Andrew Pinski andrew.pin...@caviumnetworks.com writes:
On Thu, Sep 27, 2012 at 11:13 AM, Uros Bizjak ubiz...@gmail.com wrote:
2012-09-27 Uros Bizjak ubiz...@gmail.com
PR rtl-optimization/54457
* simplify-rtx.c (simplify_subreg):
Simplify (subreg:M (op:N ((x:N)
On Thu, Sep 27, 2012 at 11:13 AM, Uros Bizjak ubiz...@gmail.com wrote:
On Thu, Sep 27, 2012 at 8:08 PM, paul_kon...@dell.com wrote:
I agree (subreg:M (op:N A C) 0) to (op:M (subreg:N (A 0)) C) is
a good transformation, but why do we need to handle as special
the case where the subreg is
Uros Bizjak ubiz...@gmail.com writes:
On Thu, Sep 27, 2012 at 8:20 PM, Jakub Jelinek ja...@redhat.com wrote:
On Thu, Sep 27, 2012 at 08:04:58PM +0200, Uros Bizjak wrote:
After some off-line discussion with Richard, attached is v2 of the patch.
2012-09-27 Uros Bizjak ubiz...@gmail.com
On Thu, Sep 27, 2012 at 8:20 PM, Jakub Jelinek ja...@redhat.com wrote:
On Thu, Sep 27, 2012 at 08:04:58PM +0200, Uros Bizjak wrote:
After some off-line discussion with Richard, attached is v2 of the patch.
2012-09-27 Uros Bizjak ubiz...@gmail.com
PR rtl-optimization/54457
On Thu, Sep 27, 2012 at 4:25 PM, Richard Sandiford
rdsandif...@googlemail.com wrote:
I agree (subreg:M (op:N A C) 0) to (op:M (subreg:N (A 0)) C) is
a good transformation, but why do we need to handle as special
the case where the subreg is itself the operand of a plus or minus?
I think it
On Sep 27, 2012, at 2:04 PM, Uros Bizjak wrote:
I agree (subreg:M (op:N A C) 0) to (op:M (subreg:N (A 0)) C) is
a good transformation, but why do we need to handle as special
the case where the subreg is itself the operand of a plus or minus?
I think it should happen regardless of
On Thu, Sep 27, 2012 at 8:08 PM, paul_kon...@dell.com wrote:
I agree (subreg:M (op:N A C) 0) to (op:M (subreg:N (A 0)) C) is
a good transformation, but why do we need to handle as special
the case where the subreg is itself the operand of a plus or minus?
I think it should happen regardless
On Thu, Sep 27, 2012 at 08:04:58PM +0200, Uros Bizjak wrote:
After some off-line discussion with Richard, attached is v2 of the patch.
2012-09-27 Uros Bizjak ubiz...@gmail.com
PR rtl-optimization/54457
* simplify-rtx.c (simplify_subreg):
Simplify (subreg:SI (op:DI
Jakub Jelinek ja...@redhat.com writes:
On Thu, Sep 27, 2012 at 08:04:58PM +0200, Uros Bizjak wrote:
After some off-line discussion with Richard, attached is v2 of the patch.
2012-09-27 Uros Bizjak ubiz...@gmail.com
PR rtl-optimization/54457
* simplify-rtx.c