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authorTom Musta <tommusta@gmail.com>2014-01-07 17:17:51 +0000
committerPeter Maydell <peter.maydell@linaro.org>2014-01-08 19:07:22 +0000
commit5e7f654fa152de246f2254707bacac31ba50c660 (patch)
tree7c526839fc03c6b0fd058a558b3683b93b8493e2 /qmp-commands.hx
parent0a87a3107dad97abff5b06558b0cce6832229086 (diff)
softfloat: Fix float64_to_uint32
The float64_to_uint32 has several flaws: - for numbers between 2**32 and 2**64, the inexact exception flag may get incorrectly set. In this case, only the invalid flag should be set. test pattern: 425F81378DC0CD1F / 0x1.f81378dc0cd1fp+38 - for numbers between 2**63 and 2**64, incorrect results may be produced: test pattern: 43EAAF73F1F0B8BD / 0x1.aaf73f1f0b8bdp+63 This patch re-implements float64_to_uint32 to re-use the float64_to_uint64 routine (instead of float64_to_int64). For the saturation case, we ignore any flags which the conversion routine has set and raise only the invalid flag. This contribution can be licensed under either the softfloat-2a or -2b license. Signed-off-by: Tom Musta <tommusta@gmail.com> Message-id: 1387397961-4894-5-git-send-email-tommusta@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'qmp-commands.hx')
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