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Re: Is there a way to adjust alignment of DImode and DFmode?


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?

Jim


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