On Wed, Aug 17, 2016 at 4:17 PM, Jakub Jelinek <[email protected]> wrote:
> On Tue, Aug 16, 2016 at 09:21:57PM +0200, Uros Bizjak wrote:
>> The idea is indeed good, but please leave full names in the *.def
>> file. We can change them later, if need arises.
>
> Ok, here it is.
> i386-builtin.def is basically moved the bdesc_* definitions, except that
> { ... },
> is replaced with
> BDESC (...)
> and comments reindented. The first entry in each bdesc_* array
> uses BDESC_FIRST macro instead of BDESC, and there is BDESC_END after the
> last one. I've managed to do it without gaps in between enumerator values
> for the boundaries, and with the goal that additions of BDESC entries at the
> end of bdesc_* sections will be much more common than adding new bdesc_*
> arrays, so e.g. didn't want a BDESC_LAST macro that would need to be changed
> to BDESC and added for some new entry every time something is appended.
> Also, I've tried to make the real builtin IX86_BUILTIN_* values to always
> precede the IX86_BUILTIN__BDESC_*_{FIRST,LAST} aliases, so that in the
> debugger one can see IX86_BUILTIN_COMIEQSS rather than
> IX86_BUILTIN__BDESC_COMI_FIRST etc.
>
> Full patch is attached xz compressed, included below is the same patch with
> lots of - or + lines replaced with ... where it doesn't contain anything
> interesting for the review.
>
> Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
>
> 2016-08-17 Jakub Jelinek <[email protected]>
>
> * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_*
> codes that appear in bdesc_* arrays, instead include i386-builtin.def
> twice to define those.
> (bdesc_comi, bdesc_pcmpestr, bdesc_pcmpistr, bdesc_special_args,
> bdesc_args, bdesc_round_args, bdesc_mpx, bdesc_mpx_const,
> bdesc_multi_arg): Define by including i386-builtin.def the third time.
> * config/i386/i386-builtin.def: New file.
OK.
Thanks,
Uros.
> --- gcc/config/i386/i386.c.jj 2016-08-16 21:27:02.000000000 +0200
> +++ gcc/config/i386/i386.c 2016-08-17 12:43:20.255605518 +0200
> @@ -30661,2415 +30661,41 @@ enum ix86_builtins
> IX86_BUILTIN_READ_FLAGS,
> IX86_BUILTIN_WRITE_FLAGS,
>
> - /* All the remaining builtins are tracked in bdesc_* arrays.
> ...
> - IX86_BUILTIN_VPERMIL2PS256,
> - IX86_BUILTIN__BDESC_MULTI_ARG_LAST = IX86_BUILTIN_VPERMIL2PS256,
> + /* All the remaining builtins are tracked in bdesc_* arrays in
> + i386-builtin.def. Don't add any IX86_BUILTIN_* enumerators after
> + this point. */
> +#define BDESC(mask, icode, name, code, comparison, flag) \
> + code,
> +#define BDESC_FIRST(kind, kindu, mask, icode, name, code, comparison, flag) \
> + code,
> \
> + IX86_BUILTIN__BDESC_##kindu##_FIRST = code,
> +#define BDESC_END(kind, next_kind)
> +
> +#include "i386-builtin.def"
> +
> +#undef BDESC
> +#undef BDESC_FIRST
> +#undef BDESC_END
> +
> + IX86_BUILTIN_MAX,
> +
> + IX86_BUILTIN__BDESC_MAX_FIRST = IX86_BUILTIN_MAX,
> +
> + /* Now just the aliases for bdesc_* start/end. */
> +#define BDESC(mask, icode, name, code, comparison, flag)
> +#define BDESC_FIRST(kind, kindu, mask, icode, name, code, comparison, flag)
> +#define BDESC_END(kind, next_kind) \
> + IX86_BUILTIN__BDESC_##kind##_LAST \
> + = IX86_BUILTIN__BDESC_##next_kind##_FIRST - 1,
> +
> +#include "i386-builtin.def"
> +
> +#undef BDESC
> +#undef BDESC_FIRST
> +#undef BDESC_END
>
> - IX86_BUILTIN_MAX
> + /* Just to make sure there is no comma after the last enumerator. */
> + IX86_BUILTIN__BDESC_MAX_LAST = IX86_BUILTIN__BDESC_MAX_FIRST
> };
>
> /* Table for the ix86 builtin decls. */
> @@ -33236,2475 +30862,6 @@ struct builtin_description
> const int flag;
> };
>
> -static const struct builtin_description bdesc_comi[] =
> -{
> - { OPTION_MASK_ISA_SSE, CODE_FOR_sse_comi, "__builtin_ia32_comieq",
> IX86_BUILTIN_COMIEQSS, UNEQ, 0 },
> ...
