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Introduce LABEL_REF_LABEL 

gcc/ChangeLog:
2014-09-11  David Malcolm  <dmalcolm@redhat.com>

	* rtl.h (LABEL_REF_LABEL): New macro.

	* alias.c (rtx_equal_for_memref_p): Use LABEL_REF_LABEL in place
	of XEXP (, 0), where we know that we have a LABEL_REF.
	* cfgbuild.c (make_edges): Likewise.
	(purge_dead_tablejump_edges): Likewise.
	* cfgexpand.c (convert_debug_memory_address): Likewise.
	* cfgrtl.c (patch_jump_insn): Likewise.
	* combine.c (distribute_notes): Likewise.
	* cse.c (hash_rtx_cb): Likewise.
	(exp_equiv_p): Likewise.
	(fold_rtx): Likewise.
	(check_for_label_ref): Likewise.
	* cselib.c (rtx_equal_for_cselib_1): Likewise.
	(cselib_hash_rtx): Likewise.
	* emit-rtl.c (mark_label_nuses): Likewise.
	* explow.c (convert_memory_address_addr_space): Likewise.
	* final.c (output_asm_label): Likewise.
	(output_addr_const): Likewise.
	* gcse.c (add_label_notes): Likewise.
	* genconfig.c (walk_insn_part): Likewise.
	* genrecog.c (validate_pattern): Likewise.
	* ifcvt.c (cond_exec_get_condition): Likewise.
	(noce_emit_store_flag): Likewise.
	(noce_get_alt_condition): Likewise.
	(noce_get_condition): Likewise.
	* jump.c (maybe_propagate_label_ref): Likewise.
	(mark_jump_label_1): Likewise.
	(redirect_exp_1): Likewise.
	(rtx_renumbered_equal_p): Likewise.
	* lra-constraints.c (operands_match_p): Likewise.
	* reload.c (operands_match_p): Likewise.
	(find_reloads): Likewise.
	* reload1.c (set_label_offsets): Likewise.
	* reorg.c (get_branch_condition): Likewise.
	* rtl.c (rtx_equal_p_cb): Likewise.
	(rtx_equal_p): Likewise.
	* rtlanal.c (reg_mentioned_p): Likewise.
	(rtx_referenced_p): Likewise.
	(get_condition): Likewise.
	* sched-vis.c (print_value): Likewise.
	* varasm.c (const_hash_1): Likewise.
	(compare_constant): Likewise.
	(const_rtx_hash_1): Likewise.
	(output_constant_pool_1): Likewise.

From-SVN: r215190
This commit is contained in:
David Malcolm 2014-09-11 20:47:39 +00:00 committed by David Malcolm
parent e4fb6f093c
commit a827d9b194
25 changed files with 123 additions and 67 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
gcc/ChangeLog
View File

@ -1,3 +1,51 @@
2014-09-11 David Malcolm <dmalcolm@redhat.com>
* rtl.h (LABEL_REF_LABEL): New macro.
* alias.c (rtx_equal_for_memref_p): Use LABEL_REF_LABEL in place
of XEXP (, 0), where we know that we have a LABEL_REF.
* cfgbuild.c (make_edges): Likewise.
(purge_dead_tablejump_edges): Likewise.
* cfgexpand.c (convert_debug_memory_address): Likewise.
* cfgrtl.c (patch_jump_insn): Likewise.
* combine.c (distribute_notes): Likewise.
* cse.c (hash_rtx_cb): Likewise.
(exp_equiv_p): Likewise.
(fold_rtx): Likewise.
(check_for_label_ref): Likewise.
* cselib.c (rtx_equal_for_cselib_1): Likewise.
(cselib_hash_rtx): Likewise.
* emit-rtl.c (mark_label_nuses): Likewise.
* explow.c (convert_memory_address_addr_space): Likewise.
* final.c (output_asm_label): Likewise.
(output_addr_const): Likewise.
* gcse.c (add_label_notes): Likewise.
* genconfig.c (walk_insn_part): Likewise.
* genrecog.c (validate_pattern): Likewise.
* ifcvt.c (cond_exec_get_condition): Likewise.
(noce_emit_store_flag): Likewise.
(noce_get_alt_condition): Likewise.
(noce_get_condition): Likewise.
* jump.c (maybe_propagate_label_ref): Likewise.
(mark_jump_label_1): Likewise.
(redirect_exp_1): Likewise.
(rtx_renumbered_equal_p): Likewise.
* lra-constraints.c (operands_match_p): Likewise.
* reload.c (operands_match_p): Likewise.
(find_reloads): Likewise.
* reload1.c (set_label_offsets): Likewise.
* reorg.c (get_branch_condition): Likewise.
* rtl.c (rtx_equal_p_cb): Likewise.
(rtx_equal_p): Likewise.
* rtlanal.c (reg_mentioned_p): Likewise.
(rtx_referenced_p): Likewise.
(get_condition): Likewise.
* sched-vis.c (print_value): Likewise.
* varasm.c (const_hash_1): Likewise.
(compare_constant): Likewise.
(const_rtx_hash_1): Likewise.
(output_constant_pool_1): Likewise.
2014-09-11 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/htm.md (tabort, tabortdc, tabortdci, tabortwc,

