1# Copyright (C) 2012-2015 Free Software Foundation, Inc.
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 A-profile architecture.  It should
22# not be used in conjunction with another make file fragment and
23# assumes --with-arch, --with-cpu, --with-fpu, --with-float, --with-mode
24# have their default values during the configure step.  We enforce
25# this during the top-level configury.
26
27MULTILIB_OPTIONS     =
28MULTILIB_DIRNAMES    =
29MULTILIB_EXCEPTIONS  =
30MULTILIB_MATCHES     =
31MULTILIB_REUSE	     =
32
33# We have the following hierachy:
34#   ISA: A32 (.) or T32 (thumb)
35#   Architecture: ARMv7-A (v7-a), ARMv7VE (v7ve), or ARMv8-A (v8-a).
36#   FPU: VFPv3-D16 (fpv3), NEONv1 (simdv1), VFPv4-D16 (fpv4),
37#        NEON-VFPV4 (simdvfpv4), NEON for ARMv8 (simdv8), or None (.).
38#   Float-abi: Soft (.), softfp (softfp), or hard (hardfp).
39
40MULTILIB_OPTIONS       += mthumb
41MULTILIB_DIRNAMES      += thumb
42
43MULTILIB_OPTIONS       += march=armv7-a/march=armv7ve/march=armv8-a
44MULTILIB_DIRNAMES      += v7-a v7ve v8-a
45
46MULTILIB_OPTIONS       += mfpu=vfpv3-d16/mfpu=neon/mfpu=vfpv4-d16/mfpu=neon-vfpv4/mfpu=neon-fp-armv8
47MULTILIB_DIRNAMES      += fpv3 simdv1 fpv4 simdvfpv4 simdv8
48
49MULTILIB_OPTIONS       += mfloat-abi=softfp/mfloat-abi=hard
50MULTILIB_DIRNAMES      += softfp hard
51
52# We don't build no-float libraries with an FPU.
53MULTILIB_EXCEPTIONS    += *mfpu=vfpv3-d16
54MULTILIB_EXCEPTIONS    += *mfpu=neon
55MULTILIB_EXCEPTIONS    += *mfpu=vfpv4-d16
56MULTILIB_EXCEPTIONS    += *mfpu=neon-vfpv4
57MULTILIB_EXCEPTIONS    += *mfpu=neon-fp-armv8
58
59# We don't build libraries requiring an FPU at the CPU/Arch/ISA level.
60MULTILIB_EXCEPTIONS    += mfloat-abi=*
61MULTILIB_EXCEPTIONS    += mfpu=*
62MULTILIB_EXCEPTIONS    += mthumb/mfloat-abi=*
63MULTILIB_EXCEPTIONS    += mthumb/mfpu=*
64MULTILIB_EXCEPTIONS    += *march=armv7-a/mfloat-abi=*
65MULTILIB_EXCEPTIONS    += *march=armv7ve/mfloat-abi=*
66MULTILIB_EXCEPTIONS    += *march=armv8-a/mfloat-abi=*
67
68# Ensure the correct FPU variants apply to the correct base architectures.
