diff options
Diffstat (limited to 'eval.c')
| -rw-r--r-- | eval.c | 20 |
1 files changed, 18 insertions, 2 deletions
@@ -137,8 +137,19 @@ rb_jump_context(env, val) * * Since the magic setjmp is not enough for SPARC, * inline asm is used to prohibit registers in register windows. + * + * Since the problem is fixed at gcc 4.0.3, the magic is applied only for + * prior versions of gcc. + * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21957 + * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22127 */ -#if defined (__GNUC__) && (defined(sparc) || defined(__sparc__)) +#define GCC_VERSION_BEFORE(major, minor, patchlevel) \ + (defined(__GNUC__) && !defined(__INTEL_COMPILER) && \ + ((__GNUC__ < (major)) || \ + (__GNUC__ == (major) && __GNUC_MINOR__ < (minor)) || \ + (__GNUC__ == (major) && __GNUC_MINOR__ == (minor) && __GNUC_PATCHLEVEL__ < (patchlevel)))) +#if GCC_VERSION_BEFORE(4,0,3) +#if defined(sparc) || defined(__sparc__) #ifdef __pic__ /* * %l7 is excluded for PIC because it is PIC register. @@ -156,13 +167,18 @@ rb_jump_context(env, val) "%l0", "%l1", "%l2", "%l3", "%l4", "%l5", "%l6", "%l7", \ "%i0", "%i1", "%i2", "%i3", "%i4", "%i5", "%i7"); }) #endif -#else +#elif defined(__ia64) static jmp_buf function_call_may_return_twice_jmp_buf; int function_call_may_return_twice_false = 0; #define FUNCTION_CALL_MAY_RETURN_TWICE \ (function_call_may_return_twice_false ? \ setjmp(function_call_may_return_twice_jmp_buf) : \ 0) +#else +#define FUNCTION_CALL_MAY_RETURN_TWICE 0 +#endif +#else +#define FUNCTION_CALL_MAY_RETURN_TWICE 0 #endif #define ruby_longjmp(env, val) rb_jump_context(env, val) #define ruby_setjmp(j) ((j)->status = 0, \ |