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cherrypick from ludovic courtes
2006-10-31 Paolo Bonzini <bonzini@gnu.org> Ludovic Courtes <ludo@chbouib.org> * tests/divi.c, tests/divi.ok, tests/movi.c, tests/movi.ok: New. * tests/ldxi.c: Ensure large pointer is generated. * tests/Makefile.am: Point to new tests. * lightning.h: Include funcs-common.h before funcs.h. * lightning/sparc/core.h: Fix bugs in modi/divi. Patches applied: * lcourtes@laas.fr--2005-libre/lightning--stable--1.2--patch-11 Fixed a typo in `lightning/sparc/core.h'. * lcourtes@laas.fr--2005-libre/lightning--stable--1.2--patch-12 SPARC: Fixed `jit_immsize' (untested!). * lcourtes@laas.fr--2005-libre/lightning--stable--1.2--patch-13 Added a `divi' test case (does not catch the bug fixed by the previous patch). * lcourtes@laas.fr--2005-libre/lightning--stable--1.2--patch-14 `divi' test case: Return non-zero on failure. * lcourtes@laas.fr--2005-libre/lightning--stable--1.2--patch-15 `ldxi.c' (test case): Make sure we use a large pointer operand. * lcourtes@laas.fr--2005-libre/lightning--stable--1.2--patch-16 Added a `movi' test case (for `jit_movi_p' with large operands). git-archimport-id: bonzini@gnu.org--2004b/lightning--stable--1.2--patch-31
This commit is contained in:
Paolo Bonzini
parent
1f7feaffe2
commit
147efb8d90
14 changed files with 221 additions and 35 deletions
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@ -1,3 +1,12 @@
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2006-10-31 Paolo Bonzini <bonzini@gnu.org>
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Ludovic Courtes <ludo@chbouib.org>
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* tests/divi.c, tests/divi.ok, tests/movi.c, tests/movi.ok: New.
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* tests/ldxi.c: Ensure large pointer is generated.
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* tests/Makefile.am: Point to new tests.
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* lightning.h: Include funcs-common.h before funcs.h.
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* lightning/sparc/core.h: Fix bugs in modi/divi.
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2006-10-30 Paolo Bonzini <bonzini@gnu.org>
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* lightning/Makefile.am: Use "ln -sf".
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@ -43,7 +43,7 @@ DIST_COMMON = README $(am__configure_deps) $(dist_aclocal_DATA) \
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$(include_HEADERS) $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
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$(srcdir)/config.h.in $(srcdir)/lightningize.in \
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$(top_srcdir)/configure AUTHORS COPYING COPYING.DOC \
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COPYING.LESSER ChangeLog INSTALL NEWS THANKS TODO \
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COPYING.LESSER ChangeLog INSTALL NEWS THANKS \
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build-aux/config.guess build-aux/config.sub build-aux/depcomp \
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build-aux/install-sh build-aux/mdate-sh build-aux/missing \
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build-aux/texinfo.tex
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7
THANKS
7
THANKS
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@ -1,8 +1,9 @@
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Thanks to all the following people for their help in
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improving GNU lightning:
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Tom Tromey <tromey@redhat.com>
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Laurent Michel <ldm@thorgal.homelinux.org>
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Eli Barzilay <eli@barzilay.org>
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Jens Troeger <savage@light-speed.de>
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Ludovic Courtes <ludo@chbouib.org>
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Laurent Michel <ldm@thorgal.homelinux.org>
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Basile Starynkevitch <basile@starynkevitch.net>
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Jens Troeger <savage@light-speed.de>
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Tom Tromey <tromey@redhat.com>
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@ -1,4 +1,4 @@
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@set UPDATED 21 June 2005
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@set UPDATED-MONTH June 2005
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@set UPDATED 25 October 2006
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@set UPDATED-MONTH October 2006
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@set EDITION 1.2b
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@set VERSION 1.2b
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@ -46,8 +46,8 @@ extern "C" {
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#include <lightning/core.h>
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#include <lightning/core-common.h>
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#include <lightning/funcs.h>
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#include <lightning/funcs-common.h>
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#include <lightning/funcs.h>
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#include <lightning/fp.h>
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#include <lightning/fp-common.h>
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@ -46,9 +46,4 @@ jit_fail(const char *msg, const char *file, int line, const char *function)
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}
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#ifndef jit_start_pfx
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#define jit_start_pfx() ( (jit_insn*)0x4)
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#define jit_end_pfx() ( (jit_insn*)0x0)
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#endif
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#endif /* __lightning_funcs_common_h */
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@ -1,13 +1,13 @@
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/******************************** -*- C -*- ****************************
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*
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* Platform-independent layer (Sparc version)
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* Platform-independent layer (SPARC version)
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*
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***********************************************************************/
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/***********************************************************************
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*
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* Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
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* Copyright 2000, 2001, 2002, 2006 Free Software Foundation, Inc.
