Having only a look at tccgen.c I see #if related to an architecture (which
is of course Ok) but but more and more often
#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64)
.
#else
#endif
Which are used to generate code related to word / int / long / long long
processor size.
I recently fixed and added:
/* TinyCC & gcc defines */
#if defined(TCC_TARGET_PE) && defined(TCC_TARGET_X86_64)
/* 64bit Windows. */
tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long long");
tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long long");
tcc_define_symbol(s, "__LLP64__", NULL);
#elif defined(TCC_TARGET_X86_64) || defined(TCC_TARGET_ARM64)
/* Other 64bit systems. */
tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long");
tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long");
tcc_define_symbol(s, "__LP64__", NULL);
#else
/* Other 32bit systems. */
tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long");
tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long");
tcc_define_symbol(s, "__ILP32__", NULL);
#endif
Which is widely used (gcc VC++) to describe relation between int/long/long
long/ptr.
IMHO using those macros better describes the intent.
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