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function.h (struct rtl_data): Remove epilogue_delay_list.

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* function.h (struct rtl_data): Remove epilogue_delay_list.
	* reorg.c (find_end_label): Simplify always-true test.
	(optimize_skip): Likewise.
	* final.c (leaf_function_p): Don't loop over epilogue_delay_list.
	(leaf_renumber_regs): Likewise.
	* varasm.c (mark_constant_pool): Likewise.
	* except.c (set_nothrow_function_flags): Likewise.
	* cfgrtl.c (print_rtl_with_bb): Likewise.

From-SVN: r194053
This commit is contained in:
Steven Bosscher 2012-12-02 15:43:16 +00:00
parent 474d486a73
commit fa967f341c
7 changed files with 14 additions and 59 deletions
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11
gcc/ChangeLog
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@ -1,3 +1,14 @@
2012-12-02 Steven Bosscher <steven@gcc.gnu.org>
* function.h (struct rtl_data): Remove epilogue_delay_list.
* reorg.c (find_end_label): Simplify always-true test.
(optimize_skip): Likewise.
* final.c (leaf_function_p): Don't loop over epilogue_delay_list.
(leaf_renumber_regs): Likewise.
* varasm.c (mark_constant_pool): Likewise.
* except.c (set_nothrow_function_flags): Likewise.
* cfgrtl.c (print_rtl_with_bb): Likewise.
2012-12-02 Hans-Peter Nilsson <hp@bitrange.com>
* config/mmix/mmix.c (mmix_function_value): Set the mode of the

8
gcc/cfgrtl.c
View File

@ -2015,14 +2015,6 @@ print_rtl_with_bb (FILE *outf, const_rtx rtx_first, int flags)
free (end);
free (in_bb_p);
}
if (crtl->epilogue_delay_list != 0)
{
fprintf (outf, "\n;; Insns in epilogue delay list:\n\n");
for (tmp_rtx = crtl->epilogue_delay_list; tmp_rtx != 0;
tmp_rtx = XEXP (tmp_rtx, 1))
print_rtl_single (outf, XEXP (tmp_rtx, 0));
}
}
/* Update the branch probability of BB if a REG_BR_PROB is present. */

12
gcc/except.c
View File

@ -1884,18 +1884,6 @@ set_nothrow_function_flags (void)
}
}
for (insn = crtl->epilogue_delay_list; insn;
insn = XEXP (insn, 1))
if (can_throw_external (insn))
{
crtl->nothrow = 0;
if (!CALL_P (insn) || !SIBLING_CALL_P (insn))
{
crtl->all_throwers_are_sibcalls = 0;
return 0;
}
}
if (crtl->nothrow
&& (cgraph_function_body_availability (cgraph_get_node
(current_function_decl))

21
gcc/final.c
View File

@ -4083,7 +4083,6 @@ int
leaf_function_p (void)
{
rtx insn;
rtx link;
if (crtl->profile || profile_arc_flag)
return 0;
@ -4099,21 +4098,6 @@ leaf_function_p (void)
&& ! SIBLING_CALL_P (XVECEXP (PATTERN (insn), 0, 0)))
return 0;
}
for (link = crtl->epilogue_delay_list;
link;
link = XEXP (link, 1))
{
insn = XEXP (link, 0);
if (CALL_P (insn)
&& ! SIBLING_CALL_P (insn))
return 0;
if (NONJUMP_INSN_P (insn)
&& GET_CODE (PATTERN (insn)) == SEQUENCE
&& CALL_P (XVECEXP (PATTERN (insn), 0, 0))
&& ! SIBLING_CALL_P (XVECEXP (PATTERN (insn), 0, 0)))
return 0;
}
return 1;
}
@ -4183,11 +4167,6 @@ leaf_renumber_regs (rtx first)
for (insn = first; insn; insn = NEXT_INSN (insn))
if (INSN_P (insn))
leaf_renumber_regs_insn (PATTERN (insn));
for (insn = crtl->epilogue_delay_list;
insn;
insn = XEXP (insn, 1))
if (INSN_P (XEXP (insn, 0)))
leaf_renumber_regs_insn (PATTERN (XEXP (insn, 0)));
}
/* Scan IN_RTX and its subexpressions, and renumber all regs into those

4
gcc/function.h
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@ -341,10 +341,6 @@ struct GTY(()) rtl_data {
/* For reorg. */
/* If some insns can be deferred to the delay slots of the epilogue, the
delay list for them is recorded here. */
rtx epilogue_delay_list;
/* Nonzero if function being compiled called builtin_return_addr or
builtin_frame_address with nonzero count. */
bool accesses_prior_frames;

10
gcc/reorg.c
View File

@ -435,12 +435,7 @@ find_end_label (rtx kind)
if needed. */
emit_label (label);
#ifdef HAVE_return
/* We don't bother trying to create a return insn if the
epilogue has filled delay-slots; we would have to try and
move the delay-slot fillers to the delay-slots for the new
return insn or in front of the new return insn. */
if (crtl->epilogue_delay_list == NULL
&& HAVE_return)
if (HAVE_return)
{
/* The return we make may have delay slots too. */
rtx insn = gen_return ();
@ -804,8 +799,7 @@ optimize_skip (rtx insn)
we have one insn followed by a branch to the same label we branch to.
In both of these cases, inverting the jump and annulling the delay
slot give the same effect in fewer insns. */
if ((next_trial == next_active_insn (JUMP_LABEL (insn))
&& ! (next_trial == 0 && crtl->epilogue_delay_list != 0))
if (next_trial == next_active_insn (JUMP_LABEL (insn))
|| (next_trial != 0
&& simplejump_or_return_p (next_trial)
&& JUMP_LABEL (insn) == JUMP_LABEL (next_trial)))

7
gcc/varasm.c
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@ -3822,18 +3822,13 @@ mark_constants (rtx insn)
static void
mark_constant_pool (void)
{
rtx insn, link;
rtx insn;
if (!crtl->uses_const_pool && n_deferred_constants == 0)
return;
for (insn = get_insns (); insn; insn = NEXT_INSN (insn))
mark_constants (insn);
for (link = crtl->epilogue_delay_list;
link;
link = XEXP (link, 1))
mark_constants (XEXP (link, 0));
}
/* Write all the constants in POOL. */