fixed-obj.mk: New file to support fine-grain fixed-point functions.
* fixed-obj.mk: New file to support fine-grain fixed-point functions. * Makefile.in (fixed_point): Define. Check if fixed_point is yes to build support functions. * configure.ac: Check for fixed_point support. * configure: Regenerated. * gen-fixed.sh: New file to generate lists of fixed-point labels, funcs, modes, from, to. Co-Authored-By: Nigel Stephens <nigel@mips.com> From-SVN: r128557
This commit is contained in:
Chao-ying Fu
Chao-ying Fu
parent
154e4a0a8d
commit
8d2a9e0ee2
6 changed files with 244 additions and 1 deletions
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@ -1,3 +1,14 @@
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2007-09-17 Chao-ying Fu <fu@mips.com>
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Nigel Stephens <nigel@mips.com>
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* fixed-obj.mk: New file to support fine-grain fixed-point functions.
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* Makefile.in (fixed_point): Define.
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Check if fixed_point is yes to build support functions.
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* configure.ac: Check for fixed_point support.
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* configure: Regenerated.
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* gen-fixed.sh: New file to generate lists of fixed-point labels,
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funcs, modes, from, to.
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2007-09-11 Janis Johnson <janis187@us.ibm.com
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* Makefile.in (dfp-filenames): Add bid128_noncomp.
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@ -38,6 +38,7 @@ SHELL = @SHELL@
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enable_shared = @enable_shared@
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decimal_float = @decimal_float@
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enable_decimal_float = @enable_decimal_float@
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fixed_point = @fixed_point@
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host_noncanonical = @host_noncanonical@
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@ -575,6 +576,48 @@ endif
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endif
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# Build fixed-point support.
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ifeq ($(fixed_point),yes)
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# Generate permutations of function name and mode
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fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
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fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
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fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
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# Generate the rules for each arithmetic function
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iter-items := $(fixed-funcs)
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iter-labels := $(fixed-labels)
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iter-from := $(fixed-modes)
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iter-to := $(fixed-modes)
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include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
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# Add arithmetic functions to list of objects to be built
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libgcc-objects += $(patsubst %,%$(objext),$(fixed-funcs))
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ifeq ($(enable_shared),yes)
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libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-funcs))
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endif
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# Convert from or to fractional
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fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
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fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
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fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
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fixed-conv-to := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
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# Generate the make rules for each conversion function
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iter-items := $(fixed-conv-funcs)
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iter-labels := $(fixed-conv-labels)
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iter-from := $(fixed-conv-from)
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iter-to := $(fixed-conv-to)
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include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
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# Add conversion functions to list of objects to be built
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libgcc-objects += $(patsubst %,%$(objext),$(fixed-conv-funcs))
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ifeq ($(enable_shared),yes)
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libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-conv-funcs))
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endif
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endif
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# Build LIB2ADD and LIB2ADD_ST.
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ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
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$(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
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48
libgcc/configure
vendored
48
libgcc/configure
vendored
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@ -272,7 +272,7 @@ PACKAGE_STRING='GNU C Runtime Library 1.0'
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PACKAGE_BUGREPORT=''
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ac_unique_file="static-object.mk"
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ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS libgcc_topdir enable_shared slibdir INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA AWK build build_cpu build_vendor build_os host host_cpu host_vendor host_os host_noncanonical build_libsubdir build_subdir host_subdir target_subdir AR ac_ct_AR LIPO ac_ct_LIPO NM ac_ct_NM RANLIB ac_ct_RANLIB STRIP ac_ct_STRIP LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP decimal_float enable_decimal_float vis_hide set_have_cc_tls tmake_file extra_parts asm_hidden_op LIBOBJS LTLIBOBJS'
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ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS libgcc_topdir enable_shared slibdir INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA AWK build build_cpu build_vendor build_os host host_cpu host_vendor host_os host_noncanonical build_libsubdir build_subdir host_subdir target_subdir AR ac_ct_AR LIPO ac_ct_LIPO NM ac_ct_NM RANLIB ac_ct_RANLIB STRIP ac_ct_STRIP LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP decimal_float enable_decimal_float fixed_point vis_hide set_have_cc_tls tmake_file extra_parts asm_hidden_op LIBOBJS LTLIBOBJS'
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ac_subst_files=''
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# Initialize some variables set by options.
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@ -3330,6 +3330,51 @@ if test x$enable_decimal_float = xyes; then
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fi
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# Check for fixed-point support.
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echo "$as_me:$LINENO: checking whether fixed-point is supported" >&5
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echo $ECHO_N "checking whether fixed-point is supported... $ECHO_C" >&6
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if test "${libgcc_cv_fixed_point+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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cat >conftest.$ac_ext <<_ACEOF
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_Sat _Fract x;
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_ACEOF
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rm -f conftest.$ac_objext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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(eval $ac_compile) 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } &&
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{ ac_try='test -z "$ac_c_werror_flag"
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|| test ! -s conftest.err'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; } &&
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{ ac_try='test -s conftest.$ac_objext'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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libgcc_cv_fixed_point=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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libgcc_cv_fixed_point=no
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fi
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rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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echo "$as_me:$LINENO: result: $libgcc_cv_fixed_point" >&5
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echo "${ECHO_T}$libgcc_cv_fixed_point" >&6
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fixed_point=$libgcc_cv_fixed_point
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# Collect host-machine-specific information.
