On Sat, 2020-02-29 at 06:16 -0800, H.J. Lu wrote: > There is no need to set mode attribute to XImode nor V8DFmode since > ix86_output_ssemov can properly encode xmm16-xmm31 registers with and > without AVX512VL. > > gcc/ > > PR target/89229 > * config/i386/i386.c (ix86_output_ssemov): Handle MODE_DF. > * config/i386/i386.md (*movdf_internal): Call ix86_output_ssemov > for TYPE_SSEMOV. Remove TARGET_AVX512F, TARGET_PREFER_AVX256, > TARGET_AVX512VL and ext_sse_reg_operand check. And I worry about V1DF for alternatives 14,18 and SSE_SPLIT_REGS as well as alternative 15,19 and !TARGET_SSE2 which has insn_mode of V2SF.
jeff >
