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Re: Combine on IA-64
- From: Richard Henderson <rth at redhat dot com>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Tue, 26 Feb 2002 10:08:46 -0800
- Subject: Re: Combine on IA-64
- References: <20020226145031.T2204@sunsite.ms.mff.cuni.cz>
On Tue, Feb 26, 2002 at 02:50:31PM +0100, Jakub Jelinek wrote:
> Cannot this be special cased in try_combine (there is already some other
> similar special case which fails because i3's SET_SRC is not
> register but PLUS) provided the clobbers aren't mentioned between i2 and i3
> and uses are not modified in between?
I think better is to do
(define_split
[(set (match_operand:DI 0 "register_operand" "")
(match_operand:DI 1 "symbolic_operand" ""))]
""
[(const_int 0)]
"ia64_expand_load_address (operands[0], operands[1], operands[2]); DONE;")
r~