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* [gcc r14-9081] bpf: Add documentation for the -mcpu option
@ 2024-02-20 12:34 Jose E. Marchesi
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From: Jose E. Marchesi @ 2024-02-20 12:34 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:97f34ad10da8f46a4a1c17af6fdb950b132e1abc
commit r14-9081-g97f34ad10da8f46a4a1c17af6fdb950b132e1abc
Author: Will Hawkins <hawkinsw@obs.cr>
Date: Tue Feb 20 13:33:38 2024 +0100
bpf: Add documentation for the -mcpu option
Add documentation describing the meaning and values for the -mcpu
command-line option.
Tested for bpf-unknown-none on x86_64-linux-gnu host.
gcc/ChangeLog:
* config/bpf/bpf.opt: Add help information for -mcpu.
Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
Diff:
---
gcc/config/bpf/bpf.opt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/gcc/config/bpf/bpf.opt b/gcc/config/bpf/bpf.opt
index bc5b2220116c..acfddebdad71 100644
--- a/gcc/config/bpf/bpf.opt
+++ b/gcc/config/bpf/bpf.opt
@@ -77,9 +77,11 @@ Enable signed move and memory load instructions.
mcpu=
Target RejectNegative Joined Var(bpf_isa) Enum(bpf_isa) Init(ISA_V4)
+Select the eBPF ISA version to target in code generation.
Enum
Name(bpf_isa) Type(enum bpf_isa_version)
+Valid ISA versions (for use with the -mcpu= option)
EnumValue
Enum(bpf_isa) String(v1) Value(ISA_V1)
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