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* Written by Paolo Bonzini.
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*
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* This file is part of GNU lightning.
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@ -98,17 +98,17 @@ struct jit_local_state {
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jit_mul (JIT_BIG, JIT_BIG, s2), \
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jit_subr_i (d, s1, JIT_BIG))
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#define jit_modi(jit_divi, jit_muli, jit_divr, jit_mulr, d, rs, is) \
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(_siP(13,(imm)) \
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? (jit_divi (JIT_BIG, rs, is), \
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jit_muli (JIT_BIG, JIT_BIG, is), \
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jit_subr_i (d, rs, JIT_BIG)) \
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: (SETir ((is), JIT_BIG2), \
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#define jit_modi(jit_divi, jit_muli, jit_divr, jit_mulr, d, rs, is) \
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(_siP(13,(is)) \
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? (jit_divi (JIT_BIG, rs, is), \
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jit_muli (JIT_BIG, JIT_BIG, is), \
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jit_subr_i (d, rs, JIT_BIG)) \
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: (SETir ((is), JIT_BIG2), \
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jit_modr (jit_divr, jit_mulr, d, rs, JIT_BIG2)))
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/* How many instruction are needed to put imm in a register. */
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#define jit_immsize(imm) (!(imm) ? 0 : \
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(!_siP((imm), 13) && ((imm) & 0x3ff) ? 2 : 1))
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(!_siP(13,(imm)) && ((imm) & 0x3ff) ? 2 : 1))
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/* branch instructions return the address of the *delay* instruction -- this
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@ -1,7 +1,7 @@
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AM_CPPFLAGS = -I$(top_builddir) -I$(top_srcdir) -I$(top_srcdir)/lightning/$(cpu)
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check_PROGRAMS = fibit incr printf printf2 rpn fib fibdelay add bp testfp funcfp rpnfp modi ldxi
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noinst_DATA = fibit.ok incr.ok printf.ok printf2.ok rpn.ok fib.ok fibdelay.ok testfp.ok funcfp.ok rpnfp.ok add.ok bp.ok modi.ok ldxi.ok
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check_PROGRAMS = fibit incr printf printf2 rpn fib fibdelay add bp testfp funcfp rpnfp modi ldxi divi movi
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noinst_DATA = fibit.ok incr.ok printf.ok printf2.ok rpn.ok fib.ok fibdelay.ok testfp.ok funcfp.ok rpnfp.ok add.ok bp.ok modi.ok ldxi.ok divi.ok movi.ok
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EXTRA_DIST = $(noinst_DATA) run-test
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if DISASS
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@ -9,6 +9,6 @@ LDADD = $(top_builddir)/opcode/libdisass.a
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endif
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if REGRESSION_TESTING
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TESTS = fib fibit fibdelay incr printf printf2 rpn add bp testfp funcfp rpnfp modi ldxi
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TESTS = fib fibit fibdelay incr printf printf2 rpn add bp testfp funcfp rpnfp modi ldxi divi movi
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TESTS_ENVIRONMENT=$(srcdir)/run-test
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endif
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@ -40,7 +40,8 @@ target_triplet = @target@
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check_PROGRAMS = fibit$(EXEEXT) incr$(EXEEXT) printf$(EXEEXT) \
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printf2$(EXEEXT) rpn$(EXEEXT) fib$(EXEEXT) fibdelay$(EXEEXT) \
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add$(EXEEXT) bp$(EXEEXT) testfp$(EXEEXT) funcfp$(EXEEXT) \
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rpnfp$(EXEEXT) modi$(EXEEXT) ldxi$(EXEEXT)
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rpnfp$(EXEEXT) modi$(EXEEXT) ldxi$(EXEEXT) divi$(EXEEXT) \
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movi$(EXEEXT)
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subdir = tests
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DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
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ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
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@ -59,6 +60,10 @@ bp_SOURCES = bp.c
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bp_OBJECTS = bp.$(OBJEXT)
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bp_LDADD = $(LDADD)
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@DISASS_TRUE@bp_DEPENDENCIES = $(top_builddir)/opcode/libdisass.a
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divi_SOURCES = divi.c
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divi_OBJECTS = divi.$(OBJEXT)
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divi_LDADD = $(LDADD)