2
gcc/alias.c
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@ -1521,7 +1521,7 @@ rtx_equal_for_memref_p (const_rtx x, const_rtx y)
return REGNO (x) == REGNO (y);
case LABEL_REF:
return XEXP (x, 0) == XEXP (y, 0);
return LABEL_REF_LABEL (x) == LABEL_REF_LABEL (y);
case SYMBOL_REF:
return XSTR (x, 0) == XSTR (y, 0);

4
gcc/cfgbuild.c
View File

@ -277,7 +277,7 @@ make_edges (basic_block min, basic_block max, int update_p)
&& GET_CODE (SET_SRC (tmp)) == IF_THEN_ELSE
&& GET_CODE (XEXP (SET_SRC (tmp), 2)) == LABEL_REF)
make_label_edge (edge_cache, bb,
XEXP (XEXP (SET_SRC (tmp), 2), 0), 0);
LABEL_REF_LABEL (XEXP (SET_SRC (tmp), 2)), 0);
}
/* If this is a computed jump, then mark it as reaching
@ -415,7 +415,7 @@ purge_dead_tablejump_edges (basic_block bb, rtx_jump_table_data *table)
&& SET_DEST (tmp) == pc_rtx
&& GET_CODE (SET_SRC (tmp)) == IF_THEN_ELSE
&& GET_CODE (XEXP (SET_SRC (tmp), 2)) == LABEL_REF)
mark_tablejump_edge (XEXP (XEXP (SET_SRC (tmp), 2), 0));
mark_tablejump_edge (LABEL_REF_LABEL (XEXP (SET_SRC (tmp), 2)));
for (ei = ei_start (bb->succs); (e = ei_safe_edge (ei)); )
{

2
gcc/cfgexpand.c
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@ -3624,7 +3624,7 @@ convert_debug_memory_address (enum machine_mode mode, rtx x,
return SUBREG_REG (x);
break;
case LABEL_REF:
temp = gen_rtx_LABEL_REF (mode, XEXP (x, 0));
temp = gen_rtx_LABEL_REF (mode, LABEL_REF_LABEL (x));
LABEL_REF_NONLOCAL_P (temp) = LABEL_REF_NONLOCAL_P (x);
return temp;
case SYMBOL_REF:

2
gcc/cfgrtl.c
View File

@ -1202,7 +1202,7 @@ patch_jump_insn (rtx_insn *insn, rtx_insn *old_label, basic_block new_bb)
&& SET_DEST (tmp) == pc_rtx
&& GET_CODE (SET_SRC (tmp)) == IF_THEN_ELSE
&& GET_CODE (XEXP (SET_SRC (tmp), 2)) == LABEL_REF
&& XEXP (XEXP (SET_SRC (tmp), 2), 0) == old_label)
&& LABEL_REF_LABEL (XEXP (SET_SRC (tmp), 2)) == old_label)
{
XEXP (SET_SRC (tmp), 2) = gen_rtx_LABEL_REF (Pmode,
new_label);

