Module: Mesa Branch: main Commit: b68582b1c5b3b226a9ad88ac18a3fb21a81226e9 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=b68582b1c5b3b226a9ad88ac18a3fb21a81226e9
Author: Jordan Justen <[email protected]> Date: Wed Mar 29 23:30:44 2023 -0700 meson: Check for the __builtin_ia32_clflushopt function Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Lionel Landwerlin <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22379> --- meson.build | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/meson.build b/meson.build index 0aa07eb08d7..8aa133dbb2e 100644 --- a/meson.build +++ b/meson.build @@ -1170,6 +1170,16 @@ if host_machine.cpu_family().startswith('x86') endif endif +# Detect __builtin_ia32_clflushopt support +if cc.has_function('__builtin_ia32_clflushopt', args : '-mclflushopt') + pre_args += '-DHAVE___BUILTIN_IA32_CLFLUSHOPT' + clflushopt_args = ['-mclflushopt'] + with_clflushopt = true +else + clflushopt_args = [] + with_clflushopt = false +endif + # Check for GCC style atomics dep_atomic = null_dep
