diff options
| author | Alon Zakai <alonzakai@gmail.com> | 2013-10-09 08:11:30 -0400 |
|---|---|---|
| committer | Alon Zakai <alonzakai@gmail.com> | 2013-10-09 11:10:07 -0400 |
| commit | e10ee6c5cb0aa89bbae465a1e667a03c0e13aa39 (patch) | |
| tree | 0aab8bd9e00c3fa3bfaee8022ff7f0f7310b1499 /emcc | |
| parent | 933e92a754d2b352add7d5b763dfc9d11cdc99c9 (diff) | |
run relooper in -O1, and do not run js opts there
Diffstat (limited to 'emcc')
| -rwxr-xr-x | emcc | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -129,14 +129,14 @@ Most normal gcc/g++ options will work, for example: Options that are modified or new in %s include: -O0 No optimizations (default) -O1 Simple optimizations, including asm.js, LLVM -O1 - optimizations, and no runtime assertions + optimizations, relooping, and no runtime assertions or C++ exception catching (to re-enable C++ exception catching, use -s DISABLE_EXCEPTION_CATCHING=0 ). (For details on the affects of different opt levels, see apply_opt_level() in tools/shared.py and also src/settings.js.) - -O2 As -O1, plus the relooper (loop recreation), + -O2 As -O1, plus various js-level optimizatios, LLVM -O3 optimizations, and -s ALIASING_FUNCTION_POINTERS=1 @@ -258,6 +258,9 @@ Options that are modified or new in %s include: try adjusting JAVA_HEAP_SIZE in the environment (for example, to 4096m for 4GB). + Note: Closure is only run if js opts are being + done (-O2 or above, or --js-opts 1). + --js-transform <cmd> <cmd> will be called on the generated code before it is optimized. This lets you modify the JavaScript, for example adding some code @@ -933,7 +936,7 @@ try: if default_cxx_std: newargs = newargs + [default_cxx_std] - if js_opts is None: js_opts = opt_level >= 1 + if js_opts is None: js_opts = opt_level >= 2 if llvm_opts is None: llvm_opts = LLVM_OPT_LEVEL[opt_level] if llvm_lto is None and opt_level >= 3: llvm_lto = 3 if opt_level == 0: debug_level = 4 |