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| author | Gabe Black <gblack@eecs.umich.edu> | 2010-05-02 00:39:29 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2010-05-02 00:39:29 -0700 |
| commit | 51a3d65e259fc30662ecfdac9bf7ca0068fa7da6 (patch) | |
| tree | 0e209989d9e24aad2a49250db71ad2c127e6a3b4 /util | |
| parent | 90820ddf022aab7820297318555402b4bc41ed04 (diff) | |
| download | gem5-51a3d65e259fc30662ecfdac9bf7ca0068fa7da6.tar.xz | |
X86: Finally fix a division corner case.
When doing an unsigned 64 bit division with a divisor that has its most
significant bit set, the division code would spill a bit off of the end of a
uint64_t trying to shift the dividend into position. This change adds code
that handles that case specially by purposefully letting it spill and then
going ahead assuming there was a 65th one bit.
Diffstat (limited to 'util')
0 files changed, 0 insertions, 0 deletions