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From: Segher Boessenkool <segher@kernel.crashing.org>
To: Bill Schmidt <wschmidt@linux.ibm.com>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [PATCH 23/55] rs6000: Incorporate new builtins code into the build machinery
Date: Wed, 21 Jul 2021 13:58:30 -0500	[thread overview]
Message-ID: <20210721185830.GK1583@gate.crashing.org> (raw)
In-Reply-To: <4f27468885fd84aba5f0dc2369a284f3cffa2b34.1623941441.git.wschmidt@linux.ibm.com>

On Thu, Jun 17, 2021 at 10:19:07AM -0500, Bill Schmidt wrote:
> 2021-06-07  Bill Schmidt  <wschmidt@linux.ibm.com>
> 
> gcc/
> 	* config.gcc (extra_objs): Include rs6000-builtins.o and
> 	rs6000-c.o.

The rs6000-c.o part needs an explanation, and probably should be a
separate (bugfix) patch (and it needs backports?)

The changelog entry should read
	* config.gcc (powerpc*-*-*): Include [...] in extra_objs.
or similar.

> 	* config/rs6000/t-rs6000 (rs6000-gen-builtins.o): New target.
> 	(rbtree.o): Likewise.
> 	(rs6000-gen-builtins): Likewise.
> 	(rs6000-builtins.c): Likewise.
> 	(rs6000-builtins.h): Likewise.
> 	(rs6000.o): Add dependency.
> 	(EXTRA_HEADERS): Add rs6000-vecdefines.h.
> 	(rs6000-vecdefines.h): New target.
> 	(rs6000-builtins.o): Likewise.
> 	(rs6000-call.o): Add rs6000-builtins.h as a dependency.
> 	(rs6000-c.o): Likewise.

> +rs6000-gen-builtins.o: $(srcdir)/config/rs6000/rs6000-gen-builtins.c
> +	$(COMPILE) $(CXXFLAGS) $<
> +	$(POSTCOMPILE)
> +
> +rbtree.o: $(srcdir)/config/rs6000/rbtree.c
> +	$(COMPILE) $<
> +	$(POSTCOMPILE)

Why does one need CXXFLAGS and the other does not?

> +# TODO: Whenever GNU make 4.3 is the minimum required, we should use
> +# grouped targets on this:

That may be quite a while still.  GNU make is the foundation of
everything, so we cannot require very new versions of it ever.

In the meantime, you can make all these targets depend on an
intermediate target (that you mark with .INTERMEDIATE), and have that
intermediate target have the dependencies.  This is from version 3.74.3
and we require 3.80 already, so this is fine.

> +EXTRA_HEADERS += rs6000-vecdefines.h
> +rs6000-vecdefines.h : rs6000-builtins.c

No space before the colon please.


Segher

  reply	other threads:[~2021-07-21 18:59 UTC|newest]

