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* [gcc(refs/users/marxin/heads/loop-unswitch-improvement-v6)] Use dump_printf_loc.
@ 2021-12-07 15:22 Martin Liska
0 siblings, 0 replies; only message in thread
From: Martin Liska @ 2021-12-07 15:22 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:aae9313ce268a9f29c4f1f730ddd13388599fec6
commit aae9313ce268a9f29c4f1f730ddd13388599fec6
Author: Martin Liska <mliska@suse.cz>
Date: Tue Dec 7 16:19:47 2021 +0100
Use dump_printf_loc.
Diff:
---
gcc/tree-ssa-loop-unswitch.c | 41 ++++++++++++++++++++---------------------
1 file changed, 20 insertions(+), 21 deletions(-)
diff --git a/gcc/tree-ssa-loop-unswitch.c b/gcc/tree-ssa-loop-unswitch.c
index 9e6aa49a6f2..76ebd507205 100644
--- a/gcc/tree-ssa-loop-unswitch.c
+++ b/gcc/tree-ssa-loop-unswitch.c
@@ -786,14 +786,17 @@ tree_unswitch_single_loop (class loop *loop, int num,
bool changed = false;
HOST_WIDE_INT iterations;
+ dump_user_location_t loc (last_stmt (loop->header));
+
/* Perform initial tests if unswitch is eligible. */
if (num == 0)
{
/* Do not unswitch in cold regions. */
if (optimize_loop_for_size_p (loop))
{
- if (dump_file && (dump_flags & TDF_DETAILS))
- fprintf (dump_file, ";; Not unswitching cold loops\n");
+ if (dump_enabled_p ())
+ dump_printf_loc (MSG_MISSED_OPTIMIZATION, loc,
+ "Not unswitching cold loops\n");
return false;
}
@@ -804,9 +807,10 @@ tree_unswitch_single_loop (class loop *loop, int num,
iterations = likely_max_loop_iterations_int (loop);
if (iterations >= 0 && iterations <= 1)
{
- if (dump_file && (dump_flags & TDF_DETAILS))
- fprintf (dump_file, ";; Not unswitching, loop is not expected"
- " to iterate\n");
+ if (dump_enabled_p ())
+ dump_printf_loc (MSG_MISSED_OPTIMIZATION, loc,
+ "Not unswitching, loop is not expected"
+ " to iterate\n");
return false;
}
}
@@ -815,9 +819,9 @@ tree_unswitch_single_loop (class loop *loop, int num,
basic_block bb = NULL;
if (num > param_max_unswitch_level)
{
- if (dump_file
- && (dump_flags & TDF_DETAILS))
- fprintf (dump_file, ";; Not unswitching anymore, hit max level\n");
+ if (dump_enabled_p ())
+ dump_printf_loc (MSG_MISSED_OPTIMIZATION, loc,
+ "Not unswitching anymore, hit max level\n");
goto exit;
}
@@ -844,13 +848,10 @@ tree_unswitch_single_loop (class loop *loop, int num,
budget -= cost;
break;
}
- else if (dump_file && (dump_flags & TDF_DETAILS))
- {
- fprintf (dump_file, ";; Not unswitching condition, cost too big "
- "(%d insns): ", cost);
- print_generic_expr (dump_file, pred->condition);
- fprintf (dump_file, "\n");
- }
+ else if (dump_enabled_p ())
+ dump_printf_loc (MSG_MISSED_OPTIMIZATION, loc,
+ "Not unswitching condition, cost too big "
+ "(%d insns)\n", cost);
}
}
@@ -859,12 +860,10 @@ tree_unswitch_single_loop (class loop *loop, int num,
if (!dbg_cnt (loop_unswitch))
goto exit;
- if (dump_file && (dump_flags & TDF_DETAILS))
- {
- fprintf (dump_file, ";; Unswitching loop on condition: ");
- print_generic_expr (dump_file, predicate->condition);
- fprintf (dump_file, "\n");
- }
+ if (dump_enabled_p ())
+ dump_printf_loc (MSG_OPTIMIZED_LOCATIONS, loc,
+ "Unswitching loop on condition: %T\n",
+ predicate->condition);
predicate->handled = true;
initialize_original_copy_tables ();
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