diff options
Diffstat (limited to 'gcc/common/config/riscv/riscv-common.cc')
| -rw-r--r-- | gcc/common/config/riscv/riscv-common.cc | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gcc/common/config/riscv/riscv-common.cc b/gcc/common/config/riscv/riscv-common.cc index efa2a45..adfd220 100644 --- a/gcc/common/config/riscv/riscv-common.cc +++ b/gcc/common/config/riscv/riscv-common.cc @@ -1404,6 +1404,47 @@ fail: return NULL; } +/* Get the profile that best matches the current architecture string, + where best is defined as the most expansive profile. */ + +const char * +riscv_subset_list::get_profile_name () const +{ + const char *best_profile = NULL; + int max_ext_count = -1; + + for (int i = 0; riscv_profiles_table[i].profile_name != nullptr; ++i) + { + riscv_subset_list *subset_list = riscv_subset_list::parse ( + riscv_profiles_table[i].profile_string, NULL); + if (!subset_list) + continue; + if (subset_list->xlen () == this->xlen ()) + { + int ext_count = 0; + bool all_found = true; + for (riscv_subset_t *p = subset_list->m_head; p != NULL; + p = p->next, ++ext_count) + { + if (!this->lookup (p->name.c_str (), + p->major_version, + p->minor_version)) + { + all_found = false; + break; + } + } + if (all_found && ext_count > max_ext_count) + { + max_ext_count = ext_count; + best_profile = riscv_profiles_table[i].profile_name; + } + } + delete subset_list; + } + return best_profile; +} + /* Clone whole subset list. */ riscv_subset_list * |