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author | Bernd Schmidt <bernds@redhat.com> | 2016-01-21 18:10:03 +0000 |
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committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2016-01-21 18:10:03 +0000 |
commit | 9776e6920dec9aa23adbdd7f0c264804c7fe6fdf (patch) | |
tree | 66b303926820db0d7a4362846c12773014ef8d1e /gcc/rtl.h | |
parent | a71c0334f783c44a146b5003a09847571e71f366 (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.h | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -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. */ |