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/* "before" is 16 bytes to ensure there's no padding between it and "x".
* We're not expecting any "long double" bigger than 16 bytes or with
* alignment requirements stricter than 16 bytes. */
typedef %(type)s test_type;
struct {
char before[16];
test_type x;
char after[8];
} foo = {
{ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
'\001', '\043', '\105', '\147', '\211', '\253', '\315', '\357' },
-123456789.0,
{ '\376', '\334', '\272', '\230', '\166', '\124', '\062', '\020' }
};
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a Python implementation of the od UNIX utility (od -b, more exactly).
Parameters
----------
filename : str
name of the file to get the dump from.
Returns
-------
out : seq
list of lines of od output
Notes
-----
We only implement enough to get the necessary information for long double
representation, this is not intended as a compatible replacement for od.
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On our arm CI, this fails with an internal compilation error
The failure looks like the following, and can be reproduced on ARM64 GCC 5.4:
: In function 'right_shift':
:4:20: internal compiler error: in expand_shift_1, at expmed.c:2349
ip1[i] = ip1[i] >> in2;
^
Please submit a full bug report,
with preprocessed source if appropriate.
See for instructions.
Compiler returned: 1
This function returns True if this compiler bug is present, and we need to
turn off optimization for the function
zF __attribute__((optimize("O3"))) void right_shift() {}
NFao typedef long the_type; /* fails also for unsigned and long long */
__attribute__((optimize("O3"))) void right_shift(the_type in2, the_type *ip1, int n) {
for (int i = 0; i < n; i++) {
if (in2 < (the_type)sizeof(the_type) * 8) {
ip1[i] = ip1[i] >> in2;
}
}
}
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