rtx label = BB_HEAD (bb);
int fallthru_frequency = 0, branch_frequency = 0, has_fallthru = 0;
edge e;
+ edge_iterator ei;
if (!LABEL_P (label)
|| probably_never_executed_bb_p (bb))
max_log = LABEL_ALIGN (label);
max_skip = LABEL_ALIGN_MAX_SKIP;
- for (e = bb->pred; e; e = e->pred_next)
+ FOR_EACH_EDGE (e, ei, bb->preds)
{
if (e->flags & EDGE_FALLTHRU)
has_fallthru = 1, fallthru_frequency += EDGE_FREQUENCY (e);
/* Compute maximum UID and allocate label_align / uid_shuid. */
max_uid = get_max_uid ();
- /* Free uid_shuid before reallocating it. */
+ /* Free uid_shuid before reallocating it. */
free (uid_shuid);
uid_shuid = xmalloc (max_uid * sizeof *uid_shuid);
/* Range of labels grows monotonically in the function. Abort here
means that the initialization of array got lost. */
- if (n_old_labels > n_labels)
- abort ();
+ gcc_assert (n_old_labels <= n_labels);
memset (label_align + n_old_labels, 0,
(n_labels - n_old_labels) * sizeof (struct label_alignment));
continue;
pat = PATTERN (insn);
len = XVECLEN (pat, 1);
- if (len <= 0)
- abort ();
+ gcc_assert (len > 0);
min_align = MAX_CODE_ALIGN;
for (min = max_shuid, max = min_shuid, i = len - 1; i >= 0; i--)
{
XEXP (pat, 3) = gen_rtx_LABEL_REF (VOIDmode, max_lab);
insn_shuid = INSN_SHUID (insn);
rel = INSN_SHUID (XEXP (XEXP (pat, 0), 0));
+ memset (&flags, 0, sizeof (flags));
flags.min_align = min_align;
flags.base_after_vec = rel > insn_shuid;
flags.min_after_vec = min > insn_shuid;
#if defined (DWARF2_UNWIND_INFO) && defined (HAVE_prologue)
if (dwarf2out_do_frame ())
- dwarf2out_frame_debug (NULL_RTX);
+ dwarf2out_frame_debug (NULL_RTX, false);
#endif
/* If debugging, assign block numbers to all of the blocks in this
{
/* This can be triggered by bugs elsewhere in the compiler if
new insns are created after init_insn_lengths is called. */
- if (NOTE_P (insn))
- insn_current_address = -1;
- else
- abort ();
+ gcc_assert (NOTE_P (insn));
+ insn_current_address = -1;
}
else
insn_current_address = INSN_ADDRESSES (INSN_UID (insn));
case INSN_OUTPUT_FORMAT_MULTI:
return insn_data[code].output.multi[which_alternative];
case INSN_OUTPUT_FORMAT_FUNCTION:
- if (insn == NULL)
- abort ();
+ gcc_assert (insn);
return (*insn_data[code].output.function) (recog_data.operand, insn);
default:
- abort ();
+ gcc_unreachable ();
}
}
case LABEL_NORMAL:
default:
- abort ();
+ gcc_unreachable ();
}
}
case NOTE_INSN_DELETED:
case NOTE_INSN_LOOP_BEG:
case NOTE_INSN_LOOP_END:
- case NOTE_INSN_LOOP_END_TOP_COND:
- case NOTE_INSN_LOOP_CONT:
- case NOTE_INSN_LOOP_VTOP:
case NOTE_INSN_FUNCTION_END:
case NOTE_INSN_REPEATED_LINE_NUMBER:
case NOTE_INSN_EXPECTED_VALUE:
are writing to appropriately. */
if (flag_reorder_blocks_and_partition
- && in_unlikely_text_section()
&& !scan_ahead_for_unlikely_executed_note (insn))
- text_section ();
+ function_section (current_function_decl);
#ifdef TARGET_UNWIND_INFO
targetm.asm_out.unwind_emit (asm_out_file, insn);
case NOTE_INSN_BLOCK_BEG:
if (debug_info_level == DINFO_LEVEL_NORMAL
|| debug_info_level == DINFO_LEVEL_VERBOSE
- || write_symbols == DWARF_DEBUG
|| write_symbols == DWARF2_DEBUG
|| write_symbols == VMS_AND_DWARF2_DEBUG
|| write_symbols == VMS_DEBUG)
case NOTE_INSN_BLOCK_END:
if (debug_info_level == DINFO_LEVEL_NORMAL
|| debug_info_level == DINFO_LEVEL_VERBOSE
