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authorBernd Schmidt <bernds@redhat.com>2016-01-21 18:10:03 +0000
committerBernd Schmidt <bernds@gcc.gnu.org>2016-01-21 18:10:03 +0000
commit9776e6920dec9aa23adbdd7f0c264804c7fe6fdf (patch)
tree66b303926820db0d7a4362846c12773014ef8d1e /gcc/rtl.h
parenta71c0334f783c44a146b5003a09847571e71f366 (diff)
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Fix PR66178, ICE due to misexpansion of constant expressions involving labels.
PR middle-end/66178 * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't drop EXPAND_INITIALIZER. * rtl.h (contains_symbolic_reference_p): Declare. * rtlanal.c (contains_symbolic_reference_p): New function. * simplify-rtx.c (simplify_binary_operation_1): Don't turn a subtraction into a NOT if symbolic constants are involved. testsuite/ PR middle-end/66178 gcc.dg/torture/pr66178.c: New test. From-SVN: r232689
Diffstat (limited to 'gcc/rtl.h')
-rw-r--r--gcc/rtl.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/rtl.h b/gcc/rtl.h
index 515fdee..2f5be5f 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -2931,6 +2931,7 @@ extern void set_insn_deleted (rtx);
extern rtx single_set_2 (const rtx_insn *, const_rtx);
extern bool contains_symbol_ref_p (const_rtx);
+extern bool contains_symbolic_reference_p (const_rtx);
/* Handle the cheap and common cases inline for performance. */