xiezhiheng writes:
>> -Original Message-
>> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
>> Sent: Tuesday, November 10, 2020 7:54 PM
>> To: xiezhiheng
>> Cc: gcc-patches@gcc.gnu.org
>> Subject: Re: [PATCH PR94442] [AArch64] Redundant ld
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Tuesday, November 10, 2020 7:54 PM
> To: xiezhiheng
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instructions
> emitted at -O3
&g
xiezhiheng writes:
>> -Original Message-
>> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
>> Sent: Tuesday, November 3, 2020 9:57 PM
>> To: xiezhiheng
>> Cc: gcc-patches@gcc.gnu.org
>> Subject: Re: [PATCH PR94442] [AArch64] Redundant ld
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Tuesday, November 3, 2020 9:57 PM
> To: xiezhiheng
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instructions
> emitted at -O3
>
xiezhiheng writes:
>> -Original Message-
>> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
>> Sent: Friday, October 30, 2020 6:24 PM
>> To: xiezhiheng
>> Cc: gcc-patches@gcc.gnu.org
>> Subject: Re: [PATCH PR94442] [AArch64] Redundant ld
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Friday, October 30, 2020 6:24 PM
> To: xiezhiheng
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instructions
> emitted at -O3
&g
xiezhiheng writes:
>> -Original Message-
>> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
>> Sent: Monday, October 26, 2020 9:03 PM
>> To: xiezhiheng
>> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
>> Subject: Re: [PATCH PR94442] [AAr
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Monday, October 26, 2020 9:03 PM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instructions
> emit
xiezhiheng writes:
>> -Original Message-
>> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
>> Sent: Wednesday, October 21, 2020 12:54 AM
>> To: xiezhiheng
>> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
>> Subject: Re: [PATCH PR94442] [AAr
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Wednesday, October 21, 2020 12:54 AM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instruction
xiezhiheng writes:
> I made two separate patches for these two groups, get/set register intrinsics
> and store intrinsics.
>
> Note: It does not matter which patch is applied first.
>
> Bootstrapped and tested on aarch64 Linux platform.
Thanks. I pushed the get/set patch. For the store patch,
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Tuesday, October 13, 2020 4:08 PM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instructions
> e
xiezhiheng writes:
>> -Original Message-
>> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
>> Sent: Thursday, August 27, 2020 4:08 PM
>> To: xiezhiheng
>> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
>> Subject: Re: [PATCH PR94442] [AAr
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Thursday, August 27, 2020 4:08 PM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instruction
xiezhiheng writes:
> I made two separate patches for these two groups for review purposes.
>
> Note: Patch for min/max intrinsics should be applied before the patch for
> rounding intrinsics
>
> Bootstrapped and tested on aarch64 Linux platform.
Thanks, LGTM. Pushed to master.
Richard
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Wednesday, August 26, 2020 6:14 PM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instructions
> e
xiezhiheng writes:
>> -Original Message-
>> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
>> Sent: Tuesday, August 25, 2020 7:08 PM
>> To: xiezhiheng
>> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
>> Subject: Re: [PATCH PR94442] [AAr
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Tuesday, August 25, 2020 7:08 PM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instruction
xiezhiheng writes:
>> -Original Message-
>> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
>> Sent: Friday, August 21, 2020 5:02 PM
>> To: xiezhiheng
>> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
>> Subject: Re: [PATCH PR94442] [AAr
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Friday, August 21, 2020 5:02 PM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instructions
>
xiezhiheng writes:
>> -Original Message-
>> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
>> Sent: Thursday, August 20, 2020 4:55 PM
>> To: xiezhiheng
>> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
>> Subject: Re: [PATCH PR94442] [AAr
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Thursday, August 20, 2020 4:55 PM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instruction
xiezhiheng writes:
>> -Original Message-
>> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
>> Sent: Wednesday, August 19, 2020 6:06 PM
>> To: xiezhiheng
>> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
>> Subject: Re: [PATCH PR94442] [AAr
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Wednesday, August 19, 2020 6:06 PM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instruction
xiezhiheng writes:
> I add FLAGS for part of intrinsics in aarch64-simd-builtins.def first for a
> try,
> including all the add/sub arithmetic intrinsics.
