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| author | Clifford Wolf <clifford@clifford.at> | 2013-12-31 14:54:06 +0100 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2013-12-31 14:54:06 +0100 |
| commit | 15acf593e707c6666459c0cfd121a5f0fc996571 (patch) | |
| tree | b103ee7e3286e88318e23cd472e2a8b521f30c93 /kernel | |
| parent | 1cd975ef8de889bf7f51ea108fcb8df878c906df (diff) | |
| download | yosys-15acf593e707c6666459c0cfd121a5f0fc996571.tar.gz yosys-15acf593e707c6666459c0cfd121a5f0fc996571.tar.bz2 yosys-15acf593e707c6666459c0cfd121a5f0fc996571.zip | |
Added additional checks for A_SIGNED == B_SIGNED for cells with that constraint
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rtlil.cc | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc index b8c9e21ac..4916ca728 100644 --- a/kernel/rtlil.cc +++ b/kernel/rtlil.cc @@ -337,7 +337,7 @@ namespace { expected_ports.insert(name); } - void check_expected() + void check_expected(bool check_matched_sign = true) { for (auto ¶ : cell->parameters) if (expected_params.count(para.first) == 0) @@ -345,6 +345,13 @@ namespace { for (auto &conn : cell->connections) if (expected_ports.count(conn.first) == 0) error(__LINE__); + + if (expected_params.count("\\A_SIGNED") != 0 && expected_params.count("\\B_SIGNED") && check_matched_sign) { + bool a_is_signed = param("\\A_SIGNED") != 0; + bool b_is_signed = param("\\B_SIGNED") != 0; + if (a_is_signed != b_is_signed) + error(__LINE__); + } } void check_gate(const char *ports) @@ -403,7 +410,7 @@ namespace { port("\\A", param("\\A_WIDTH")); port("\\B", param("\\B_WIDTH")); port("\\Y", param("\\Y_WIDTH")); - check_expected(); + check_expected(false); return; } @@ -425,7 +432,7 @@ namespace { port("\\A", param("\\A_WIDTH")); port("\\B", param("\\B_WIDTH")); port("\\Y", param("\\Y_WIDTH")); - check_expected(); + check_expected(cell->type != "$pow"); return; } @@ -443,7 +450,7 @@ namespace { port("\\A", param("\\A_WIDTH")); port("\\B", param("\\B_WIDTH")); port("\\Y", param("\\Y_WIDTH")); - check_expected(); + check_expected(false); return; } |