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Commit f62c6a62 by Kyrylo Tkachov Committed by Kyrylo Tkachov
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[RTL ifcvt] Print name of noce trasform that succeeded in dump file 

	* ifcvt.c (struct noce_if_info): Add transform_name field.
	(noce_try_move): Set if_info->transform_name to the function name.
	(noce_try_ifelse_collapse): Likewise.
	(noce_try_store_flag): Likewise.
	(noce_try_inverse_constants): Likewise.
	(noce_try_store_flag_constants): Likewise.
	(noce_try_addcc): Likewise.
	(noce_try_store_flag_mask): Likewise.
	(noce_try_cmove): Likewise.
	(noce_try_cmove_arith): Likewise.
	(noce_try_minmax): Likewise.
	(noce_try_abs): Likewise.
	(noce_try_sign_mask): Likewise.
	(noce_try_bitop): Likewise.
	(noce_convert_multiple_sets): Likewise.
	(noce_process_if_block): Print if_info->transform_name to
	dump_file if transformation succeeded.

From-SVN: r237250
parent b111f1f9
Showing with 54 additions and 0 deletions
gcc/ChangeLog
2016-06-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com> 2016-06-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* ifcvt.c (struct noce_if_info): Add transform_name field.
(noce_try_move): Set if_info->transform_name to the function name.
(noce_try_ifelse_collapse): Likewise.
(noce_try_store_flag): Likewise.
(noce_try_inverse_constants): Likewise.
(noce_try_store_flag_constants): Likewise.
(noce_try_addcc): Likewise.
(noce_try_store_flag_mask): Likewise.
(noce_try_cmove): Likewise.
(noce_try_cmove_arith): Likewise.
(noce_try_minmax): Likewise.
(noce_try_abs): Likewise.
(noce_try_sign_mask): Likewise.
(noce_try_bitop): Likewise.
(noce_convert_multiple_sets): Likewise.
(noce_process_if_block): Print if_info->transform_name to
dump_file if transformation succeeded.
2016-06-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/arm/cortex-a57.md (cortex_a57_alu): * config/arm/cortex-a57.md (cortex_a57_alu):
Handle csel type. Handle csel type.
......
gcc/ifcvt.c
...@@ -813,6 +813,10 @@ struct noce_if_info ...@@ -813,6 +813,10 @@ struct noce_if_info
/* Estimated cost of the particular branch instruction. */ /* Estimated cost of the particular branch instruction. */
unsigned int branch_cost; unsigned int branch_cost;
/* The name of the noce transform that succeeded in if-converting
this structure. Used for debugging. */
const char *transform_name;
}; };
static rtx noce_emit_store_flag (struct noce_if_info *, rtx, int, int); static rtx noce_emit_store_flag (struct noce_if_info *, rtx, int, int);
...@@ -1116,6 +1120,7 @@ noce_try_move (struct noce_if_info *if_info) ...@@ -1116,6 +1120,7 @@ noce_try_move (struct noce_if_info *if_info)
emit_insn_before_setloc (seq, if_info->jump, emit_insn_before_setloc (seq, if_info->jump,
INSN_LOCATION (if_info->insn_a)); INSN_LOCATION (if_info->insn_a));
} }
if_info->transform_name = "noce_try_move";
return TRUE; return TRUE;
} }
return FALSE; return FALSE;
...@@ -1148,6 +1153,8 @@ noce_try_ifelse_collapse (struct noce_if_info * if_info) ...@@ -1148,6 +1153,8 @@ noce_try_ifelse_collapse (struct noce_if_info * if_info)
emit_insn_before_setloc (seq, if_info->jump, emit_insn_before_setloc (seq, if_info->jump,
INSN_LOCATION (if_info->insn_a)); INSN_LOCATION (if_info->insn_a));
if_info->transform_name = "noce_try_ifelse_collapse";
return TRUE; return TRUE;
} }
...@@ -1195,6 +1202,7 @@ noce_try_store_flag (struct noce_if_info *if_info) ...@@ -1195,6 +1202,7 @@ noce_try_store_flag (struct noce_if_info *if_info)
