arm-asm: Raise error if user tries to use PC for offset register of single data transfer

Danny Milosavljevic committed 5 years ago

Commit 757eccd1 parent 00783951 file · +4 −0Browse files

Unified · Split

arm-asm.c+4−0

@@ -1016,6 +1016,10 @@ static void asm_single_data_transfer_opcode(TCCState *s1, int token) · 1015 unmodified lines
1016	1016	}
1017	1017	parse_operand(s1, &ops[2]);
1018	1018	if (ops[2].type == OP_REG32) {
	1019	+ if (ops[2].reg == 15) {
	1020	+ tcc_error("Using 'pc' for register offset in '%s' is not implemented by ARM", get_tok_str(token, NULL));
	1021	+ return;
	1022	+ }
1019	1023	if (tok == ',') {
1020	1024	next();
1021	1025	opcode \|= asm_parse_optional_shift(s1, &nb_shift, &shift);