Re: Difficulties in merging patterns

2021-06-17 Thread Richard Biener
On Thu, 17 Jun 2021, Jakub Jelinek wrote: > On Thu, Jun 17, 2021 at 03:21:05PM +0200, Richard Biener wrote: > > but the difficulty is in the (const_int ..) operand to (vec_merge ..). > > I've tried sth like > > > > (define_mode_attr addsub_cst [(V4DF "(const_int 5)") (V2DF "(const_int > > 1)") >

Re: Difficulties in merging patterns

2021-06-17 Thread Jakub Jelinek via Gcc
On Thu, Jun 17, 2021 at 03:21:05PM +0200, Richard Biener wrote: > but the difficulty is in the (const_int ..) operand to (vec_merge ..). > I've tried sth like > > (define_mode_attr addsub_cst [(V4DF "(const_int 5)") (V2DF "(const_int > 1)") > (V4SF "(const_int 5)") (

Difficulties in merging patterns

2021-06-17 Thread Richard Biener
I'm trying to merge (define_insn "avx_addsubv4df3" [(set (match_operand:V4DF 0 "register_operand" "=x") (vec_merge:V4DF (minus:V4DF (match_operand:V4DF 1 "register_operand" "x") (match_operand:V4DF 2 "nonimmediate_operand" "xm")) (plus:V4DF (