Re: [PATCH 2/5] Simplify ira_setup_alts

2019-06-24 Thread Vladimir Makarov
On 2019-06-21 9:40 a.m., Richard Sandiford wrote: ira_setup_alts has its own code to calculate the start of the constraint string for each operand/alternative combination, but preprocess_constraints now provides that information in (almost) constant time for non-asm instructions. Using it here

[PATCH 2/5] Simplify ira_setup_alts

2019-06-21 Thread Richard Sandiford
ira_setup_alts has its own code to calculate the start of the constraint string for each operand/alternative combination, but preprocess_constraints now provides that information in (almost) constant time for non-asm instructions. Using it here should speed up the common case at the cost of potent