https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89021
--- Comment #26 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> --- Author: hjl Date: Wed May 15 15:18:41 2019 New Revision: 271234 URL: https://gcc.gnu.org/viewcvs?rev=271234&root=gcc&view=rev Log: i386: Emulate MMX maskmovq with SSE2 maskmovdqu Emulate MMX maskmovq with SSE2 maskmovdqu for TARGET_MMX_WITH_SSE by zero-extending source and mask operands to 128 bits. Handle unmapped bits 64:127 at memory address by adjusting source and mask operands together with memory address. PR target/89021 * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2 maskmovdqu for __MMX_WITH_SSE__. Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/xmmintrin.h