Thread overview: 110+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-17 15:18 [PATCHv3 00/55] Replace the Power target-specific builtin machinery Bill Schmidt
2021-06-17 15:18 ` [PATCH 01/55] Support scanning of build-time GC roots in gengtype Bill Schmidt
2021-06-17 15:18 ` [PATCH 02/55] rs6000: Initial create of rs6000-gen-builtins.c Bill Schmidt
2021-06-17 15:18 ` [PATCH 03/55] rs6000: Add initial input files Bill Schmidt
2021-06-17 15:18 ` [PATCH 04/55] rs6000: Add file support and functions for diagnostic support Bill Schmidt
2021-06-17 15:18 ` [PATCH 05/55] rs6000: Add helper functions for parsing Bill Schmidt
2021-07-09 19:32   ` will schmidt
2021-07-14 22:58     ` Segher Boessenkool
2021-07-14 23:32   ` Segher Boessenkool
2021-06-17 15:18 ` [PATCH 06/55] rs6000: Add functions for matching types, part 1 of 3 Bill Schmidt
2021-06-17 15:18 ` [PATCH 07/55] rs6000: Add functions for matching types, part 2 " Bill Schmidt
2021-06-17 15:18 ` [PATCH 08/55] rs6000: Add functions for matching types, part 3 " Bill Schmidt
2021-06-17 15:18 ` [PATCH 09/55] rs6000: Red-black tree implementation for balanced tree search Bill Schmidt
2021-06-17 15:18 ` [PATCH 10/55] rs6000: Main function with stubs for parsing and output Bill Schmidt
2021-07-19 19:15   ` Segher Boessenkool
2021-07-20 22:19     ` Bill Schmidt
2021-07-20 23:22       ` Segher Boessenkool
2021-07-21  1:51         ` Bill Schmidt
2021-07-21 15:43           ` Segher Boessenkool
2021-07-21 16:08             ` Bill Schmidt
2021-07-21 16:16               ` Bill Schmidt
2021-06-17 15:18 ` [PATCH 11/55] rs6000: Parsing built-in input file, part 1 of 3 Bill Schmidt
2021-07-19 20:39   ` Segher Boessenkool
2021-06-17 15:18 ` [PATCH 12/55] rs6000: Parsing built-in input file, part 2 " Bill Schmidt
2021-07-19 22:07   ` Segher Boessenkool
2021-06-17 15:18 ` [PATCH 13/55] rs6000: Parsing built-in input file, part 3 " Bill Schmidt
2021-07-19 22:13   ` Segher Boessenkool
2021-06-17 15:18 ` [PATCH 14/55] rs6000: Parsing of overload input file Bill Schmidt
2021-07-19 23:09   ` Segher Boessenkool
2021-06-17 15:18 ` [PATCH 15/55] rs6000: Build and store function type identifiers Bill Schmidt
2021-07-20  0:04   ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 16/55] rs6000: Write output to the builtin definition include file Bill Schmidt
2021-07-20 23:27   ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 17/55] rs6000: Write output to the builtins header file Bill Schmidt
2021-07-20 23:40   ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 18/55] rs6000: Write output to the builtins init file, part 1 of 3 Bill Schmidt
2021-07-20 23:51   ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 19/55] rs6000: Write output to the builtins init file, part 2 " Bill Schmidt
2021-07-20 23:53   ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 20/55] rs6000: Write output to the builtins init file, part 3 " Bill Schmidt
2021-07-21 17:08   ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 21/55] rs6000: Write static initializations for built-in table Bill Schmidt
2021-07-21 17:14   ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 22/55] rs6000: Write static initializations for overload tables Bill Schmidt
2021-07-21 17:40   ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 23/55] rs6000: Incorporate new builtins code into the build machinery Bill Schmidt
2021-07-21 18:58   ` Segher Boessenkool [this message]
2021-07-27  3:26     ` Bill Schmidt
2021-07-27 14:23       ` Segher Boessenkool
2021-07-27 17:38         ` Bill Schmidt
2021-06-17 15:19 ` [PATCH 24/55] rs6000: Add gengtype handling to " Bill Schmidt
2021-06-17 15:19 ` [PATCH 25/55] rs6000: Add the rest of the [altivec] stanza to the builtins file Bill Schmidt
2021-06-17 15:19 ` [PATCH 26/55] rs6000: Add VSX builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 27/55] rs6000: Add available-everywhere and ancient builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 28/55] rs6000: Add power7 and power7-64 builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 29/55] rs6000: Add power8-vector builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 30/55] rs6000: Add Power9 builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 31/55] rs6000: Add more type nodes to support builtin processing Bill Schmidt
2021-06-17 15:19 ` [PATCH 32/55] rs6000: Add Power10 builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 33/55] rs6000: Add MMA builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 34/55] rs6000: Add miscellaneous builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 35/55] rs6000: Add Cell builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 36/55] rs6000: Add remaining overloads Bill Schmidt
2021-06-17 15:19 ` [PATCH 37/55] rs6000: Execute the automatic built-in initialization code Bill Schmidt
2021-06-17 15:19 ` [PATCH 38/55] rs6000: Darwin builtin support Bill Schmidt
2021-06-17 15:19 ` [PATCH 39/55] rs6000: Add sanity to V2DI_type_node definitions Bill Schmidt
2021-06-17 15:19 ` [PATCH 40/55] rs6000: Always initialize vector_pair and vector_quad nodes Bill Schmidt
2021-06-17 15:19 ` [PATCH 41/55] rs6000: Handle overloads during program parsing Bill Schmidt
2021-06-17 15:19 ` [PATCH 42/55] rs6000: Handle gimple folding of target built-ins Bill Schmidt
2021-07-28 21:21   ` will schmidt
2021-07-29 12:42     ` Bill Schmidt
2021-08-02 13:31       ` Bill Schmidt
2021-08-02 23:43         ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 43/55] rs6000: Support for vectorizing built-in functions Bill Schmidt
2021-06-17 15:19 ` [PATCH 44/55] rs6000: Builtin expansion, part 1 Bill Schmidt
2021-07-27 21:06   ` will schmidt
2021-07-28  3:30     ` Bill Schmidt
2021-06-17 15:19 ` [PATCH 45/55] rs6000: Builtin expansion, part 2 Bill Schmidt
2021-07-27 21:06   ` will schmidt
2021-06-17 15:19 ` [PATCH 46/55] rs6000: Builtin expansion, part 3 Bill Schmidt
2021-07-27 21:06   ` will schmidt
2021-08-03 23:40     ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 47/55] rs6000: Builtin expansion, part 4 Bill Schmidt
2021-07-27 21:06   ` will schmidt
2021-08-03 23:46     ` Segher Boessenkool
2021-08-04  0:34     ` Segher Boessenkool
2021-08-12 16:17       ` Bill Schmidt
2021-06-17 15:19 ` [PATCH 48/55] rs6000: Builtin expansion, part 5 Bill Schmidt
2021-07-27 21:07   ` will schmidt
2021-06-17 15:19 ` [PATCH 49/55] rs6000: Builtin expansion, part 6 Bill Schmidt
2021-07-27 21:07   ` will schmidt
2021-07-28 20:38     ` Bill Schmidt
2021-06-17 15:19 ` [PATCH 50/55] rs6000: Update rs6000_builtin_decl Bill Schmidt
2021-07-27 21:08   ` will schmidt
2021-08-04  0:38     ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 51/55] rs6000: Miscellaneous uses of rs6000_builtin_decls_x Bill Schmidt
2021-07-27 21:08   ` will schmidt
2021-06-17 15:19 ` [PATCH 52/55] rs6000: Debug support Bill Schmidt
2021-07-27 21:07   ` will schmidt
2021-08-04  0:49     ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 53/55] rs6000: Update altivec.h for automated interfaces Bill Schmidt
2021-07-27 21:07   ` will schmidt
2021-07-28 20:58     ` Bill Schmidt
2021-08-04  0:58       ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 54/55] rs6000: Test case adjustments Bill Schmidt
2021-06-17 15:19 ` [PATCH 55/55] rs6000: Enable the new builtin support Bill Schmidt
2021-07-27 21:07   ` will schmidt
2021-06-25 15:25 ` [PATCHv3 00/55] Replace the Power target-specific builtin machinery Bill Schmidt
2021-07-13 13:52   ` Bill Schmidt
  -- strict thread matches above, loose matches on Subject: below --
2021-06-08 18:26 [PATCHv2 " Bill Schmidt
2021-06-08 18:26 ` [PATCH 23/55] rs6000: Incorporate new builtins code into the build machinery Bill Schmidt

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