Hi,
Has this patch been merged ?
Jojo
在 2020年9月15日 +0800 PM5:16，Jojo R <jiejie_r...@c-sky.com>，写道：
> gcc/ChangeLog:
>
> * genemit.c (main): Print 'split line'.
> * Makefile.in (insn-emit.c): Define split count and file
>
> ---
> gcc/Makefile.in | 19 +++++++++
> gcc/genemit.c | 104 +++++++++++++++++++++++++++++-------------------
> 2 files changed, 83 insertions(+), 40 deletions(-)
>
> diff --git a/gcc/Makefile.in b/gcc/Makefile.in
> index 79e854aa938..a7fcc7d5949 100644
> --- a/gcc/Makefile.in
> +++ b/gcc/Makefile.in
> @@ -1258,6 +1258,21 @@ ANALYZER_OBJS = \
> # We put the *-match.o and insn-*.o files first so that a parallel make
> # will build them sooner, because they are large and otherwise tend to be
> # the last objects to finish building.
> +
> +# target overrides
> +-include $(tmake_file)
> +
> +INSN-GENERATED-SPLIT-NUM ?= 0
> +
> +insn-generated-split-num = $(shell i=1; j=`expr $(INSN-GENERATED-SPLIT-NUM)
> + 1`; \
> + while test $$i -le $$j; do \
> + echo $$i; i=`expr $$i + 1`; \
> + done)
> +
> +insn-emit-split-c := $(foreach o, $(shell for i in
> $(insn-generated-split-num); do echo $$i; done), insn-emit$(o).c)
> +insn-emit-split-obj = $(patsubst %.c,%.o, $(insn-emit-split-c))
> +$(insn-emit-split-c): insn-emit.c
> +
> OBJS = \
> gimple-match.o \
> generic-match.o \
> @@ -1265,6 +1280,7 @@ OBJS = \
> insn-automata.o \
> insn-dfatab.o \
> insn-emit.o \
> + $(insn-emit-split-obj) \
> insn-extract.o \
> insn-latencytab.o \
> insn-modes.o \
> @@ -2365,6 +2381,9 @@ $(simple_generated_c:insn-%.c=s-%): s-%:
> build/gen%$(build_exeext)
> $(RUN_GEN) build/gen$*$(build_exeext) $(md_file) \
> $(filter insn-conditions.md,$^) > tmp-$*.c
> $(SHELL) $(srcdir)/../move-if-change tmp-$*.c insn-$*.c
> + $*v=$$(echo $$(csplit insn-$*.c /parallel\ compilation/ -k -s
> {$(INSN-GENERATED-SPLIT-NUM)} -f insn-$* -b "%d.c" 2>&1));\
> + [ ! "$$$*v" ] || grep "match not found" <<< $$$*v
> + [ -s insn-$*0.c ] || (for i in $(insn-generated-split-num); do touch
> insn-$*$$i.c; done && echo "" > insn-$*.c)
> $(STAMP) s-$*
>
> # gencheck doesn't read the machine description, and the file produced
> diff --git a/gcc/genemit.c b/gcc/genemit.c
> index 84d07d388ee..54a0d909d9d 100644
> --- a/gcc/genemit.c
> +++ b/gcc/genemit.c
> @@ -847,24 +847,13 @@ handle_overloaded_gen (overloaded_name *oname)
> }
> }
>
> -int
> -main (int argc, const char **argv)
> -{
> - progname = "genemit";
> -
> - if (!init_rtx_reader_args (argc, argv))
> - return (FATAL_EXIT_CODE);
> -
> -#define DEF_INTERNAL_OPTAB_FN(NAME, FLAGS, OPTAB, TYPE) \
> - nofail_optabs[OPTAB##_optab] = true;
> -#include "internal-fn.def"
> -
> - /* Assign sequential codes to all entries in the machine description
> - in parallel with the tables in insn-output.c. */
> -
> - printf ("/* Generated automatically by the program `genemit'\n\
> -from the machine description file `md'. */\n\n");
> +/* Print include header. */
>
> +static void
> +printf_include (void)
> +{
> + printf ("/* Generated automatically by the program `genemit'\n"
> + "from the machine description file `md'. */\n\n");
> printf ("#define IN_TARGET_CODE 1\n");
> printf ("#include \"config.h\"\n");
> printf ("#include \"system.h\"\n");
> @@ -900,35 +889,70 @@ from the machine description file `md'. */\n\n");
> printf ("#include \"tm-constrs.h\"\n");
> printf ("#include \"ggc.h\"\n");
> printf ("#include \"target.h\"\n\n");
> +}
>
> - /* Read the machine description. */
> +/* Generate the `gen_...' function from GET_CODE(). */
>
> - md_rtx_info info;
> - while (read_md_rtx (&info))
> - switch (GET_CODE (info.def))
> - {
> - case DEFINE_INSN:
> - gen_insn (&info);
> - break;
> +static void
> +gen_md_rtx (md_rtx_info *info)
> +{
> + switch (GET_CODE (info->def))
> + {
> + case DEFINE_INSN:
> + gen_insn (info);
> + break;
>
> - case DEFINE_EXPAND:
> - printf ("/* %s:%d */\n", info.loc.filename, info.loc.lineno);
> - gen_expand (&info);
> - break;
> + case DEFINE_EXPAND:
> + printf ("/* %s:%d */\n", info->loc.filename, info->loc.lineno);
> + gen_expand (info);
> + break;
>
> - case DEFINE_SPLIT:
> - printf ("/* %s:%d */\n", info.loc.filename, info.loc.lineno);
> - gen_split (&info);
> - break;
> + case DEFINE_SPLIT:
> + printf ("/* %s:%d */\n", info->loc.filename, info->loc.lineno);
> + gen_split (info);
> + break;
>
> - case DEFINE_PEEPHOLE2:
> - printf ("/* %s:%d */\n", info.loc.filename, info.loc.lineno);
> - gen_split (&info);
> - break;
> + case DEFINE_PEEPHOLE2:
> + printf ("/* %s:%d */\n", info->loc.filename, info->loc.lineno);
> + gen_split (info);
> + break;
>
> - default:
> - break;
> - }
> + default:
> + break;
> + }
> +}
> +
> +int
> +main (int argc, const char **argv)
> +{
> + progname = "genemit";
> +
> + if (!init_rtx_reader_args (argc, argv))
> + return (FATAL_EXIT_CODE);
> +
> +#define DEF_INTERNAL_OPTAB_FN(NAME, FLAGS, OPTAB, TYPE) \
> + nofail_optabs[OPTAB##_optab] = true;
> +#include "internal-fn.def"
> +
> + /* Assign sequential codes to all entries in the machine description
> + in parallel with the tables in insn-output.c. */
> +
> + int read_count = 0;
> +
> + /* Read the machine description. */
> +
> + md_rtx_info info;
> + while (read_md_rtx (&info))
> + {
> + if ((read_count++ % 10000) == 0)
> + {
> + printf ("/* Split file into separate compilation units "
> + "for parallel compilation %d */\n\n", read_count);
> + printf_include();
> + }
> +
> + gen_md_rtx (&info);
> + }
>
> /* Write out the routines to add CLOBBERs to a pattern and say whether they
> clobber a hard reg. */
> --
> 2.24.3 (Apple Git-128)
