From: "Kewen.Lin" <linkw@linux.ibm.com>
To: Iain Sandoe <iain@sandoe.co.uk>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>,
Mike Stump <mikestump@comcast.net>
Subject: Re: [PATCH 07/52] darwin: Replace use of LONG_DOUBLE_TYPE_SIZE
Date: Wed, 5 Jun 2024 17:29:29 +0800 [thread overview]
Message-ID: <28eb1d89-1148-a752-bbcb-f0a18fa12c29@linux.ibm.com> (raw)
In-Reply-To: <E5645F4B-5514-46A5-AD64-63355FBA2AC6@sandoe.co.uk>
Hi Iain,
on 2024/6/4 14:21, Iain Sandoe wrote:
> Hi Kewen,
>
>> On 3 Jun 2024, at 04:00, Kewen Lin <linkw@linux.ibm.com> wrote:
>>
>> Joseph pointed out "floating types should have their mode,
>> not a poorly defined precision value" in the discussion[1],
>> as he and Richi suggested, the existing macros
>> {FLOAT,{,LONG_}DOUBLE}_TYPE_SIZE will be replaced with a
>> hook mode_for_floating_type. To be prepared for that, this
>> patch is to replace use of LONG_DOUBLE_TYPE_SIZE in darwin.c
>> with TYPE_PRECISION of long_double_type_node.
>>
>> [1] https://gcc.gnu.org/pipermail/gcc-patches/2024-May/651209.html
>>
>> gcc/ChangeLog:
>>
>> * config/darwin.cc (darwin_patch_builtins): Use TYPE_PRECISION of
>> long_double_type_node to replace LONG_DOUBLE_TYPE_SIZE.
>> ---
>> gcc/config/darwin.cc | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/gcc/config/darwin.cc b/gcc/config/darwin.cc
>> index 63b8c509405..9129378be37 100644
>> --- a/gcc/config/darwin.cc
>> +++ b/gcc/config/darwin.cc
>> @@ -3620,7 +3620,7 @@ darwin_patch_builtin (enum built_in_function fncode)
>> void
>> darwin_patch_builtins (void)
>> {
>> - if (LONG_DOUBLE_TYPE_SIZE != 128)
>> + if (TYPE_PRECISION (long_double_type_node) != 128)
>> return;
>
> Darwin (at this revision) supports long-double-{64,128}, but the support is limited
> to ibm128 for the 128b case.
>
> The purpose of this code is to adjust the libc function name in response to the
> {64,128} for the long double type - when that is 128.
>
> It seems that the revised version should be no less fragile than the original (since
> we now have potentially two 128b long double formats, although IEEE754 is not yet
> implemented for < p7 so should not (yet) be relevant).
Thanks for the information, yes, from what's in build_common_tree_nodes, both
LONG_DOUBLE_TYPE_SIZE and TYPE_PRECISION (long_double_type_node) should be the same.
>
> So, OK for the Darwin parts.
Pushed as r15-1034, thanks!
