Hi Boris,
The cfg is not updated during the dbr pass (you might have edges to
non-existing blocks etc.). Furthermore, the BB rules do not apply after the dbr
pass (you might have labels inside BBs and not only before the bb_note insn or
jump-insns in the middle of the BB and not at BB_END).
Wh
Hi,
I'm developing a gcc based compiler and in a certain scenario I get the
following reload crash:
"error: unable to find a register to spill in class 'AB_REGS'"
I looked into it and it looks like it happens when all the AB_REGS registers
are taken as function arguments, and the prefered class
7 09:30
To: Tomer Benyamini
Cc: gcc@gcc.gnu.org
Subject: Re: Adding custom scheduler dependency between 2 insns
Tomer Benyamini wrote:
> Hi,
>
> I was wondering if it is possible to create a dependency between 2
insns
> through a specific scheduler hook (maybe through
> TARGET_SCHED_DEP
Hi,
I was wondering if it is possible to create a dependency between 2 insns
through a specific scheduler hook (maybe through
TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK) even though the insns are not
really dependent (not really read-after-write etc.). If it is possible,
what is the best way to do