From 59cce7b304a8cbbb508ba21ab2f9052d3ee9a9e3 Mon Sep 17 00:00:00 2001 From: Max Filippov Date: Tue, 29 Nov 2016 13:09:17 -0800 Subject: [PATCH 2/2] xtensa: Fix PR target/78603 2016-11-29 Max Filippov gcc/ * config/xtensa/xtensa.c (hwloop_optimize): Don't emit zero overhead loop start between a call and its CALL_ARG_LOCATION note. Signed-off-by: Max Filippov --- Backported from: r242979 gcc/config/xtensa/xtensa.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c index e49f784..70f698a 100644 --- a/gcc/config/xtensa/xtensa.c +++ b/gcc/config/xtensa/xtensa.c @@ -4158,7 +4158,10 @@ 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); -- 2.1.4