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@DISASS_TRUE@divi_DEPENDENCIES = $(top_builddir)/opcode/libdisass.a
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fib_SOURCES = fib.c
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fib_OBJECTS = fib.$(OBJEXT)
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fib_LDADD = $(LDADD)
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@ -88,6 +93,10 @@ modi_SOURCES = modi.c
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modi_OBJECTS = modi.$(OBJEXT)
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modi_LDADD = $(LDADD)
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@DISASS_TRUE@modi_DEPENDENCIES = $(top_builddir)/opcode/libdisass.a
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movi_SOURCES = movi.c
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movi_OBJECTS = movi.$(OBJEXT)
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movi_LDADD = $(LDADD)
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@DISASS_TRUE@movi_DEPENDENCIES = $(top_builddir)/opcode/libdisass.a
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printf_SOURCES = printf.c
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printf_OBJECTS = printf.$(OBJEXT)
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printf_LDADD = $(LDADD)
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@ -116,10 +125,11 @@ COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
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$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
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CCLD = $(CC)
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LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
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SOURCES = add.c bp.c fib.c fibdelay.c fibit.c funcfp.c incr.c ldxi.c \
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modi.c printf.c printf2.c rpn.c rpnfp.c testfp.c
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DIST_SOURCES = add.c bp.c fib.c fibdelay.c fibit.c funcfp.c incr.c \
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ldxi.c modi.c printf.c printf2.c rpn.c rpnfp.c testfp.c
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SOURCES = add.c bp.c divi.c fib.c fibdelay.c fibit.c funcfp.c incr.c \
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ldxi.c modi.c movi.c printf.c printf2.c rpn.c rpnfp.c testfp.c
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DIST_SOURCES = add.c bp.c divi.c fib.c fibdelay.c fibit.c funcfp.c \
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incr.c ldxi.c modi.c movi.c printf.c printf2.c rpn.c rpnfp.c \
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testfp.c
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DATA = $(noinst_DATA)
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ETAGS = etags
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CTAGS = ctags
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@ -225,10 +235,10 @@ target_cpu = @target_cpu@
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target_os = @target_os@
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target_vendor = @target_vendor@
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AM_CPPFLAGS = -I$(top_builddir) -I$(top_srcdir) -I$(top_srcdir)/lightning/$(cpu)
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noinst_DATA = fibit.ok incr.ok printf.ok printf2.ok rpn.ok fib.ok fibdelay.ok testfp.ok funcfp.ok rpnfp.ok add.ok bp.ok modi.ok ldxi.ok
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noinst_DATA = fibit.ok incr.ok printf.ok printf2.ok rpn.ok fib.ok fibdelay.ok testfp.ok funcfp.ok rpnfp.ok add.ok bp.ok modi.ok ldxi.ok divi.ok movi.ok
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EXTRA_DIST = $(noinst_DATA) run-test
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@DISASS_TRUE@LDADD = $(top_builddir)/opcode/libdisass.a
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@REGRESSION_TESTING_TRUE@TESTS = fib fibit fibdelay incr printf printf2 rpn add bp testfp funcfp rpnfp modi ldxi
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@REGRESSION_TESTING_TRUE@TESTS = fib fibit fibdelay incr printf printf2 rpn add bp testfp funcfp rpnfp modi ldxi divi movi
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@REGRESSION_TESTING_TRUE@TESTS_ENVIRONMENT = $(srcdir)/run-test
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all: all-am
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@ -272,6 +282,9 @@ add$(EXEEXT): $(add_OBJECTS) $(add_DEPENDENCIES)
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bp$(EXEEXT): $(bp_OBJECTS) $(bp_DEPENDENCIES)
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@rm -f bp$(EXEEXT)
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$(LINK) $(bp_LDFLAGS) $(bp_OBJECTS) $(bp_LDADD) $(LIBS)
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divi$(EXEEXT): $(divi_OBJECTS) $(divi_DEPENDENCIES)
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@rm -f divi$(EXEEXT)
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$(LINK) $(divi_LDFLAGS) $(divi_OBJECTS) $(divi_LDADD) $(LIBS)
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fib$(EXEEXT): $(fib_OBJECTS) $(fib_DEPENDENCIES)
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@rm -f fib$(EXEEXT)
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$(LINK) $(fib_LDFLAGS) $(fib_OBJECTS) $(fib_LDADD) $(LIBS)
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@ -293,6 +306,9 @@ ldxi$(EXEEXT): $(ldxi_OBJECTS) $(ldxi_DEPENDENCIES)
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modi$(EXEEXT): $(modi_OBJECTS) $(modi_DEPENDENCIES)
