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clarify comment in JIT implementation

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Refines commmit c0ec9702e8.
This commit is contained in:
Matthew Flatt 2014-05-30 12:07:56 +01:00
parent d1be74fc3b
commit 948a709b47
1 changed files with 5 additions and 3 deletions
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8
racket/src/racket/src/jitstate.c
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@ -165,9 +165,11 @@ static int check_long_mode(uintptr_t low, uintptr_t size)
int scheme_check_long_mode(int jitter_long_jumps_default) int scheme_check_long_mode(int jitter_long_jumps_default)
{ {
/* Relying on TSO: if another place provides a shared code pointer, then /* In places are enabled, then we're relying on TSO here. If another
seeing that pointer means that this place also sees any change place provides a shared code pointer, then seeing that pointer
to `default-long_jumps` that applies to the pointer. */ means that this place also sees any change to
`default_long_jumps` that was made before the pointer was
shared. */
return (jitter_long_jumps_default != default_long_jumps); return (jitter_long_jumps_default != default_long_jumps);
} }
#endif #endif