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From: Vineet Gupta <vineetg@rivosinc.com>
To: Jeff Law <jeffreyalaw@gmail.com>, Palmer Dabbelt <palmer@dabbelt.com>
Cc: gcc-patches@gcc.gnu.org, gnu-toolchain@rivosinc.com
Subject: Re: [PATCH] RISC-V: fix TARGET_PROMOTE_FUNCTION_MODE hook for libcalls
Date: Tue, 31 Oct 2023 18:37:58 -0700	[thread overview]
Message-ID: <d5889396-8d84-488b-aaa6-4a2cc4948c56@rivosinc.com> (raw)
In-Reply-To: <4f1c8ccd-1232-43aa-a289-1717bc4d0fef@gmail.com>



On 10/31/23 17:51, Jeff Law wrote:
>>>
>>
>> We also have a non-orthogonality in the ABI sign extension rules 
>> between SI and DI, a few of us were talking about it on the internal 
>> slack (though the specifics were for a different patch, Vineet has a 
>> few in flight).
> So the old issue I was thinking of really only affects targets that 
> push arguments on the stack and when a sub-word push actually 
> allocates a full word on the stack (m68k, but !coldfire, h8 and 
> probably others of that era).
>
> Point being, those issues don't apply here.

OK, I think Palmer was conflating this with the discussion in other 
thread/patch.

-Vineet

  reply	other threads:[~2023-11-01  1:38 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-31 18:35 Vineet Gupta
2023-10-31 23:18 ` Jeff Law
2023-10-31 23:41   ` Palmer Dabbelt
2023-11-01  0:51     ` Jeff Law
2023-11-01  1:37       ` Vineet Gupta [this message]
2023-11-01 19:11 ` Jeff Law
2023-11-01 19:19   ` Vineet Gupta
2023-11-01 21:24     ` Patrick O'Neill
2023-11-01 21:51   ` [[Committed]] " Vineet Gupta

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