On 07/13/2017 03:03 AM, Richard Sandiford wrote: > The expand_float code: > > /* Unsigned integer, and no way to convert directly. Convert as signed, > then unconditionally adjust the result. */ > > and the expand_fix code: > > /* For an unsigned conversion, there is one more way to do it. > If we have a signed conversion, we generate code that compares > the real value to the largest representable positive number. If if > is smaller, the conversion is done normally. Otherwise, subtract > one plus the highest signed number, convert, and add it back. > > are restricted to scalars, since the expansion branches on a > comparison of the value. This patch makes that explicit. > > 2017-07-13 Richard Sandiford <richard.sandif...@linaro.org> > Alan Hayward <alan.hayw...@arm.com> > David Sherwood <david.sherw...@arm.com> > > gcc/ > * optabs.c (expand_float): Explicitly check for scalars before > using a branching expansion. > (expand_fix): Likewise. OK. jeff
