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authorJoseph Myers <joseph@codesourcery.com>2018-02-09 22:56:35 +0000
committerJoseph Myers <joseph@codesourcery.com>2018-02-09 22:56:35 +0000
commit31958338998aba1cca8090839a4c4866366d76cf (patch)
tree92472b81026df172cfa0d53fcda0e2add61112b6 /sysdeps/x86_64
parent8e554659ad7722ff1d09c6fa68d7df8e75530dc8 (diff)
downloadglibc-31958338998aba1cca8090839a4c4866366d76cf.tar.gz
Handle narrowing function sNaN test disabling based on argument format.
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.
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