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| author | Aurelien Jarno <aurelien@aurel32.net> | 2012-10-09 21:53:21 +0200 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2012-10-31 22:20:48 +0100 |
| commit | 51127181cfac0315720e6ca502eb133a353f6b11 (patch) | |
| tree | 19573138089d6e5d3e95948b3bee16bfcb3a35a4 /memory_mapping.h | |
| parent | acf124655873cf7256877a35efd8dacca1b199d8 (diff) | |
| download | qemu-51127181cfac0315720e6ca502eb133a353f6b11.tar.gz | |
target-mips: optimize ddiv/ddivu/div/divu with movcond
The result of a division by 0, or a division of INT_MIN by -1 in the
signed case, is unpredictable. Just replace 0 by 1 in that case so that
it doesn't trigger a floating point exception on the host.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'memory_mapping.h')
0 files changed, 0 insertions, 0 deletions