4
gcc/combine.c
View File

@ -13403,14 +13403,14 @@ distribute_notes (rtx notes, rtx_insn *from_insn, rtx_insn *i3, rtx_insn *i2,
if (reg_mentioned_p (XEXP (note, 0), PATTERN (i3))
|| ((tem_note = find_reg_note (i3, REG_EQUAL, NULL_RTX))
&& GET_CODE (XEXP (tem_note, 0)) == LABEL_REF
&& XEXP (XEXP (tem_note, 0), 0) == XEXP (note, 0)))
&& LABEL_REF_LABEL (XEXP (tem_note, 0)) == XEXP (note, 0)))
place = i3;
if (i2
&& (reg_mentioned_p (XEXP (note, 0), PATTERN (i2))
|| ((tem_note = find_reg_note (i2, REG_EQUAL, NULL_RTX))
&& GET_CODE (XEXP (tem_note, 0)) == LABEL_REF
&& XEXP (XEXP (tem_note, 0), 0) == XEXP (note, 0))))
&& LABEL_REF_LABEL (XEXP (tem_note, 0)) == XEXP (note, 0))))
{
if (place)
place2 = i2;

20
gcc/cse.c
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@ -2349,7 +2349,7 @@ hash_rtx_cb (const_rtx x, enum machine_mode mode,
/* We don't hash on the address of the CODE_LABEL to avoid bootstrap
differences and differences between each stage's debugging dumps. */
hash += (((unsigned int) LABEL_REF << 7)
+ CODE_LABEL_NUMBER (XEXP (x, 0)));
+ CODE_LABEL_NUMBER (LABEL_REF_LABEL (x)));
return hash;
case SYMBOL_REF:
@ -2602,7 +2602,7 @@ exp_equiv_p (const_rtx x, const_rtx y, int validate, bool for_gcse)
return x == y;
case LABEL_REF:
return XEXP (x, 0) == XEXP (y, 0);
return LABEL_REF_LABEL (x) == LABEL_REF_LABEL (y);
case SYMBOL_REF:
return XSTR (x, 0) == XSTR (y, 0);
@ -3486,7 +3486,7 @@ fold_rtx (rtx x, rtx_insn *insn)
: lookup_as_function (folded_arg0, MINUS);
if (y != 0 && GET_CODE (XEXP (y, 1)) == LABEL_REF
&& XEXP (XEXP (y, 1), 0) == XEXP (const_arg1, 0))
&& LABEL_REF_LABEL (XEXP (y, 1)) == LABEL_REF_LABEL (const_arg1))
return XEXP (y, 0);
/* Now try for a CONST of a MINUS like the above. */
@ -3494,7 +3494,7 @@ fold_rtx (rtx x, rtx_insn *insn)
: lookup_as_function (folded_arg0, CONST))) != 0
&& GET_CODE (XEXP (y, 0)) == MINUS
&& GET_CODE (XEXP (XEXP (y, 0), 1)) == LABEL_REF
&& XEXP (XEXP (XEXP (y, 0), 1), 0) == XEXP (const_arg1, 0))
&& LABEL_REF_LABEL (XEXP (XEXP (y, 0), 1)) == LABEL_REF_LABEL (const_arg1))
return XEXP (XEXP (y, 0), 0);
}
@ -3506,7 +3506,7 @@ fold_rtx (rtx x, rtx_insn *insn)
: lookup_as_function (folded_arg1, MINUS);
if (y != 0 && GET_CODE (XEXP (y, 1)) == LABEL_REF
&& XEXP (XEXP (y, 1), 0) == XEXP (const_arg0, 0))
&& LABEL_REF_LABEL (XEXP (y, 1)) == LABEL_REF_LABEL (const_arg0))
return XEXP (y, 0);
/* Now try for a CONST of a MINUS like the above. */
@ -3514,7 +3514,7 @@ fold_rtx (rtx x, rtx_insn *insn)
: lookup_as_function (folded_arg1, CONST))) != 0
&& GET_CODE (XEXP (y, 0)) == MINUS
&& GET_CODE (XEXP (XEXP (y, 0), 1)) == LABEL_REF
&& XEXP (XEXP (XEXP (y, 0), 1), 0) == XEXP (const_arg0, 0))
&& LABEL_REF_LABEL (XEXP (XEXP (y, 0), 1)) == LABEL_REF_LABEL (const_arg0))
return XEXP (XEXP (y, 0), 0);
}
@ -6374,10 +6374,10 @@ check_for_label_ref (rtx_insn *insn)
if (GET_CODE (x) == LABEL_REF
&& !LABEL_REF_NONLOCAL_P (x)
&& (!JUMP_P (insn)
|| !label_is_jump_target_p (XEXP (x, 0), insn))
&& LABEL_P (XEXP (x, 0))
&& INSN_UID (XEXP (x, 0)) != 0
&& !find_reg_note (insn, REG_LABEL_OPERAND, XEXP (x, 0)))
|| !label_is_jump_target_p (LABEL_REF_LABEL (x), insn))
&& LABEL_P (LABEL_REF_LABEL (x))
&& INSN_UID (LABEL_REF_LABEL (x)) != 0
&& !find_reg_note (insn, REG_LABEL_OPERAND, LABEL_REF_LABEL (x)))
return true;
}
return false;