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. ${srcdir}/config.host
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@ -4152,6 +4197,7 @@ s,@OBJEXT@,$OBJEXT,;t t
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s,@CPP@,$CPP,;t t
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s,@decimal_float@,$decimal_float,;t t
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s,@enable_decimal_float@,$enable_decimal_float,;t t
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s,@fixed_point@,$fixed_point,;t t
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s,@vis_hide@,$vis_hide,;t t
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s,@set_have_cc_tls@,$set_have_cc_tls,;t t
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s,@tmake_file@,$tmake_file,;t t
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@ -145,6 +145,13 @@ if test x$enable_decimal_float = xyes; then
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fi
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AC_SUBST(enable_decimal_float)
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# Check for fixed-point support.
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AC_CACHE_CHECK([whether fixed-point is supported], [libgcc_cv_fixed_point],
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[AC_COMPILE_IFELSE([_Sat _Fract x;], [libgcc_cv_fixed_point=yes],
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[libgcc_cv_fixed_point=no])])
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fixed_point=$libgcc_cv_fixed_point
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AC_SUBST(fixed_point)
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# Collect host-machine-specific information.
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. ${srcdir}/config.host
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31
libgcc/fixed-obj.mk
Normal file
31
libgcc/fixed-obj.mk
Normal file
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@ -0,0 +1,31 @@
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# This file is included several times in a row, once for each element of
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# $(iter-items). On each inclusion, we advance $o to the next element.
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# $(iter-labels) and $(iter-from) and $(iter-to) are also advanced.
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o := $(firstword $(iter-items))
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iter-items := $(filter-out $o,$(iter-items))
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$o-label := $(firstword $(iter-labels))
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iter-labels := $(wordlist 2,$(words $(iter-labels)),$(iter-labels))
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$o-from := $(firstword $(iter-from))
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iter-from := $(wordlist 2,$(words $(iter-from)),$(iter-from))
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$o-to := $(firstword $(iter-to))
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iter-to := $(wordlist 2,$(words $(iter-to)),$(iter-to))
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ifeq ($($o-from),$($o-to))
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$o-opt := -D$($o-from)_MODE
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else
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$o-opt := -DFROM_$($o-from) -DTO_$($o-to)
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endif
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#$(info $o$(objext): -DL$($o-label) $($o-opt))
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$o$(objext): %$(objext): $(gcc_srcdir)/config/fixed-bit.c
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$(gcc_compile) -DL$($*-label) $($*-opt) -c $(gcc_srcdir)/config/fixed-bit.c $(vis_hide)
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ifeq ($(enable_shared),yes)
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$(o)_s$(objext): %_s$(objext): $(gcc_srcdir)/config/fixed-bit.c
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$(gcc_s_compile) -DL$($*-label) $($*-opt) -c $(gcc_srcdir)/config/fixed-bit.c
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endif
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105
libgcc/gen-fixed.sh
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105
libgcc/gen-fixed.sh
Normal file
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@ -0,0 +1,105 @@
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#!/bin/sh
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# Worker script for libgcc/Makefile.in
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# Generate lists of fixed-point labels, funcs, modes, from, to.
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# Usage:
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# gen-fixed.sh arith labels
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# gen-fixed.sh arith funcs
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# gen-fixed.sh arith modes
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# gen-fixed.sh conv labels
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# gen-fixed.sh conv funcs
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# gen-fixed.sh conv from
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# gen-fixed.sh conv to
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fixed_sfract_modes="QQ HQ SQ DQ TQ HA SA DA TA"
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fixed_ufract_modes="UQQ UHQ USQ UDQ UTQ UHA USA UDA UTA"
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fixed_fract_modes="$fixed_sfract_modes $fixed_ufract_modes"
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fixed_signed_modes="QI HI SI DI TI SF DF"
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fixed_unsigned_modes="UQI UHI USI UDI UTI"
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fixed_func_names="_add _sub _neg _mul _mulhelper _divhelper _ashl _ashlhelper _cmp _saturate1 _saturate2"
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fixed_sfunc_names="_ssadd _sssub _ssneg _ssmul _ssdiv _div _ssashl _ashr"
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fixed_ufunc_names="_usadd _ussub _usneg _usmul _usdiv _udiv _usashl _lshr"
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# emit the function information
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# $1 = output type selector
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# $2 = base function name
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# $3 = from mode
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# $4 = to mode
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emit ()
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{
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if [ "$3" != "$4" ]; then
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case "$1" in
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labels)
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echo $2 ;;
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from | modes)
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echo $3 ;;
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to)
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echo $4 ;;
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funcs)
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echo $2$3$4 ;;
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esac
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fi
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}
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case "$1" in
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arith)
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for n in $fixed_func_names; do
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for m in $fixed_fract_modes; do
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emit $2 $n $m
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done
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done
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for n in $fixed_sfunc_names; do
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for m in $fixed_sfract_modes; do
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emit $2 $n $m
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done
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done
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for n in $fixed_ufunc_names; do
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for m in $fixed_ufract_modes; do
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emit $2 $n $m
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done
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done
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;;
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conv)
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for f in $fixed_fract_modes; do
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for t in $fixed_fract_modes $fixed_signed_modes; do
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emit $2 _fract $f $t
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done
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done
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for f in $fixed_signed_modes; do
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for t in $fixed_fract_modes; do
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emit $2 _fract $f $t
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done
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done
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for f in $fixed_fract_modes $fixed_signed_modes; do
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for t in $fixed_fract_modes; do
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emit $2 _satfract $f $t
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done
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done
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for f in $fixed_fract_modes; do
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for t in $fixed_unsigned_modes; do
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emit $2 _fractuns $f $t
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done
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done
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for f in $fixed_unsigned_modes; do
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for t in $fixed_fract_modes; do
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emit $2 _fractuns $f $t
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done
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done
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for f in $fixed_unsigned_modes; do
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for t in $fixed_fract_modes; do
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emit $2 _satfractuns $f $t
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done
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done
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;;
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esac
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