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| author | Clifford Wolf <clifford@clifford.at> | 2014-09-06 19:31:04 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2014-09-06 19:31:04 +0200 |
| commit | 680eaaac41bc64000faa483955279155b0fc0a6b (patch) | |
| tree | e584e5acd3fe7edb8cd1abeaf1ee87cd9a8ab6f6 /frontends | |
| parent | bff4706b62ca73ba0a627eda2ad903b487634cae (diff) | |
| download | yosys-680eaaac41bc64000faa483955279155b0fc0a6b.tar.gz yosys-680eaaac41bc64000faa483955279155b0fc0a6b.tar.bz2 yosys-680eaaac41bc64000faa483955279155b0fc0a6b.zip | |
Fixed $clog2 (off by one error)
Diffstat (limited to 'frontends')
| -rw-r--r-- | frontends/ast/simplify.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index 1998c12e4..9e797573c 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -1123,7 +1123,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage, if (left_at_zero_ast->type != AST_CONSTANT || right_at_zero_ast->type != AST_CONSTANT) log_error("Unsupported expression on dynamic range select on signal `%s' at %s:%d!\n", str.c_str(), filename.c_str(), linenum); - result_width = left_at_zero_ast->integer - right_at_zero_ast->integer + 1; + result_width = abs(left_at_zero_ast->integer - right_at_zero_ast->integer) + 1; } did_something = true; newNode = new AstNode(AST_CASE, shift_expr); @@ -1370,7 +1370,7 @@ skip_dynamic_range_lvalue_expansion:; uint32_t result = 0; for (size_t i = 0; i < arg_value.bits.size(); i++) if (arg_value.bits.at(i) == RTLIL::State::S1) - result = i; + result = i + 1; newNode = mkconst_int(result, false); goto apply_newNode; |