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| author | Chris Lattner <sabre@nondot.org> | 2006-04-17 05:25:16 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-04-17 05:25:16 +0000 |
| commit | 8c3e8471592bf46631bff0fab554d5ac3fedcff6 (patch) | |
| tree | e11cef8acaa2690d77e1509bb6a75ae96c3e3a39 /utils/PerfectShuffle | |
| parent | 586d6a808dc80abe1b00e5fe943b1042cb4422e9 (diff) | |
| download | llvm-8c3e8471592bf46631bff0fab554d5ac3fedcff6.tar.gz llvm-8c3e8471592bf46631bff0fab554d5ac3fedcff6.tar.bz2 llvm-8c3e8471592bf46631bff0fab554d5ac3fedcff6.tar.xz | |
Encode a cost of zero as a cost of 1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27745 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/PerfectShuffle')
| -rw-r--r-- | utils/PerfectShuffle/PerfectShuffle.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/utils/PerfectShuffle/PerfectShuffle.cpp b/utils/PerfectShuffle/PerfectShuffle.cpp index c2abe9b611..b19dd0d39a 100644 --- a/utils/PerfectShuffle/PerfectShuffle.cpp +++ b/utils/PerfectShuffle/PerfectShuffle.cpp @@ -381,7 +381,9 @@ int main() { // CostSat - The cost of this operation saturated to two bits. unsigned CostSat = ShufTab[i].Cost; - if (CostSat > 3) CostSat = 3; + if (CostSat > 4) CostSat = 4; + if (CostSat == 0) CostSat = 1; + --CostSat; // Cost is now between 0-3. unsigned OpNum = ShufTab[i].Op ? ShufTab[i].Op->OpNum : 0; assert(OpNum < 16 && "Too few bits to encode operation!"); |