Fix arm64-gen.c when passing a struct ptr to va_arg.

Christian Jullien committed 6 years ago

Commit ec0e9361 parent 6fa78a32 files · +18 −2Browse files

Unified · Split

2 files

 static int arm64_type_size(int t)
 {
+    /*
+     * case values are in increasing order (from 1 to 11).
+     * which 'may' help compiler optimizers. See tcc.h
+     */
     switch (t & VT_BTYPE) {
-    case VT_INT: return 2;
     case VT_BYTE: return 0;
     case VT_SHORT: return 1;
+    case VT_INT: return 2;
+    case VT_LLONG: return 3;
     case VT_PTR: return 3;
     case VT_FUNC: return 3;
+    case VT_STRUCT: return 3;
     case VT_FLOAT: return 2;
     case VT_DOUBLE: return 3;
     case VT_LDOUBLE: return 4;
     case VT_BOOL: return 0;
-    case VT_LLONG: return 3;
     }
     assert(0);
     return 0;

@@ -230,6 +230,17 @@ void ret(void) · 229 unmodified lines
230	printf("%.1Lf %.1Lf\n", fr_hfa34().a, fr_hfa34().d);	230	printf("%.1Lf %.1Lf\n", fr_hfa34().a, fr_hfa34().d);
231	}	231	}
232		232
		233	void*
		234	va_arg_with_struct_ptr(va_list ap) {
		235	/*
		236	* This was a BUG identified with FFTW-3.3.8 on arm64.
		237	* The test case only checks it compiles.
		238	*/
		239	struct X { int _x; };
		240	struct X x = va_arg(ap, struct X );
		241	return x;
		242	}
		243
233	int match(const char *s, const char f)	244	int match(const char *s, const char f)
234	{	245	{
235	const char p = s;	246	const char p = s;

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