This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [PATCH, alpha]: Fix PR 22093, Unaligned access to HI values causes unrecognizable insn error
- From: Uros Bizjak <ubizjak at gmail dot com>
- To: gcc-patches at gcc dot gnu dot org
- Date: Wed, 30 Sep 2009 10:24:50 +0200
- Subject: Re: [PATCH, alpha]: Fix PR 22093, Unaligned access to HI values causes unrecognizable insn error
- References: <5787cf470909300033k18d2f7c4t5a154d63e38a95b4@mail.gmail.com>
Hello!
For some reason, message was truncated...
>
> So, we should force the operand of plus RTX into register.
>
> Fixed gcc produces:
>
> ? ? ? ?lda $2,2($31)
> ? ? ? ?lda $1,x
> ? ? ? ?lda $4,7($1)
> ? ? ? ?ldq_u $3,6($1)
> ? ? ? ?inswl $2,$4,$2
> ? ? ? ?mskwl $3,$4,$3
> ? ? ? ?bis $2,$3,$2
> ? ? ? ?stq_u $2,6($1)
> ? ? ? ?ret $31,($26),1
>
> which is just what we expect.
>
> Tested on alphaev68-pc-linux-gnu and by eyeballing generated code with #define
>
Tested on alphaev68-pc-linux-gnu and by eyeballing generated code with
#define TARGET_BIG_ENDIAN set to 1 in alpha.h.
Patch was committed to SVN under obvious rule, will be committed to
4.3 and 4.4 soon.
Uros.