evmmax: Set PUSH opcodes gas cost to 1.

Author: rodiazet

lib/evmone/instructions_traits.hpp

@@ -196,6 +196,9 @@ constexpr inline GasCostTable gas_costs = []() noexcept {
 
     table[EVMC_EXPERIMENTAL] = table[EVMC_OSAKA];
 
+    for (auto op = size_t{OP_PUSH1}; op <= OP_PUSH32; ++op)
+        table[EVMC_EXPERIMENTAL][op] = 1;
+
     table[EVMC_EVMMAX][OP_SETUPX] = 1;
     table[EVMC_EVMMAX][OP_ADDMODX] = 0;
     table[EVMC_EVMMAX][OP_SUBMODX] = 0;

test/unittests/instructions_test.cpp

@@ -99,7 +99,7 @@ static_assert(validate_traits(std::make_index_sequence<256>{}));
 // Check some cases for has_const_gas_cost().
 static_assert(instr::has_const_gas_cost(OP_STOP));
 static_assert(instr::has_const_gas_cost(OP_ADD));
-static_assert(instr::has_const_gas_cost(OP_PUSH1));
+// static_assert(instr::has_const_gas_cost(OP_PUSH1));
 static_assert(!instr::has_const_gas_cost(OP_SHL));
 static_assert(!instr::has_const_gas_cost(OP_BALANCE));
 static_assert(!instr::has_const_gas_cost(OP_SLOAD));