target-mips: add mips16 instruction decoding

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There's no good way to add this incrementally, so we do it all at once.
The only changes to shared code are in handle_delay_slot.  We need to
flip ISAMode when doing a jump-and-exchange.  We also need to set
ISAMode the low bit of the target address for jump-to-register.

Also, since we're now adding bits that can be in MIPS_HFLAG_BMASK_EXT,
make sure we use MIPS_HFLAG_BMASK_BASE in the places where we just want
basic information about a branch.

Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

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Nathan Froyd 2009-12-08 08:06:29 -08:00 committed by Aurelien Jarno

parent 6ea219d019

commit 364d48314a

1 changed files with 1063 additions and 9 deletions

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target-mips/translate.c

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