search for: subpoptimal

Hi Måns, Always forcing 64-bit operands into even/odd pairs may lead to subpoptimal register allocation because not all 64 bit data requires paired regs. It seems there is no general pattern to match. Maybe we should treat it case by case. Jakob, do you have any suggestions? Thanks, Weiming Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux...

r175088 attempted to fix gcc inline asm compatibility with 64-bit operands by forcing these into even/odd register pairs the same way gcc always allocates such values. While the fix appears to work as such, it is not always activated when required. The patch makes the assumption that any inline asm statement relying on the even/odd allocation will make use of the %Hn syntax to reference the high