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| author | Clifford Wolf <clifford@clifford.at> | 2018-06-21 15:47:41 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2018-06-21 15:47:41 +0200 |
| commit | a29bfc788eba9f11f1e0cd3d62a32c3894cddf49 (patch) | |
| tree | 01c8675cb47f509d816cca23962b88a51d4a8c85 /common/nextpnr.h | |
| parent | 477c33efba4362282cf88f02cf4d17f13d3ad8fd (diff) | |
| download | nextpnr-a29bfc788eba9f11f1e0cd3d62a32c3894cddf49.tar.gz nextpnr-a29bfc788eba9f11f1e0cd3d62a32c3894cddf49.tar.bz2 nextpnr-a29bfc788eba9f11f1e0cd3d62a32c3894cddf49.zip | |
Add ctx->checksum(), slightly improve log messages
Signed-off-by: Clifford Wolf <clifford@clifford.at>
Diffstat (limited to 'common/nextpnr.h')
| -rw-r--r-- | common/nextpnr.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/common/nextpnr.h b/common/nextpnr.h index db6901fe..e52f72c2 100644 --- a/common/nextpnr.h +++ b/common/nextpnr.h @@ -302,10 +302,14 @@ struct Context : Arch { // xorshift64star // https://arxiv.org/abs/1402.6246 + + uint64_t retval = rngstate * 0x2545F4914F6CDD1D; + rngstate ^= rngstate >> 12; rngstate ^= rngstate << 25; rngstate ^= rngstate >> 27; - return rngstate * 0x2545F4914F6CDD1D; + + return retval; } int rng() { return rng64() & 0x3fffffff; } @@ -351,6 +355,8 @@ struct Context : Arch std::sort(a.begin(), a.end()); shuffle(a); } + + uint32_t checksum() const; }; NEXTPNR_NAMESPACE_END |