4
gcc/cselib.c
View File

@ -961,7 +961,7 @@ rtx_equal_for_cselib_1 (rtx x, rtx y, enum machine_mode memmode)
return rtx_equal_p (ENTRY_VALUE_EXP (x), ENTRY_VALUE_EXP (y));
case LABEL_REF:
return XEXP (x, 0) == XEXP (y, 0);
return LABEL_REF_LABEL (x) == LABEL_REF_LABEL (y);
case MEM:
/* We have to compare any autoinc operations in the addresses
@ -1167,7 +1167,7 @@ cselib_hash_rtx (rtx x, int create, enum machine_mode memmode)
/* We don't hash on the address of the CODE_LABEL to avoid bootstrap
differences and differences between each stage's debugging dumps. */
hash += (((unsigned int) LABEL_REF << 7)
+ CODE_LABEL_NUMBER (XEXP (x, 0)));
+ CODE_LABEL_NUMBER (LABEL_REF_LABEL (x)));
return hash ? hash : (unsigned int) LABEL_REF;
case SYMBOL_REF:

4
gcc/emit-rtl.c
View File

@ -3584,8 +3584,8 @@ mark_label_nuses (rtx x)
const char *fmt;
code = GET_CODE (x);
if (code == LABEL_REF && LABEL_P (XEXP (x, 0)))
LABEL_NUSES (XEXP (x, 0))++;
if (code == LABEL_REF && LABEL_P (LABEL_REF_LABEL (x)))
LABEL_NUSES (LABEL_REF_LABEL (x))++;
fmt = GET_RTX_FORMAT (code);
for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)

2
gcc/explow.c
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@ -357,7 +357,7 @@ convert_memory_address_addr_space (enum machine_mode to_mode ATTRIBUTE_UNUSED,
break;
case LABEL_REF:
temp = gen_rtx_LABEL_REF (to_mode, XEXP (x, 0));
temp = gen_rtx_LABEL_REF (to_mode, LABEL_REF_LABEL (x));
LABEL_REF_NONLOCAL_P (temp) = LABEL_REF_NONLOCAL_P (x);
return temp;
break;

4
gcc/final.c
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@ -3802,7 +3802,7 @@ output_asm_label (rtx x)
char buf[256];
if (GET_CODE (x) == LABEL_REF)
x = XEXP (x, 0);
x = LABEL_REF_LABEL (x);
if (LABEL_P (x)
|| (NOTE_P (x)
&& NOTE_KIND (x) == NOTE_INSN_DELETED_LABEL))
@ -3892,7 +3892,7 @@ output_addr_const (FILE *file, rtx x)
break;
case LABEL_REF:
x = XEXP (x, 0);
x = LABEL_REF_LABEL (x);
/* Fall through. */
case CODE_LABEL:
ASM_GENERATE_INTERNAL_LABEL (buf, "L", CODE_LABEL_NUMBER (x));

