diff options
Diffstat (limited to 'passes/pmgen/xilinx_dsp.pmg')
| -rw-r--r-- | passes/pmgen/xilinx_dsp.pmg | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/passes/pmgen/xilinx_dsp.pmg b/passes/pmgen/xilinx_dsp.pmg index b93162a0e..08cb1f51b 100644 --- a/passes/pmgen/xilinx_dsp.pmg +++ b/passes/pmgen/xilinx_dsp.pmg @@ -361,8 +361,8 @@ match overflow select overflow->type.in($ge) select GetSize(port(overflow, \Y)) <= 48 select port(overflow, \B).is_fully_const() - // Check is exact power of 2 - select (port(overflow, \B).as_int() & (port(overflow, \B).as_int()-1)) == 0 + define <Const> B port(overflow, \B).as_const() + select std::count(B.bits.begin(), B.bits.end(), State::S1) == 1 index <SigSpec> port(overflow, \A) === sigP optional endmatch |