BR,
Kewen
> thanks,
> Iain
>
>
>>
>> #define PATCH_BUILTIN(fncode) darwin_patch_builtin (fncode);
>> --
>> 2.43.0
>>
>
next prev parent reply other threads:[~2024-06-05 9:29 UTC|newest]
Thread overview: 149+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-03 3:00 [PATCH 00/52] Replace {FLOAT,{,LONG_}DOUBLE}_TYPE_SIZE with new hook Kewen Lin
2024-06-03 3:00 ` [PATCH 01/52] ada: Replace use of LONG_DOUBLE_TYPE_SIZE Kewen Lin
2024-06-03 8:51 ` Eric Botcazou
2024-06-05 9:32 ` Kewen.Lin
2024-06-03 3:00 ` [PATCH 02/52] d: " Kewen Lin
2024-06-03 8:40 ` Iain Buclaw
2024-06-03 8:57 ` Kewen.Lin
2024-06-03 14:39 ` Iain Buclaw
2024-06-04 3:17 ` [PATCH 02/52 v2] " Kewen.Lin
2024-06-04 11:35 ` Iain Buclaw
2024-06-05 9:32 ` Kewen.Lin
2024-06-03 3:00 ` [PATCH 03/52] fortran: Replace uses of {FLOAT,{,LONG_}DOUBLE}_TYPE_SIZE Kewen Lin
2024-06-03 20:01 ` [PATCH 03/52] fortran: Replace uses of {FLOAT, {, LONG_}DOUBLE}_TYPE_SIZE Harald Anlauf
2024-06-03 20:01 ` Harald Anlauf
2024-06-05 9:30 ` Kewen.Lin
2024-06-03 3:00 ` [PATCH 04/52] go: Replace uses of {FLOAT,{,LONG_}DOUBLE}_TYPE_SIZE Kewen Lin
2024-06-12 9:33 ` Kewen.Lin
2024-06-12 12:32 ` Ian Lance Taylor
2024-06-25 5:38 ` Kewen.Lin
2024-06-03 3:00 ` [PATCH 05/52] rust: " Kewen Lin
2024-06-12 9:35 ` PING^1 " Kewen.Lin
2024-06-21 1:48 ` PING^2 " Kewen.Lin
2024-06-21 10:17 ` Arthur Cohen
2024-06-21 10:36 ` Kewen.Lin
2024-06-25 5:42 ` Kewen.Lin
2024-06-25 10:14 ` Arthur Cohen
2024-06-03 3:00 ` [PATCH 06/52] m2: " Kewen Lin
2024-06-03 12:42 ` Gaius Mulley
2024-06-03 18:02 ` Joseph Myers
2024-06-04 3:19 ` Kewen.Lin
2024-06-05 14:22 ` Gaius Mulley
2024-06-06 5:15 ` Kewen.Lin
2024-06-06 18:31 ` Gaius Mulley
2024-06-12 9:31 ` Kewen.Lin
2024-06-15 5:00 ` Gaius Mulley
2024-06-17 6:07 ` Kewen.Lin
2024-06-03 3:00 ` [PATCH 07/52] darwin: Replace use of LONG_DOUBLE_TYPE_SIZE Kewen Lin
2024-06-04 6:21 ` Iain Sandoe
2024-06-05 9:29 ` Kewen.Lin [this message]
2024-06-03 3:00 ` [PATCH 08/52] vms: " Kewen Lin
2024-06-12 9:36 ` PING^1 " Kewen.Lin
2024-06-03 3:00 ` [PATCH 09/52] Replace {FLOAT,{,LONG_}DOUBLE}_TYPE_SIZE with new hook mode_for_floating_type Kewen Lin
2024-06-03 6:49 ` Richard Biener
2024-06-03 9:36 ` Kewen.Lin
2024-06-03 17:59 ` [PATCH 09/52] Replace {FLOAT, {, LONG_}DOUBLE}_TYPE_SIZE " Joseph Myers
2024-06-04 3:27 ` [PATCH 09/52 v2] " Kewen.Lin
2024-06-25 5:20 ` Kewen.Lin
2024-06-03 3:01 ` [PATCH 10/52] jit: Replace uses of {FLOAT,{,LONG_}DOUBLE}_TYPE_SIZE Kewen Lin
2024-06-13 7:14 ` PING^1 " Kewen.Lin
2024-06-13 13:44 ` David Malcolm
2024-06-14 2:16 ` Kewen.Lin
2024-06-24 6:23 ` Kewen.Lin
2024-06-24 22:25 ` David Malcolm
