From: Richard Sandiford <rdsandiford@googlemail.com>
To: gcc-patches@gcc.gnu.org
Subject: [PATCH 39/50] rtlanal.c:record_hard_reg_uses
Date: Sun, 03 Aug 2014 14:27:00 -0000 [thread overview]
Message-ID: <87a97l7in1.fsf@googlemail.com> (raw)
In-Reply-To: <87y4v5d77q.fsf@googlemail.com> (Richard Sandiford's message of "Sun, 03 Aug 2014 14:38:01 +0100")
find_all_hard_regs seems like a useful function so I split it out of
the note_uses callback and exposed it in rtl.h. I have (or had)
other patches that make use of it.
gcc/
* rtl.h (find_all_hard_regs): Declare.
* rtlanal.c (find_all_hard_regs): New function.
(record_hard_reg_uses_1): Delete.
(record_hard_reg_uses): Use find_all_hard_regs.
Index: gcc/rtl.h
===================================================================
--- gcc/rtl.h 2014-08-03 11:25:30.745160142 +0100
+++ gcc/rtl.h 2014-08-03 11:25:31.042163078 +0100
@@ -2245,6 +2245,7 @@ extern const_rtx set_of (const_rtx, cons
extern void record_hard_reg_sets (rtx, const_rtx, void *);
extern void record_hard_reg_uses (rtx *, void *);
#ifdef HARD_CONST
+extern void find_all_hard_regs (const_rtx, HARD_REG_SET *);
extern void find_all_hard_reg_sets (const_rtx, HARD_REG_SET *, bool);
#endif
extern void note_stores (const_rtx, void (*) (rtx, const_rtx, void *), void *);
Index: gcc/rtlanal.c
===================================================================
--- gcc/rtlanal.c 2014-08-03 11:25:30.746160151 +0100
+++ gcc/rtlanal.c 2014-08-03 11:25:31.043163088 +0100
@@ -1122,6 +1122,19 @@ set_of (const_rtx pat, const_rtx insn)
return data.found;
}
+/* Add all hard register in X to *PSET. */
+void
+find_all_hard_regs (const_rtx x, HARD_REG_SET *pset)
+{
+ subrtx_iterator::array_type array;
+ FOR_EACH_SUBRTX (iter, array, x, NONCONST)
+ {
+ const_rtx x = *iter;
+ if (REG_P (x) && REGNO (x) < FIRST_PSEUDO_REGISTER)
+ add_to_hard_reg_set (pset, GET_MODE (x), REGNO (x));
+ }
+}
+
/* This function, called through note_stores, collects sets and
clobbers of hard registers in a HARD_REG_SET, which is pointed to
by DATA. */
@@ -1155,27 +1168,11 @@ find_all_hard_reg_sets (const_rtx insn,
record_hard_reg_sets (XEXP (link, 0), NULL, pset);
}
-/* A for_each_rtx subroutine of record_hard_reg_uses. */
-static int
-record_hard_reg_uses_1 (rtx *px, void *data)
-{
- rtx x = *px;
- HARD_REG_SET *pused = (HARD_REG_SET *)data;
-
- if (REG_P (x) && REGNO (x) < FIRST_PSEUDO_REGISTER)
- {
- int nregs = hard_regno_nregs[REGNO (x)][GET_MODE (x)];
- while (nregs-- > 0)
- SET_HARD_REG_BIT (*pused, REGNO (x) + nregs);
- }
- return 0;
-}
-
/* Like record_hard_reg_sets, but called through note_uses. */
void
record_hard_reg_uses (rtx *px, void *data)
{
- for_each_rtx (px, record_hard_reg_uses_1, data);
+ find_all_hard_regs (*px, (HARD_REG_SET *) data);
}
\f
/* Given an INSN, return a SET expression if this insn has only a single SET.
