Re: [PATCH] mips: Improved RTL representation of wsbh/dsbh/dshd

Hi Roger, > This patch to the mips backend updates the representations used > internally for MIPS' wsbh, dsbh and dshd instructions. These were > previously described using an UNSPEC rtx, which prevents simplification > at the RTL level. In addition to now being able to eliminate rotate > instru

[PATCH] mips: Improved RTL representation of wsbh/dsbh/dshd

This patch to the mips backend updates the representations used internally for MIPS' wsbh, dsbh and dshd instructions. These were previously described using an UNSPEC rtx, which prevents simplification at the RTL level. In addition to now being able to eliminate rotate instructions before/after