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Fix def_test_returning_type in iamcu/test_basic_returning.c

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Use union to check float return bits to avoid converting from integer
to float when comparing float return value.

	* gcc.target/i386/iamcu/test_basic_returning.c
	(def_test_returning_type): Use union to check float return bits.

From-SVN: r228924
This commit is contained in:
H.J. Lu 2015-10-16 20:03:17 +00:00 • committed by H.J. Lu
parent e11c440728
commit 104cbaf530
2 changed files with 9 additions and 1 deletions
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5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2015-10-16 H.J. Lu <hongjiu.lu@intel.com>
* gcc.target/i386/iamcu/test_basic_returning.c
(def_test_returning_type): Use union to check float return bits.
2015-10-16 H.J. Lu <hongjiu.lu@intel.com>
* gcc.target/i386/iamcu/test_basic_64bit_returning.c (main):

5
gcc/testsuite/gcc.target/i386/iamcu/test_basic_returning.c
View file

@ -39,7 +39,10 @@ fun_test_returning_float (void)
#define def_test_returning_type(fun, type, ret, reg) \
{ type var = WRAP_RET (fun) (); \
assert (ret == (type) reg && ret == var); }
union { type r; unsigned long reg; } u; \
u.reg = reg; \
assert (ret == u.r && ret == var); }
int
main (void)
{