next prev parent reply other threads:[~2014-08-03 14:27 UTC|newest]
Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-03 13:38 [PATCH 0/50] Faster for_each_rtx-like iterators Richard Sandiford
2014-08-03 13:39 ` [PATCH 01/50] Add rtl-iter.h Richard Sandiford
2014-08-05 20:48 ` Jeff Law
2014-08-05 22:19 ` Richard Henderson
2014-08-09 10:16 ` Richard Sandiford
2014-08-03 13:40 ` [PATCH 02/50] alias.c:refs_newer_value_p Richard Sandiford
2014-08-05 20:52 ` Jeff Law
2014-08-03 13:44 ` [PATCH 03/50] bt-load.c:find_btr_use Richard Sandiford
2014-08-06 18:39 ` Jeff Law
2014-08-03 13:48 ` [PATCH 05/50] calls.c:internal_arg_pointer_based_exp Richard Sandiford
2014-08-05 20:56 ` Jeff Law
2014-08-03 13:48 ` [PATCH 04/50] caller-save.c:add_used_regs Richard Sandiford
2014-08-05 20:54 ` Jeff Law
2014-08-03 13:50 ` [PATCH 06/50] combine.c:unmentioned_reg_p Richard Sandiford
2014-08-05 20:56 ` Jeff Law
2014-08-03 13:51 ` [PATCH 07/50] combine.c:record_truncated_values Richard Sandiford
2014-08-05 20:57 ` Jeff Law
2014-08-03 13:52 ` [PATCH 08/50] Faster for_each_rtx-like iterators Richard Sandiford
2014-08-06 18:17 ` Jeff Law
2014-08-03 13:53 ` [PATCH 09/50] cfgcleanup.c:mentions_nonequal_regs Richard Sandiford
2014-08-05 21:00 ` Jeff Law
2014-08-03 13:54 ` [PATCH 10/50] cse.c:approx_reg_cost Richard Sandiford
2014-08-05 21:01 ` Jeff Law
2014-08-03 13:55 ` [PATCH 11/50] Faster for_each_rtx-like iterators Richard Sandiford
2014-08-06 18:20 ` Jeff Law
2014-08-03 13:56 ` [PATCH 12/50] cse.c:check_for_label_ref Richard Sandiford
2014-08-06 18:15 ` Jeff Law
2014-08-03 13:57 ` [PATCH 13/50] cse.c:is_dead_debug_insn Richard Sandiford
2014-08-05 21:03 ` Jeff Law
2014-08-03 13:58 ` [PATCH 14/50] cse.c:cse_change_cc_mode Richard Sandiford
2014-08-05 21:04 ` Jeff Law
2014-08-03 13:58 ` [PATCH 15/50] ddg.c:mark_mem_use Richard Sandiford
2014-08-05 21:04 ` Jeff Law
2014-08-03 13:59 ` [PATCH 16/50] ddg.c:insns_may_alias_p Richard Sandiford
2014-08-05 21:05 ` Jeff Law
2014-08-03 14:02 ` [PATCH 18/50] dse.c:check_mem_read_use Richard Sandiford
2014-08-05 21:06 ` Jeff Law
2014-08-03 14:02 ` [PATCH 17/50] df-problems.c:find_memory Richard Sandiford
2014-08-05 21:29 ` Jeff Law
2014-08-06 8:35 ` Richard Earnshaw
2014-08-03 14:03 ` [PATCH 19/50] dwarf2out.c:const_ok_for_output Richard Sandiford
2014-08-05 21:30 ` Jeff Law
2014-08-03 14:04 ` [PATCH 20/50] dwarf2out.c:resolve_one_addr Richard Sandiford
2014-08-05 21:31 ` Jeff Law
2014-08-03 14:07 ` [PATCH 21/50] Faster for_each_rtx-like iterators Richard Sandiford
2014-08-05 21:09 ` Jeff Law
2014-08-03 14:08 ` [PATCH 22/50] final.c:mark_symbol_refs_as_used Richard Sandiford
2014-08-05 21:10 ` Jeff Law
2014-08-03 14:09 ` [PATCH 23/50] function.c:instantiate_virtual_regs_in_rtx Richard Sandiford
2014-08-06 18:14 ` Jeff Law
2014-08-03 14:10 ` [PATCH 24/50] fwprop.c:varying_mem_p Richard Sandiford
2014-08-05 21:10 ` Jeff Law
2014-08-03 14:10 ` [PATCH 25/50] ira.c:set_paradoxical_subreg Richard Sandiford
