Re: [PATCH] rs6000: Allow FPRs to change between SDmode and DDmode [PR94254]

Hi! On Mon, Mar 23, 2020 at 06:37:52PM +, Richard Sandiford wrote: > g:497498c878d48754318e486428e2aa30854020b9 caused lra to cycle > on some SDmode reloads for power6. As explained in more detail > in the PR comments, the problem was a conflict between two target > hooks: rs6000_secondary_me

[PATCH] rs6000: Allow FPRs to change between SDmode and DDmode [PR94254]

g:497498c878d48754318e486428e2aa30854020b9 caused lra to cycle on some SDmode reloads for power6. As explained in more detail in the PR comments, the problem was a conflict between two target hooks: rs6000_secondary_memory_needed_mode required SDmode FPR reloads to use DDmode memory (rightly, sinc