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Handle narrowing function sNaN test disabling based on argument format.

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Testing narrowing functions for x86_64 with GCC 6 showed up a further
testsuite fix needed: there is no _Float128 sNaN support before GCC 7
on x86_64 / x86, and the existing tests of SNAN_TESTS only checked it
for the return type, not for the argument type.  This patch fixes the
code to check SNAN_TESTS (ARG_FLOAT) as well (in a variable set in
libm-test-driver.c, since libm-test-support.c is compiled only once
for each choice of FLOAT).

Tested for x86_64 and x86 with GCC 6 in conjunction with the main
patch adding narrowing add functions.

	* math/libm-test-driver.c (snan_tests_arg): New variable.
	* math/libm-test-support.h (snan_tests_arg): New declaration.
	* math/libm-test-support.c (enable_test): Check snan_tests_arg.
This commit is contained in:
Joseph Myers
2018-02-09 22:56:35 +00:00
parent 8e554659ad
commit 3195833899
4 changed files with 13 additions and 1 deletions
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6
math/libm-test-driver.c
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@ -27,6 +27,12 @@ const int flag_test_finite = TEST_FINITE;
const int flag_test_inline = TEST_INLINE;
const int flag_test_mathvec = TEST_MATHVEC;
#if TEST_NARROW
const int snan_tests_arg = SNAN_TESTS (ARG_FLOAT);
#else
const int snan_tests_arg = SNAN_TESTS (FLOAT);
#endif
#define STRX(x) #x
#define STR(x) STRX (x)
#define STR_FLOAT STR (FLOAT)