Mercurial > cpython-lru_cache-weakref
diff Python/ceval.c @ 63959:e54baebbd6ff
Issue #9203: Computed gotos are now enabled by default on supported
compilers (which are detected by the configure script). They can still
be disable selectively by specifying --without-computed-gotos.
| author | Antoine Pitrou <solipsis@pitrou.net> |
|---|---|
| date | Fri, 13 Aug 2010 21:15:58 +0000 |
| parents | 9057ea014461 |
| children | 05c4baa87549 |
line wrap: on
line diff
--- a/Python/ceval.c Fri Aug 13 20:42:57 2010 +0000 +++ b/Python/ceval.c Fri Aug 13 21:15:58 2010 +0000 @@ -840,11 +840,24 @@ -fno-crossjumping). */ -#if defined(USE_COMPUTED_GOTOS) && defined(DYNAMIC_EXECUTION_PROFILE) +#ifdef DYNAMIC_EXECUTION_PROFILE #undef USE_COMPUTED_GOTOS +#define USE_COMPUTED_GOTOS 0 #endif -#ifdef USE_COMPUTED_GOTOS +#ifdef HAVE_COMPUTED_GOTOS + #ifndef USE_COMPUTED_GOTOS + #define USE_COMPUTED_GOTOS 1 + #endif +#else + #if defined(USE_COMPUTED_GOTOS) && USE_COMPUTED_GOTOS + #error "Computed gotos are not supported on this compiler." + #endif + #undef USE_COMPUTED_GOTOS + #define USE_COMPUTED_GOTOS 0 +#endif + +#if USE_COMPUTED_GOTOS /* Import the static jump table */ #include "opcode_targets.h" @@ -990,7 +1003,7 @@ */ -#if defined(DYNAMIC_EXECUTION_PROFILE) || defined(USE_COMPUTED_GOTOS) +#if defined(DYNAMIC_EXECUTION_PROFILE) || USE_COMPUTED_GOTOS #define PREDICT(op) if (0) goto PRED_##op #define PREDICTED(op) PRED_##op: #define PREDICTED_WITH_ARG(op) PRED_##op: @@ -2838,7 +2851,7 @@ oparg = oparg<<16 | NEXTARG(); goto dispatch_opcode; -#ifdef USE_COMPUTED_GOTOS +#if USE_COMPUTED_GOTOS _unknown_opcode: #endif default: