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Re: MIPS gas relaxation still doesn't work
- From: Richard Sandiford <rsandifo at redhat dot com>
- To: "H. J. Lu" <hjl at lucon dot org>
- Cc: aoliva at redhat dot com, linux-mips at linux-mips dot org, gcc at gcc dot gnu dot org,binutils at sources dot redhat dot com
- Date: 14 Oct 2002 17:09:38 +0100
- Subject: Re: MIPS gas relaxation still doesn't work
- References: <20021012113423.A27894@lucon.org><20021013145423.A10174@lucon.org> <20021014082810.A28682@lucon.org>
"H. J. Lu" <hjl@lucon.org> writes:
> Can gcc be be modified not to generate noreorder/nomacro for branchs if
> gas is used?
Sounds like you're suggesting gcc should leave gas to fill delay slots?
gcc is usually much better at filling delay slots than gas is. gas just
looks at the previous instruction to see if it's suitable. gcc can pull
pull instructions from the branch target instead.
Richard