Re: [PATCH] Build *-match.o as early as possible

[Richard Biener <richard.guenther@gmail.com>]

On August 3, 2015 5:03:05 PM GMT+02:00, Segher Boessenkool <segher@kernel.crashing.org> wrote:
>The two files *-match.o files always finish building last, so if we
>start building them as soon as possible (instead of pretty late) the
>total build time will be less on a parallel build.
>
>Bootstrapped and tested on powerpc64-linux.  Is this okay for trunk?

OK.

Richard.

>
>Segher
>
>
>2014-080-3  Segher Boessenkool  <segher@kernel.crashing.org>
>
>	* Makefile.in (OBJS): Put gimple-match.o and generic-match.o first.
>
>---
> gcc/Makefile.in | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
>diff --git a/gcc/Makefile.in b/gcc/Makefile.in
>index be259e8..683c42a 100644
>--- a/gcc/Makefile.in
>+++ b/gcc/Makefile.in
>@@ -1162,10 +1162,12 @@ C_COMMON_OBJS = c-family/c-common.o
>c-family/c-cppbuiltin.o c-family/c-dump.o \
>   c-family/array-notation-common.o c-family/cilk.o c-family/c-ubsan.o
> 
> # Language-independent object files.
>-# We put the 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.
>+# 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.
> OBJS = \
>+	gimple-match.o \
>+	generic-match.o \
> 	insn-attrtab.o \
> 	insn-automata.o \
> 	insn-dfatab.o \
>@@ -1260,8 +1262,6 @@ OBJS = \
> 	gimple-fold.o \
> 	gimple-laddress.o \
> 	gimple-low.o \
>-	gimple-match.o \
>-	generic-match.o \
> 	gimple-pretty-print.o \
> 	gimple-ssa-isolate-paths.o \
> 	gimple-ssa-strength-reduction.o \