Hi.
That fixes many UBSAN issues that are caused by:
{"all", dump_flags_t (~(TDF_RAW | TDF_SLIM | TDF_LINENO | TDF_GRAPH
| TDF_STMTADDR | TDF_RHS_ONLY | TDF_NOUID
| TDF_ENUMERATE_LOCALS | TDF_SCEV | TDF_GIMPLE))},
That goes out of:
minv = TYPE_MIN_VALUE (TREE_TYPE (type));
maxv = TYPE_MAX_VALUE (TREE_TYPE (type));
Thus I would like to limit value of "all".
Patch can bootstrap on ppc64le-redhat-linux and survives regression tests.
And UBSAN errors are gone.
Ready to be installed?
Martin
gcc/ChangeLog:
2018-07-23 Martin Liska
PR middle-end/86645
* dumpfile.c: And excluded values with TDF_ALL_VALUES.
* dumpfile.h (enum dump_flag): Defince TDF_ALL_VALUES.
---
gcc/dumpfile.c | 7 ---
gcc/dumpfile.h | 5 -
2 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/gcc/dumpfile.c b/gcc/dumpfile.c
index 6c9920c6bd2..176c9b846d7 100644
--- a/gcc/dumpfile.c
+++ b/gcc/dumpfile.c
@@ -150,9 +150,10 @@ static const kv_pair dump_options[] =
{"missed", MSG_MISSED_OPTIMIZATION},
{"note", MSG_NOTE},
{"optall", MSG_ALL},
- {"all", dump_flags_t (~(TDF_RAW | TDF_SLIM | TDF_LINENO | TDF_GRAPH
- | TDF_STMTADDR | TDF_RHS_ONLY | TDF_NOUID
- | TDF_ENUMERATE_LOCALS | TDF_SCEV | TDF_GIMPLE))},
+ {"all", dump_flags_t (TDF_ALL_VALUES
+ & ~(TDF_RAW | TDF_SLIM | TDF_LINENO | TDF_GRAPH
+ | TDF_STMTADDR | TDF_RHS_ONLY | TDF_NOUID
+ | TDF_ENUMERATE_LOCALS | TDF_SCEV | TDF_GIMPLE))},
{NULL, TDF_NONE}
};
diff --git a/gcc/dumpfile.h b/gcc/dumpfile.h
index ad14acdfc9a..1dbe3b85b7c 100644
--- a/gcc/dumpfile.h
+++ b/gcc/dumpfile.h
@@ -146,7 +146,10 @@ enum dump_flag
| MSG_NOTE),
/* Dumping for -fcompare-debug. */
- TDF_COMPARE_DEBUG = (1 << 25)
+ TDF_COMPARE_DEBUG = (1 << 25),
+
+ /* All values. */
+ TDF_ALL_VALUES = (1 << 26) - 1
};
/* Dump flags type. */