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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-11-22 13:58:57 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2017-11-22 13:58:57 +0000 |
| commit | 2131f7f5b7fafad66c0ae3fcf91d531fc6f9ceb1 (patch) | |
| tree | dde1145642e089c705eba8a6de288f81437c2a6a /gcc/coverage.c | |
| parent | a76ef9c5a8447bf3e90ed832ef1286cda205e115 (diff) | |
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PR82547: Undetected overflow for UNSIGNED wide_ints
wi::add_large and wi::sub_large weren't setting the overflow bit
correctly for unsigned operations if the result needed fewer HWIs
than the precision.
2017-11-22 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
PR middle-end/82547
* wide-int.cc (wi::add_large, wi::sub_large): Fix overflow detection
for unsigned values with fewer HWIs than the precision.
(test_overflow): New function.
(wide_int_cc_tests): Call it.
From-SVN: r255059
Diffstat (limited to 'gcc/coverage.c')
0 files changed, 0 insertions, 0 deletions