emit_insn_before_setloc (seq, if_info->jump, emit_insn_before_setloc (seq, if_info->jump,
INSN_LOCATION (if_info->insn_a)); INSN_LOCATION (if_info->insn_a));
if_info->transform_name = "noce_try_store_flag";
return TRUE; return TRUE;
} }
else else
...@@ -1273,6 +1281,7 @@ noce_try_inverse_constants (struct noce_if_info *if_info) ...@@ -1273,6 +1281,7 @@ noce_try_inverse_constants (struct noce_if_info *if_info)
emit_insn_before_setloc (seq, if_info->jump, emit_insn_before_setloc (seq, if_info->jump,
INSN_LOCATION (if_info->insn_a)); INSN_LOCATION (if_info->insn_a));
if_info->transform_name = "noce_try_inverse_constants";
return true; return true;
} }
...@@ -1493,6 +1502,8 @@ noce_try_store_flag_constants (struct noce_if_info *if_info) ...@@ -1493,6 +1502,8 @@ noce_try_store_flag_constants (struct noce_if_info *if_info)
emit_insn_before_setloc (seq, if_info->jump, emit_insn_before_setloc (seq, if_info->jump,
INSN_LOCATION (if_info->insn_a)); INSN_LOCATION (if_info->insn_a));
if_info->transform_name = "noce_try_store_flag_constants";
return TRUE; return TRUE;
} }
...@@ -1545,6 +1556,8 @@ noce_try_addcc (struct noce_if_info *if_info) ...@@ -1545,6 +1556,8 @@ noce_try_addcc (struct noce_if_info *if_info)
emit_insn_before_setloc (seq, if_info->jump, emit_insn_before_setloc (seq, if_info->jump,
INSN_LOCATION (if_info->insn_a)); INSN_LOCATION (if_info->insn_a));
if_info->transform_name = "noce_try_addcc";
return TRUE; return TRUE;
} }
end_sequence (); end_sequence ();
...@@ -1585,6 +1598,7 @@ noce_try_addcc (struct noce_if_info *if_info) ...@@ -1585,6 +1598,7 @@ noce_try_addcc (struct noce_if_info *if_info)
emit_insn_before_setloc (seq, if_info->jump, emit_insn_before_setloc (seq, if_info->jump,
INSN_LOCATION (if_info->insn_a)); INSN_LOCATION (if_info->insn_a));
if_info->transform_name = "noce_try_addcc";
return TRUE; return TRUE;
} }
end_sequence (); end_sequence ();
...@@ -1649,6 +1663,8 @@ noce_try_store_flag_mask (struct noce_if_info *if_info) ...@@ -1649,6 +1663,8 @@ noce_try_store_flag_mask (struct noce_if_info *if_info)
emit_insn_before_setloc (seq, if_info->jump, emit_insn_before_setloc (seq, if_info->jump,
INSN_LOCATION (if_info->insn_a)); INSN_LOCATION (if_info->insn_a));
if_info->transform_name = "noce_try_store_flag_mask";
return TRUE; return TRUE;
} }
...@@ -1799,6 +1815,8 @@ noce_try_cmove (struct noce_if_info *if_info) ...@@ -1799,6 +1815,8 @@ noce_try_cmove (struct noce_if_info *if_info)
emit_insn_before_setloc (seq, if_info->jump, emit_insn_before_setloc (seq, if_info->jump,
INSN_LOCATION (if_info->insn_a)); INSN_LOCATION (if_info->insn_a));
if_info->transform_name = "noce_try_cmove";
return TRUE; return TRUE;
} }
/* If both a and b are constants try a last-ditch transformation: /* If both a and b are constants try a last-ditch transformation:
...@@ -1852,6 +1870,7 @@ noce_try_cmove (struct noce_if_info *if_info) ...@@ -1852,6 +1870,7 @@ noce_try_cmove (struct noce_if_info *if_info)
emit_insn_before_setloc (seq, if_info->jump, emit_insn_before_setloc (seq, if_info->jump,
INSN_LOCATION (if_info->insn_a)); INSN_LOCATION (if_info->insn_a));
if_info->transform_name = "noce_try_cmove";
return TRUE; return TRUE;
} }
else else
...@@ -2305,6 +2324,7 @@ noce_try_cmove_arith (struct noce_if_info *if_info) ...@@ -2305,6 +2324,7 @@ noce_try_cmove_arith (struct noce_if_info *if_info)
emit_insn_before_setloc (ifcvt_seq, if_info->jump, emit_insn_before_setloc (ifcvt_seq, if_info->jump,
