* -flax-vector-conversions option
@ 2011-02-20 8:57 ali hagigat
2011-02-20 13:42 ` Ian Lance Taylor
0 siblings, 1 reply; 2+ messages in thread
From: ali hagigat @ 2011-02-20 8:57 UTC (permalink / raw)
To: gcc-help
"-flax-vector-conversions
Allow implicit conversions between vectors with differing numbers of elements
and/or incompatible element types. "
Please mention an example. What is the story of vectors? and
incompatible element types?
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: -flax-vector-conversions option
2011-02-20 8:57 -flax-vector-conversions option ali hagigat
@ 2011-02-20 13:42 ` Ian Lance Taylor
0 siblings, 0 replies; 2+ messages in thread
From: Ian Lance Taylor @ 2011-02-20 13:42 UTC (permalink / raw)
To: ali hagigat; +Cc: gcc-help
ali hagigat <hagigatali@gmail.com> writes:
> "-flax-vector-conversions
> Allow implicit conversions between vectors with differing numbers of elements
> and/or incompatible element types. "
> Please mention an example. What is the story of vectors? and
> incompatible element types?
Vectors are described at
http://gcc.gnu.org/onlinedocs/gcc/Vector-Extensions.html . As that
says, "it is possible to cast from one vector type to another, provided
they are of the same size." If you use -flax-vector-conversions, then
these conversions are permitted without an explicit cast.
Ian
^ permalink raw reply [flat|nested] 2+ messages in thread
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