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Do not allow memory bit select on the left side of an assignment

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Clifford Wolf 2013-11-20 12:18:46 +01:00
parent 0f04738f40
commit c4c299eb5a
1 changed files with 1 additions and 1 deletions
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frontends/ast/simplify.cc
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@ -473,7 +473,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
// split memory access with bit select to individual statements // split memory access with bit select to individual statements
if (type == AST_IDENTIFIER && children.size() == 2 && children[0]->type == AST_RANGE && children[1]->type == AST_RANGE) if (type == AST_IDENTIFIER && children.size() == 2 && children[0]->type == AST_RANGE && children[1]->type == AST_RANGE)
{ {
if (id2ast == NULL || id2ast->type != AST_MEMORY || children[0]->children.size() != 1) if (id2ast == NULL || id2ast->type != AST_MEMORY || children[0]->children.size() != 1 || in_lvalue)
log_error("Invalid bit-select on memory access at %s:%d!\n", filename.c_str(), linenum); log_error("Invalid bit-select on memory access at %s:%d!\n", filename.c_str(), linenum);
int mem_width, mem_size, addr_bits; int mem_width, mem_size, addr_bits;