69MULTILIB_EXCEPTIONS    += *march=armv7ve/*mfpu=vfpv3-d16*
70MULTILIB_EXCEPTIONS    += *march=armv7ve/*mfpu=neon/*
71MULTILIB_EXCEPTIONS    += *march=armv8-a/*mfpu=vfpv3-d16*
72MULTILIB_EXCEPTIONS    += *march=armv8-a/*mfpu=neon/*
73MULTILIB_EXCEPTIONS    += *march=armv7-a/*mfpu=vfpv4-d16*
74MULTILIB_EXCEPTIONS    += *march=armv7-a/*mfpu=neon-vfpv4*
75MULTILIB_EXCEPTIONS    += *march=armv8-a/*mfpu=vfpv4-d16*
76MULTILIB_EXCEPTIONS    += *march=armv8-a/*mfpu=neon-vfpv4*
77MULTILIB_EXCEPTIONS    += *march=armv7-a/*mfpu=neon-fp-armv8*
78MULTILIB_EXCEPTIONS    += *march=armv7ve/*mfpu=neon-fp-armv8*
79
80# CPU Matches
81MULTILIB_MATCHES       += march?armv7-a=mcpu?cortex-a8
82MULTILIB_MATCHES       += march?armv7-a=mcpu?cortex-a9
83MULTILIB_MATCHES       += march?armv7-a=mcpu?cortex-a5
84MULTILIB_MATCHES       += march?armv7ve=mcpu?cortex-a15
85MULTILIB_MATCHES       += march?armv7ve=mcpu?cortex-a12
86MULTILIB_MATCHES       += march?armv7ve=mcpu?cortex-a17
87MULTILIB_MATCHES       += march?armv7ve=mcpu?cortex-a15.cortex-a7
88MULTILIB_MATCHES       += march?armv7ve=mcpu?cortex-a17.cortex-a7
89MULTILIB_MATCHES       += march?armv8-a=mcpu?cortex-a53
90MULTILIB_MATCHES       += march?armv8-a=mcpu?cortex-a57
91MULTILIB_MATCHES       += march?armv8-a=mcpu?cortex-a57.cortex-a53
92MULTILIB_MATCHES       += march?armv8-a=mcpu?cortex-a72
93MULTILIB_MATCHES       += march?armv8-a=mcpu?cortex-a72.cortex-a53
94
95# Arch Matches
96MULTILIB_MATCHES       += march?armv8-a=march?armv8-a+crc
97
98# FPU matches
99MULTILIB_MATCHES       += mfpu?vfpv3-d16=mfpu?vfpv3
100MULTILIB_MATCHES       += mfpu?vfpv3-d16=mfpu?vfpv3-fp16
101MULTILIB_MATCHES       += mfpu?vfpv3-d16=mfpu?vfpv3-fp16-d16
102MULTILIB_MATCHES       += mfpu?vfpv4-d16=mfpu?vfpv4
103MULTILIB_MATCHES       += mfpu?neon-fp-armv8=mfpu?crypto-neon-fp-armv8
104
105
106# Map all requests for vfpv3 with a later CPU to vfpv3-d16 v7-a.
107# So if new CPUs are added above at the newer architecture levels,
108# do something to map them below here.
109# We take the approach of mapping down to v7-a regardless of what
110# the fp option is if the integer architecture brings things down.
111# This applies to any similar combination at the v7ve and v8-a arch
112# levels.
113
114MULTILIB_REUSE	      += march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.hard=march.armv7ve/mfpu.vfpv3-d16/mfloat-abi.hard
115MULTILIB_REUSE	      += march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.softfp=march.armv7ve/mfpu.vfpv3-d16/mfloat-abi.softfp
116MULTILIB_REUSE	      += march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.hard=march.armv8-a/mfpu.vfpv3-d16/mfloat-abi.hard
117MULTILIB_REUSE	      += march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.softfp=march.armv8-a/mfpu.vfpv3-d16/mfloat-abi.softfp
118MULTILIB_REUSE	      += march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.hard=march.armv7-a/mfpu.vfpv4-d16/mfloat-abi.hard
