[PATCH] Fix a parsing bug of Blackfin gas

[Jie Zhang]

The `.' in NUMBER pattern of Blackfin bfin-lex.l was not escaped, which
made it match "0&0". Such that it reported a syntax error for the
following instruction:

$ cat t.s
r0.l = 0 & 0xffff;

$ bfin-elf-as -o t.o t.s
t.s: Assembler messages:
t.s:1: Error: syntax error. Input text was xffff.
t.s:1: Error:

I have committed this patch to fix this bug.


Jie


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