Re: [PATCH] Break false dependence for vpternlog by inserting vpxor.

+; False dependency happens on destination register which is not really +; used when moving all ones to vector register +(define_split + [(set (match_operand:VMOVE 0 "register_operand") + (match_operand:VMOVE 1 "int_float_vector_all_ones_operand"))] + "TARGET_AVX512F && reload_completed +

Generating all-ones zmm needs dep-breaking pxor before ternlog (PR target/110438)

PR target/110438 requests to emit PXOR before VPTERNLOG. This patch implements that.From 815779936d0ca213b4c9ec798ed6acf8179fc2e7 Mon Sep 17 00:00:00 2001 From: Yan Simonaytes Date: Tue, 4 Jul 2023 21:11:04 +0300 Subject: [PATCH] Generating all-ones zmm needs dep-breaking pxor before ternlog P