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bpf: add -mcpu=v3 to support 32-bit alu ops

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Fixes JIT on 32-bit ARM and improves performance

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2021-12-21 00:28:54 +01:00
parent 3eff363ec3
commit c46202fb34
1 changed files with 1 additions and 1 deletions
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2
include/bpf.mk
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@@ -76,7 +76,7 @@ define CompileBPF
-c $(1) -o $(patsubst %.c,%.bc,$(1)) -c $(1) -o $(patsubst %.c,%.bc,$(1))
$(LLVM_OPT) -O2 -mtriple=$(BPF_TARGET) < $(patsubst %.c,%.bc,$(1)) > $(patsubst %.c,%.opt,$(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_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)) $(CP) $(patsubst %.c,%.o,$(1)) $(patsubst %.c,%.debug.o,$(1))
$(LLVM_STRIP) --strip-debug $(patsubst %.c,%.o,$(1)) $(LLVM_STRIP) --strip-debug $(patsubst %.c,%.o,$(1))
endef endef