Re: [PATCH] Fix merging of 2 predictors (PR tree-optimization/86925).

2018-08-14 Thread Jeff Law
On 08/13/2018 06:58 AM, Martin Liška wrote: > Hi. > > Following patch handles and issue seen in Linux kernel. It's about > __builtin_expects seen in a PHI node. > > Another issue I saw is compilation with -frounding-math. In that case > we should use non-rounding math for folding of probability v

[PATCH] Fix merging of 2 predictors (PR tree-optimization/86925).

2018-08-13 Thread Martin Liška
Hi. Following patch handles and issue seen in Linux kernel. It's about __builtin_expects seen in a PHI node. Another issue I saw is compilation with -frounding-math. In that case we should use non-rounding math for folding of probability value in __builtin_with_probability. Patch can bootstrap o