diff options
| -rwxr-xr-x | config_rv64.sh | 2 | ||||
| -rw-r--r-- | riscV/DuplicateOpcodeHeuristic.ml | 30 |
2 files changed, 28 insertions, 4 deletions
diff --git a/config_rv64.sh b/config_rv64.sh index e95f8a70..0698c2ff 100755 --- a/config_rv64.sh +++ b/config_rv64.sh @@ -1 +1 @@ -exec ./config_simple.sh rv64-linux --toolprefix riscv64-unknown-elf- "$@" +exec ./config_simple.sh rv64-linux --toolprefix riscv64-linux-gnu- "$@" diff --git a/riscV/DuplicateOpcodeHeuristic.ml b/riscV/DuplicateOpcodeHeuristic.ml index 85505245..2ec314c1 100644 --- a/riscV/DuplicateOpcodeHeuristic.ml +++ b/riscV/DuplicateOpcodeHeuristic.ml @@ -1,3 +1,27 @@ -exception HeuristicSucceeded - -let opcode_heuristic code cond ifso ifnot preferred = () +(* open Camlcoq *) +open Op +open Integers + +let opcode_heuristic code cond ifso ifnot is_loop_header = + match cond with + | Ccompimm (c, n) | Ccompuimm (c, n) -> if n == Integers.Int.zero then (match c with + | Clt | Cle -> Some false + | Cgt | Cge -> Some true + | _ -> None + ) else None + | Ccomplimm (c, n) | Ccompluimm (c, n) -> if n == Integers.Int64.zero then (match c with + | Clt | Cle -> Some false + | Cgt | Cge -> Some true + | _ -> None + ) else None + | Ccompf c | Ccompfs c -> (match c with + | Ceq -> Some false + | Cne -> Some true + | _ -> None + ) + | Cnotcompf c | Cnotcompfs c -> (match c with + | Ceq -> Some true + | Cne -> Some false + | _ -> None + ) + | _ -> None |