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36 lines
1.3 KiB
Diff
36 lines
1.3 KiB
Diff
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From b18fe564ed233ee0965b3a980edc5dbe069b80ea Mon Sep 17 00:00:00 2001
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From: Max Filippov <jcmvbkbc@gmail.com>
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Date: Tue, 29 Nov 2016 13:09:17 -0800
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Subject: [PATCH] xtensa: Fix PR target/78603
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2016-11-29 Max Filippov <jcmvbkbc@gmail.com>
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gcc/
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* config/xtensa/xtensa.c (hwloop_optimize): Don't emit zero
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overhead loop start between a call and its CALL_ARG_LOCATION
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note.
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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---
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gcc/config/xtensa/xtensa.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c
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index 206ff80..36ab1e3 100644
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--- a/gcc/config/xtensa/xtensa.c
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+++ b/gcc/config/xtensa/xtensa.c
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@@ -4182,7 +4182,10 @@ hwloop_optimize (hwloop_info loop)
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entry_after = BB_END (entry_bb);
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while (DEBUG_INSN_P (entry_after)
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|| (NOTE_P (entry_after)
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- && NOTE_KIND (entry_after) != NOTE_INSN_BASIC_BLOCK))
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+ && NOTE_KIND (entry_after) != NOTE_INSN_BASIC_BLOCK
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+ /* Make sure we don't split a call and its corresponding
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+ CALL_ARG_LOCATION note. */
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+ && NOTE_KIND (entry_after) != NOTE_INSN_CALL_ARG_LOCATION))
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entry_after = PREV_INSN (entry_after);
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emit_insn_after (seq, entry_after);
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--
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2.1.4
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