bin/runcpu: support --simd / --no-simd options

src/bin/runcpu.ts

@@ -62,12 +62,18 @@ const argv = await yargs(hideBin(process.argv))
         choices: ['nobuild', 'rebuild'],
         default: 'rebuild',
     })
+    .option('simd', {
+        type: 'boolean',
+        description: 'Use -msimd when compiling benchmarks',
+        demandOption: true,
+    })
     .help()
     .parse();
 
 const sunwayGeneration = argv.platform === "host" ? sunway.getHostGeneration() : argv.platform as sunway.SunwayGeneration;
 const sysroot = sunwayGeneration == "6b" ? "/usr/sw/standard-830-6b-test/" : "/usr/sw/swgcc1030_native_tools-8a";
 
+console.log("simd: " + chalk.red(argv.simd));
 console.log("sunway generation: " + chalk.red(sunwayGeneration));
 console.log(`using sysroot: ${chalk.red(sysroot)}`);
 
@@ -121,7 +127,7 @@ const specConfig = renderConfig({
     gccdir: llvmPrefix,
     optimize: [
         ...optimizeOptions({ optimize: '2' }),
-        ...sw64TargetOptions({ simd: true }),
+        ...sw64TargetOptions({ simd: argv.simd }),
         sunway.mcpu(sunwayGeneration),
     ],
     ldflags: [