- || write_symbols == DWARF_DEBUG
|| write_symbols == DWARF2_DEBUG
|| write_symbols == VMS_AND_DWARF2_DEBUG
|| write_symbols == VMS_DEBUG)
/* End of a symbol-block. */
--block_depth;
- if (block_depth < 0)
- abort ();
+ gcc_assert (block_depth >= 0);
(*debug_hooks->end_block) (high_block_linenum, n);
}
break;
default:
- if (NOTE_LINE_NUMBER (insn) <= 0)
- abort ();
+ gcc_assert (NOTE_LINE_NUMBER (insn) > 0);
break;
}
break;
case BARRIER:
#if defined (DWARF2_UNWIND_INFO)
if (dwarf2out_do_frame ())
- dwarf2out_frame_debug (insn);
+ dwarf2out_frame_debug (insn, false);
#endif
break;
basic blocks into separate sections of the .o file, we need
to ensure the jump table ends up in the correct section... */
- if (flag_reorder_blocks_and_partition)
+ if (flag_reorder_blocks_and_partition
+ && targetm.have_named_sections)
{
rtx tmp_table, tmp_label;
if (LABEL_P (insn)
}
else if (scan_ahead_for_unlikely_executed_note (insn))
unlikely_text_section ();
- else
- {
- if (in_unlikely_text_section ())
- text_section ();
- }
+ else if (in_unlikely_text_section ())
+ function_section (current_function_decl);
}
if (app_on)
{
int log_align;
- readonly_data_section ();
+ targetm.asm_out.function_rodata_section (current_function_decl);
#ifdef ADDR_VEC_ALIGN
log_align = ADDR_VEC_ALIGN (NEXT_INSN (insn));
#ifdef ASM_OUTPUT_ADDR_VEC
ASM_OUTPUT_ADDR_VEC (PREV_INSN (insn), body);
#else
- abort ();
+ gcc_unreachable ();
#endif
}
else
#ifdef ASM_OUTPUT_ADDR_DIFF_VEC
ASM_OUTPUT_ADDR_DIFF_VEC (PREV_INSN (insn), body);
#else
- abort ();
+ gcc_unreachable ();
#endif
}
#else
ASM_OUTPUT_ADDR_VEC_ELT
(file, CODE_LABEL_NUMBER (XEXP (XVECEXP (body, 0, idx), 0)));
#else
- abort ();
+ gcc_unreachable ();
#endif
}
else
CODE_LABEL_NUMBER (XEXP (XVECEXP (body, 1, idx), 0)),
CODE_LABEL_NUMBER (XEXP (XEXP (body, 0), 0)));
#else
- abort ();
+ gcc_unreachable ();
#endif
}
}
#if defined (DWARF2_UNWIND_INFO)
if (dwarf2out_do_frame ())
for (i = 1; i < XVECLEN (body, 0); i++)
- dwarf2out_frame_debug (XVECEXP (body, 0, i));
+ dwarf2out_frame_debug (XVECEXP (body, 0, i), false);
#endif
/* The first insn in this SEQUENCE might be a JUMP_INSN that will
#if defined (DWARF2_UNWIND_INFO)
if (CALL_P (insn) && dwarf2out_do_frame ())
- dwarf2out_frame_debug (insn);
+ dwarf2out_frame_debug (insn, false);
#endif
/* Find the proper template for this insn. */
{
rtx prev;
- if (prev_nonnote_insn (insn) != last_ignored_compare)
- abort ();
+ gcc_assert (prev_nonnote_insn (insn) == last_ignored_compare);
/* We have already processed the notes between the setter and
the user. Make sure we don't process them again, this is
/* This instruction should have been split in shorten_branches,
to ensure that we would have valid length info for the
splitees. */
- abort ();
+ gcc_unreachable ();
#endif
return new;
the unwind info. We've already done this for delay slots
and call instructions. */
#if defined (DWARF2_UNWIND_INFO)
- if (NONJUMP_INSN_P (insn)
+ if (final_sequence == 0
#if !defined (HAVE_prologue)
&& !ACCUMULATE_OUTGOING_ARGS
#endif
- && final_sequence == 0
&& dwarf2out_do_frame ())
- dwarf2out_frame_debug (insn);
+ dwarf2out_frame_debug (insn, true);
#endif
current_output_insn = debug_insn = 0;
/* simplify_subreg does not remove subreg from volatile references.
