[Bug target/85328] [8 Regression] accessing ymm16 with non-avx512 instruction form

2018-04-12 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85328 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/85328] [8 Regression] accessing ymm16 with non-avx512 instruction form

2018-04-12 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85328 --- Comment #3 from Jakub Jelinek --- Author: jakub Date: Thu Apr 12 11:17:23 2018 New Revision: 259344 URL: https://gcc.gnu.org/viewcvs?rev=259344&root=gcc&view=rev Log: PR target/85328 * config/i386/sse.md (avx512dq_vex

[Bug target/85328] [8 Regression] accessing ymm16 with non-avx512 instruction form

2018-04-11 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85328 --- Comment #2 from Jakub Jelinek --- Created attachment 43907 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43907&action=edit gcc8-pr85328.patch Many patterns rely on ix86_hard_regno_mode_ok not allowing < 512-bit vector modes in xmm16+