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| author | Richard Henderson | 2018-04-17 04:53:28 +0200 |
|---|---|---|
| committer | Peter Maydell | 2018-04-17 15:52:38 +0200 |
| commit | ce8d4082054519f2eaac39958edde502860a7fc6 (patch) | |
| tree | 67a7121204daef2a5b8fac2ce6145c72ac3739f1 /VERSION | |
| parent | mux: fix ctrl-a b again (diff) | |
| download | qemu-ce8d4082054519f2eaac39958edde502860a7fc6.tar.gz qemu-ce8d4082054519f2eaac39958edde502860a7fc6.tar.xz qemu-ce8d4082054519f2eaac39958edde502860a7fc6.zip | |
fpu: Bound increment for scalbn
Without bounding the increment, we can overflow exp either here
in scalbn_decomposed or when adding the bias in round_canonical.
This can result in e.g. underflowing to 0 instead of overflowing
to infinity.
The old softfloat code did bound the increment.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'VERSION')
0 files changed, 0 insertions, 0 deletions