2014-08-05 21:11 ` Jeff Law
2014-08-03 14:11 ` [PATCH 26/50] jump.c:returnjump_p Richard Sandiford
2014-08-05 21:11 ` Jeff Law
2014-08-03 14:12 ` [PATCH 27/50] jump.c:eh_returnjump_p Richard Sandiford
2014-08-05 21:11 ` Jeff Law
2014-08-03 14:13 ` [PATCH 28/50] loop-iv.c:replace_single_def_regs Richard Sandiford
2014-08-05 22:08 ` Jeff Law
2014-08-03 14:14 ` [PATCH 29/50] loop-iv.c:altered_reg_used Richard Sandiford
2014-08-05 21:12 ` Jeff Law
2014-08-03 14:15 ` [PATCH 30/50] lower-subreg.c:resolve_subreg_use Richard Sandiford
2014-08-06 18:12 ` Jeff Law
2014-08-03 14:15 ` [PATCH 31/50] lower-subreg.c:resolve_debug Richard Sandiford
2014-08-05 21:13 ` Jeff Law
2014-08-03 14:17 ` [PATCH 32/50] lower-subreg.c:find_decomposable_subregs Richard Sandiford
2014-08-06 18:11 ` Jeff Law
2014-08-03 14:18 ` [PATCH 33/50] reg-stack.c:subst_all_stack_regs_in_debug_insn Richard Sandiford
2014-08-05 21:13 ` Jeff Law
2014-08-03 14:19 ` [PATCH 34/50] regcprop.c:kill_autoinc_value Richard Sandiford
2014-08-05 21:16 ` Jeff Law
2014-08-03 14:20 ` [PATCH 35/50] regcprop.c:cprop_find_used_regs Richard Sandiford
2014-08-05 21:17 ` Jeff Law
2014-08-03 14:20 ` [PATCH 36/50] reload1.c:note_reg_elim_costly Richard Sandiford
2014-08-05 22:09 ` Jeff Law
2014-08-03 14:22 ` [PATCH 37/50] rtlanal.c:rtx_referenced_p Richard Sandiford
2014-08-05 22:10 ` Jeff Law
2014-08-03 14:25 ` [PATCH 38/50] rtlanal.c:replace_label Richard Sandiford
2014-08-05 22:11 ` Jeff Law
2014-08-03 14:27 ` Richard Sandiford [this message]
2014-08-05 21:19 ` [PATCH 39/50] rtlanal.c:record_hard_reg_uses Jeff Law
2014-08-03 14:32 ` [PATCH 40/50] rtlanal.c:for_each_inc_dec Richard Sandiford
2014-08-06 18:33 ` Jeff Law
2014-08-09 10:13 ` Richard Sandiford
2014-08-12 20:11 ` Jeff Law
2014-08-26 19:28 ` Richard Sandiford
2014-08-27 20:36 ` Jeff Law
2014-08-03 14:33 ` [PATCH 41/50] rtlanal.c:tls_referenced_p Richard Sandiford
2014-08-05 21:19 ` Jeff Law
2014-08-03 14:34 ` [PATCH 42/50] sel-sched.c:count_occurrences_equiv Richard Sandiford
2014-08-05 22:12 ` Jeff Law
2014-08-03 14:34 ` [PATCH 43/50] store-motion.c:extract_mentioned_regs Richard Sandiford
2014-08-05 21:20 ` Jeff Law
2014-08-03 14:35 ` [PATCH 44/50] var-tracking.c:rtx_debug_expr_p Richard Sandiford
2014-08-05 21:20 ` Jeff Law
2014-08-03 14:36 ` [PATCH 45/50] var-tracking.c:non_suitable_const Richard Sandiford
2014-08-05 21:21 ` Jeff Law
2014-08-03 14:38 ` [PATCH 47/50] var-tracking.c:add_uses Richard Sandiford
2014-08-05 21:22 ` Jeff Law
2014-08-03 14:38 ` [PATCH 46/50] var-tracking.c:use_narrower_mode_test Richard Sandiford
2014-08-05 22:19 ` Jeff Law
2014-08-03 14:42 ` [PATCH 48/50] varasm.c:const_rtx_hash Richard Sandiford
2014-08-05 22:18 ` Jeff Law
2014-08-03 14:43 ` [PATCH 49/50] varasm.c:mark_constants Richard Sandiford
2014-08-05 22:16 ` Jeff Law
2014-08-03 14:45 ` [PATCH 50/50] varasm.c:compute_reloc_for_rtx Richard Sandiford
2014-08-05 22:15 ` Jeff Law
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