diff options
Diffstat (limited to 'emcc')
| -rwxr-xr-x | emcc | 35 |
1 files changed, 32 insertions, 3 deletions
@@ -724,8 +724,6 @@ try: if llvm_opts is None: llvm_opts = LLVM_OPT_LEVEL[opt_level] if llvm_lto is None: llvm_lto = llvm_opts > 0 if closure is None: closure = 1 if opt_level >= 2 else 0 - if minify_whitespace is None: - minify_whitespace = closure # if closure is run, minify whitespace if opt_level <= 0: keep_debug = True # always keep debug in -O0 if DEBUG: start_time = time.time() # done after parsing arguments, which might affect debug state @@ -853,9 +851,23 @@ try: exec('shared.Settings.' + key + ' = ' + value) # Apply effects from settings + if shared.Settings.ASM_JS: + if closure: + print >> sys.stderr, 'emcc: warning: disabling closure because it is not compatible with asm.js code generation' + closure = False + if shared.Settings.CORRECT_SIGNS != 1: + print >> sys.stderr, 'emcc: warning: setting CORRECT_SIGNS to 1 for asm.js code generation' + shared.Settings.CORRECT_SIGNS = 1 + if shared.Settings.CORRECT_OVERFLOWS != 1: + print >> sys.stderr, 'emcc: warning: setting CORRECT_OVERFLOWS to 1 for asm.js code generation' + shared.Settings.CORRECT_OVERFLOWS = 1 + if shared.Settings.CORRECT_SIGNS >= 2 or shared.Settings.CORRECT_OVERFLOWS >= 2 or shared.Settings.CORRECT_ROUNDINGS >= 2: keep_debug = True # must keep debug info to do line-by-line operations + if minify_whitespace is None: + minify_whitespace = closure # if closure is run, minify whitespace + ## Compile source code to bitcode if DEBUG: print >> sys.stderr, 'emcc: compiling to bitcode' @@ -1137,6 +1149,16 @@ try: execute(shlex.split(js_transform, posix=posix) + [os.path.abspath(final)]) if DEBUG: save_intermediate('transformed') + if shared.Settings.ASM_JS: # XXX temporary wrapping for testing purposes + unwrapped = open(final).read() + final += '.asmwrap.js' + open(final, 'w').write(''' +(function() { // prevent new Function from seeing the global scope +%s +}).apply(null, arguments); +''' % unwrapped) + if DEBUG: save_intermediate('asmwrap') + # It is useful to run several js optimizer passes together, to save on unneeded unparsing/reparsing js_optimizer_queue = [] def flush_js_optimizer_queue(): @@ -1162,7 +1184,12 @@ try: if DEBUG: save_intermediate('pretty') def get_eliminate(): - return 'eliminate' if not shared.Settings.ALLOW_MEMORY_GROWTH else 'eliminateMemSafe' + if shared.Settings.ASM_JS: + return 'eliminateAsm' + elif shared.Settings.ALLOW_MEMORY_GROWTH: + return 'eliminateMemSafe' + else: + return 'eliminate' js_optimizer_queue += [get_eliminate()] @@ -1176,6 +1203,8 @@ try: if DEBUG: print >> sys.stderr, 'emcc: running closure' final = shared.Building.closure_compiler(final) if DEBUG: save_intermediate('closure') + elif shared.Settings.ASM_JS and shared.Settings.RELOOP: + js_optimizer_queue += ['registerizeAsm'] # we can't use closure in asm, but this does much of the same if opt_level >= 1: if DEBUG: print >> sys.stderr, 'emcc: running post-closure post-opts' |