gcc/libgcc/fixed-obj.mk
Chao-ying Fu 8d2a9e0ee2 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
2007-09-17 22:18:13 +00:00

32 lines
1.0 KiB
Makefile

# This file is included several times in a row, once for each element of
# $(iter-items). On each inclusion, we advance $o to the next element.
# $(iter-labels) and $(iter-from) and $(iter-to) are also advanced.
o := $(firstword $(iter-items))
iter-items := $(filter-out $o,$(iter-items))
$o-label := $(firstword $(iter-labels))
iter-labels := $(wordlist 2,$(words $(iter-labels)),$(iter-labels))
$o-from := $(firstword $(iter-from))
iter-from := $(wordlist 2,$(words $(iter-from)),$(iter-from))
$o-to := $(firstword $(iter-to))
iter-to := $(wordlist 2,$(words $(iter-to)),$(iter-to))
ifeq ($($o-from),$($o-to))
$o-opt := -D$($o-from)_MODE
else
$o-opt := -DFROM_$($o-from) -DTO_$($o-to)
endif
#$(info $o$(objext): -DL$($o-label) $($o-opt))
$o$(objext): %$(objext): $(gcc_srcdir)/config/fixed-bit.c
$(gcc_compile) -DL$($*-label) $($*-opt) -c $(gcc_srcdir)/config/fixed-bit.c $(vis_hide)
ifeq ($(enable_shared),yes)
$(o)_s$(objext): %_s$(objext): $(gcc_srcdir)/config/fixed-bit.c
$(gcc_s_compile) -DL$($*-label) $($*-opt) -c $(gcc_srcdir)/config/fixed-bit.c
endif