c3-lang/libffi/testsuite/libffi.closures/cls_longdouble.c

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• Hash : e504f90f
  Author :
  Date : 2022-05-23T18:42:32
  

  testsuite/libffi.closures: Fix PowerPC 64 (#709) -mlong-double-128 is only supported on glibc. This test still passes on glibc targets, and now passes on musl targets as well (which uses 64-bit ldbl).

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• testsuite/libffi.closures/cls_longdouble.c

• /* Area:		ffi_call, closure_call
     Purpose:		Check long double arguments.
     Limitations:	none.
     PR:			none.
     Originator:	Blake Chaffin	*/
  
  /* This test is known to PASS on armv7l-unknown-linux-gnueabihf, so I have
     remove the xfail for arm*-*-* below, until we know more.  */
  /* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
  /* { dg-options -mlong-double-128 { target powerpc64*-*-linux-gnu* } } */
  
  #include "ffitest.h"
  
  long double cls_ldouble_fn(
  	long double	a1,
  	long double	a2,
  	long double	a3,
  	long double	a4,
  	long double	a5,
  	long double	a6,
  	long double	a7,
  	long double	a8)
  {
  	long double	r = a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8;
  
  	printf("%Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg: %Lg\n",
  		a1, a2, a3, a4, a5, a6, a7, a8, r);
  	CHECK(a1 == 1);
  	CHECK(a2 == 2);
  	CHECK(a3 == 3);
  	CHECK(a4 == 4);
  	CHECK(a5 == 5);
  	CHECK(a6 == 6);
  	CHECK(a7 == 7);
  	CHECK(a8 == 8);
  
  	return r;
  }
  
  static void
  cls_ldouble_gn(ffi_cif* cif __UNUSED__, void* resp, 
  	       void** args, void* userdata __UNUSED__)
  {
  	long double	a1	= *(long double*)args[0];
  	long double	a2	= *(long double*)args[1];
  	long double	a3	= *(long double*)args[2];
  	long double	a4	= *(long double*)args[3];
  	long double	a5	= *(long double*)args[4];
  	long double	a6	= *(long double*)args[5];
  	long double	a7	= *(long double*)args[6];
  	long double	a8	= *(long double*)args[7];
  
  	*(long double*)resp = cls_ldouble_fn(
  		a1, a2, a3, a4, a5, a6, a7, a8);
  }
  
  int main(void)
  {
  	ffi_cif	cif;
          void* code;
  	ffi_closure*	pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
  	void*			args[9];
  	ffi_type*		arg_types[9];
  	long double		res	= 0;
  
  	long double	arg1	= 1;
  	long double	arg2	= 2;
  	long double	arg3	= 3;
  	long double	arg4	= 4;
  	long double	arg5	= 5;
  	long double	arg6	= 6;
  	long double	arg7	= 7;
  	long double	arg8	= 8;
  
  	arg_types[0] = &ffi_type_longdouble;
  	arg_types[1] = &ffi_type_longdouble;
  	arg_types[2] = &ffi_type_longdouble;
  	arg_types[3] = &ffi_type_longdouble;
  	arg_types[4] = &ffi_type_longdouble;
  	arg_types[5] = &ffi_type_longdouble;
  	arg_types[6] = &ffi_type_longdouble;
  	arg_types[7] = &ffi_type_longdouble;
  	arg_types[8] = NULL;
  
  	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 8, &ffi_type_longdouble,
  		arg_types) == FFI_OK);
  
  	args[0] = &arg1;
  	args[1] = &arg2;
  	args[2] = &arg3;
  	args[3] = &arg4;
  	args[4] = &arg5;
  	args[5] = &arg6;
  	args[6] = &arg7;
  	args[7] = &arg8;
  	args[8] = NULL;
  
  	ffi_call(&cif, FFI_FN(cls_ldouble_fn), &res, args);
  	/* { dg-output "1 2 3 4 5 6 7 8: 36" } */
  	printf("res: %Lg\n", res);
  	/* { dg-output "\nres: 36" } */
  	CHECK(res == 36);
  
  	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ldouble_gn, NULL, code) == FFI_OK);
  
  	res = ((long double(*)(long double, long double, long double, long double,
  		long double, long double, long double, long double))(code))(arg1, arg2,
  		arg3, arg4, arg5, arg6, arg7, arg8);
  	/* { dg-output "\n1 2 3 4 5 6 7 8: 36" } */
  	printf("res: %Lg\n", res);
  	/* { dg-output "\nres: 36" } */
  	CHECK(res == 36);
  
  	return 0;
  }
  

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