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dbgcnt.def (gimple_unroll): New.

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2019-11-07  Richard Biener  <rguenther@suse.de>

	* dbgcnt.def (gimple_unroll): New.
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Check
	gimple_unroll debug counter before applying transform.
	(try_peel_loop): Likewise.

From-SVN: r277907
This commit is contained in:
Richard Biener 2019-11-07 07:36:39 +00:00 • committed by Richard Biener
parent f06abe6d75
commit 76bc24ff68
3 changed files with 15 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2019-11-07 Richard Biener <rguenther@suse.de>
* dbgcnt.def (gimple_unroll): New.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Check
gimple_unroll debug counter before applying transform.
(try_peel_loop): Likewise.
2019-11-07 Kwok Cheung Yeung <kcy@codesourcery.com>
* ira.c (setup_alloc_regs): Setup no_unit_alloc_regs for

1
gcc/dbgcnt.def
View file

@ -198,3 +198,4 @@ DEBUG_COUNTER (vect_slp)
DEBUG_COUNTER (dom_unreachable_edges)
DEBUG_COUNTER (match)
DEBUG_COUNTER (store_merging)
DEBUG_COUNTER (gimple_unroll)

7
gcc/tree-ssa-loop-ivcanon.c
View file

@ -64,6 +64,7 @@ along with GCC; see the file COPYING3. If not see
#include "tree-cfgcleanup.h"
#include "builtins.h"
#include "tree-ssa-sccvn.h"
#include "dbgcnt.h"
/* Specifies types of loops that may be unrolled. */
@ -884,6 +885,9 @@ try_unroll_loop_completely (class loop *loop,
}
}
if (!dbg_cnt (gimple_unroll))
return false;
initialize_original_copy_tables ();
auto_sbitmap wont_exit (n_unroll + 1);
if (exit && niter
@ -1074,6 +1078,9 @@ try_peel_loop (class loop *loop,
return false;
}
if (!dbg_cnt (gimple_unroll))
return false;
/* Duplicate possibly eliminating the exits. */
initialize_original_copy_tables ();
auto_sbitmap wont_exit (npeel + 1);