From e54bd4ab156d04ee02da62008d34c7eaba498d5e Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 15 Jan 2015 14:08:44 +0100
Subject: [PATCH] gengtype.c (create_user_defined_type): Workaround
-Wmaybe-uninitialized false positives.
* gengtype.c (create_user_defined_type): Workaround
-Wmaybe-uninitialized false positives.
* cse.c (fold_rtx): Likewise.
* loop-invariant.c (gain_for_invariant): Likewise.
From-SVN: r219652
---
gcc/ChangeLog | 7 +++++++
gcc/cse.c | 6 ++++--
gcc/gengtype.c | 4 +++-
gcc/loop-invariant.c | 4 +++-
4 files changed, 17 insertions(+), 4 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ad0ce7f94eee..34f7feed1d72 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2015-01-15 Jakub Jelinek <jakub@redhat.com>
+
+ * gengtype.c (create_user_defined_type): Workaround
+ -Wmaybe-uninitialized false positives.
+ * cse.c (fold_rtx): Likewise.
+ * loop-invariant.c (gain_for_invariant): Likewise.
+
2015-01-15 Eric Botcazou <ebotcazou@adacore.com>
* expr.c (expand_expr_real_1) <normal_inner_ref>: Use the expression to
diff --git a/gcc/cse.c b/gcc/cse.c
index ec64ffa004b8..8806197730ca 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -3093,8 +3093,10 @@ fold_rtx (rtx x, rtx_insn *insn)
int changed = 0;
/* Operands of X. */
- rtx folded_arg0;
- rtx folded_arg1;
+ /* Workaround -Wmaybe-uninitialized false positive during
+ profiledbootstrap by initializing them. */
+ rtx folded_arg0 = NULL_RTX;
+ rtx folded_arg1 = NULL_RTX;
/* Constant equivalents of first three operands of X;
0 when no such equivalent is known. */
diff --git a/gcc/gengtype.c b/gcc/gengtype.c
index 9f805b546d16..19cdc52bbfa7 100644
--- a/gcc/gengtype.c
+++ b/gcc/gengtype.c
@@ -611,7 +611,9 @@ create_user_defined_type (const char *type_name, struct fileloc *pos)
comma-separated list of strings, implicitly assumed to
be type names, potentially with "*" characters. */
char *arg = open_bracket + 1;
- char *next;
+ /* Workaround -Wmaybe-uninitialized false positive during
+ profiledbootstrap by initializing it. */
+ char *next = NULL;
char *type_id = strtoken (arg, ",>", &next);
pair_p fields = 0;
while (type_id)
diff --git a/gcc/loop-invariant.c b/gcc/loop-invariant.c
index be9078cabaa1..e5eb9e6366e6 100644
--- a/gcc/loop-invariant.c
+++ b/gcc/loop-invariant.c
@@ -1268,7 +1268,9 @@ gain_for_invariant (struct invariant *inv, unsigned *regs_needed,
bool speed, bool call_p)
{
int comp_cost, size_cost;
- enum reg_class cl;
+ /* Workaround -Wmaybe-uninitialized false positive during
+ profiledbootstrap by initializing it. */
+ enum reg_class cl = NO_REGS;
int ret;
actual_stamp++;