git://gcc.gnu.org / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 8d9254fc | 1 | # Copyright (C) 1998-2020 Free Software Foundation, Inc. |
| ad41bd84 JM |
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 | ||
| aaf8008c RE |
19 | # Build a very basic set of libraries that should cater for most cases. |
| 20 | ||
| 21 | # Single-precision floating-point is NOT supported; we don't build a | |
| 22 | # suitable library for that. Use the rm-profile config in that case. | |
| 23 | ||
| 24 | # PART 1 - Useful groups of options | |
| 25 | ||
| 26 | dp_fpus := vfp vfpv2 vfpv3 vfpv3-fp16 vfpv3-d16 vfpv3-d16-fp16 \ | |
| 27 | neon neon-vfpv3 neon-fp16 vfpv4 neon-vfpv4 vfpv4-d16 \ | |
| 28 | fpv5-d16 fp-armv8 neon-fp-armv8 crypto-neon-fp-armv8 \ | |
| 29 | vfp3 | |
| 30 | ||
| 31 | sp_fpus := vfpv3xd vfpv3xd-fp16 fpv4-sp-d16 fpv5-sp-d16 | |
| 32 | ||
| 33 | v7a_fps := vfpv3 vfpv3-fp16 vfpv4 simd neon-fp16 neon-vfpv4 | |
| 34 | v7ve_fps := vfpv3-d16 vfpv3 vfpv3-d16-fp16 vfpv3-fp16 vfpv4 neon \ | |
| 35 | neon-fp16 simd | |
| 36 | ||
| 37 | # Not all these permutations exist for all architecture variants, but | |
| 38 | # it seems to work ok. | |
| 06e95715 | 39 | v8_fps := simd fp16 crypto fp16+crypto dotprod fp16fml |
| aaf8008c RE |
40 | |
| 41 | # We don't do anything special with these. Pre-v4t probably doesn't work. | |
| 5511d3fa | 42 | all_early_nofp := armv4 armv4t armv5t |
| aaf8008c | 43 | |
| c3f808d3 | 44 | all_early_arch := armv5tej armv6 armv6j armv6k armv6z armv6kz \ |
| aaf8008c RE |
45 | armv6zk armv6t2 iwmmxt iwmmxt2 |
| 46 | ||
| 47 | all_v7_a_r := armv7-a armv7ve armv7-r | |
| 48 | ||
| ae78a89f SD |
49 | all_v8_archs := armv8-a armv8-a+crc armv8.1-a armv8.2-a armv8.3-a armv8.4-a \ |
| 50 | armv8.5-a | |
| aaf8008c RE |
51 | |
| 52 | # No floating point variants, require thumb1 softfp | |
| 53 | all_nofp_t := armv6-m armv6s-m armv8-m.base | |
| 54 | ||
| 55 | all_nofp_t2 := armv7-m | |
| 56 | ||
| 57 | all_sp_only := armv7e-m armv8-m.main | |
| 58 | ||
| 59 | MULTILIB_OPTIONS = | |
| 60 | MULTILIB_DIRNAMES = | |
| 2359a5e1 | 61 | MULTILIB_EXCEPTIONS = |
| 4202ce82 | 62 | MULTILIB_MATCHES = |
| aaf8008c RE |
63 | MULTILIB_REUSE = |
| 64 | ||
| 65 | # PART 2 - multilib build rules | |
| 66 | ||
| 67 | MULTILIB_OPTIONS += marm/mthumb | |
| 68 | MULTILIB_DIRNAMES += arm thumb | |
| 69 | ||
| 70 | MULTILIB_OPTIONS += mfpu=auto | |
| 71 | MULTILIB_DIRNAMES += autofp | |
| 72 | ||
| 73 | MULTILIB_OPTIONS += march=armv5te+fp/march=armv7+fp | |
| 74 | MULTILIB_DIRNAMES += v5te v7 | |
| 75 | ||
| 76 | MULTILIB_OPTIONS += mfloat-abi=hard | |
