On Thu, May 21, 2015 at 2:08 PM, H.J. Lu <hjl.to...@gmail.com> wrote: > On Thu, May 21, 2015 at 1:56 PM, Jim Wilson <jim.wil...@linaro.org> wrote: >> On 05/20/2015 10:00 AM, H.J. Lu wrote: >>> By default, alignment of DImode and DFmode is set to 8 bytes. >>> Intel MCU psABI specifies alignment of DImode and DFmode >>> to be 4 bytes. I'd like to make get_mode_alignment to return >>> 32 bits for DImode and DFmode. Is there a way to adjust alignment >>> of DImode and DFmode via ADJUST_ALIGNMENT? >> >> I see that i386-modes.def already uses ADJUST_ALIGNMENT to change the >> alignment of XFmode to 4 for ilp32 code. ADJUST_ALIGNMENT should work >> the same for DImode and DFmode. Did you run into a problem when you >> tried it? > > It seems to work. I don't know why it failed for me last time. >
Now I remembered. It doesn't work for complex and decimal floating point modes: build/genmodes: config/i386/i386-modes.def:41: no mode "DD" build/genmodes: config/i386/i386-modes.def:42: no mode "TD" -- H.J.
