From e54bd4ab156d04ee02da62008d34c7eaba498d5e Mon Sep 17 00:00:00 2001 From: Jakub Jelinek 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 ad0ce7f94ee..34f7feed1d7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2015-01-15 Jakub Jelinek + + * 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 * expr.c (expand_expr_real_1) : Use the expression to diff --git a/gcc/cse.c b/gcc/cse.c index ec64ffa004b..8806197730c 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 9f805b546d1..19cdc52bbfa 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 be9078cabaa..e5eb9e6366e 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++; -- 2.30.2