| 77 | MULTILIB_DIRNAMES += fpu | |
| 78 | ||
| 79 | # Build a total of 4 library variants (base options plus the following): | |
| 80 | MULTILIB_REQUIRED += mthumb | |
| 81 | MULTILIB_REQUIRED += marm/mfpu=auto/march=armv5te+fp/mfloat-abi=hard | |
| 82 | MULTILIB_REQUIRED += mthumb/mfpu=auto/march=armv7+fp/mfloat-abi=hard | |
| 83 | ||
| 84 | # PART 3 - Match rules | |
| 85 | ||
| 86 | # Map all supported FPUs onto mfpu=auto | |
| 87 | MULTILIB_MATCHES += $(foreach FPU, $(dp_fpus), \ | |
| 88 | mfpu?auto=mfpu?$(FPU)) | |
| 89 | ||
| 90 | MULTILIB_MATCHES += march?armv5te+fp=march?armv5te | |
| 91 | ||
| 92 | MULTILIB_MATCHES += $(foreach ARCH, $(all_early_arch), \ | |
| 93 | march?armv5te+fp=march?$(ARCH) \ | |
| 94 | march?armv5te+fp=march?$(ARCH)+fp) | |
| 95 | ||
| 96 | MULTILIB_MATCHES += march?armv7+fp=march?armv7 | |
| 97 | ||
| 98 | MULTILIB_MATCHES += $(foreach FPARCH, $(v7a_fps), \ | |
| 99 | march?armv7+fp=march?armv7-a+$(FPARCH)) | |
| 100 | ||
| 101 | MULTILIB_MATCHES += $(foreach FPARCH, $(v7ve_fps), \ | |
| 102 | march?armv7+fp=march?armv7ve+$(FPARCH)) | |
| 103 | ||
| 104 | MULTILIB_MATCHES += $(foreach ARCH, $(all_v7_a_r), \ | |
| 105 | march?armv7+fp=march?$(ARCH) \ | |
| 106 | march?armv7+fp=march?$(ARCH)+fp) | |
| 107 | ||
| 108 | MULTILIB_MATCHES += $(foreach ARCH, $(all_v8_archs), \ | |
| 109 | march?armv7+fp=march?$(ARCH) \ | |
| 110 | $(foreach FPARCH, $(v8_fps), \ | |
| 111 | march?armv7+fp=march?$(ARCH)+$(FPARCH))) | |
| 112 | ||
| 113 | MULTILIB_MATCHES += $(foreach ARCH, armv7e-m armv8-m.mainline, \ | |
| 114 | march?armv7+fp=march?$(ARCH)+fp.dp) | |
| 115 | ||
| 116 | # PART 4 - Reuse rules | |
| 9b6b54e2 | 117 | |
| aaf8008c RE |
118 | MULTILIB_REUSE += mthumb=mthumb/mfpu.auto |
| 119 | MULTILIB_REUSE += mthumb=mthumb/mfpu.auto/march.armv5te+fp | |
| 120 | MULTILIB_REUSE += mthumb=mthumb/march.armv5te+fp | |
| 121 | MULTILIB_REUSE += marm/mfpu.auto/march.armv5te+fp/mfloat-abi.hard=marm/march.armv5te+fp/mfloat-abi.hard | |
| 122 | MULTILIB_REUSE += marm/mfpu.auto/march.armv5te+fp/mfloat-abi.hard=march.armv5te+fp/mfloat-abi.hard | |
| 123 | MULTILIB_REUSE += marm/mfpu.auto/march.armv5te+fp/mfloat-abi.hard=mfpu.auto/march.armv5te+fp/mfloat-abi.hard | |
| 124 | MULTILIB_REUSE += mthumb/mfpu.auto/march.armv7+fp/mfloat-abi.hard=mthumb/march.armv7+fp/mfloat-abi.hard | |
| 125 | MULTILIB_REUSE += mthumb/mfpu.auto/march.armv7+fp/mfloat-abi.hard=mfpu.auto/march.armv7+fp/mfloat-abi.hard | |
| 126 | MULTILIB_REUSE += mthumb/mfpu.auto/march.armv7+fp/mfloat-abi.hard=march.armv7+fp/mfloat-abi.hard |