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@rm -f modi$(EXEEXT)
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$(LINK) $(modi_LDFLAGS) $(modi_OBJECTS) $(modi_LDADD) $(LIBS)
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movi$(EXEEXT): $(movi_OBJECTS) $(movi_DEPENDENCIES)
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@rm -f movi$(EXEEXT)
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$(LINK) $(movi_LDFLAGS) $(movi_OBJECTS) $(movi_LDADD) $(LIBS)
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printf$(EXEEXT): $(printf_OBJECTS) $(printf_DEPENDENCIES)
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@rm -f printf$(EXEEXT)
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$(LINK) $(printf_LDFLAGS) $(printf_OBJECTS) $(printf_LDADD) $(LIBS)
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@ -317,6 +333,7 @@ distclean-compile:
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/add.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bp.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/divi.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fib.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fibdelay.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fibit.Po@am__quote@
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@ -324,6 +341,7 @@ distclean-compile:
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/incr.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ldxi.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/modi.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/movi.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/printf.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/printf2.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rpn.Po@am__quote@
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84
tests/divi.c
Normal file
84
tests/divi.c
Normal file
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@ -0,0 +1,84 @@
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/******************************** -*- C -*- ****************************
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*
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* Test jit_divi_i
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*
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***********************************************************************/
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/* Contributed by Ludovic Courtès. */
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <string.h>
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#include "lightning.h"
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typedef int (* divider_t) (int);
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static divider_t
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generate_divider (int operand, unsigned int *size)
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{
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static char buffer[1024];
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divider_t result;
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int arg;
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result = (divider_t)(jit_set_ip (buffer).iptr);
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jit_leaf (1);
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arg = jit_arg_i ();
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jit_getarg_i (JIT_R1, arg);
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jit_divi_i (JIT_R2, JIT_R1, operand);
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jit_movr_i (JIT_RET, JIT_R2);
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jit_ret ();
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jit_flush_code (buffer, jit_get_ip ().ptr);
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*size = (char *)jit_get_ip ().ptr - buffer;
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return result;
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}
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static int
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test_divider (int divisor, const int *operands, unsigned operand_count)
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{
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int failed = 0;
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unsigned int op, size;
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divider_t div = generate_divider (divisor, &size);
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for (op = 0; op < operand_count; op++)
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{
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int result, expected;
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result = div (operands[op]);
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expected = operands[op] / divisor;
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printf ("%i/%i = %i (expected %i)\n", operands[op], divisor,
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result, expected);
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if (result != expected)
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failed = 1;
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}
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return (!failed);
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}
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int
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main (int argc, char *argv[])
