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| author | NotAFile <notafile@gmail.com> | 2022-03-25 18:46:34 +0100 |
|---|---|---|
| committer | gatecat <gatecat@ds0.me> | 2022-03-25 18:38:00 +0000 |
| commit | 349c0ff0a7349a05fbb4381ba5b5ebb16b92261c (patch) | |
| tree | d7808a03372f47d3f6666df2b2e9236c79429c52 /kernel/rtlil.cc | |
| parent | a7e7a9f485f82f131a7b8dd8e3254b38f575eb5b (diff) | |
| download | yosys-349c0ff0a7349a05fbb4381ba5b5ebb16b92261c.tar.gz yosys-349c0ff0a7349a05fbb4381ba5b5ebb16b92261c.tar.bz2 yosys-349c0ff0a7349a05fbb4381ba5b5ebb16b92261c.zip | |
Add some more reserve calls to RTLIL::Const
This results in a slight ~0.22% total speedup synthesizing vexriscv
Diffstat (limited to 'kernel/rtlil.cc')
| -rw-r--r-- | kernel/rtlil.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc index a89edd992..72dcb89af 100644 --- a/kernel/rtlil.cc +++ b/kernel/rtlil.cc @@ -207,6 +207,7 @@ RTLIL::Const::Const() RTLIL::Const::Const(std::string str) { flags = RTLIL::CONST_FLAG_STRING; + bits.reserve(str.size() * 8); for (int i = str.size()-1; i >= 0; i--) { unsigned char ch = str[i]; for (int j = 0; j < 8; j++) { @@ -219,6 +220,7 @@ RTLIL::Const::Const(std::string str) RTLIL::Const::Const(int val, int width) { flags = RTLIL::CONST_FLAG_NONE; + bits.reserve(width); for (int i = 0; i < width; i++) { bits.push_back((val & 1) != 0 ? State::S1 : State::S0); val = val >> 1; @@ -228,6 +230,7 @@ RTLIL::Const::Const(int val, int width) RTLIL::Const::Const(RTLIL::State bit, int width) { flags = RTLIL::CONST_FLAG_NONE; + bits.reserve(width); for (int i = 0; i < width; i++) bits.push_back(bit); } @@ -235,6 +238,7 @@ RTLIL::Const::Const(RTLIL::State bit, int width) RTLIL::Const::Const(const std::vector<bool> &bits) { flags = RTLIL::CONST_FLAG_NONE; + this->bits.reserve(bits.size()); for (const auto &b : bits) this->bits.emplace_back(b ? State::S1 : State::S0); } @@ -242,6 +246,7 @@ RTLIL::Const::Const(const std::vector<bool> &bits) RTLIL::Const::Const(const RTLIL::Const &c) { flags = c.flags; + this->bits.reserve(c.size()); for (const auto &b : c.bits) this->bits.push_back(b); } |