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Re: [PATCH/RFA] SH: Rename ashlhi3 insn
On Mar 21, 2005, Kaz Kojima <kkojima@rr.iij4u.or.jp> wrote:
> * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
> ashlhi3 expander.
> + if (GET_CODE (operands[2]) != CONST_INT || operands[0] != operands[1])
> + FAIL;
I don't think the requirement that operands[0] == operands[1] is
appropriate. The register allocator could arrange for input and
output pseudos to be assigned to the same hardware register. If you
absolutely need this test, add `&& reload_completed', otherwise just
leave it out.
--
Alexandre Oliva http://www.ic.unicamp.br/~oliva/
Red Hat Compiler Engineer aoliva@{redhat.com, gcc.gnu.org}
Free Software Evangelist oliva@{lsd.ic.unicamp.br, gnu.org}