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arm-asm: Raise an error if asm_binary_opcode is used with PC as operand

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Danny Milosavljevic 2020-12-27 16:24:07 +01:00
parent 3a6f3e5f30
commit 67b402fda4
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1 changed files with 10 additions and 0 deletions
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arm-asm.c
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@ -217,11 +217,21 @@ static void asm_binary_opcode(TCCState *s1, int token)
return; return;
} }
if (ops[0].reg == 15) {
tcc_error("'%s' does not support 'pc' as operand", get_tok_str(token, NULL));
return;
}
if (ops[1].type != OP_REG32) { if (ops[1].type != OP_REG32) {
expect("(source operand) register"); expect("(source operand) register");
return; return;
} }
if (ops[1].reg == 15) {
tcc_error("'%s' does not support 'pc' as operand", get_tok_str(token, NULL));
return;
}
if (tok == ',') { if (tok == ',') {
next(); // skip ',' next(); // skip ','
if (tok == TOK_ASM_ror) { if (tok == TOK_ASM_ror) {