INSN_LOCATION (if_info->insn_a)); INSN_LOCATION (if_info->insn_a));
if_info->transform_name = "noce_try_cmove_arith";
return TRUE; return TRUE;
end_seq_and_fail: end_seq_and_fail:
...@@ -2561,6 +2581,7 @@ noce_try_minmax (struct noce_if_info *if_info) ...@@ -2561,6 +2581,7 @@ noce_try_minmax (struct noce_if_info *if_info)
emit_insn_before_setloc (seq, if_info->jump, INSN_LOCATION (if_info->insn_a)); emit_insn_before_setloc (seq, if_info->jump, INSN_LOCATION (if_info->insn_a));
if_info->cond = cond; if_info->cond = cond;
if_info->cond_earliest = earliest; if_info->cond_earliest = earliest;
if_info->transform_name = "noce_try_minmax";
return TRUE; return TRUE;
} }
...@@ -2727,6 +2748,7 @@ noce_try_abs (struct noce_if_info *if_info) ...@@ -2727,6 +2748,7 @@ noce_try_abs (struct noce_if_info *if_info)
emit_insn_before_setloc (seq, if_info->jump, INSN_LOCATION (if_info->insn_a)); emit_insn_before_setloc (seq, if_info->jump, INSN_LOCATION (if_info->insn_a));
if_info->cond = cond; if_info->cond = cond;
if_info->cond_earliest = earliest; if_info->cond_earliest = earliest;
if_info->transform_name = "noce_try_abs";
return TRUE; return TRUE;
} }
...@@ -2808,6 +2830,8 @@ noce_try_sign_mask (struct noce_if_info *if_info) ...@@ -2808,6 +2830,8 @@ noce_try_sign_mask (struct noce_if_info *if_info)
return FALSE; return FALSE;
emit_insn_before_setloc (seq, if_info->jump, INSN_LOCATION (if_info->insn_a)); emit_insn_before_setloc (seq, if_info->jump, INSN_LOCATION (if_info->insn_a));
if_info->transform_name = "noce_try_sign_mask";
return TRUE; return TRUE;
} }
...@@ -2913,6 +2937,7 @@ noce_try_bitop (struct noce_if_info *if_info) ...@@ -2913,6 +2937,7 @@ noce_try_bitop (struct noce_if_info *if_info)
emit_insn_before_setloc (seq, if_info->jump, emit_insn_before_setloc (seq, if_info->jump,
INSN_LOCATION (if_info->insn_a)); INSN_LOCATION (if_info->insn_a));
} }
if_info->transform_name = "noce_try_bitop";
return TRUE; return TRUE;
} }
...@@ -3276,6 +3301,7 @@ noce_convert_multiple_sets (struct noce_if_info *if_info) ...@@ -3276,6 +3301,7 @@ noce_convert_multiple_sets (struct noce_if_info *if_info)
} }
num_updated_if_blocks++; num_updated_if_blocks++;
if_info->transform_name = "noce_convert_multiple_sets";
return TRUE; return TRUE;
} }
...@@ -3372,8 +3398,13 @@ noce_process_if_block (struct noce_if_info *if_info) ...@@ -3372,8 +3398,13 @@ noce_process_if_block (struct noce_if_info *if_info)
&& bb_ok_for_noce_convert_multiple_sets (then_bb, if_info)) && bb_ok_for_noce_convert_multiple_sets (then_bb, if_info))
{ {
if (noce_convert_multiple_sets (if_info)) if (noce_convert_multiple_sets (if_info))
{
if (dump_file && if_info->transform_name)
fprintf (dump_file, "if-conversion succeeded through %s\n",
if_info->transform_name);
return TRUE; return TRUE;
} }
}
if (! bb_valid_for_noce_process_p (then_bb, cond, &if_info->then_cost, if (! bb_valid_for_noce_process_p (then_bb, cond, &if_info->then_cost,
&if_info->then_simple)) &if_info->then_simple))
...@@ -3571,6 +3602,9 @@ noce_process_if_block (struct noce_if_info *if_info) ...@@ -3571,6 +3602,9 @@ noce_process_if_block (struct noce_if_info *if_info)
return FALSE; return FALSE;
success: success:
if (dump_file && if_info->transform_name)
fprintf (dump_file, "if-conversion succeeded through %s\n",
if_info->transform_name);
/* If we used a temporary, fix it up now. */ /* If we used a temporary, fix it up now. */
if (orig_x != x) if (orig_x != x)
......
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