> -
> -/* FMA4 and XOP. */
> #define MULTI_ARG_4_DF2_DI_I V2DF_FTYPE_V2DF_V2DF_V2DI_INT
> #define MULTI_ARG_4_DF2_DI_I1 V4DF_FTYPE_V4DF_V4DF_V4DI_INT
> #define MULTI_ARG_4_SF2_SI_I V4SF_FTYPE_V4SF_V4SF_V4SI_INT
> @@ -35758,199 +30915,20 @@ static const struct builtin_description
> #define MULTI_ARG_1_QI_SI V4SI_FTYPE_V16QI
> #define MULTI_ARG_1_QI_HI V8HI_FTYPE_V16QI
>
> -static const struct builtin_description bdesc_multi_arg[] =
> -{
> ...
> - { OPTION_MASK_ISA_XOP, CODE_FOR_xop_vpermil2v8sf3,
> "__builtin_ia32_vpermil2ps256", IX86_BUILTIN_VPERMIL2PS256, UNKNOWN,
> (int)MULTI_ARG_4_SF2_SI_I1 },
> -
> +#define BDESC(mask, icode, name, code, comparison, flag) \
> + { mask, icode, name, code, comparison, flag },
> +#define BDESC_FIRST(kind, kindu, mask, icode, name, code, comparison, flag) \
> +static const struct builtin_description bdesc_##kind[] = \
> +{ \
> + BDESC (mask, icode, name, code, comparison, flag)
> +#define BDESC_END(kind, next_kind) \
> };
> +
> +#include "i386-builtin.def"
> +
> +#undef BDESC
> +#undef BDESC_FIRST
> +#undef BDESC_END
>
> /* TM vector builtins. */
>
> --- gcc/config/i386/i386-builtin.def.jj 2016-08-17 11:08:34.194237549 +0200
> +++ gcc/config/i386/i386-builtin.def 2016-08-17 12:32:21.374986264 +0200
> @@ -0,0 +1,2672 @@
> +/* Builtin functions for ia32.
> + Copyright (C) 1988-2016 Free Software Foundation, Inc.
> +
> + This file is part of GCC.
> +
> + GCC is free software; you can redistribute it and/or modify it
> + under the terms of the GNU General Public License as published
> + by the Free Software Foundation; either version 3, or (at your
> + option) any later version.
> +
> + GCC is distributed in the hope that it will be useful, but WITHOUT
> + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
> + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
> + License for more details.
> +
> + Under Section 7 of GPL version 3, you are granted additional
> + permissions described in the GCC Runtime Library Exception, version
> + 3.1, as published by the Free Software Foundation.
> +
> + You should have received a copy of the GNU General Public License and
> + a copy of the GCC Runtime Library Exception along with this program;
> + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> + <http://www.gnu.org/licenses/>. */
> +
> +/* Before including this file, some macros must be defined:
> + BDESC (mask, icode, name, code, comparison, flag)
> + -- definition of each builtin
> + BDESC_FIRST (kind, KIND, mask, icode, name, code, comparison, flag)
> + -- like BDESC, but used for the first builtin in each category;
> + bdesc_##kind will be used in the name of the array and
> + IX86_BUILTIN__BDESC_##KIND##_FIRST will be the low boundary
> + BDESC_END (KIND, NEXT_KIND)
> + -- marks the end of bdesc_##kind, defines
> + IX86_BUILTIN__BDESC_##KIND##_LAST to be
> + IX86_BUILTIN__BDESC_##NEXT_KIND##_FIRST - 1. */
> +
> +BDESC_FIRST (comi, COMI,
> + OPTION_MASK_ISA_SSE, CODE_FOR_sse_comi, "__builtin_ia32_comieq",
> IX86_BUILTIN_COMIEQSS, UNEQ, 0)
> +BDESC (OPTION_MASK_ISA_SSE, CODE_FOR_sse_comi, "__builtin_ia32_comilt",
> IX86_BUILTIN_COMILTSS, UNLT, 0)
> ...
> +BDESC (OPTION_MASK_ISA_SSE2, CODE_FOR_sse2_ucomi,
> "__builtin_ia32_ucomisdneq", IX86_BUILTIN_UCOMINEQSD, LTGT, 0)
> +
> +BDESC_END (COMI, PCMPESTR)
> +
> +/* SSE4.2 */
> +BDESC_FIRST (pcmpestr, PCMPESTR,
> + OPTION_MASK_ISA_SSE4_2, CODE_FOR_sse4_2_pcmpestr,
> "__builtin_ia32_pcmpestri128", IX86_BUILTIN_PCMPESTRI128, UNKNOWN, 0)
> ...
> +BDESC (OPTION_MASK_ISA_XOP, CODE_FOR_xop_vpermil2v8sf3,
> "__builtin_ia32_vpermil2ps256", IX86_BUILTIN_VPERMIL2PS256, UNKNOWN,
> (int)MULTI_ARG_4_SF2_SI_I1)
> +
> +BDESC_END (MULTI_ARG, MAX)
>
>
> Jakub