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{
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static const int small_ops[] = { 40, 64, 80 };
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static const int large_ops[] = { 98304, 65536, 163840 };
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/* Test a small immediate operand. */
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if (!test_divider (8, small_ops, sizeof (small_ops) / sizeof (int)))
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return 1;
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/* Test a large immediate operand (requires more instructions on RISC
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processors). */
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if (!test_divider (32768, large_ops, sizeof (large_ops) / sizeof (int)))
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return 1;
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return 0;
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}
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6
tests/divi.ok
Normal file
6
tests/divi.ok
Normal file
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@ -0,0 +1,6 @@
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40/8 = 5 (expected 5)
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64/8 = 8 (expected 8)
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80/8 = 10 (expected 10)
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98304/32768 = 3 (expected 3)
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65536/32768 = 2 (expected 2)
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163840/32768 = 5 (expected 5)
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17
tests/ldxi.c
17
tests/ldxi.c
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@ -20,7 +20,7 @@ typedef char (* loader_t) (int);
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/* Check `ldxi' with a big operand (OPERAND is assumed to be ``big'', e.g.,
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more than one octet-long on PowerPC). */
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static loader_t
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generate_ldxi_big_operand (void *operand)
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generate_ldxi_big_operand (const void *operand)
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{
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static char buffer[1024];
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loader_t result;
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@ -47,14 +47,23 @@ int
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main (int argc, char *argv[])
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{
|
||||
static const char the_array[] = "GNU Lightning";
|
||||
char the_on_stack_array[] = "GNU Lightning";
|
||||
unsigned i;
|
||||
loader_t array_loader = generate_ldxi_big_operand ((void *)the_array);
|
||||
loader_t array_loader;
|
||||
const char *large_pointer;
|
||||
|
||||
if (the_array > the_on_stack_array)
|
||||
large_pointer = the_array;
|
||||
else
|
||||
large_pointer = the_on_stack_array;
|
||||
|
||||
array_loader = generate_ldxi_big_operand (large_pointer);
|
||||
|
||||
for (i = 0; i < sizeof (the_array) - 1; i++)
|
||||
{
|
||||
printf ("array[%i] = %c, array_loader (%i) = %c\n",
|
||||
i, the_array[i], i, array_loader (i));
|
||||
if (the_array[i] != array_loader (i))
|
||||
i, large_pointer[i], i, array_loader (i));
|
||||
if (large_pointer[i] != array_loader (i))
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
|
|
|||
63
tests/movi.c
Normal file
63
tests/movi.c
Normal file
|
|
@ -0,0 +1,63 @@
|
|||
/******************************** -*- C -*- ****************************
|
||||
*
|
||||
* Test jit_movi_p
|
||||
*
|
||||
***********************************************************************/
|
||||
|
||||
|
||||
/* Contributed by Ludovic Courtès. */
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
# include "config.h"
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include "lightning.h"
|
||||
|
||||
typedef void * (* mover_t) (void);
|
||||
|
||||
static mover_t
|
||||
generate_movi (const void *operand)
|
||||
{
|
||||
static char buffer[1024];
|
||||
mover_t result;
|
||||
|
||||
/* printf ("si?=%i ui?=%i\n", _siP (16, operand), _uiP (16, operand)); */
|
||||
|
||||
result = (mover_t)(jit_set_ip (buffer).iptr);
|
||||
jit_leaf (1);
|
||||
|
||||
jit_movi_p (JIT_R0, operand);
|
||||
jit_movr_p (JIT_RET, JIT_R0);
|
||||
|
||||
jit_ret ();
|
||||
jit_flush_code (buffer, jit_get_ip ().ptr);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
main (int argc, char *argv[])
|
||||
{
|
||||
static const char the_array[] = "GNU Lightning";
|
||||
mover_t get_array;
|
||||
const void *large_pointer;
|
||||
|
||||
if (the_array > (char *)&get_array)
|
||||
large_pointer = the_array;
|
||||
else
|
||||
large_pointer = &get_array;
|
||||
|
||||
/* On RISC machines, moving a large immediate may require several
|
||||
instructions (e.g., `sethi' followed by `ori' on SPARC). */
|
||||
get_array = generate_movi (large_pointer);
|
||||
|
||||
if (get_array () == large_pointer)
|
||||
printf ("`jit_movi_p' succeeded\n");
|
||||
else
|
||||
printf ("`jit_movi_p' failed\n");
|
||||
|
||||
return (get_array () != large_pointer);
|
||||
}
|
||||
1
tests/movi.ok
Normal file
1
tests/movi.ok
Normal file
|
|
@ -0,0 +1 @@
|
|||
`jit_movi_p' succeeded
|
||||
Loading…
Add table
Add a link
Reference in a new issue