From e2842d30ce62fc951dddc359fb43693374bf37f6 Mon Sep 17 00:00:00 2001
From: amylaar <amylaar@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 19 Jun 2000 22:31:47 +0000
Subject: [PATCH] * Take REG_INC notes into account.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34603 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 4 ++++
gcc/flow.c | 10 ++++++++++
2 files changed, 14 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e0e8ae61d50e..85690c532048 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * Take REG_INC notes into account.
+
2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
* c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
diff --git a/gcc/flow.c b/gcc/flow.c
index 99cfbfcff122..dab034ecc491 100644
--- a/gcc/flow.c
+++ b/gcc/flow.c
@@ -4152,8 +4152,18 @@ mark_set_regs (pbi, x, insn)
rtx x, insn;
{
rtx cond = NULL_RTX;
+ rtx link;
enum rtx_code code;
+ if (insn)
+ for (link = REG_NOTES (insn); link; link = XEXP (link, 1))
+ {
+ if (REG_NOTE_KIND (link) == REG_INC)
+ mark_set_1 (pbi, SET, XEXP (link, 0),
+ (GET_CODE (x) == COND_EXEC
+ ? COND_EXEC_TEST (x) : NULL_RTX),
+ insn, pbi->flags);
+ }
retry:
switch (code = GET_CODE (x))
{
--
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