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authorClifford Wolf <clifford@clifford.at>2015-01-15 12:41:52 +0100
committerClifford Wolf <clifford@clifford.at>2015-01-15 12:41:52 +0100
commit8e8e791fb5dba3eb0a236cbed8c13bd5ac5ce96c (patch)
treedfa1e5499224f3f0de07591bfe2fbb259afa5bbc
parent153d3dd4e0b6e8725e2afbc973cbc1e836cb0703 (diff)
Consolidate "Blocking assignment to memory.." msgs for the same line
-rw-r--r--frontends/ast/simplify.cc12
1 files changed, 9 insertions, 3 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index 2ce2d57d..5ab778e6 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -51,6 +51,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
{
AstNode *newNode = NULL;
bool did_something = false;
+ static pair<string, int> last_blocking_assignment_warn;
#if 0
log("-------------\n");
@@ -62,6 +63,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
if (stage == 0)
{
log_assert(type == AST_MODULE);
+ last_blocking_assignment_warn = pair<string, int>();
while (simplify(const_fold, at_zero, in_lvalue, 1, width_hint, sign_hint, in_param)) { }
@@ -1259,9 +1261,13 @@ skip_dynamic_range_lvalue_expansion:;
sstr << "$memwr$" << children[0]->str << "$" << filename << ":" << linenum << "$" << (autoidx++);
std::string id_addr = sstr.str() + "_ADDR", id_data = sstr.str() + "_DATA", id_en = sstr.str() + "_EN";
- if (type == AST_ASSIGN_EQ)
- log_warning("Blocking assignment to memory in line %s:%d is handled like a non-blocking assignment.\n",
- filename.c_str(), linenum);
+ if (type == AST_ASSIGN_EQ) {
+ pair<string, int> this_blocking_assignment_warn(filename, linenum);
+ if (this_blocking_assignment_warn != last_blocking_assignment_warn)
+ log_warning("Blocking assignment to memory in line %s:%d is handled like a non-blocking assignment.\n",
+ filename.c_str(), linenum);
+ last_blocking_assignment_warn = this_blocking_assignment_warn;
+ }
int mem_width, mem_size, addr_bits;
children[0]->id2ast->meminfo(mem_width, mem_size, addr_bits);