On 27/11/13 17:49, Yvan Roux wrote: >> How can that be correct? >> >> The secondary reload macros/hooks define cases where additional registers >> are needed to reload certain forms of rtl. I doubt the use of LRA >> completely eliminates the need for secondary reloads. > > Vladimir explained me that in that case on arm, secondary reload hook > confuses LRA, and that returning NO_REGS will let LRA deal with > constraints, but I may have badly understand what he said. > > Yvan >
But wasn't that in the context of PREFERRED_RELOAD_CLASS? That's a different beast. R.