From 846f34f78b5f76233655d0cf3611706e99f2efe2 Mon Sep 17 00:00:00 2001
From: Jeffrey Wilcke <geffobscura@gmail.com>
Date: Fri, 17 Jul 2015 23:09:36 +0200
Subject: core/vm, tests: implemented semi-jit vm

* changed stack and removed stack ptr. Let go decide on slice reuse.
---
 cmd/utils/flags.go | 31 +++++++++++++++++++++++++++----
 1 file changed, 27 insertions(+), 4 deletions(-)

(limited to 'cmd/utils/flags.go')

diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index cf969805d..e7b30cfa0 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -27,6 +27,7 @@ import (
 	"runtime"
 	"strconv"
 
+	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/metrics"
 
 	"github.com/codegangsta/cli"
@@ -172,6 +173,25 @@ var (
 		Value: "",
 	}
 
+	// vm flags
+	VMDebugFlag = cli.BoolFlag{
+		Name:  "vmdebug",
+		Usage: "Virtual Machine debug output",
+	}
+	VMForceJitFlag = cli.BoolFlag{
+		Name:  "forcejit",
+		Usage: "Force the JIT VM to take precedence",
+	}
+	VMJitCacheFlag = cli.IntFlag{
+		Name:  "jitcache",
+		Usage: "Amount of cached JIT VM programs",
+		Value: 64,
+	}
+	VMEnableJitFlag = cli.BoolFlag{
+		Name:  "jitvm",
+		Usage: "Enable the JIT VM",
+	}
+
 	// logging and debug settings
 	LogFileFlag = cli.StringFlag{
 		Name:  "logfile",
@@ -196,10 +216,6 @@ var (
 		Usage: "The syntax of the argument is a comma-separated list of pattern=N, where pattern is a literal file name (minus the \".go\" suffix) or \"glob\" pattern and N is a log verbosity level.",
 		Value: glog.GetVModule(),
 	}
-	VMDebugFlag = cli.BoolFlag{
-		Name:  "vmdebug",
-		Usage: "Virtual Machine debug output",
-	}
 	BacktraceAtFlag = cli.GenericFlag{
 		Name:  "backtrace_at",
 		Usage: "If set to a file and line number (e.g., \"block.go:271\") holding a logging statement, a stack trace will be logged",
@@ -434,6 +450,13 @@ func SetupLogger(ctx *cli.Context) {
 	glog.SetLogDir(ctx.GlobalString(LogFileFlag.Name))
 }
 
+// SetupVM configured the VM package's global settings
+func SetupVM(ctx *cli.Context) {
+	vm.DisableJit = !ctx.GlobalBool(VMEnableJitFlag.Name)
+	vm.ForceJit = ctx.GlobalBool(VMForceJitFlag.Name)
+	vm.SetJITCacheSize(ctx.GlobalInt(VMJitCacheFlag.Name))
+}
+
 // MakeChain creates a chain manager from set command line flags.
 func MakeChain(ctx *cli.Context) (chain *core.ChainManager, blockDB, stateDB, extraDB common.Database) {
 	datadir := ctx.GlobalString(DataDirFlag.Name)
-- 
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