On 01. 08. 20 13:02, Jojo R wrote: > gcc/ChangeLog: > > * genemit.c (main): Print 'split line'. > * Makefile.in (insn-emit.c): Define split count and file > > --- > gcc/Makefile.in | 11 +++++++ > gcc/genemit.c | 87 ++++++++++++++++++++++++++++--------------------- > 2 files changed, 60 insertions(+), 38 deletions(-) > > diff --git a/gcc/Makefile.in b/gcc/Makefile.in > index 2ba76656dbf..bc0b3e6d343 100644 > --- a/gcc/Makefile.in > +++ b/gcc/Makefile.in > @@ -1253,6 +1253,13 @@ 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. > + > +insn-generated-split-num = $(shell nproc) > + > +insn-emit-split-c = $(foreach o, $(shell for i in > {1..$(insn-generated-split-num)}; do echo $$i; done), insn-emit$(o).c)
I believe {1..10} is a bashism. Is it OK in this context to require Bash? > +insn-emit-split-obj = $(patsubst %.c,%.o, $(insn-emit-split-c)) > +$(insn-emit-split-c): insn-emit.c > + > OBJS = \ > gimple-match.o \ > generic-match.o \ > @@ -1260,6 +1267,7 @@ OBJS = \ > insn-automata.o \ > insn-dfatab.o \ > insn-emit.o \ > + $(insn-emit-split-obj) \ > insn-extract.o \ > insn-latencytab.o \ > insn-modes.o \ > @@ -2367,6 +2375,9 @@ $(simple_generated_c:insn-%.c=s-%): s-%: > build/gen%$(build_exeext) > $(RUN_GEN) build/gen$*$(build_exeext) $(md_file) \ > $(filter insn-conditions.md,$^) > tmp-$*.c > $(SHELL) $(srcdir)/../move-if-change tmp-$*.c insn-$*.c > + $*v=$$(echo $$(csplit insn-$*.c /parallel\ compilation/ -k -s > {$(insn-generated-split-num)} -f insn-$* -b "%d.c" 2>&1));\ > + [ ! "$$$*v" ] || grep "match not found" <<< $$$*v > + [ -s insn-$*0.c ] || (for i in {1..$(insn-generated-split-num)}; do > touch insn-$*$$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..3aaaeb62b0a 100644 > --- a/gcc/genemit.c > +++ b/gcc/genemit.c > @@ -847,6 +847,46 @@ handle_overloaded_gen (overloaded_name *oname) > } > } > > +#define printf_include() do { \ > + 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"); \ > + printf ("#include \"coretypes.h\"\n"); \ > + printf ("#include \"backend.h\"\n"); \ > + printf ("#include \"predict.h\"\n"); \ > + printf ("#include \"tree.h\"\n"); \ > + printf ("#include \"rtl.h\"\n"); \ > + printf ("#include \"alias.h\"\n"); \ > + printf ("#include \"varasm.h\"\n"); \ > + printf ("#include \"stor-layout.h\"\n"); \ > + printf ("#include \"calls.h\"\n"); \ > + printf ("#include \"memmodel.h\"\n"); \ > + printf ("#include \"tm_p.h\"\n"); \ > + printf ("#include \"flags.h\"\n"); \ > + printf ("#include \"insn-config.h\"\n"); \ > + printf ("#include \"expmed.h\"\n"); \ > + printf ("#include \"dojump.h\"\n"); \ > + printf ("#include \"explow.h\"\n"); \ > + printf ("#include \"emit-rtl.h\"\n"); \ > + printf ("#include \"stmt.h\"\n"); \ > + printf ("#include \"expr.h\"\n"); \ > + printf ("#include \"insn-codes.h\"\n"); \ > + printf ("#include \"optabs.h\"\n"); \ > + printf ("#include \"dfp.h\"\n"); \ > + printf ("#include \"output.h\"\n"); \ > + printf ("#include \"recog.h\"\n"); \ > + printf ("#include \"df.h\"\n"); \ > + printf ("#include \"resource.h\"\n"); \ > + printf ("#include \"reload.h\"\n"); \ > + printf ("#include \"diagnostic-core.h\"\n"); \ > + printf ("#include \"regs.h\"\n"); \ > + printf ("#include \"tm-constrs.h\"\n"); \ > + printf ("#include \"ggc.h\"\n"); \ > + printf ("#include \"target.h\"\n\n"); \ > +} while (0) > + > int > main (int argc, const char **argv) > { > @@ -862,49 +902,19 @@ main (int argc, const char **argv) > /* 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"); > - > - printf ("#define IN_TARGET_CODE 1\n"); > - printf ("#include \"config.h\"\n"); > - printf ("#include \"system.h\"\n"); > - printf ("#include \"coretypes.h\"\n"); > - printf ("#include \"backend.h\"\n"); > - printf ("#include \"predict.h\"\n"); > - printf ("#include \"tree.h\"\n"); > - printf ("#include \"rtl.h\"\n"); > - printf ("#include \"alias.h\"\n"); > - printf ("#include \"varasm.h\"\n"); > - printf ("#include \"stor-layout.h\"\n"); > - printf ("#include \"calls.h\"\n"); > - printf ("#include \"memmodel.h\"\n"); > - printf ("#include \"tm_p.h\"\n"); > - printf ("#include \"flags.h\"\n"); > - printf ("#include \"insn-config.h\"\n"); > - printf ("#include \"expmed.h\"\n"); > - printf ("#include \"dojump.h\"\n"); > - printf ("#include \"explow.h\"\n"); > - printf ("#include \"emit-rtl.h\"\n"); > - printf ("#include \"stmt.h\"\n"); > - printf ("#include \"expr.h\"\n"); > - printf ("#include \"insn-codes.h\"\n"); > - printf ("#include \"optabs.h\"\n"); > - printf ("#include \"dfp.h\"\n"); > - printf ("#include \"output.h\"\n"); > - printf ("#include \"recog.h\"\n"); > - printf ("#include \"df.h\"\n"); > - printf ("#include \"resource.h\"\n"); > - printf ("#include \"reload.h\"\n"); > - printf ("#include \"diagnostic-core.h\"\n"); > - printf ("#include \"regs.h\"\n"); > - printf ("#include \"tm-constrs.h\"\n"); > - printf ("#include \"ggc.h\"\n"); > - printf ("#include \"target.h\"\n\n"); > + long long read_count = 0; > > /* Read the machine description. */ > > md_rtx_info info; > while (read_md_rtx (&info)) > + { > + if (!(read_count++ % 10000)) > + { > + printf ("/* Split file into separate compilation units for parallel > compilation %lld */\n\n", read_count); > + printf_include(); > + } > + > switch (GET_CODE (info.def)) > { > case DEFINE_INSN: > @@ -929,6 +939,7 @@ from the machine description file `md'. */\n\n"); > default: > break; > } > + } > > /* Write out the routines to add CLOBBERs to a pattern and say whether they > clobber a hard reg. */ > -- VH
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