[Bug target/91117] _mm_movpi64_epi64/_mm_movepi64_pi64 generating store+load instead of using MOVQ2DQ/MOVDQ2Q

2019-07-09 Thread wolfwings+gcc at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91117 --- Comment #2 from Wolf . --- Is there any way to still access MMX instructions/registers with intrinsics in gcc-10 at all or is this bug "fixable but that code generation option will go away entirely with gcc-10 so it wouldn't matter" then? Th

[Bug target/91117] New: _mm_movpi64_epi64/_mm_movepi64_pi64 generating store+load instead of using MOVQ2DQ/MOVDQ2Q

2019-07-08 Thread wolfwings+gcc at gmail dot com
Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: wolfwings+gcc at gmail dot com Target Milestone: --- _mm_movpi64_epi64 is never using MOVQ2DQ (and _mm_movepi64_pi64 never using MOVDQ2Q) despite