6
gcc/gcse.c
View File

@ -2816,10 +2816,10 @@ add_label_notes (rtx x, rtx insn)
such a LABEL_REF, so we don't have to handle REG_LABEL_TARGET
notes. */
gcc_assert (!JUMP_P (insn));
add_reg_note (insn, REG_LABEL_OPERAND, XEXP (x, 0));
add_reg_note (insn, REG_LABEL_OPERAND, LABEL_REF_LABEL (x));
if (LABEL_P (XEXP (x, 0)))
LABEL_NUSES (XEXP (x, 0))++;
if (LABEL_P (LABEL_REF_LABEL (x)))
LABEL_NUSES (LABEL_REF_LABEL (x))++;
return;
}

4
gcc/genconfig.c
View File

@ -98,8 +98,8 @@ walk_insn_part (rtx part, int recog_p, int non_pc_set_src)
break;
case LABEL_REF:
if (GET_CODE (XEXP (part, 0)) == MATCH_OPERAND
|| GET_CODE (XEXP (part, 0)) == MATCH_DUP)
if (GET_CODE (LABEL_REF_LABEL (part)) == MATCH_OPERAND
|| GET_CODE (LABEL_REF_LABEL (part)) == MATCH_DUP)
break;
return;

4
gcc/genrecog.c
View File

@ -617,10 +617,10 @@ validate_pattern (rtx pattern, rtx insn, rtx set, int set_code)
return;
case LABEL_REF:
if (GET_MODE (XEXP (pattern, 0)) != VOIDmode)
if (GET_MODE (LABEL_REF_LABEL (pattern)) != VOIDmode)
error_with_line (pattern_lineno,
"operand to label_ref %smode not VOIDmode",
GET_MODE_NAME (GET_MODE (XEXP (pattern, 0))));
GET_MODE_NAME (GET_MODE (LABEL_REF_LABEL (pattern))));
break;
default:

8
gcc/ifcvt.c
View File

@ -443,7 +443,7 @@ cond_exec_get_condition (rtx_insn *jump)
/* If this branches to JUMP_LABEL when the condition is false,
reverse the condition. */
if (GET_CODE (XEXP (test_if, 2)) == LABEL_REF
&& XEXP (XEXP (test_if, 2), 0) == JUMP_LABEL (jump))
&& LABEL_REF_LABEL (XEXP (test_if, 2)) == JUMP_LABEL (jump))
{
enum rtx_code rev = reversed_comparison_code (cond, jump);
if (rev == UNKNOWN)
@ -847,7 +847,7 @@ noce_emit_store_flag (struct noce_if_info *if_info, rtx x, int reversep,
rtx set = pc_set (if_info->jump);
cond = XEXP (SET_SRC (set), 0);
if (GET_CODE (XEXP (SET_SRC (set), 2)) == LABEL_REF
&& XEXP (XEXP (SET_SRC (set), 2), 0) == JUMP_LABEL (if_info->jump))
&& LABEL_REF_LABEL (XEXP (SET_SRC (set), 2)) == JUMP_LABEL (if_info->jump))
reversep = !reversep;
if (if_info->then_else_reversed)
reversep = !reversep;
@ -1777,7 +1777,7 @@ noce_get_alt_condition (struct noce_if_info *if_info, rtx target,
cond = XEXP (SET_SRC (set), 0);
reverse
= GET_CODE (XEXP (SET_SRC (set), 2)) == LABEL_REF
&& XEXP (XEXP (SET_SRC (set), 2), 0) == JUMP_LABEL (if_info->jump);
&& LABEL_REF_LABEL (XEXP (SET_SRC (set), 2)) == JUMP_LABEL (if_info->jump);
if (if_info->then_else_reversed)
reverse = !reverse;
@ -2351,7 +2351,7 @@ noce_get_condition (rtx_insn *jump, rtx_insn **earliest, bool then_else_reversed
/* If this branches to JUMP_LABEL when the condition is false,
reverse the condition. */
reverse = (GET_CODE (XEXP (SET_SRC (set), 2)) == LABEL_REF
&& XEXP (XEXP (SET_SRC (set), 2), 0) == JUMP_LABEL (jump));
&& LABEL_REF_LABEL (XEXP (SET_SRC (set), 2)) == JUMP_LABEL (jump));
/* We may have to reverse because the caller's if block is not canonical,
i.e. the THEN block isn't the fallthrough block for the TEST block

