mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-04-13 04:28:18 +00:00
Code Activity

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

Browse source
This commit is contained in:
Clifford Wolf 2013-11-20 12:18:46 +01:00
parent 0f04738f40
commit c4c299eb5a
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
frontends/ast/simplify.cc
View file

@ -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;