>
> Something like faddp intrinsic which only handles floating-point operations,
> both FP and NONE flags are suitable for it because FLAG_FP
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Wednesday, August 5, 2020 12:26 AM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instruction
xiezhiheng writes:
>> > Sorry, I should have used it. And I prepare a patch to use FLOAT_MODE_P
>> > macro and add a flag FLAG_SUPPRESS_FP_EXCEPTIONS to suppress
>> > FLAG_RAISE_FP_EXCEPTIONS for certain intrinsics in future.
>>
>> The same thing is true for reading FPCR as well, so I think the
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Monday, August 3, 2020 9:55 PM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instructions
> e
xiezhiheng writes:
>> -Original Message-
>> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
>> Sent: Friday, July 31, 2020 5:03 PM
>> To: xiezhiheng
>> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
>> Subject: Re: [PATCH PR94442] [AAr
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Friday, July 31, 2020 5:03 PM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instructions
> emitted a
xiezhiheng writes:
>> -Original Message-
>> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
>> Sent: Friday, July 17, 2020 5:04 PM
>> To: xiezhiheng
>> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
>> Subject: Re: [PATCH PR94442] [AAr
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Friday, July 17, 2020 5:04 PM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instructions
>
sage-
>> >> >> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
>> >> >> Sent: Monday, July 6, 2020 5:31 PM
>> >> >> To: xiezhiheng
>> >> >> Cc: Richard Biener ;
>> >> gcc-patches@gcc.gnu.org
>>
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Thursday, July 16, 2020 8:42 PM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instruction
xiezhiheng writes:
>> -Original Message-
>> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
>> Sent: Tuesday, July 7, 2020 10:08 PM
>> To: xiezhiheng
>> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
>> Subject: Re: [PATCH PR94442] [AAr
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Tuesday, July 7, 2020 10:08 PM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instructions
> emitted a
xiezhiheng writes:
>> -Original Message-
>> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
>> Sent: Monday, July 6, 2020 5:31 PM
>> To: xiezhiheng
>> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
>> Subject: Re: [PATCH PR94442] [AAr
> -Original Message-
> From: Richard Sandiford [mailto:richard.sandif...@arm.com]
> Sent: Monday, July 6, 2020 5:31 PM
> To: xiezhiheng
> Cc: Richard Biener ; gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instructions
> emitted at
xiezhiheng writes:
>> -Original Message-
>> From: Richard Biener [mailto:richard.guent...@gmail.com]
>> Sent: Thursday, July 2, 2020 10:46 PM
>> To: xiezhiheng
>> Cc: gcc-patches@gcc.gnu.org
>> Subject: Re: [PATCH PR94442] [AArch64] Redundant ld
> -Original Message-
> From: Richard Biener [mailto:richard.guent...@gmail.com]
> Sent: Thursday, July 2, 2020 10:46 PM
> To: xiezhiheng
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH PR94442] [AArch64] Redundant ldp/stp instructions
> emitted at -O3
>
>
On Thu, Jul 2, 2020 at 3:22 PM xiezhiheng wrote:
>
> Hi,
>
> This is a fix for pr94442.
> I modify get_inner_reference to handle the case for MEM[ptr, off].
> I extract the "off" and add it to the recorded offset, then I build a
> MEM[ptr, 0] and return it later.
>
> diff --git a/gcc/expr.c b/gcc/
On Thu, 2020-04-02 at 06:35 +, xiezhiheng wrote:
> Hi,
> I've created a bug for this issue:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94442
>
> And I'm going to solve this problem by propagating def's insn to its use
> when they are at the same loop in fwprop pass.
> I mean somet
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