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| author | Clifford Wolf <clifford@clifford.at> | 2014-08-21 17:11:51 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2014-08-21 17:11:51 +0200 |
| commit | 085c8e873d4d90129a952eba85836891635a7f8c (patch) | |
| tree | 7afb69f3d74151c225f5ea13e1de615e2fb0b949 /frontends/ast/ast.cc | |
| parent | 490d7a5bf2062481dfda656de86bfbeca83c080d (diff) | |
| download | yosys-085c8e873d4d90129a952eba85836891635a7f8c.tar.gz yosys-085c8e873d4d90129a952eba85836891635a7f8c.tar.bz2 yosys-085c8e873d4d90129a952eba85836891635a7f8c.zip | |
Added AstNode::asInt()
Diffstat (limited to 'frontends/ast/ast.cc')
| -rw-r--r-- | frontends/ast/ast.cc | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/frontends/ast/ast.cc b/frontends/ast/ast.cc index de38eff6c..2fc8f9835 100644 --- a/frontends/ast/ast.cc +++ b/frontends/ast/ast.cc @@ -792,9 +792,30 @@ int AstNode::isConst() return 0; } +uint64_t AstNode::asInt(bool is_signed) +{ + if (type == AST_CONSTANT) + { + RTLIL::Const v = bitsAsConst(64, is_signed); + uint64_t ret = 0; + + for (int i = 0; i < 64; i++) + if (v.bits.at(i) == RTLIL::State::S1) + ret |= uint64_t(1) << i; + + return ret; + } + + if (type == AST_REALVALUE) + return realvalue; + + log_abort(); +} + double AstNode::asReal(bool is_signed) { - if (type == AST_CONSTANT) { + if (type == AST_CONSTANT) + { RTLIL::Const val(bits); bool is_negative = is_signed && val.bits.back() == RTLIL::State::S1; |