Thomas A.M. Bernard wrote:
> Well I found another way to solve the problem by updating the dce for
> not taking out my instructions.
>
> I inserted "setallocate" as a native operator in the back-end which
> comes from a GIMPLE node and map to the RTL pattern. Earlier in the
> discussion, it's been
Well I found another way to solve the problem by updating the dce for
not taking out my instructions.
I inserted "setallocate" as a native operator in the back-end which
comes from a GIMPLE node and map to the RTL pattern. Earlier in the
discussion, it's been discussed that the dce was taking
"Thomas A.M. Bernard" <[EMAIL PROTECTED]> writes:
> Ian Lance Taylor wrote:
>> "Thomas A.M. Bernard" <[EMAIL PROTECTED]> writes:
>>
>>
>>> I guess I am missing something here. I've tried the following as Paolo
>>> suggested,
>>>
>>> (define_insn "setallocate"
>>> [(unspec_volatile:DI [(match_op
Ian Lance Taylor wrote:
"Thomas A.M. Bernard" <[EMAIL PROTECTED]> writes:
I guess I am missing something here. I've tried the following as Paolo
suggested,
(define_insn "setallocate"
[(unspec_volatile:DI [(match_operand:DI 0 "general_operand" "r")]
UNSPEC_AL
"Thomas A.M. Bernard" <[EMAIL PROTECTED]> writes:
> I guess I am missing something here. I've tried the following as Paolo
> suggested,
>
> (define_insn "setallocate"
> [(unspec_volatile:DI [(match_operand:DI 0 "general_operand" "r")]
> UNSPEC_ALLOCATE)]
> ""
> "a
I guess I am missing something here. I've tried the following as Paolo
suggested,
(define_insn "setallocate"
[(unspec_volatile:DI [(match_operand:DI 0 "general_operand" "r")]
UNSPEC_ALLOCATE)]
""
"allocate %0\t\t#TCB_INSTRUCTIONS"
[(set_attr "type" "multi")]
Thomas A.M. Bernard wrote:
> I have tried unspec_volatile without success though. As
> follow,
>
> (define_insn "setallocate"
>[(setallocate
>(unspec_volatile:DI [ (match_operand:DI 0 "general_operand"
> "r")]
>UNSPEC_ALLOCATE)
>)]
> ""
Steven,
In the MD file, I have this pattern:
(define_insn "setallocate"
[(setallocate (match_operand:DI 0 "general_operand" "r")
)]
""
"allocate %0\t\t#TCB_INSTRUCTIONS"
[(set_attr "type" "multi")])
As you said dce takes out the instruction when flag -01 is engaged. I
would like to r
On Thu, Sep 11, 2008 at 10:38 AM, Thomas A.M. Bernard <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I inserted some extra instructions in the Alpha back-end (MD files). They
> are properly emitted when the flag -O0 is enabled. Since they have no side
> effects and no dependencies on other instructions, they
