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| /freebsd-10.0-release/lib/libc/ia64/gen/ | ||
| H A D | fpgetmask.c | diff 121332 Wed Oct 22 07:00:07 MDT 2003 marcel The FP status register allows for 6 traps to be masked. One of them, the denormal/unnormal trap, is not a standard IEEE trap. We did not exclude it from being returned by fpgetmask(), nor did we make sure that fpsetmask() didn't clobber it. Since the non-IEEE trap is not part of fp_except_t, users of ifpgetmask()/fpsetmask() would be confronted with unexpected behaviour, one of which is a SIGFPE for denormal/unnormal FP results. This commit makes sure that we don't leak the denormal/unnormal mask bit in fp_except_t and also that we don't clobber it. |
| H A D | fpsetmask.c | diff 121332 Wed Oct 22 07:00:07 MDT 2003 marcel The FP status register allows for 6 traps to be masked. One of them, the denormal/unnormal trap, is not a standard IEEE trap. We did not exclude it from being returned by fpgetmask(), nor did we make sure that fpsetmask() didn't clobber it. Since the non-IEEE trap is not part of fp_except_t, users of ifpgetmask()/fpsetmask() would be confronted with unexpected behaviour, one of which is a SIGFPE for denormal/unnormal FP results. This commit makes sure that we don't leak the denormal/unnormal mask bit in fp_except_t and also that we don't clobber it. |
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