Re: [PATCH][AArch64] Use SUBS for parallel subtraction and comparison with immediate

2017-06-02 Thread James Greenhalgh
On Fri, Apr 21, 2017 at 09:20:55AM +0100, Kyrill Tkachov wrote: > Hi all, > > Our sub3_compare1 pattern is not enough to catch cases where we > subtract an immediate and compare against in PARALLEL. This is due to the RTL > canonicalisation rules that require subtractions of immediate IMM be > rep

Re: [PATCH][AArch64] Use SUBS for parallel subtraction and comparison with immediate

2017-06-02 Thread Kyrill Tkachov
Ping. Thanks, Kyrill On 11/05/17 11:14, Kyrill Tkachov wrote: Ping. https://gcc.gnu.org/ml/gcc-patches/2017-04/msg00932.html Thanks, Kyrill On 21/04/17 09:20, Kyrill Tkachov wrote: Hi all, Our sub3_compare1 pattern is not enough to catch cases where we subtract an immediate and compare ag

Re: [PATCH][AArch64] Use SUBS for parallel subtraction and comparison with immediate

2017-05-11 Thread Kyrill Tkachov
Ping. https://gcc.gnu.org/ml/gcc-patches/2017-04/msg00932.html Thanks, Kyrill On 21/04/17 09:20, Kyrill Tkachov wrote: Hi all, Our sub3_compare1 pattern is not enough to catch cases where we subtract an immediate and compare against in PARALLEL. This is due to the RTL canonicalisation rules