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authorFelix Fietkau <nbd@nbd.name>2021-12-21 00:28:54 +0100
committerFelix Fietkau <nbd@nbd.name>2021-12-21 11:29:15 +0100
commitc46202fb34bbf6d1e159c1a1bbdec8a9ec726285 (patch)
treeecaf7c01b86abe66d0aad7ea0c72723d975bb058 /include
parent3eff363ec323d53f9623787e28678a025bb3ec5d (diff)
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bpf: add -mcpu=v3 to support 32-bit alu ops
Fixes JIT on 32-bit ARM and improves performance Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'include')
-rw-r--r--include/bpf.mk2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/bpf.mk b/include/bpf.mk
index 411763c4a2..ce30e24434 100644
--- a/include/bpf.mk
+++ b/include/bpf.mk
@@ -76,7 +76,7 @@ define CompileBPF
-c $(1) -o $(patsubst %.c,%.bc,$(1))
$(LLVM_OPT) -O2 -mtriple=$(BPF_TARGET) < $(patsubst %.c,%.bc,$(1)) > $(patsubst %.c,%.opt,$(1))
$(LLVM_DIS) < $(patsubst %.c,%.opt,$(1)) > $(patsubst %.c,%.S,$(1))
- $(LLVM_LLC) -march=$(BPF_TARGET) -filetype=obj -o $(patsubst %.c,%.o,$(1)) < $(patsubst %.c,%.S,$(1))
+ $(LLVM_LLC) -march=$(BPF_TARGET) -mcpu=v3 -filetype=obj -o $(patsubst %.c,%.o,$(1)) < $(patsubst %.c,%.S,$(1))
$(CP) $(patsubst %.c,%.o,$(1)) $(patsubst %.c,%.debug.o,$(1))
$(LLVM_STRIP) --strip-debug $(patsubst %.c,%.o,$(1))
endef