Hi,
The files cp/cfns.gperf and java/keyword.gperf are - as distributed -
processed by gperf-2.7.2 or with particular options. The use of gperf-3.0.1
(released in 2003) can create smaller and faster hash tables, with less
command line options:
* cp/cfns.gperf: If you drop the options "-k '1-6,$' -j1 -D" and add
instead "-m 10",
- the hash function accesses 4 bytes of the input string (instead of 7),
- the hash table size drops to 317 (instead of 391).
* java/keyword.gperf: If you drop the options "-j1 -i 1 -g -o -k'1,4,$'" and
add instead "-m 10",
- the hash function accesses 2 bytes of the input string (instead of 3),
- the hash table size drops to 53 (instead of 79).
Find attached a patch that does this.
cp/ChangeLog:
2005-06-05 Bruno Haible <[EMAIL PROTECTED]>
* Make-lang.in ($(srcdir)/cp/cfns.h): Use gperf option -m 10.
Bail out if gperf is too old.
java/ChangeLog:
2005-06-05 Bruno Haible <[EMAIL PROTECTED]>
* Make-lang.in ($(srcdir)/java/keyword.h): Use gperf option -m 10.
*** gcc-4.0.0/gcc/cp/Make-lang.in.bak Tue Jan 18 12:45:31 2005
--- gcc-4.0.0/gcc/cp/Make-lang.in Sun Jun 5 17:26:28 2005
***************
*** 97,104 ****
# Special build rules.
$(srcdir)/cp/cfns.h: $(srcdir)/cp/cfns.gperf
! gperf -o -C -E -k '1-6,$$' -j1 -D -N 'libc_name_p' -L ANSI-C \
! $(srcdir)/cp/cfns.gperf > $(srcdir)/cp/cfns.h
gtype-cp.h gt-cp-call.h gt-cp-decl.h gt-cp-decl2.h : s-gtype; @true
gt-cp-pt.h gt-cp-repo.h gt-cp-parser.h gt-cp-method.h : s-gtype; @true
--- 97,108 ----
# Special build rules.
$(srcdir)/cp/cfns.h: $(srcdir)/cp/cfns.gperf
! gperf -o -C -E -N 'libc_name_p' -L ANSI-C -m 10 \
! $(srcdir)/cp/cfns.gperf > c$$$$.h || { \
! echo "Please update gperf from ftp://ftp.gnu.org/pub/gnu/gperf/"; >&2; \
! rm -f c$$$$.h; \
! exit 1; } ; \
! mv -f c$$$$.h $(srcdir)/cp/cfns.h
gtype-cp.h gt-cp-call.h gt-cp-decl.h gt-cp-decl2.h : s-gtype; @true
gt-cp-pt.h gt-cp-repo.h gt-cp-parser.h gt-cp-method.h : s-gtype; @true
*** gcc-4.0.0/gcc/java/Make-lang.in.bak Sat Mar 12 03:16:28 2005
--- gcc-4.0.0/gcc/java/Make-lang.in Sun Jun 5 17:24:01 2005
***************
*** 87,93 ****
$(srcdir)/java/keyword.h: $(srcdir)/java/keyword.gperf
(cd $(srcdir)/java || exit 1; \
! gperf -L ANSI-C -C -F ', 0' -p -t -j1 -i 1 -g -o -N java_keyword
-k1,4,$$ \
keyword.gperf > k$$$$.h || { \
echo "Please update gperf from ftp://ftp.gnu.org/pub/gnu/gperf/"; >&2; \
rm -f k$$$$.h; \
--- 87,93 ----
$(srcdir)/java/keyword.h: $(srcdir)/java/keyword.gperf
(cd $(srcdir)/java || exit 1; \
! gperf -L ANSI-C -C -F ', 0' -p -t -N java_keyword -m 10 \
keyword.gperf > k$$$$.h || { \
echo "Please update gperf from ftp://ftp.gnu.org/pub/gnu/gperf/"; >&2; \
rm -f k$$$$.h; \
