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[Docs][CodeGenerator][eBPF] Correct the values for BPF_X and BPF_K 

Fix the values of BPF_X and BPF_K according to BPFInstrFormats.td:
"
def BPF_K : BPFSrcType<0x0>;
def BPF_X : BPFSrcType<0x1>;
"

The right value for BPF_X is 0x1, and the right value for BPF_K is 0x0.

Signed-off-by: Wang YanQing <udknight@gmail.com>

Differential Revision: https://reviews.llvm.org/D61512

llvm-svn: 359904
This commit is contained in:
Yonghong Song 2019-05-03 16:40:16 +00:00
parent a8f3840c62
commit 33434d5f04
1 changed files with 2 additions and 2 deletions
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4
llvm/docs/CodeGenerator.rst
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@ -2527,8 +2527,8 @@ When BPF_CLASS(code) == BPF_ALU or BPF_ALU64 or BPF_JMP,
::
BPF_X 0x0 use src_reg register as source operand
BPF_K 0x1 use 32 bit immediate as source operand
BPF_X 0x1 use src_reg register as source operand
BPF_K 0x0 use 32 bit immediate as source operand
and four MSB bits store operation code