diff options
author | Xiretza <xiretza@xiretza.xyz> | 2020-05-04 21:12:30 +0200 |
---|---|---|
committer | Xiretza <xiretza@xiretza.xyz> | 2020-05-07 13:39:34 +0200 |
commit | 695150b0378528233837348b598033b137b8a949 (patch) | |
tree | df1720c84ac61299984dde8a0c0ac3bf52c99924 /frontends | |
parent | a299e606f864942c7edf90c4ad3998f4f4a346cf (diff) | |
download | yosys-695150b0378528233837348b598033b137b8a949.tar.gz yosys-695150b0378528233837348b598033b137b8a949.tar.bz2 yosys-695150b0378528233837348b598033b137b8a949.zip |
Add YS_FALLTHROUGH macro to mark case fall-through
C++17 introduced [[fallthrough]], GCC and clang had their own vendored
attributes before that. MSVC doesn't seem to have such a warning at all.
Diffstat (limited to 'frontends')
-rw-r--r-- | frontends/ast/genrtlil.cc | 7 | ||||
-rw-r--r-- | frontends/ast/simplify.cc | 2 |
2 files changed, 5 insertions, 4 deletions
diff --git a/frontends/ast/genrtlil.cc b/frontends/ast/genrtlil.cc index 996762715..b5cdf270f 100644 --- a/frontends/ast/genrtlil.cc +++ b/frontends/ast/genrtlil.cc @@ -923,7 +923,7 @@ void AstNode::detectSignWidthWorker(int &width_hint, bool &sign_hint, bool *foun } break; } - /* fall through */ + YS_FALLTHROUGH // everything should have been handled above -> print error if not. default: @@ -1019,7 +1019,7 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint) if (GetSize(children) >= 1 && children[0]->type == AST_CONSTANT) { current_module->parameter_default_values[str] = children[0]->asParaConst(); } - /* fall through */ + YS_FALLTHROUGH case AST_LOCALPARAM: if (flag_pwires) { @@ -1807,7 +1807,8 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint) is_signed = sign_hint; return SigSpec(wire); } - } /* fall through */ + } + YS_FALLTHROUGH // everything should have been handled above -> print error if not. default: diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index 252219094..892e84554 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -91,7 +91,7 @@ std::string AstNode::process_format_str(const std::string &sformat, int next_arg case 'D': if (got_len) goto unsupported_format; - /* fall through */ + YS_FALLTHROUGH case 'x': case 'X': if (next_arg >= GetSize(children)) |