Ray Lee napsal(a): > On Thu, Jun 26, 2008 at 12:19 PM, Michal Simek <monstr@xxxxxxxxx> wrote: >>> On Thu, Jun 26, 2008 at 5:29 AM, <monstr@xxxxxxxxx> wrote: >>>> +ex_sw: >>>> + /* Get the destination register number into r5 */ >>>> + lbui r5, r0, ex_reg_op; >>>> + /* Form store_word jump table offset (sw_table + (8 * regnum)) */ >>>> + la r6, r0, sw_table; >>>> + add r5, r5, r5; >>>> + add r5, r5, r5; >>>> + add r5, r5, r5; >>>> + add r5, r5, r6; >>>> + bra r5; >>> Possibly stupid question: This is part of the unaligned store word >>> exception handler, yes? Shouldn't the above add's be addk's to >>> preserve the state of the carry register pre/post store? >> I don't think that addk is important. I have some tests for exception, I want to >> cover full exception handling. > > Okay. It doesn't match your other exception handlers, though, which is > why I noticed it in the first place (they use addk). thanks for notice. I'll keep in my mind when I test it. M -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
