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xtensa: Fix PR target/78603

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2016-11-29  Max Filippov  <jcmvbkbc@gmail.com>
gcc/
	* config/xtensa/xtensa.c (hwloop_optimize): Don't emit zero
	overhead loop start between a call and its CALL_ARG_LOCATION
	note.

From-SVN: r242979
This commit is contained in:
Max Filippov 2016-11-29 22:22:13 +00:00 • committed by Max Filippov
parent 576b067cc8
commit 464636c08a
2 changed files with 11 additions and 1 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2016-11-29 Max Filippov <jcmvbkbc@gmail.com>
PR target/78603
* config/xtensa/xtensa.c (hwloop_optimize): Don't emit zero
overhead loop start between a call and its CALL_ARG_LOCATION
note.
2016-11-29 Waldemar Brodkorb <wbx@openadk.org>
* config/bfin/linux.h (CPP_SPEC): Define.

5
gcc/config/xtensa/xtensa.c
View file

@ -4167,7 +4167,10 @@ hwloop_optimize (hwloop_info loop)
entry_after = BB_END (entry_bb);
while (DEBUG_INSN_P (entry_after)
|| (NOTE_P (entry_after)
&& NOTE_KIND (entry_after) != NOTE_INSN_BASIC_BLOCK))
&& NOTE_KIND (entry_after) != NOTE_INSN_BASIC_BLOCK
/* Make sure we don't split a call and its corresponding
CALL_ARG_LOCATION note. */
&& NOTE_KIND (entry_after) != NOTE_INSN_CALL_ARG_LOCATION))
entry_after = PREV_INSN (entry_after);
emit_insn_after (seq, entry_after);