On Fri, Nov 30, 2018 at 06:28:28PM +1030, Alan Modra wrote:
> On Thu, Nov 29, 2018 at 12:15:06PM -0600, Segher Boessenkool wrote:
> > On Sun, Nov 25, 2018 at 10:50:27PM +1030, Alan Modra wrote:
> > > This patch aims to prevent long sequences loading soft-float
> > > constants. For 32-bit, it makes
On Thu, Nov 29, 2018 at 12:15:06PM -0600, Segher Boessenkool wrote:
> On Sun, Nov 25, 2018 at 10:50:27PM +1030, Alan Modra wrote:
> > This patch aims to prevent long sequences loading soft-float
> > constants. For 32-bit, it makes sense to load values inline to a gpr
> > with lis, addi, but not so
Hi!
On Sun, Nov 25, 2018 at 10:50:27PM +1030, Alan Modra wrote:
> This patch aims to prevent long sequences loading soft-float
> constants. For 32-bit, it makes sense to load values inline to a gpr
> with lis, addi, but not so much for 64-bit where a 5 insn sequence
> might be needed for each gpr
This patch aims to prevent long sequences loading soft-float
constants. For 32-bit, it makes sense to load values inline to a gpr
with lis, addi, but not so much for 64-bit where a 5 insn sequence
might be needed for each gpr. For TFmode in particular, a 10 insn
sequence is reduced to 2 loads fro
