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| author | Christian Heimes <christian@python.org> | 2021-12-02 11:19:30 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-12-02 11:19:30 (GMT) |
| commit | cb8f491f46e262549f6c447b31625cab7c20a60a (patch) | |
| tree | a476521e1a746f42667312ceb8dd9866feb9654e | |
| parent | a6c3b0faa1d55e36539caf19bd3bcf1dea12df84 (diff) | |
| download | cpython-cb8f491f46e262549f6c447b31625cab7c20a60a.zip cpython-cb8f491f46e262549f6c447b31625cab7c20a60a.tar.gz cpython-cb8f491f46e262549f6c447b31625cab7c20a60a.tar.bz2 | |
bpo-40280: Optimize ints and and startup on wasm (GH-29887)
| -rw-r--r-- | Include/pyport.h | 12 | ||||
| -rw-r--r-- | Python/pylifecycle.c | 6 |
2 files changed, 13 insertions, 5 deletions
diff --git a/Include/pyport.h b/Include/pyport.h index 953f75c..81b1bde 100644 --- a/Include/pyport.h +++ b/Include/pyport.h @@ -87,13 +87,17 @@ Used in: Py_SAFE_DOWNCAST /* If PYLONG_BITS_IN_DIGIT is not defined then we'll use 30-bit digits if all the necessary integer types are available, and we're on a 64-bit platform - (as determined by SIZEOF_VOID_P); otherwise we use 15-bit digits. */ + (as determined by SIZEOF_VOID_P); otherwise we use 15-bit digits. + + From pyodide: WASM has 32 bit pointers but has native 64 bit arithmetic + so it is more efficient to use 30 bit digits. + */ #ifndef PYLONG_BITS_IN_DIGIT -#if SIZEOF_VOID_P >= 8 -#define PYLONG_BITS_IN_DIGIT 30 +#if SIZEOF_VOID_P >= 8 || defined(__wasm__) +# define PYLONG_BITS_IN_DIGIT 30 #else -#define PYLONG_BITS_IN_DIGIT 15 +# define PYLONG_BITS_IN_DIGIT 15 #endif #endif diff --git a/Python/pylifecycle.c b/Python/pylifecycle.c index 74d269b..c6b2a1e 100644 --- a/Python/pylifecycle.c +++ b/Python/pylifecycle.c @@ -2145,7 +2145,11 @@ is_valid_fd(int fd) if (fd < 0) { return 0; } -#if defined(F_GETFD) && (defined(__linux__) || defined(__APPLE__) || defined(MS_WINDOWS)) +#if defined(F_GETFD) && ( \ + defined(__linux__) || \ + defined(__APPLE__) || \ + defined(MS_WINDOWS) || \ + defined(__wasm__)) int res; _Py_BEGIN_SUPPRESS_IPH res = fcntl(fd, F_GETFD); |