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ARM: libtcc1: Add support for TinyCC.

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* lib/libtcc1.c: (__udivdi3, __umoddi3, __lshrdi3, __ashldi3,
__fixunsxfdi)[__arm__ && __TINYC__]: Use __mesabi functions.
This commit is contained in:
Jan (janneke) Nieuwenhuizen 2020-12-12 23:57:58 +01:00
parent 553539ad75
commit 8c53e22434
No known key found for this signature in database
GPG key ID: F3C1A0D9C1D65273
1 changed files with 31 additions and 2 deletions
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33
lib/libtcc1.c
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@ -29,7 +29,13 @@ __divdi3 (double a, double b)
eputs ("__divdi3 stub\n"); eputs ("__divdi3 stub\n");
stub = 1; stub = 1;
#endif #endif
return ((long) a / (long) b); long ai = a;
long bi = b;
#if __arm__ && __TINYC__
return __mesabi_idiv (ai, bi);
#else
return ai / bi;
#endif
} }
double double
@ -41,7 +47,13 @@ __moddi3 (double a, double b)
eputs ("__moddi3 stub\n"); eputs ("__moddi3 stub\n");
stub = 1; stub = 1;
#endif #endif
return ((long) a % (long) b); long ai = a;
long bi = b;
#if __arm__ && __TINYC__
return __mesabi_imod (ai, bi);
#else
return ai % bi;
#endif
} }
#if HAVE_LONG_LONG #if HAVE_LONG_LONG
@ -62,7 +74,11 @@ __udivdi3 (unsigned long a, long ah, unsigned long b)
unsigned long bi = b; unsigned long bi = b;
if (!b) if (!b)
return 0; return 0;
#if __arm__ && __TINYC__
return __mesabi_idiv (ai, bi);
#else
return ai / bi; return ai / bi;
#endif
} }
#if HAVE_LONG_LONG #if HAVE_LONG_LONG
@ -81,7 +97,11 @@ __umoddi3 (unsigned long a, long ah, unsigned long b)
#endif #endif
unsigned long ai = a; unsigned long ai = a;
unsigned long bi = b; unsigned long bi = b;
#if __arm__ && __TINYC__
return __mesabi_imod (ai, bi);
#else
return ai % bi; return ai % bi;
#endif
} }
#if HAVE_LONG_LONG #if HAVE_LONG_LONG
@ -100,7 +120,12 @@ __lshrdi3 (unsigned long a, long ah, long b)
return a >> b; return a >> b;
#else // __TINYC__ #else // __TINYC__
for (int i = 0; i < b; i++) for (int i = 0; i < b; i++)
#if __arm__
a = __mesabi_idiv (a, 2);
#else // !__arm__
a /= 2; a /= 2;
#endif // !__arm__
return a;
#endif // __TINYC__ #endif // __TINYC__
} }
@ -141,7 +166,11 @@ __ashrdi3 (long a, long ah, long b)
return a >> b; return a >> b;
#else // __TINYC__ #else // __TINYC__
for (int i = 0; i < b; i++) for (int i = 0; i < b; i++)
#if __arm__
a = __mesabi_idiv (a, 2);
#else // !__arm__
a /= 2; a /= 2;
#endif // !__arm__
return a; return a;
#endif // __TINYC__ #endif // __TINYC__
} }