On 11/08/2017 16:23, Joseph Myers wrote: > The SSE4.1 phminposuw instruction finds the minimum 16-bit element in > the source vector, putting the value of that element in the low 16 > bits of the destination vector, the index of that element in the next > three bits and zeroing the rest of the destination. The helper for > this operation fills the destination from high to low, meaning that > when the source and destination are the same register, the minimum > source element can be overwritten before it is copied to the > destination. This patch fixes it to fill the destination from low to > high instead, so the minimum source element is always copied first. > This fixes one gcc test failure in my GCC 6-based testing (and so > concludes the present sequence of patches, as I don't have any further > gcc test failures left in that testing that I attribute to QEMU bugs). > > Signed-off-by: Joseph Myers <jos...@codesourcery.com>
Nice, thanks for the patches! Queued too. Paolo