119MULTILIB_REUSE	      += march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.softfp=march.armv7-a/mfpu.vfpv4-d16/mfloat-abi.softfp
120MULTILIB_REUSE	      += march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.hard=march.armv7-a/mfpu.fp-armv8/mfloat-abi.hard
121MULTILIB_REUSE	      += march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.softfp=march.armv7-a/mfpu.fp-armv8/mfloat-abi.softfp
122MULTILIB_REUSE	      += march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.hard=march.armv7-a/mfpu.vfpv4/mfloat-abi.hard
123MULTILIB_REUSE	      += march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.softfp=march.armv7-a/mfpu.vfpv4/mfloat-abi.softfp
124
125
126MULTILIB_REUSE	      += march.armv7-a/mfpu.neon/mfloat-abi.hard=march.armv7ve/mfpu.neon/mfloat-abi.hard
127MULTILIB_REUSE	      += march.armv7-a/mfpu.neon/mfloat-abi.softfp=march.armv7ve/mfpu.neon/mfloat-abi.softfp
128MULTILIB_REUSE	      += march.armv7-a/mfpu.neon/mfloat-abi.hard=march.armv8-a/mfpu.neon/mfloat-abi.hard
129MULTILIB_REUSE	      += march.armv7-a/mfpu.neon/mfloat-abi.softfp=march.armv8-a/mfpu.neon/mfloat-abi.softfp
130MULTILIB_REUSE	      += march.armv7-a/mfpu.neon/mfloat-abi.hard=march.armv7-a/mfpu.neon-vfpv4/mfloat-abi.hard
131MULTILIB_REUSE	      += march.armv7-a/mfpu.neon/mfloat-abi.softfp=march.armv7-a/mfpu.neon-vfpv4/mfloat-abi.softfp
132MULTILIB_REUSE	      += march.armv7-a/mfpu.neon/mfloat-abi.hard=march.armv7-a/mfpu.neon-fp-armv8/mfloat-abi.hard
133MULTILIB_REUSE	      += march.armv7-a/mfpu.neon/mfloat-abi.softfp=march.armv7-a/mfpu.neon-fp-armv8/mfloat-abi.softfp
134
135
136MULTILIB_REUSE	      += march.armv7ve/mfpu.vfpv4-d16/mfloat-abi.hard=march.armv7ve/mfpu.fp-armv8/mfloat-abi.hard
137MULTILIB_REUSE	      += march.armv7ve/mfpu.vfpv4-d16/mfloat-abi.softfp=march.armv7ve/mfpu.fp-armv8/mfloat-abi.softfp
138MULTILIB_REUSE	      += march.armv7ve/mfpu.vfpv4-d16/mfloat-abi.hard=march.armv8-a/mfpu.vfpv4/mfloat-abi.hard
139MULTILIB_REUSE	      += march.armv7ve/mfpu.vfpv4-d16/mfloat-abi.softfp=march.armv8-a/mfpu.vfpv4/mfloat-abi.softfp
140MULTILIB_REUSE	      += march.armv7ve/mfpu.vfpv4-d16/mfloat-abi.hard=march.armv8-a/mfpu.vfpv4-d16/mfloat-abi.hard
141MULTILIB_REUSE	      += march.armv7ve/mfpu.vfpv4-d16/mfloat-abi.softfp=march.armv8-a/mfpu.vfpv4-d16/mfloat-abi.softfp
142
143
144MULTILIB_REUSE	      += march.armv7ve/mfpu.neon-vfpv4/mfloat-abi.hard=march.armv8-a/mfpu.neon-vfpv4/mfloat-abi.hard
145MULTILIB_REUSE	      += march.armv7ve/mfpu.neon-vfpv4/mfloat-abi.softfp=march.armv8-a/mfpu.neon-vfpv4/mfloat-abi.softfp
146MULTILIB_REUSE	      += march.armv7ve/mfpu.neon-vfpv4/mfloat-abi.hard=march.armv7ve/mfpu.neon-fp-armv8/mfloat-abi.hard
147MULTILIB_REUSE	      += march.armv7ve/mfpu.neon-vfpv4/mfloat-abi.softfp=march.armv7ve/mfpu.neon-fp-armv8/mfloat-abi.softfp
148
149
150
151# And again for mthumb.
