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Re: [patch] MIPS gas problems with gcc's explicit relocs
Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de> writes:
> Maciej W. Rozycki wrote:
> [snip]
>> asm("dla\t%0,%1" : "=r" (result) : "m" (foo));
> [snip]
>> lui $2,%highest(foo)
>> daddiu $2,$2,%higher(foo)
>> dsll $2,$2,16
>> daddiu $2,$2,%hi(foo)
>> dsll $2,$2,16
>> #APP
>> dla $2,%lo(foo)($2)
>> #NO_APP
>
> IMHO this is broken in the compiler. It should either only provide the
> sympol for %1, or handle the dla expansion correctly, preferably with
> better optimization for superscalar processors (that is, a
> lui - lui - daddiu - daddiu - dsll32 - daddu sequence).
Huh? This is an asm statement; the compiler has no idea that it's a
dla instruction.
zw