| To: | karthikeyan natarajan <karthik_96cse@yahoo.com> |
|---|---|
| Subject: | Re: In r4k, where does PC point to? |
| From: | Ralf Baechle <ralf@linux-mips.org> |
| Date: | Mon, 19 Jan 2004 15:50:17 +0100 |
| Cc: | linux-mips@linux-mips.org |
| In-reply-to: | <20040119074219.15886.qmail@web10106.mail.yahoo.com> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <20040119074219.15886.qmail@web10106.mail.yahoo.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mutt/1.4.1i |
On Mon, Jan 19, 2004 at 07:42:19AM +0000, karthikeyan natarajan wrote: > Basically, the PC points to the next instruction > to > be executed. But, in R4k, there are 8 instructions > getting executed in parallel. Where does the PC point > to? My understanding is that PC points to the next > instruction that will be entered into the pipeline. > Please correct me if i am wrong.. The fact that instructions are issued in a pipeline is not visible in the EPC value. Ralf |
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