16
gcc/jump.c
View File

@ -264,7 +264,7 @@ maybe_propagate_label_ref (rtx_insn *jump_insn, rtx_insn *prev_nonjump_insn)
CODE_LABEL in the LABEL_REF of the "set". We can
conveniently use it for the marker function, which
requires a LABEL_REF wrapping. */
gcc_assert (XEXP (label_note, 0) == XEXP (SET_SRC (label_set), 0));
gcc_assert (XEXP (label_note, 0) == LABEL_REF_LABEL (SET_SRC (label_set)));
mark_jump_label_1 (label_set, jump_insn, false, true);
@ -1141,7 +1141,7 @@ mark_jump_label_1 (rtx x, rtx insn, bool in_mem, bool is_target)
case LABEL_REF:
{
rtx label = XEXP (x, 0);
rtx label = LABEL_REF_LABEL (x);
/* Ignore remaining references to unreachable labels that
have been deleted. */
@ -1155,7 +1155,7 @@ mark_jump_label_1 (rtx x, rtx insn, bool in_mem, bool is_target)
if (LABEL_REF_NONLOCAL_P (x))
break;
XEXP (x, 0) = label;
LABEL_REF_LABEL (x) = label;
if (! insn || ! INSN_DELETED_P (insn))
++LABEL_NUSES (label);
@ -1454,7 +1454,7 @@ redirect_exp_1 (rtx *loc, rtx olabel, rtx nlabel, rtx insn)
int i;
const char *fmt;
if ((code == LABEL_REF && XEXP (x, 0) == olabel)
if ((code == LABEL_REF && LABEL_REF_LABEL (x) == olabel)
|| x == olabel)
{
x = redirect_target (nlabel);
@ -1467,7 +1467,7 @@ redirect_exp_1 (rtx *loc, rtx olabel, rtx nlabel, rtx insn)
if (code == SET && SET_DEST (x) == pc_rtx
&& ANY_RETURN_P (nlabel)
&& GET_CODE (SET_SRC (x)) == LABEL_REF
&& XEXP (SET_SRC (x), 0) == olabel)
&& LABEL_REF_LABEL (SET_SRC (x)) == olabel)
{
validate_change (insn, loc, nlabel, 1);
return;
@ -1791,12 +1791,12 @@ rtx_renumbered_equal_p (const_rtx x, const_rtx y)
case LABEL_REF:
/* We can't assume nonlocal labels have their following insns yet. */
if (LABEL_REF_NONLOCAL_P (x) || LABEL_REF_NONLOCAL_P (y))
return XEXP (x, 0) == XEXP (y, 0);
return LABEL_REF_LABEL (x) == LABEL_REF_LABEL (y);
/* Two label-refs are equivalent if they point at labels
in the same position in the instruction stream. */
return (next_real_insn (XEXP (x, 0))
== next_real_insn (XEXP (y, 0)));
return (next_real_insn (LABEL_REF_LABEL (x))
== next_real_insn (LABEL_REF_LABEL (y)));
case SYMBOL_REF:
return XSTR (x, 0) == XSTR (y, 0);

2
gcc/lra-constraints.c
View File

@ -735,7 +735,7 @@ operands_match_p (rtx x, rtx y, int y_hard_regno)
return false;
case LABEL_REF:
return XEXP (x, 0) == XEXP (y, 0);
return LABEL_REF_LABEL (x) == LABEL_REF_LABEL (y);
case SYMBOL_REF:
return XSTR (x, 0) == XSTR (y, 0);

13
gcc/reload.c
View File

@ -2321,7 +2321,7 @@ operands_match_p (rtx x, rtx y)
return 0;
case LABEL_REF:
return XEXP (x, 0) == XEXP (y, 0);
return LABEL_REF_LABEL (x) == LABEL_REF_LABEL (y);
case SYMBOL_REF:
return XSTR (x, 0) == XSTR (y, 0);
@ -4221,16 +4221,17 @@ find_reloads (rtx_insn *insn, int replace, int ind_levels, int live_known,
this instruction. */
if (GET_CODE (substitution) == LABEL_REF
&& !find_reg_note (insn, REG_LABEL_OPERAND,
XEXP (substitution, 0))
LABEL_REF_LABEL (substitution))
/* For a JUMP_P, if it was a branch target it must have
already been recorded as such. */
&& (!JUMP_P (insn)
|| !label_is_jump_target_p (XEXP (substitution, 0),
|| !label_is_jump_target_p (LABEL_REF_LABEL (substitution),
insn)))
{
add_reg_note (insn, REG_LABEL_OPERAND, XEXP (substitution, 0));
if (LABEL_P (XEXP (substitution, 0)))
++LABEL_NUSES (XEXP (substitution, 0));
add_reg_note (insn, REG_LABEL_OPERAND,
LABEL_REF_LABEL (substitution));
if (LABEL_P (LABEL_REF_LABEL (substitution)))
++LABEL_NUSES (LABEL_REF_LABEL (substitution));
}
}