152
153MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.hard=mthumb/march.armv7ve/mfpu.vfpv3-d16/mfloat-abi.hard
154MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.softfp=mthumb/march.armv7ve/mfpu.vfpv3-d16/mfloat-abi.softfp
155MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.hard=mthumb/march.armv8-a/mfpu.vfpv3-d16/mfloat-abi.hard
156MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.softfp=mthumb/march.armv8-a/mfpu.vfpv3-d16/mfloat-abi.softfp
157MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.hard=mthumb/march.armv7-a/mfpu.vfpv4-d16/mfloat-abi.hard
158MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.softfp=mthumb/march.armv7-a/mfpu.vfpv4-d16/mfloat-abi.softfp
159MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.hard=mthumb/march.armv7-a/mfpu.fp-armv8/mfloat-abi.hard
160MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.softfp=mthumb/march.armv7-a/mfpu.fp-armv8/mfloat-abi.softfp
161MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.hard=mthumb/march.armv7-a/mfpu.vfpv4/mfloat-abi.hard
162MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.vfpv3-d16/mfloat-abi.softfp=mthumb/march.armv7-a/mfpu.vfpv4/mfloat-abi.softfp
163
164
165MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.neon/mfloat-abi.hard=mthumb/march.armv7ve/mfpu.neon/mfloat-abi.hard
166MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.neon/mfloat-abi.softfp=mthumb/march.armv7ve/mfpu.neon/mfloat-abi.softfp
167MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.neon/mfloat-abi.hard=mthumb/march.armv8-a/mfpu.neon/mfloat-abi.hard
168MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.neon/mfloat-abi.softfp=mthumb/march.armv8-a/mfpu.neon/mfloat-abi.softfp
169MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.neon/mfloat-abi.hard=mthumb/march.armv7-a/mfpu.neon-vfpv4/mfloat-abi.hard
170MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.neon/mfloat-abi.softfp=mthumb/march.armv7-a/mfpu.neon-vfpv4/mfloat-abi.softfp
171MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.neon/mfloat-abi.hard=mthumb/march.armv7-a/mfpu.neon-fp-armv8/mfloat-abi.hard
172MULTILIB_REUSE	      += mthumb/march.armv7-a/mfpu.neon/mfloat-abi.softfp=mthumb/march.armv7-a/mfpu.neon-fp-armv8/mfloat-abi.softfp
173
174
175MULTILIB_REUSE	      += mthumb/march.armv7ve/mfpu.vfpv4-d16/mfloat-abi.hard=mthumb/march.armv7ve/mfpu.fp-armv8/mfloat-abi.hard
176MULTILIB_REUSE	      += mthumb/march.armv7ve/mfpu.vfpv4-d16/mfloat-abi.softfp=mthumb/march.armv7ve/mfpu.fp-armv8/mfloat-abi.softfp
177MULTILIB_REUSE	      += mthumb/march.armv7ve/mfpu.vfpv4-d16/mfloat-abi.hard=mthumb/march.armv8-a/mfpu.vfpv4/mfloat-abi.hard
178MULTILIB_REUSE	      += mthumb/march.armv7ve/mfpu.vfpv4-d16/mfloat-abi.softfp=mthumb/march.armv8-a/mfpu.vfpv4/mfloat-abi.softfp
179MULTILIB_REUSE	      += mthumb/march.armv7ve/mfpu.vfpv4-d16/mfloat-abi.hard=mthumb/march.armv8-a/mfpu.vfpv4-d16/mfloat-abi.hard
180MULTILIB_REUSE	      += mthumb/march.armv7ve/mfpu.vfpv4-d16/mfloat-abi.softfp=mthumb/march.armv8-a/mfpu.vfpv4-d16/mfloat-abi.softfp
181
182
183MULTILIB_REUSE	      += mthumb/march.armv7ve/mfpu.neon-vfpv4/mfloat-abi.hard=mthumb/march.armv8-a/mfpu.neon-vfpv4/mfloat-abi.hard
184MULTILIB_REUSE	      += mthumb/march.armv7ve/mfpu.neon-vfpv4/mfloat-abi.softfp=mthumb/march.armv8-a/mfpu.neon-vfpv4/mfloat-abi.softfp
185MULTILIB_REUSE	      += mthumb/march.armv7ve/mfpu.neon-vfpv4/mfloat-abi.hard=mthumb/march.armv7ve/mfpu.neon-fp-armv8/mfloat-abi.hard
186MULTILIB_REUSE	      += mthumb/march.armv7ve/mfpu.neon-vfpv4/mfloat-abi.softfp=mthumb/march.armv7ve/mfpu.neon-fp-armv8/mfloat-abi.softfp
187