[Patch, microblaze, gas, opcodes] Change insn type INST_TYPE_RD_R1_SPECIAL -> INST_TYPE_R1_R2_SPECIAL

David Holsgrove david.holsgrove@xilinx.com
Thu Nov 29 06:17:00 GMT 2012


Hi Michael,

> -----Original Message-----
> From: Michael Eager [mailto:eager@eagerm.com]
> Sent: Thursday, 29 November 2012 5:15 am
> To: David Holsgrove
> Cc: binutils@sourceware.org; John Williams; Vinod Kathail; Tom Shui; Vidhumouli
> Hunsigida; Nagaraju Mekala; Edgar E. Iglesias
> Subject: Re: [Patch, microblaze, gas, opcodes] Change insn type
> INST_TYPE_RD_R1_SPECIAL -> INST_TYPE_R1_R2_SPECIAL
> 
> On 11/22/2012 04:04 AM, David Holsgrove wrote:
> >
> > Change write to data cache and write to instruction cache insns to be
> > of type INST_TYPE_R1_R2_SPECIAL (currently INST_TYPE_RD_R1_SPECIAL)
> 
> Is this patch only renaming INST_TYPE_RD_R1_SPECIAL to
> INST_TYPE_R1_R2_SPECIAL
> other than the following change?
> 
>         /* insn wic ra, rb => wic ra, ra, rb.  */
> -      inst |= (reg1 << RD_LOW) & RD_MASK;
>         inst |= (reg1 << RA_LOW) & RA_MASK;
>         inst |= (reg2 << RB_LOW) & RB_MASK;
> 
> I don't see changes to wdc* instructions.
> 

Thanks for the review - yes this patch is renaming INST_TYPE_RD_R1_SPECIAL to INST_TYPE_R1_R2_SPECIAL,
and then in opcodes/microblaze-opc.h we switch the instructions wic, wdc* to use this newly defined type.

thanks,
David

> --
> Michael Eager	 eager@eagercon.com
> 1960 Park Blvd., Palo Alto, CA 94306  650-325-8077
> 
> 





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