6
gcc/reload1.c
View File

@ -2358,7 +2358,7 @@ set_label_offsets (rtx x, rtx_insn *insn, int initial_p)
if (LABEL_REF_NONLOCAL_P (x))
return;
x = XEXP (x, 0);
x = LABEL_REF_LABEL (x);
/* ... fall through ... */
@ -2460,13 +2460,13 @@ set_label_offsets (rtx x, rtx_insn *insn, int initial_p)
case IF_THEN_ELSE:
tem = XEXP (SET_SRC (x), 1);
if (GET_CODE (tem) == LABEL_REF)
set_label_offsets (XEXP (tem, 0), insn, initial_p);
set_label_offsets (LABEL_REF_LABEL (tem), insn, initial_p);
else if (GET_CODE (tem) != PC && GET_CODE (tem) != RETURN)
break;
tem = XEXP (SET_SRC (x), 2);
if (GET_CODE (tem) == LABEL_REF)
set_label_offsets (XEXP (tem, 0), insn, initial_p);
set_label_offsets (LABEL_REF_LABEL (tem), insn, initial_p);
else if (GET_CODE (tem) != PC && GET_CODE (tem) != RETURN)
break;
return;

6
gcc/reorg.c
View File

@ -923,20 +923,20 @@ get_branch_condition (const rtx_insn *insn, rtx target)
return 0;
src = SET_SRC (pat);
if (GET_CODE (src) == LABEL_REF && XEXP (src, 0) == target)
if (GET_CODE (src) == LABEL_REF && LABEL_REF_LABEL (src) == target)
return const_true_rtx;
else if (GET_CODE (src) == IF_THEN_ELSE
&& XEXP (src, 2) == pc_rtx
&& ((GET_CODE (XEXP (src, 1)) == LABEL_REF
&& XEXP (XEXP (src, 1), 0) == target)
&& LABEL_REF_LABEL (XEXP (src, 1)) == target)
|| (ANY_RETURN_P (XEXP (src, 1)) && XEXP (src, 1) == target)))
return XEXP (src, 0);
else if (GET_CODE (src) == IF_THEN_ELSE
&& XEXP (src, 1) == pc_rtx
&& ((GET_CODE (XEXP (src, 2)) == LABEL_REF
&& XEXP (XEXP (src, 2), 0) == target)
&& LABEL_REF_LABEL (XEXP (src, 2)) == target)
|| (ANY_RETURN_P (XEXP (src, 2)) && XEXP (src, 2) == target)))
{
enum rtx_code rev;

4
gcc/rtl.c
View File

@ -422,7 +422,7 @@ rtx_equal_p_cb (const_rtx x, const_rtx y, rtx_equal_p_callback_function cb)
return (REGNO (x) == REGNO (y));
case LABEL_REF:
return XEXP (x, 0) == XEXP (y, 0);
return LABEL_REF_LABEL (x) == LABEL_REF_LABEL (y);
case SYMBOL_REF:
return XSTR (x, 0) == XSTR (y, 0);
@ -559,7 +559,7 @@ rtx_equal_p (const_rtx x, const_rtx y)
return (REGNO (x) == REGNO (y));
case LABEL_REF:
return XEXP (x, 0) == XEXP (y, 0);
return LABEL_REF_LABEL (x) == LABEL_REF_LABEL (y);
case SYMBOL_REF:
return XSTR (x, 0) == XSTR (y, 0);

