Commit Graph
3 Commits
Author SHA1 Message Date
Vincent Lefevre d27a0b3548 Incorrect shift result type on unsigned short first argument.
The code for shifts is now similar to code for binary arithmetic operations,
except that only the first argument is considered, as required by the ISO C
standard.
2012-07-06 14:22:37 +02:00
Vincent Lefevre 09b98a42a3 Tests on left-shift type. 2012-07-06 13:26:43 +02:00
Vincent Lefevre 240064c03b Incorrect shift result type with 64-bit ABI
On 2012-06-26 15:07:57 +0200, Vincent Lefevre wrote:
> ISO C99 TC3 says: [6.5.7#3] "The integer promotions are performed on
> each of the operands. The type of the result is that of the promoted
> left operand."

I've written a patch (attached). Now the shift problems no longer
occur with the testcase and with GNU MPFR's "make check".

--
Vincent Lefèvre <vincent@vinc17.net> - Web: <http://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
2012-06-27 08:23:52 -04:00