_CALL_ARG_LOCATION:
fputc (' ', m_outfile);
print_rtx (NOTE_VAR_LOCATION (in_rtx));
break;
fputc ('\t', m_outfile);
break;
+ case NOTE_INSN_BEGIN_STMT:
+ case NOTE_INSN_INLINE_ENTRY:
+#ifndef GENERATOR_FILE
+ {
+ expanded_location xloc
+ = expand_location (NOTE_MARKER_LOCATION (in_rtx));
+ fprintf (m_outfile, " %s:%i", xloc.file, xloc.line);
+ }
+#endif
+ break;
+
default:
break;
}
m_sawclose = 0;
}
fputs (" [", m_outfile);
- if (NULL != XVEC (in_rtx, idx))
+ if (XVEC (in_rtx, idx) != NULL)
{
m_indent += 2;
if (XVECLEN (in_rtx, idx))
m_sawclose = 1;
for (int j = 0; j < XVECLEN (in_rtx, idx); j++)
- print_rtx (XVECEXP (in_rtx, idx, j));
+ {
+ int j1;
+
+ print_rtx (XVECEXP (in_rtx, idx, j));
+ for (j1 = j + 1; j1 < XVECLEN (in_rtx, idx); j1++)
+ if (XVECEXP (in_rtx, idx, j) != XVECEXP (in_rtx, idx, j1))
+ break;
+
+ if (j1 != j + 1)
+ {
+ fprintf (m_outfile, " repeated x%i", j1 - j);
+ j = j1 - 1;
+ }
+ }
m_indent -= 2;
}
if (INSN_HAS_LOCATION (in_insn))
{
expanded_location xloc = insn_location (in_insn);
- fprintf (m_outfile, " \"%s\":%i", xloc.file, xloc.line);
+ fprintf (m_outfile, " \"%s\":%i:%i", xloc.file, xloc.line,
+ xloc.column);
}
#endif
}
fputc ('#', m_outfile);
else if (m_compact)
{
- /* In compact mode, print pseudos with a '%' sigil following
- by the regno, offset by (LAST_VIRTUAL_REGISTER + 1), so that the
- first non-virtual pseudo is dumped as "%0". */
+ /* In compact mode, print pseudos with '< and '>' wrapping the regno,
+ offseting it by (LAST_VIRTUAL_REGISTER + 1), so that the
+ first non-virtual pseudo is dumped as "<0>". */
gcc_assert (regno > LAST_VIRTUAL_REGISTER);
- fprintf (m_outfile, " %%%d", regno - (LAST_VIRTUAL_REGISTER + 1));
+ fprintf (m_outfile, " <%d>", regno - (LAST_VIRTUAL_REGISTER + 1));
}
else
fprintf (m_outfile, " %d", regno);
if (REG_EXPR (in_rtx))
print_mem_expr (m_outfile, REG_EXPR (in_rtx));
- if (REG_OFFSET (in_rtx))
- fprintf (m_outfile, "+" HOST_WIDE_INT_PRINT_DEC,
- REG_OFFSET (in_rtx));
+ if (maybe_ne (REG_OFFSET (in_rtx), 0))
+ {
+ fprintf (m_outfile, "+");
+ print_poly_int (m_outfile, REG_OFFSET (in_rtx));
+ }
fputs (" ]", m_outfile);
}
if (regno != ORIGINAL_REGNO (in_rtx))
void
rtx_writer::print_rtx_operand_code_u (const_rtx in_rtx, int idx)
{
- /* Don't print insn UIDs in compact mode, apart from in LABEL_REFs. */
- if (m_compact && GET_CODE (in_rtx) != LABEL_REF)
+ /* Don't print insn UIDs for PREV/NEXT_INSN in compact mode. */
+ if (m_compact && INSN_CHAIN_CODE_P (GET_CODE (in_rtx)) && idx < 2)
return;
if (XEXP (in_rtx, idx) != NULL)
string:
if (str == 0)
- fputs (" \"\"", m_outfile);
+ fputs (" (nil)", m_outfile);
else
fprintf (m_outfile, " (\"%s\")", str);
m_sawclose = 1;
print_rtx_operand_code_i (in_rtx, idx);
break;
+ case 'p':
+ fprintf (m_outfile, " ");
+ print_poly_int (m_outfile, SUBREG_BYTE (in_rtx));
+ break;
+
case 'r':
print_rtx_operand_code_r (in_rtx);
break;
}
}
+/* Subroutine of rtx_writer::print_rtx.
