On 24/04/15 02:16, Jeff Law wrote:
On 04/10/2015 03:14 AM, Alex Velenko wrote:
On 09/03/15 17:40, Jeff Law wrote:
On 03/09/15 03:53, Steven Bosscher wrote:
On Wed, Mar 4, 2015 at 12:09 PM, Alex Velenko wrote:
For example, in arm testcase pr43920-2.c, CSE previously decided not
to put
an
On 04/10/2015 03:14 AM, Alex Velenko wrote:
On 09/03/15 17:40, Jeff Law wrote:
On 03/09/15 03:53, Steven Bosscher wrote:
On Wed, Mar 4, 2015 at 12:09 PM, Alex Velenko wrote:
For example, in arm testcase pr43920-2.c, CSE previously decided not
to put
an obvious note on insn 9, as set value was
On 03/09/15 03:53, Steven Bosscher wrote:
On Wed, Mar 4, 2015 at 12:09 PM, Alex Velenko wrote:
For example, in arm testcase pr43920-2.c, CSE previously decided not to put
an obvious note on insn 9, as set value was the same as note value.
At the same time, other insns set up as -1 were set up
On Wed, Mar 4, 2015 at 12:09 PM, Alex Velenko wrote:
For example, in arm testcase pr43920-2.c, CSE previously decided not to put
an obvious note on insn 9, as set value was the same as note value.
At the same time, other insns set up as -1 were set up through a register
and did get a note:
On Wed, Mar 04, 2015 at 11:09:14AM +, Alex Velenko wrote:
I prefer adding notes in CSE instead of adding additional checks in Jump2
and, if any, other passes, as I think it is more uniform solution and allows
single point fix. Downside is having more notes.
The other downside is that every
Hi,
This patch permits CSE to add REG_EQUAL notes when single setting a constant
to a register even if REG_EQUAL constant rtx is the same as the set source rtx.
This enables optimizations in later passes looking for REG_EQUAL notes, like
jump2 pass.
For example, in arm testcase pr43920-2.c, CSE