By: Foo_ (foo.delete@this.nomail.com), April 27, 2012 7:21 am
Room: Moderated Discussions
EduardoS (no@spam.com) on 4/26/12 wrote:
---------------------------
>anonymous (no@spam.com) on 4/26/12 wrote:
>---------------------------
>>>>1. AGUs do INC/DEC for PUSH/POP only
>>>>6. Only ALUs produce and consume flags
>>
>>in English: AGUs can do increments/decrements for PUSH/POP, but not INC/DEC
>
>A kind of post/pre increment/decrement load/store wich is common on RISC?
>
Well, that's exactly what PUSH/POP are. On the Z80 some people would abuse them for that: they gave a fast 16-bit load/store with pre-decrement/post-increment (after disabling interrupts, of course).
---------------------------
>anonymous (no@spam.com) on 4/26/12 wrote:
>---------------------------
>>>>1. AGUs do INC/DEC for PUSH/POP only
>>>>6. Only ALUs produce and consume flags
>>
>>in English: AGUs can do increments/decrements for PUSH/POP, but not INC/DEC
>
>A kind of post/pre increment/decrement load/store wich is common on RISC?
>
Well, that's exactly what PUSH/POP are. On the Z80 some people would abuse them for that: they gave a fast 16-bit load/store with pre-decrement/post-increment (after disabling interrupts, of course).
Topic | Posted By | Date |
---|---|---|
Phoronix tests GCC compiler flags and Bulldozer. | I.S.T. | 2012/04/19 02:05 AM |
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Clustered MT as SMT for high frequency | hcl64 | 2012/04/28 01:59 PM |
Clustered MT as SMT for high frequency | anonymous | 2012/04/28 07:45 PM |
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Clustered MT as SMT for high frequency | anon | 2012/04/28 05:19 PM |
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Guessed meaning of "strong dependency model" | EduardoS | 2012/04/28 08:46 AM |
*Right meaning* about "strong dependency model" | hcl64 | 2012/04/28 03:59 PM |
Clustered MT as SMT for high frequency | hcl64 | 2012/04/28 03:24 PM |
Clustered MT as SMT for high frequency | anonymous | 2012/04/28 07:50 PM |
Clustered MT as SMT for high frequency | hcl64 | 2012/04/28 08:47 PM |
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SNB width | hcl64 | 2012/04/29 01:24 AM |
Clustered MT as SMT for high frequency | David Kanter | 2012/04/28 08:56 PM |
Clustered MT as SMT for high frequency | hcl64 | 2012/04/28 10:44 PM |
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SOI, FD vs. PD | hcl64 | 2012/04/30 07:08 AM |
SOI, FD vs. PD | David Kanter | 2012/04/30 08:59 AM |
SOI, FD vs. PD | hcl64 | 2012/04/30 05:10 PM |
SOI, FD vs. PD | David Kanter | 2012/04/30 05:32 PM |
SOI, FD vs. PD | hcl64 | 2012/04/30 09:47 PM |
SOI, FD vs. PD | David Kanter | 2012/05/01 01:24 AM |
SOI, FD vs. PD | hcl64 | 2012/05/01 04:46 AM |
SOI, FD vs. PD | hcl64 | 2012/05/01 05:37 AM |
SOI, FD vs. PD | David Kanter | 2012/05/01 07:19 AM |
SOI, FD vs. PD | hcl64 | 2012/05/01 06:39 AM |
PD-SOI | David Kanter | 2012/05/02 11:22 AM |
SOI, FD vs. PD | slacker | 2012/04/30 07:10 PM |
SOI, FD vs. PD | David Kanter | 2012/04/30 09:16 PM |
SOI, FD vs. PD | slacker | 2012/05/01 09:04 PM |
SOI, FD vs. PD | David Kanter | 2012/05/02 07:19 AM |
SOI, FD vs. PD | zou | 2012/05/02 11:23 AM |
Previous discussion of clustered MT | Paul A. Clayton | 2012/04/28 06:00 AM |
Previous discussion of clustered MT | hcl64 | 2012/04/28 08:38 PM |
Previous discussion of clustered MT | David Kanter | 2012/04/30 03:37 PM |
Previous discussion of clustered MT | hcl64 | 2012/04/30 06:24 PM |
Previous discussion of clustered MT | David Kanter | 2012/04/30 06:40 PM |
Previous discussion of clustered MT | hcl64 | 2012/05/01 08:15 AM |
Latency issues | David Kanter | 2012/05/02 11:01 AM |
So, what do people think of these numbers> | Megol | 2012/04/21 12:57 AM |