2024-06-03 3:01 ` [PATCH 11/52] arc: Remove macros {FLOAT,DOUBLE,LONG_DOUBLE}_TYPE_SIZE Kewen Lin
2024-06-13 7:14 ` PING^1 " Kewen.Lin
2024-06-03 3:01 ` [PATCH 12/52] bpf: " Kewen Lin
2024-06-13 7:15 ` PING^1 " Kewen.Lin
2024-06-03 3:01 ` [PATCH 13/52] epiphany: " Kewen Lin
2024-06-13 7:15 ` PING^1 " Kewen.Lin
2024-06-03 3:01 ` [PATCH 14/52] fr30: " Kewen Lin
2024-06-03 11:43 ` Nick Clifton
2024-06-03 3:01 ` [PATCH 15/52] frv: " Kewen Lin
2024-06-03 13:31 ` Nick Clifton
2024-06-03 3:01 ` [PATCH 16/52] ft32: " Kewen Lin
2024-06-13 7:15 ` PING^1 " Kewen.Lin
2024-06-03 3:01 ` [PATCH 17/52] gcn: " Kewen Lin
2024-06-03 9:14 ` [PATCH 17/52] gcn: Remove macros {FLOAT, DOUBLE, LONG_DOUBLE}_TYPE_SIZE Andrew Stubbs
2024-06-03 9:41 ` Kewen.Lin
2024-06-03 9:57 ` Jakub Jelinek
2024-06-03 3:01 ` [PATCH 18/52] iq2000: Remove macros {FLOAT,DOUBLE,LONG_DOUBLE}_TYPE_SIZE Kewen Lin
2024-06-03 13:32 ` Nick Clifton
2024-06-03 3:01 ` [PATCH 19/52] lm32: " Kewen Lin
2024-06-13 7:15 ` PING^1 " Kewen.Lin
2024-06-03 3:01 ` [PATCH 20/52] m32c: " Kewen Lin
2024-06-03 13:33 ` Nick Clifton
2024-06-03 3:01 ` [PATCH 21/52] m32r: " Kewen Lin
2024-06-03 13:33 ` Nick Clifton
2024-06-03 3:01 ` [PATCH 22/52] microblaze: " Kewen Lin
2024-06-13 7:16 ` PING^1 " Kewen.Lin
2024-06-13 17:37 ` Michael Eager
2024-06-03 3:01 ` [PATCH 23/52] mmix: " Kewen Lin
2024-06-06 1:41 ` Hans-Peter Nilsson
2024-06-06 2:11 ` Kewen.Lin
2024-06-03 3:01 ` [PATCH 24/52] moxie: " Kewen Lin
2024-06-13 7:16 ` PING^1 " Kewen.Lin
2024-06-03 3:01 ` [PATCH 25/52] msp430: " Kewen Lin
2024-06-03 13:34 ` Nick Clifton
2024-06-03 3:01 ` [PATCH 26/52] nds32: " Kewen Lin
2024-06-13 7:16 ` PING^1 " Kewen.Lin
2024-06-03 3:01 ` [PATCH 27/52] nios2: " Kewen Lin
2024-06-06 16:23 ` Sandra Loosemore
2024-06-03 3:01 ` [PATCH 28/52] nvptx: " Kewen Lin
2024-06-13 7:16 ` PING^1 " Kewen.Lin
2024-06-03 3:01 ` [PATCH 29/52] or1k: " Kewen Lin
2024-06-13 7:16 ` PING^1 " Kewen.Lin
2024-06-20 14:18 ` Stafford Horne
2024-06-03 3:01 ` [PATCH 30/52] pdp11: Remove macro LONG_DOUBLE_TYPE_SIZE Kewen Lin
2024-06-13 7:16 ` PING^1 " Kewen.Lin
2024-06-13 20:07 ` Paul Koning
2024-06-14 3:22 ` [PATCH 30/52 v2] pdp11: Remove macro {FLOAT,DOUBLE,LONG_DOUBLE}_TYPE_SIZE Kewen.Lin
2024-06-14 15:20 ` Paul Koning
2024-06-17 2:01 ` Kewen.Lin
2024-06-17 18:05 ` Paul Koning
2024-06-03 3:01 ` [PATCH 31/52] pru: Remove macros {FLOAT,DOUBLE,LONG_DOUBLE}_TYPE_SIZE Kewen Lin
2024-06-03 15:59 ` Dimitar Dimitrov
2024-06-03 3:01 ` [PATCH 32/52] stormy16: " Kewen Lin
2024-06-03 13:35 ` Nick Clifton
2024-06-03 3:01 ` [PATCH 33/52] visium: " Kewen Lin
2024-06-13 7:17 ` PING^1 " Kewen.Lin
2024-06-03 3:01 ` [PATCH 34/52] xtensa: " Kewen Lin
