RE: [PATCH 4/5][Arm] New pattern for CSNEG instructions

2020-08-07 Thread Kyrylo Tkachov
Hi Omar, From: Omar Tahir Sent: 04 August 2020 17:15 To: Kyrylo Tkachov ; ni...@redhat.com; Ramana Radhakrishnan ; Richard Earnshaw ; gcc-patches@gcc.gnu.org Subject: [PATCH 4/5][Arm] New pattern for CSNEG instructions This patch adds a new pattern, *thumb2_csneg, for generating CSNEG

[PATCH 4/5][Arm] New pattern for CSNEG instructions

2020-08-04 Thread Omar Tahir
This patch adds a new pattern, *thumb2_csneg, for generating CSNEG instructions. It also restricts *if_neg_move and *thumb2_negscc to only match if !TARGET_COND_ARITH which prevents undesirable matches during ifcvt. Regression tested on arm-none-eabi. 2020-07-30: Sudakshina Das Omar