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| author | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2019-09-03 14:44:00 +0200 |
|---|---|---|
| committer | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2019-09-28 19:02:47 +0200 |
| commit | 5d0c4d96bdf4ab5df4ef0e31ab433e605299aabd (patch) | |
| tree | 02c39e0cba933891c8ffcc7d296ac34756fa77b8 | |
| parent | ad1e7dc055a1a177ca79c72de3c8c87594abba6c (diff) | |
| download | sparse-5d0c4d96bdf4ab5df4ef0e31ab433e605299aabd.tar.gz | |
asm: arrays & functions in non-memory operand degenerate into pointers
Non-memory asm operands are very much like function's arguments.
As such, any array (or function designator) used as an asm operand
need to degenerate into the corresponding pointer.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
| -rw-r--r-- | evaluate.c | 3 | ||||
| -rw-r--r-- | validation/eval/asm-degen.c | 1 |
2 files changed, 3 insertions, 1 deletions
@@ -3592,6 +3592,9 @@ static void evaluate_asm_memop(struct asm_operand *op) evaluate_addressof(addr); op->expr = addr; + } else { + evaluate_expression(op->expr); + degenerate(op->expr); } } diff --git a/validation/eval/asm-degen.c b/validation/eval/asm-degen.c index 5f319159..7bbed925 100644 --- a/validation/eval/asm-degen.c +++ b/validation/eval/asm-degen.c @@ -29,7 +29,6 @@ static void qux(void) /* * check-name: asm-degen - * check-known-to-fail * * check-error-start eval/asm-degen.c:12:24: warning: dereference of noderef expression |