diff options
| -rw-r--r-- | meson.build | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/meson.build b/meson.build index 76335bb..65ea45c 100644 --- a/meson.build +++ b/meson.build @@ -335,6 +335,10 @@ elif host_os == 'windows' endif endif +# Choose instruction set (currently x86-only) + +qemu_isa_flags = [] + # __sync_fetch_and_and requires at least -march=i486. Many toolchains # use i686 as default anyway, but for those that don't, an explicit # specification is necessary @@ -351,7 +355,7 @@ if host_arch == 'i386' and not cc.links(''' sfaa(&val); return val; }''') - qemu_common_flags = ['-march=i486'] + qemu_common_flags + qemu_isa_flags += ['-march=i486'] endif # Pick x86-64 baseline version @@ -367,29 +371,31 @@ if host_arch in ['i386', 'x86_64'] else # present on basically all processors but technically not part of # x86-64-v1, so only include -mneeded for x86-64 version 2 and above - qemu_common_flags = ['-mcx16'] + qemu_common_flags + qemu_isa_flags += ['-mcx16'] endif endif if get_option('x86_version') >= '2' - qemu_common_flags = ['-mpopcnt'] + qemu_common_flags - qemu_common_flags = cc.get_supported_arguments('-mneeded') + qemu_common_flags + qemu_isa_flags += ['-mpopcnt'] + qemu_isa_flags += cc.get_supported_arguments('-mneeded') endif if get_option('x86_version') >= '3' - qemu_common_flags = ['-mmovbe', '-mabm', '-mbmi', '-mbmi2', '-mfma', '-mf16c'] + qemu_common_flags + qemu_isa_flags += ['-mmovbe', '-mabm', '-mbmi', '-mbmi2', '-mfma', '-mf16c'] endif # add required vector instruction set (each level implies those below) if get_option('x86_version') == '1' - qemu_common_flags = ['-msse2'] + qemu_common_flags + qemu_isa_flags += ['-msse2'] elif get_option('x86_version') == '2' - qemu_common_flags = ['-msse4.2'] + qemu_common_flags + qemu_isa_flags += ['-msse4.2'] elif get_option('x86_version') == '3' - qemu_common_flags = ['-mavx2'] + qemu_common_flags + qemu_isa_flags += ['-mavx2'] elif get_option('x86_version') == '4' - qemu_common_flags = ['-mavx512f', '-mavx512bw', '-mavx512cd', '-mavx512dq', '-mavx512vl'] + qemu_common_flags + qemu_isa_flags += ['-mavx512f', '-mavx512bw', '-mavx512cd', '-mavx512dq', '-mavx512vl'] endif endif +qemu_common_flags = qemu_isa_flags + qemu_common_flags + if get_option('prefer_static') qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static' endif |