[Patch] [MIPS] Change opcode membership for the ssnop and ehb instructions

Richard Sandiford rdsandiford@googlemail.com
Sun May 23 21:47:00 GMT 2010


Catherine Moore <clm@codesourcery.com> writes:
> This patch changes the opcode membership for the ssnop instruction to 
> I1 from I32 | N55.  It also changes the opcode membership of the ehb 
> instruction to I32 from I33.  For those ASE's which don't support ehb 
> and/or ssnop, the instruction executes as a nop.  This change make the 
> disassembly read more cleanly.  Does this look okay to install?

I'm not convinced this is a good idea.  Do we really want:

	.set mips32
        ehb

to be acceptable?

Richard



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