4
gcc/rtl.h
View File

@ -1673,6 +1673,10 @@ inline rtx_insn *JUMP_LABEL_AS_INSN (const rtx_insn *insn)
goes through all the LABEL_REFs that jump to that label. The chain
eventually winds up at the CODE_LABEL: it is circular. */
#define LABEL_REFS(LABEL) XCEXP (LABEL, 3, CODE_LABEL)
/* Get the label that a LABEL_REF references. */
#define LABEL_REF_LABEL(LABREF) XCEXP (LABREF, 0, LABEL_REF)
/* For a REG rtx, REGNO extracts the register number. REGNO can only
be used on RHS. Use SET_REGNO to change the value. */

8
gcc/rtlanal.c
View File

@ -785,7 +785,7 @@ reg_mentioned_p (const_rtx reg, const_rtx in)
return 1;
if (GET_CODE (in) == LABEL_REF)
return reg == XEXP (in, 0);
return reg == LABEL_REF_LABEL (in);
code = GET_CODE (in);
@ -2847,7 +2847,9 @@ rtx_referenced_p (const_rtx x, const_rtx body)
if (const_rtx y = *iter)
{
/* Check if a label_ref Y refers to label X. */
if (GET_CODE (y) == LABEL_REF && LABEL_P (x) && XEXP (y, 0) == x)
if (GET_CODE (y) == LABEL_REF
&& LABEL_P (x)
&& LABEL_REF_LABEL (y) == x)
return true;
if (rtx_equal_p (x, y))
@ -5320,7 +5322,7 @@ get_condition (rtx_insn *jump, rtx_insn **earliest, int allow_cc_mode,
the condition. */
reverse
= GET_CODE (XEXP (SET_SRC (set), 2)) == LABEL_REF
&& XEXP (XEXP (SET_SRC (set), 2), 0) == JUMP_LABEL (jump);
&& LABEL_REF_LABEL (XEXP (SET_SRC (set), 2)) == JUMP_LABEL (jump);
return canonicalize_condition (jump, cond, reverse, earliest, NULL_RTX,
allow_cc_mode, valid_at_insn_p);

2
gcc/sched-vis.c
View File

@ -468,7 +468,7 @@ print_value (pretty_printer *pp, const_rtx x, int verbose)
pp_printf (pp, "`%s'", XSTR (x, 0));
break;
case LABEL_REF:
pp_printf (pp, "L%d", INSN_UID (XEXP (x, 0)));
pp_printf (pp, "L%d", INSN_UID (LABEL_REF_LABEL (x)));
break;
case CONST:
case HIGH:

11
gcc/varasm.c
View File

@ -2922,7 +2922,8 @@ const_hash_1 (const tree exp)
break;
case LABEL_REF:
hi = value.offset + CODE_LABEL_NUMBER (XEXP (value.base, 0)) * 13;
hi = (value.offset
+ CODE_LABEL_NUMBER (LABEL_REF_LABEL (value.base)) * 13);
break;
default:
@ -3112,8 +3113,8 @@ compare_constant (const tree t1, const tree t2)
break;
case LABEL_REF:
ret = (CODE_LABEL_NUMBER (XEXP (value1.base, 0))
== CODE_LABEL_NUMBER (XEXP (value2.base, 0)));
ret = (CODE_LABEL_NUMBER (LABEL_REF_LABEL (value1.base))
== CODE_LABEL_NUMBER (LABEL_REF_LABEL (value2.base)));
break;
default:
@ -3547,7 +3548,7 @@ const_rtx_hash_1 (const_rtx x)
break;
case LABEL_REF:
h = h * 251 + CODE_LABEL_NUMBER (XEXP (x, 0));
h = h * 251 + CODE_LABEL_NUMBER (LABEL_REF_LABEL (x));
break;
case UNSPEC:
@ -3835,7 +3836,7 @@ output_constant_pool_1 (struct constant_descriptor_rtx *desc,
/* FALLTHRU */
case LABEL_REF:
tmp = XEXP (tmp, 0);
tmp = LABEL_REF_LABEL (tmp);
gcc_assert (!INSN_DELETED_P (tmp));
gcc_assert (!NOTE_P (tmp)
|| NOTE_KIND (tmp) != NOTE_INSN_DELETED);