|
131
|
1 # Copyright (C) 2016-2018 Free Software Foundation, Inc.
|
|
111
|
2 #
|
|
|
3 # This file is part of GCC.
|
|
|
4 #
|
|
|
5 # GCC is free software; you can redistribute it and/or modify
|
|
|
6 # it under the terms of the GNU General Public License as published by
|
|
|
7 # the Free Software Foundation; either version 3, or (at your option)
|
|
|
8 # any later version.
|
|
|
9 #
|
|
|
10 # GCC is distributed in the hope that it will be useful,
|
|
|
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
13 # GNU General Public License for more details.
|
|
|
14 #
|
|
|
15 # You should have received a copy of the GNU General Public License
|
|
|
16 # along with GCC; see the file COPYING3. If not see
|
|
|
17 # <http://www.gnu.org/licenses/>.
|
|
|
18
|
|
|
19 # This is a target makefile fragment that attempts to get
|
|
|
20 # multilibs built for the range of CPU's, FPU's and ABI's that
|
|
|
21 # are relevant for the ARM architecture. It should not be used in
|
|
|
22 # conjunction with another make file fragment and assumes --with-arch,
|
|
|
23 # --with-cpu, --with-fpu, --with-float, --with-mode have their default
|
|
|
24 # values during the configure step. We enforce this during the
|
|
|
25 # top-level configury.
|
|
|
26
|
|
|
27
|
|
|
28 # Arch and FPU variants to build libraries with
|
|
|
29
|
|
|
30 MULTI_ARCH_OPTS_RM = march=armv6s-m/march=armv7-m/march=armv7e-m/march=armv7e-m+fp/march=armv7e-m+fp.dp/march=armv8-m.base/march=armv8-m.main/march=armv8-m.main+fp/march=armv8-m.main+fp.dp
|
|
|
31 MULTI_ARCH_DIRS_RM = v6-m v7-m v7e-m v7e-m+fp v7e-m+dp v8-m.base v8-m.main v8-m.main+fp v8-m.main+dp
|
|
|
32
|
|
|
33 # Base M-profile (no fp)
|
|
|
34 MULTILIB_REQUIRED += mthumb/march=armv6s-m/mfloat-abi=soft
|
|
|
35 MULTILIB_REQUIRED += mthumb/march=armv7-m/mfloat-abi=soft
|
|
|
36 MULTILIB_REQUIRED += mthumb/march=armv7e-m/mfloat-abi=soft
|
|
|
37 MULTILIB_REQUIRED += mthumb/march=armv8-m.base/mfloat-abi=soft
|
|
|
38 MULTILIB_REQUIRED += mthumb/march=armv8-m.main/mfloat-abi=soft
|
|
|
39
|
|
|
40 # ARMv7e-M with FP (single and double precision variants)
|
|
|
41 MULTILIB_REQUIRED += mthumb/march=armv7e-m+fp/mfloat-abi=hard
|
|
|
42 MULTILIB_REQUIRED += mthumb/march=armv7e-m+fp/mfloat-abi=softfp
|
|
|
43 MULTILIB_REQUIRED += mthumb/march=armv7e-m+fp.dp/mfloat-abi=hard
|
|
|
44 MULTILIB_REQUIRED += mthumb/march=armv7e-m+fp.dp/mfloat-abi=softfp
|
|
|
45
|
|
|
46 # ARMv8-M with FP (single and double precision variants)
|
|
|
47 MULTILIB_REQUIRED += mthumb/march=armv8-m.main+fp/mfloat-abi=hard
|
|
|
48 MULTILIB_REQUIRED += mthumb/march=armv8-m.main+fp/mfloat-abi=softfp
|
|
|
49 MULTILIB_REQUIRED += mthumb/march=armv8-m.main+fp.dp/mfloat-abi=hard
|
|
|
50 MULTILIB_REQUIRED += mthumb/march=armv8-m.main+fp.dp/mfloat-abi=softfp
|
|
|
51
|
|
|
52
|
|
|
53
|
|
|
54 # Arch Matches
|
|
|
55 MULTILIB_MATCHES += march?armv6s-m=march?armv6-m
|
|
|
56
|
|
|
57 # Map all v8-m.main+dsp FP variants down the the variant without DSP.
|
|
|
58 MULTILIB_MATCHES += march?armv8-m.main=march?armv8-m.main+dsp \
|
|
|
59 $(foreach FP, +fp +fp.dp, \
|
|
|
60 march?armv8-m.main$(FP)=march?armv8-m.main+dsp$(FP))
|
|
|
61
|
|
|
62 # For single-precision only fpv5, use the base fp libraries
|
|
|
63 MULTILIB_MATCHES += march?armv7e-m+fp=march?armv7e-m+fpv5
|
|
|
64
|
|
|
65 # Softfp but no FP. Use the soft-float libraries.
|
|
|
66 MULTILIB_REUSE += $(foreach ARCH, armv6s-m armv7-m armv7e-m armv8-m\.base armv8-m\.main, \
|
|
|
67 mthumb/march.$(ARCH)/mfloat-abi.soft=mthumb/march.$(ARCH)/mfloat-abi.softfp)
|
|
|
68
|