+ In compact mode, determine if operand IDX of IN_RTX is interesting
+ to dump, or (if in a trailing position) it can be omitted. */
+
+bool
+rtx_writer::operand_has_default_value_p (const_rtx in_rtx, int idx)
+{
+ const char *format_ptr = GET_RTX_FORMAT (GET_CODE (in_rtx));
+
+ switch (format_ptr[idx])
+ {
+ case 'e':
+ case 'u':
+ return XEXP (in_rtx, idx) == NULL_RTX;
+
+ case 's':
+ return XSTR (in_rtx, idx) == NULL;
+
+ case '0':
+ switch (GET_CODE (in_rtx))
+ {
+ case JUMP_INSN:
+ /* JUMP_LABELs are always omitted in compact mode, so treat
+ any value here as omittable, so that earlier operands can
+ potentially be omitted also. */
+ return m_compact;
+
+ default:
+ return false;
+
+ }
+
+ default:
+ return false;
+ }
+}
+
/* Print IN_RTX onto m_outfile. This is the recursive part of printing. */
void
return;
}
+ fputc ('(', m_outfile);
+
/* Print name of expression code. */
+ /* Handle reuse. */
+#ifndef GENERATOR_FILE
+ if (m_rtx_reuse_manager)
+ {
+ int reuse_id;
+ if (m_rtx_reuse_manager->has_reuse_id (in_rtx, &reuse_id))
+ {
+ /* Have we already seen the defn of this rtx? */
+ if (m_rtx_reuse_manager->seen_def_p (reuse_id))
+ {
+ fprintf (m_outfile, "reuse_rtx %i)", reuse_id);
+ m_sawclose = 1;
+ return;
+ }
+ else
+ {
+ /* First time we've seen this reused-rtx. */
+ fprintf (m_outfile, "%i|", reuse_id);
+ m_rtx_reuse_manager->set_seen_def (reuse_id);
+ }
+ }
+ }
+#endif /* #ifndef GENERATOR_FILE */
+
/* In compact mode, prefix the code of insns with "c",
giving "cinsn", "cnote" etc. */
if (m_compact && is_a <const rtx_insn *, const struct rtx_def> (in_rtx))
just "clabel". */
rtx_code code = GET_CODE (in_rtx);
if (code == CODE_LABEL)
- fprintf (m_outfile, "(clabel");
+ fprintf (m_outfile, "clabel");
else
- fprintf (m_outfile, "(c%s", GET_RTX_NAME (code));
+ fprintf (m_outfile, "c%s", GET_RTX_NAME (code));
}
else if (m_simple && CONST_INT_P (in_rtx))
- fputc ('(', m_outfile);
+ ; /* no code. */
else
- fprintf (m_outfile, "(%s", GET_RTX_NAME (GET_CODE (in_rtx)));
+ fprintf (m_outfile, "%s", GET_RTX_NAME (GET_CODE (in_rtx)));
if (! m_simple)
{
idx = 5;
#endif
- /* For insns, print the INSN_UID.
- In compact mode, we only print the INSN_UID of CODE_LABELs. */
- if (INSN_CHAIN_CODE_P (GET_CODE (in_rtx))
- && (!m_compact || GET_CODE (in_rtx) == CODE_LABEL))
+ /* For insns, print the INSN_UID. */
+ if (INSN_CHAIN_CODE_P (GET_CODE (in_rtx)))
{
if (flag_dump_unnumbered)
fprintf (m_outfile, " #");
fprintf (m_outfile, " %d", INSN_UID (in_rtx));
}
+ /* Determine which is the final operand to print.
+ In compact mode, skip trailing operands that have the default values
+ e.g. trailing "(nil)" values. */
+ int limit = GET_RTX_LENGTH (GET_CODE (in_rtx));
+ if (m_compact)
+ while (limit > idx && operand_has_default_value_p (in_rtx, limit - 1))
+ limit--;
+
/* Get the format string and skip the first elements if we have handled
them already. */
- for (; idx < GET_RTX_LENGTH (GET_CODE (in_rtx)); idx++)
+
+ for (; idx < limit; idx++)
print_rtx_operand (in_rtx, idx);
switch (GET_CODE (in_rtx))
fputc (' ', m_outfile);
if (MEM_OFFSET_KNOWN_P (in_rtx))
- fprintf (m_outfile, "+" HOST_WIDE_INT_PRINT_DEC, MEM_OFFSET (in_rtx));
+ {
+ fprintf (m_outfile, "+");
+ print_poly_int (m_outfile, MEM_OFFSET (in_rtx));
+ }
if (MEM_SIZE_KNOWN_P (in_rtx))
- fprintf (m_outfile, " S" HOST_WIDE_INT_PRINT_DEC, MEM_SIZE (in_rtx));
+ {
+ fprintf (m_outfile, " S");
+ print_poly_int (m_outfile, MEM_SIZE (in_rtx));
+ }
if (MEM_ALIGN (in_rtx) != 1)
fprintf (m_outfile, " A%u", MEM_ALIGN (in_rtx));
fprintf (m_outfile, " ");
cwi_output_hex (m_outfile, in_rtx);
break;
+
+ case CONST_POLY_INT:
+ fprintf (m_outfile, " [");
+ print_dec (CONST_POLY_INT_COEFFS (in_rtx)[0], m_outfile, SIGNED);
+ for (unsigned int i = 1; i < NUM_POLY_INT_COEFFS; ++i)
+ {
+ fprintf (m_outfile, ", ");
+ print_dec (CONST_POLY_INT_COEFFS (in_rtx)[i], m_outfile, SIGNED);
+ }
+ fprintf (m_outfile, "]");
+ break;
#endif
case CODE_LABEL:
m_sawclose = 1;
}
+/* Emit a closing parenthesis and newline. */
+
+void
+rtx_writer::finish_directive ()
+{
+ fprintf (m_outfile, ")\n");
+ m_sawclose = 0;
+}
+
/* Print an rtx on the current line of FILE. Initially indent IND
characters. */
void
print_inline_rtx (FILE *outf, const_rtx x, int ind)
{
- rtx_writer w (outf, ind, false, false);
+ rtx_writer w (outf, ind, false, false, NULL);
w.print_rtx (x);
}
DEBUG_FUNCTION void
debug_rtx (const_rtx x)
{
- rtx_writer w (stderr, 0, false, false);
+ rtx_writer w (stderr, 0, false, false, NULL);
w.print_rtx (x);
fprintf (stderr, "\n");
}
fprintf (stderr, "<nil>\n");
}
+/* Like debug_rtx but with no newline, as debug_helper will add one.
