From: Sun Yuechi <sunyue...@iscas.ac.cn>
Support using -Dcpu_instruction_set=rv64gcv to enable V extension.
Signed-off-by: Sun Yuechi <sunyue...@iscas.ac.cn>
---
config/riscv/meson.build | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/config/riscv/meson.build b/config/riscv/meson.build
index e3694cf2e6..f93ea3e145 100644
--- a/config/riscv/meson.build
+++ b/config/riscv/meson.build
@@ -111,13 +111,15 @@ arch_config = arch_config[arch_id]
# Concatenate flags respecting priorities.
dpdk_flags = flags_common + vendor_config['flags'] + arch_config.get('flags',
[])
-# apply supported machine args
-machine_args = [] # Clear previous machine args
-foreach flag: arch_config['machine_args']
- if cc.has_argument(flag)
- machine_args += flag
- endif
-endforeach
+if (cpu_instruction_set == 'rv64gc')
+ # apply supported machine args
+ machine_args = [] # Clear previous machine args
+ foreach flag: arch_config['machine_args']
+ if cc.has_argument(flag)
+ machine_args += flag
+ endif
+ endforeach
+endif
# check if we can do buildtime detection of extensions supported by the target
riscv_extension_macros = false
--
2.49.0
