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| author | das <das@FreeBSD.org> | 2010-12-06 00:19:56 +0000 |
|---|---|---|
| committer | das <das@FreeBSD.org> | 2010-12-06 00:19:56 +0000 |
| commit | c0634c210540e4d95655c2c05ebae344ec03bb54 (patch) | |
| tree | bf93f090cabea4473a818c177ec1cdb9e7448e68 /tools | |
| parent | 812571675e8fd17c6affd8cc80f0bde3cbb19d01 (diff) | |
| download | FreeBSD-src-c0634c210540e4d95655c2c05ebae344ec03bb54.zip FreeBSD-src-c0634c210540e4d95655c2c05ebae344ec03bb54.tar.gz | |
Work around gcc constant folding bugs.
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/regression/lib/msun/test-lrint.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/regression/lib/msun/test-lrint.c b/tools/regression/lib/msun/test-lrint.c index 1693a34a..ba099aa 100644 --- a/tools/regression/lib/msun/test-lrint.c +++ b/tools/regression/lib/msun/test-lrint.c @@ -41,9 +41,14 @@ __FBSDID("$FreeBSD$"); #include <ieeefp.h> #endif +/* + * XXX The volatile here is to avoid gcc's bogus constant folding and work + * around the lack of support for the FENV_ACCESS pragma. + */ #define test(func, x, result, excepts) do { \ + volatile double _d = x; \ assert(feclearexcept(FE_ALL_EXCEPT) == 0); \ - assert((func)(x) == (result) || fetestexcept(FE_INVALID)); \ + assert((func)(_d) == (result) || fetestexcept(FE_INVALID)); \ assert(fetestexcept(FE_ALL_EXCEPT) == (excepts)); \ } while (0) |
