From: Steven Bosscher [mailto:stevenb@gmail.com]
Sent: Monday, March 09, 2015 7:48 PM
To: Thomas Preud'homme
Cc: GCC Patches; Eric Botcazou
Subject: Re: [PATCH, stage1] Move insns without introducing new
temporaries in loop2_invariant
New patch below.
It looks like this would run
From: Steven Bosscher [mailto:stevenb@gmail.com]
Sent: Monday, March 09, 2015 7:48 PM
To: Thomas Preud'homme
Cc: GCC Patches; Eric Botcazou
Subject: Re: [PATCH, stage1] Move insns without introducing new
temporaries in loop2_invariant
On Thu, Mar 5, 2015 at 10:53 AM, Thomas
On Thu, Mar 5, 2015 at 10:53 AM, Thomas Preud'homme wrote:
diff --git a/gcc/dominance.c b/gcc/dominance.c
index 33d4ae4..09c8c90 100644
--- a/gcc/dominance.c
+++ b/gcc/dominance.c
@@ -982,7 +982,7 @@ nearest_common_dominator_for_set (enum cdi_direction dir,
bitmap blocks)
From: Jiong Wang [mailto:jiong.w...@arm.com]
Sent: Friday, March 06, 2015 8:10 PM
On 05/03/15 09:53, Thomas Preud'homme wrote:
*** gcc/testsuite/ChangeLog ***
2015-02-16 Thomas Preud'homme thomas.preudho...@arm.com
* gcc.dg/loop-7.c: Run on all targets and check for
From: Richard Biener [mailto:richard.guent...@gmail.com]
Sent: Thursday, March 05, 2015 7:12 PM
loop header
start of loop body
//stuff
(set (reg 128) (const_int 0))
//other stuff
end of loop body
becomes:
(set (reg 129) (const_int 0))
loop header
start of loop body
On 05/03/15 09:53, Thomas Preud'homme wrote:
*** gcc/testsuite/ChangeLog ***
2015-02-16 Thomas Preud'homme thomas.preudho...@arm.com
* gcc.dg/loop-7.c: Run on all targets and check for loop2_invariant
being able to move instructions without introducing new temporary
On Thu, Mar 5, 2015 at 10:53 AM, Thomas Preud'homme
thomas.preudho...@arm.com wrote:
Note: this is stage1 material.
Currently loop2_invariant pass hoist instructions out of loop by creating a
new temporary for the destination register of that instruction and leaving
there a mov from new
Note: this is stage1 material.
Currently loop2_invariant pass hoist instructions out of loop by creating a new
temporary for the destination register of that instruction and leaving there a
mov from new temporary to old register as shown below:
loop header
start of loop body
//stuff
(set (reg
