From: Cupertino Miranda <Cupertino.Miranda@synopsys.com>
To: Richard Henderson <richard.henderson@linaro.org>,
Cupertino Miranda <Cupertino.Miranda@synopsys.com>,
"cupertinomiranda@gmail.com" <cupertinomiranda@gmail.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Cc: Shahab Vahedi <shahab.vahedi@gmail.com>,
Claudiu Zissulescu <Claudiu.Zissulescu@synopsys.com>,
"linux-snps-arc@lists.infradead.org"
<linux-snps-arc@lists.infradead.org>,
Claudiu Zissulescu <claziss@gmail.com>,
Shahab Vahedi <Shahab.Vahedi@synopsys.com>
Subject: Re: [PATCH 04/15] arc: TCG and decoder glue code and helpers
Date: Fri, 15 Jan 2021 22:06:55 +0000 [thread overview]
Message-ID: <a3cff6e3-3945-4feb-0840-47e658d7de29@synopsys.com> (raw)
In-Reply-To: <83e57a69-5d2f-0c6d-4f65-44ef0669d71e@linaro.org>
Ok, enter and leave will officially get to be TCG code.
To be honest initially we thought that helper code would be preferable
to TCG one. Apparently we were wrong. :-)
Thanks for your quick feedback.
On 1/15/21 9:53 PM, Richard Henderson wrote:
> On 1/15/21 11:48 AM, Cupertino Miranda wrote:
>>> In the case of enter or leave, this is one load/store plus one addition,
>>> followed by a branch. All of which is encoded as fields in the instruction.
>>> Extremely simple.
>>
>> So your recommendation is leave the conditional exception triggering of
>> enter and leave in a helper and move the loads/stores to tcg ?
>
> What? No.
>
>
> r~
>
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next prev parent reply other threads:[~2021-01-15 22:07 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-11 16:17 [PATCH 00/15] *** ARC port for review *** cupertinomiranda
2020-11-11 16:17 ` [PATCH 01/15] arc: Add initial core cpu files cupertinomiranda
2020-12-01 19:06 ` Richard Henderson
2020-11-11 16:17 ` [PATCH 02/15] arc: Decoder code cupertinomiranda
2020-11-11 16:17 ` [PATCH 03/15] arc: Opcode definitions table cupertinomiranda
2020-12-01 20:22 ` Richard Henderson
2021-01-15 17:11 ` Cupertino Miranda
2021-01-15 19:52 ` Richard Henderson
2020-11-11 16:17 ` [PATCH 04/15] arc: TCG and decoder glue code and helpers cupertinomiranda
2020-12-01 21:35 ` Richard Henderson
2021-01-15 17:11 ` Cupertino Miranda
2021-01-15 20:31 ` Richard Henderson
2021-01-15 21:48 ` Cupertino Miranda
2021-01-15 21:53 ` Richard Henderson
2021-01-15 22:06 ` Cupertino Miranda [this message]
2021-01-15 21:28 ` Shahab Vahedi
2021-01-15 21:51 ` Richard Henderson
2020-11-11 16:17 ` [PATCH 05/15] arc: TCG instruction generator and hand-definitions cupertinomiranda
2020-12-01 22:16 ` Richard Henderson
2021-01-15 17:11 ` Cupertino Miranda
2021-01-15 20:17 ` Richard Henderson
2021-01-15 21:38 ` Cupertino Miranda
2020-11-11 16:17 ` [PATCH 06/15] arc: TCG instruction definitions cupertinomiranda
2020-12-01 23:09 ` Richard Henderson
2020-12-02 12:55 ` Cupertino Miranda
2020-12-03 16:07 ` Richard Henderson
2020-12-03 16:54 ` Cupertino Miranda
2020-12-03 19:34 ` Richard Henderson
2020-12-03 19:51 ` Cupertino Miranda
2021-01-15 17:11 ` Cupertino Miranda
2020-11-11 16:17 ` [PATCH 07/15] arc: Add BCR and AUX registers implementation cupertinomiranda
2020-11-11 16:17 ` [PATCH 08/15] arc: Add IRQ and timer subsystem support cupertinomiranda
2020-11-11 16:17 ` [PATCH 09/15] arc: Add memory management unit (MMU) support cupertinomiranda
2020-11-11 16:17 ` [PATCH 10/15] arc: Add memory protection unit (MPU) support cupertinomiranda
2020-11-11 16:17 ` [PATCH 11/15] arc: Add gdbstub and XML for debugging support cupertinomiranda
2020-11-11 16:17 ` [PATCH 12/15] arc: Add Synopsys ARC emulation boards cupertinomiranda
2020-11-11 16:17 ` [PATCH 13/15] arc: Add support for ARCv2 cupertinomiranda
2020-11-11 16:17 ` [PATCH 14/15] tests/tcg: ARC: Add TCG instruction definition tests cupertinomiranda
2020-11-11 16:17 ` [PATCH 15/15] tests/acceptance: ARC: Add linux boot testing cupertinomiranda
2020-11-11 16:43 ` [PATCH 00/15] *** ARC port for review *** no-reply
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