We are required to. */
if (MEM_P (y))
- *xp = adjust_address (y, GET_MODE (x), SUBREG_BYTE (x));
+ {
+ int offset = SUBREG_BYTE (x);
+
+ /* For paradoxical subregs on big-endian machines, SUBREG_BYTE
+ contains 0 instead of the proper offset. See simplify_subreg. */
+ if (offset == 0
+ && GET_MODE_SIZE (GET_MODE (y)) < GET_MODE_SIZE (GET_MODE (x)))
+ {
+ int difference = GET_MODE_SIZE (GET_MODE (y))
+ - GET_MODE_SIZE (GET_MODE (x));
+ if (WORDS_BIG_ENDIAN)
+ offset += (difference / UNITS_PER_WORD) * UNITS_PER_WORD;
+ if (BYTES_BIG_ENDIAN)
+ offset += difference % UNITS_PER_WORD;
+ }
+
+ *xp = adjust_address (y, GET_MODE (x), offset);
+ }
else
{
rtx new = simplify_subreg (GET_MODE (x), y, GET_MODE (y),
if (new != 0)
*xp = new;
- /* Simplify_subreg can't handle some REG cases, but we have to. */
- else if (REG_P (y))
+ else
{
- unsigned int regno = subreg_hard_regno (x, 1);
+ /* Simplify_subreg can't handle some REG cases, but we have to. */
+ unsigned int regno = subreg_regno (x);
+ gcc_assert (REG_P (y));
*xp = gen_rtx_REG_offset (y, GET_MODE (x), regno, SUBREG_BYTE (x));
}
- else
- abort ();
}
return *xp;
switch (GET_CODE (cond))
{
default:
- abort ();
+ gcc_unreachable ();
case NE:
PUT_CODE (cond, cc_status.flags & CC_Z_IN_N ? GE : LT);
va_start (ap, msgid);
- pfx_str = this_is_asm_operands ? _("invalid `asm': ") : "output_operand: ";
+ pfx_str = this_is_asm_operands ? _("invalid 'asm': ") : "output_operand: ";
asprintf (&fmt_string, "%s%s", pfx_str, _(msgid));
vasprintf (&new_message, fmt_string, ap);
else if (ISALPHA (*p))
{
int letter = *p++;
- c = atoi (p);
-
- if (! ISDIGIT (*p))
- output_operand_lossage ("operand number missing after %%-letter");
- else if (this_is_asm_operands
- && (c < 0 || (unsigned int) c >= insn_noperands))
+ unsigned long opnum;
+ char *endptr;
+
+ opnum = strtoul (p, &endptr, 10);
+
+ if (endptr == p)
+ output_operand_lossage ("operand number missing "
+ "after %%-letter");
+ else if (this_is_asm_operands && opnum >= insn_noperands)
output_operand_lossage ("operand number out of range");
else if (letter == 'l')
- output_asm_label (operands[c]);
+ output_asm_label (operands[opnum]);
else if (letter == 'a')
- output_address (operands[c]);
+ output_address (operands[opnum]);
else if (letter == 'c')
{
- if (CONSTANT_ADDRESS_P (operands[c]))
- output_addr_const (asm_out_file, operands[c]);
+ if (CONSTANT_ADDRESS_P (operands[opnum]))
+ output_addr_const (asm_out_file, operands[opnum]);
else
- output_operand (operands[c], 'c');
+ output_operand (operands[opnum], 'c');
}
else if (letter == 'n')
{
- if (GET_CODE (operands[c]) == CONST_INT)
