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Avoid defining DISPATCH_ARCH_DEPEND_WAY macro

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when it's not used. This macro is not used when it's direct threaded code.

This patch is purely for readability and has no impact for any behavior.
This commit is contained in:
Takashi Kokubun 2019-09-07 23:13:46 +09:00
parent a9b63db3b6
commit ae8b977742
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GPG key ID: 6FFC433B12EE23DD
1 changed files with 10 additions and 12 deletions
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22
vm_exec.h
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@ -90,16 +90,6 @@ error !
LABEL(insn): \
INSN_ENTRY_SIG(insn); \
/* dispatcher */
#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) && __GNUC__ == 3
#define DISPATCH_ARCH_DEPEND_WAY(addr) \
__asm__ __volatile__("jmp *%0;\t# -- inserted by vm.h\t[length = 2]" : : "r" (addr))
#else
#define DISPATCH_ARCH_DEPEND_WAY(addr) \
/* do nothing */
#endif
/**********************************/
#if OPT_DIRECT_THREADED_CODE
@ -112,14 +102,22 @@ error !
#else
/* token threaded code */
/* dispatcher */
#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) && __GNUC__ == 3
#define DISPATCH_ARCH_DEPEND_WAY(addr) \
__asm__ __volatile__("jmp *%0;\t# -- inserted by vm.h\t[length = 2]" : : "r" (addr))
#else
#define DISPATCH_ARCH_DEPEND_WAY(addr) \
/* do nothing */
#endif
#define TC_DISPATCH(insn) \
DISPATCH_ARCH_DEPEND_WAY(insns_address_table[GET_CURRENT_INSN()]); \
INSN_DISPATCH_SIG(insn); \
RB_GNUC_EXTENSION_BLOCK(goto *insns_address_table[GET_CURRENT_INSN()]); \
rb_bug("tc error");
#endif /* DISPATCH_DIRECT_THREADED_CODE */
#endif /* OPT_DIRECT_THREADED_CODE */
#define END_INSN(insn) \
DEBUG_END_INSN(); \