+
+ Note: No debug_slim(rtx_insn *) variant implemented, as this
+ function can serve for both rtx and rtx_insn. */
+
+static void
+debug_slim (const_rtx x)
+{
+ rtx_writer w (stderr, 0, false, false, NULL);
+ w.print_rtx (x);
+}
+
+DEFINE_DEBUG_VEC (rtx_def *)
+DEFINE_DEBUG_VEC (rtx_insn *)
+DEFINE_DEBUG_HASH_SET (rtx_def *)
+DEFINE_DEBUG_HASH_SET (rtx_insn *)
+
/* Count of rtx's to print with debug_rtx_list.
This global exists because gdb user defined commands have no arguments. */
void
print_rtl (FILE *outf, const_rtx rtx_first)
{
- rtx_writer w (outf, 0, false, false);
+ rtx_writer w (outf, 0, false, false, NULL);
w.print_rtl (rtx_first);
}
int
print_rtl_single (FILE *outf, const_rtx x)
{
- rtx_writer w (outf, 0, false, false);
+ rtx_writer w (outf, 0, false, false, NULL);
return w.print_rtl_single_with_indent (x, 0);
}
void
print_simple_rtl (FILE *outf, const_rtx x)
{
- rtx_writer w (outf, 0, true, false);
+ rtx_writer w (outf, 0, true, false, NULL);
w.print_rtl (x);
}
op[1] = XEXP (x, 1);
break;
case NOT:
- st[0] = "!";
+ st[0] = "~";
op[0] = XEXP (x, 0);
break;
case AND:
}
break;
+ case CONST_POLY_INT:
+ pp_left_bracket (pp);
+ pp_wide_int (pp, CONST_POLY_INT_COEFFS (x)[0], SIGNED);
+ for (unsigned int i = 1; i < NUM_POLY_INT_COEFFS; ++i)
+ {
+ pp_string (pp, ", ");
+ pp_wide_int (pp, CONST_POLY_INT_COEFFS (x)[i], SIGNED);
+ }
+ pp_right_bracket (pp);
+ break;
+
case CONST_DOUBLE:
if (FLOAT_MODE_P (GET_MODE (x)))
{
break;
case SUBREG:
print_value (pp, SUBREG_REG (x), verbose);
- pp_printf (pp, "#%d", SUBREG_BYTE (x));
+ pp_printf (pp, "#");
+ pp_wide_integer (pp, SUBREG_BYTE (x));
break;
case SCRATCH:
case CC0:
print_exp (pp, x, verbose);
break;
case CLOBBER:
+ case CLOBBER_HIGH:
case USE:
pp_printf (pp, "%s ", GET_RTX_NAME (GET_CODE (x)));
print_value (pp, XEXP (x, 0), verbose);
case DEBUG_INSN:
{
+ if (DEBUG_MARKER_INSN_P (x))
+ {
+ switch (INSN_DEBUG_MARKER_KIND (x))
+ {
+ case NOTE_INSN_BEGIN_STMT:
+ pp_string (pp, "debug begin stmt marker");
+ break;
+
+ case NOTE_INSN_INLINE_ENTRY:
+ pp_string (pp, "debug inline entry marker");
+ break;
+
+ default:
+ gcc_unreachable ();
+ }
+ break;
+ }
+
const char *name = "?";
+ char idbuf[32];
if (DECL_P (INSN_VAR_LOCATION_DECL (x)))
{
tree id = DECL_NAME (INSN_VAR_LOCATION_DECL (x));
- char idbuf[32];
if (id)
name = IDENTIFIER_POINTER (id);
else if (TREE_CODE (INSN_VAR_LOCATION_DECL (x))
break;
case NOTE_INSN_VAR_LOCATION:
- case NOTE_INSN_CALL_ARG_LOCATION:
pp_left_brace (pp);
print_pattern (pp, NOTE_VAR_LOCATION (x), verbose);
pp_right_brace (pp);
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