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Add LJ_GC64 mode: 64 bit GC object references.

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Actually NaN tagging with 47 bit pointers and 13+4 bit tags.
This commit is contained in:
Mike Pall
2015-01-03 15:23:58 +01:00
parent 054e6abe37
commit cb481ddc8f
13 changed files with 183 additions and 29 deletions
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13
src/lj_arch.h
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@@ -365,11 +365,22 @@
#endif
#endif
/* 64 bit GC references. */
#if LJ_TARGET_GC64
#define LJ_GC64 1
#else
#define LJ_GC64 0
#endif
/* 2-slot frame info. */
#if LJ_GC64
#define LJ_FR2 1
#else
#define LJ_FR2 0
#endif
/* Disable or enable the JIT compiler. */
#if defined(LUAJIT_DISABLE_JIT) || defined(LJ_ARCH_NOJIT) || defined(LJ_OS_NOJIT) || LJ_FR2
#if defined(LUAJIT_DISABLE_JIT) || defined(LJ_ARCH_NOJIT) || defined(LJ_OS_NOJIT) || LJ_FR2 || LJ_GC64
#define LJ_HASJIT 0
#else
#define LJ_HASJIT 1