+ if (GET_CODE (operands[opnum]) == CONST_INT)
fprintf (asm_out_file, HOST_WIDE_INT_PRINT_DEC,
- - INTVAL (operands[c]));
+ - INTVAL (operands[opnum]));
else
{
putc ('-', asm_out_file);
- output_addr_const (asm_out_file, operands[c]);
+ output_addr_const (asm_out_file, operands[opnum]);
}
}
else
- output_operand (operands[c], letter);
+ output_operand (operands[opnum], letter);
- if (!opoutput[c])
- oporder[ops++] = c;
- opoutput[c] = 1;
+ if (!opoutput[opnum])
+ oporder[ops++] = opnum;
+ opoutput[opnum] = 1;
- while (ISDIGIT (c = *p))
- p++;
+ p = endptr;
+ c = *p;
}
/* % followed by a digit outputs an operand the default way. */
else if (ISDIGIT (*p))
{
- c = atoi (p);
- if (this_is_asm_operands
- && (c < 0 || (unsigned int) c >= insn_noperands))
+ unsigned long opnum;
+ char *endptr;
+
+ opnum = strtoul (p, &endptr, 10);
+ if (this_is_asm_operands && opnum >= insn_noperands)
output_operand_lossage ("operand number out of range");
else
- output_operand (operands[c], 0);
+ output_operand (operands[opnum], 0);
- if (!opoutput[c])
- oporder[ops++] = c;
- opoutput[c] = 1;
+ if (!opoutput[opnum])
+ oporder[ops++] = opnum;
+ opoutput[opnum] = 1;
- while (ISDIGIT (c = *p))
- p++;
+ p = endptr;
+ c = *p;
}
/* % followed by punctuation: output something for that
punctuation character alone, with no operand.
&& NOTE_LINE_NUMBER (x) == NOTE_INSN_DELETED_LABEL))
ASM_GENERATE_INTERNAL_LABEL (buf, "L", CODE_LABEL_NUMBER (x));
else
- output_operand_lossage ("`%%l' operand isn't a label");
+ output_operand_lossage ("'%%l' operand isn't a label");
assemble_name (asm_out_file, buf);
}
/* If X is a pseudo-register, abort now rather than writing trash to the
assembler file. */
-
- if (x && REG_P (x) && REGNO (x) >= FIRST_PSEUDO_REGISTER)
- abort ();
+ gcc_assert (!x || !REG_P (x) || REGNO (x) < FIRST_PSEUDO_REGISTER);
PRINT_OPERAND (asm_out_file, x, code);
}
ASM_FPRINTF_EXTENSIONS (file, argptr, p)
#endif
default:
- abort ();
+ gcc_unreachable ();
}
break;
final_forward_branch_p (rtx insn)
{
int insn_id, label_id;
- if (!uid_shuid)
- abort ();
+
+ gcc_assert (uid_shuid);
insn_id = INSN_SHUID (insn);
label_id = INSN_SHUID (JUMP_LABEL (insn));
/* We've hit some insns that does not have id information available. */
- if (!insn_id || !label_id)
- abort ();
+ gcc_assert (insn_id && label_id);
return insn_id < label_id;
}
return;
}
newreg = LEAF_REG_REMAP (newreg);
- if (newreg < 0)
- abort ();
+ gcc_assert (newreg >= 0);
regs_ever_live[REGNO (in_rtx)] = 0;
regs_ever_live[newreg] = 1;
REGNO (in_rtx) = newreg;
break;
default:
- abort ();
+ gcc_unreachable ();
}
}
#endif
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