2024-06-03 21:08 ` augustine.sterling
2024-06-03 3:01 ` [PATCH 35/52] rs6000: New hook implementation rs6000_c_mode_for_floating_type Kewen Lin
2024-06-03 3:01 ` [PATCH 36/52] aarch64: New hook implementation aarch64_c_mode_for_floating_type Kewen Lin
2024-06-03 10:32 ` Richard Sandiford
2024-06-03 3:01 ` [PATCH 37/52] alpha: New hook implementation alpha_c_mode_for_floating_type Kewen Lin
2024-06-13 7:42 ` PING^1 " Kewen.Lin
2024-06-03 3:01 ` [PATCH 38/52] avr: New hook implementation avr_c_mode_for_floating_type Kewen Lin
2024-06-13 7:42 ` PING^1 " Kewen.Lin
2024-06-03 3:01 ` [PATCH 39/52] i386: New hook implementation ix86_c_mode_for_floating_type Kewen Lin
2024-06-03 7:12 ` Uros Bizjak
2024-06-03 3:01 ` [PATCH 40/52] ia64: New hook implementation ia64_c_mode_for_floating_type Kewen Lin
2024-06-13 7:42 ` PING^1 " Kewen.Lin
2024-06-03 3:01 ` [PATCH 41/52] riscv: New hook implementation riscv_c_mode_for_floating_type Kewen Lin
2024-06-03 5:14 ` Kito Cheng
2024-06-03 3:01 ` [PATCH 42/52] rl78: New hook implementation rl78_c_mode_for_floating_type Kewen Lin
2024-06-13 7:42 ` PING^1 " Kewen.Lin
2024-06-13 7:46 ` Richard Biener
2024-06-03 3:01 ` [PATCH 43/52] rx: New hook implementation rx_c_mode_for_floating_type Kewen Lin
2024-06-03 13:36 ` Nick Clifton
2024-06-03 3:01 ` [PATCH 44/52] s390: New hook implementation s390_c_mode_for_floating_type Kewen Lin
2024-06-13 7:43 ` PING^1 " Kewen.Lin
2024-06-14 5:40 ` Andreas Krebbel
2024-06-03 3:01 ` [PATCH 45/52] sh: New hook implementation sh_c_mode_for_floating_type Kewen Lin
2024-06-03 3:16 ` Oleg Endo
2024-06-03 3:01 ` [PATCH 46/52] h8300: New hook implementation h8300_c_mode_for_floating_type Kewen Lin
2024-06-13 7:43 ` PING^1 " Kewen.Lin
2024-06-03 3:01 ` [PATCH 47/52] loongarch: New hook implementation loongarch_c_mode_for_floating_type Kewen Lin
2024-06-04 1:45 ` Lulu Cheng
2024-06-03 3:01 ` [PATCH 48/52] m68k: New hook implementation m68k_c_mode_for_floating_type Kewen Lin
2024-06-13 7:43 ` PING^1 " Kewen.Lin
2024-06-03 3:01 ` [PATCH 49/52] mips: New hook implementation mips_c_mode_for_floating_type Kewen Lin
2024-06-04 1:16 ` YunQiang Su
2024-06-03 3:01 ` [PATCH 50/52] pa: New hook implementation pa_c_mode_for_floating_type Kewen Lin
2024-06-04 18:55 ` John David Anglin
2024-06-03 3:01 ` [PATCH 51/52] sparc: New hook implementation sparc_c_mode_for_floating_type Kewen Lin
2024-06-03 9:02 ` Eric Botcazou
2024-06-03 9:37 ` Kewen.Lin
2024-06-03 3:01 ` [PATCH 52/52] bfin: Rename macros {FLOAT,DOUBLE}_TYPE_SIZE Kewen Lin
2024-06-13 7:43 ` PING^1 " Kewen.Lin
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