diff options
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 2ade695b980..f880b461f26 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -1572,7 +1572,11 @@ simplify_binary_operation (enum rtx_code code, enum machine_mode mode, return simplify_gen_unary (NEG, mode, op1, mode); /* (-1 - a) is ~a. */ - if (trueop0 == constm1_rtx) + /* APPLE LOCAL disallow (not (SYM)) + But not when a is relocatable (this arises temporarily when + pulling 386 global addresses out of a loop). */ + if (trueop0 == constm1_rtx + && GET_CODE (op1) != SYMBOL_REF ) return simplify_gen_unary (NOT, mode, op1, mode); /* Subtracting 0 has no effect unless the mode has signed zeros |