diff options
Diffstat (limited to 'src/trans/codegen_c.cpp')
| -rw-r--r-- | src/trans/codegen_c.cpp | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/src/trans/codegen_c.cpp b/src/trans/codegen_c.cpp index e7bece78..53448ad9 100644 --- a/src/trans/codegen_c.cpp +++ b/src/trans/codegen_c.cpp @@ -877,11 +877,12 @@ namespace { fields.push_back(fields.size()); } ::std::sort(fields.begin(), fields.end(), [&](auto a, auto b){ return repr->fields[a].offset < repr->fields[b].offset; }); + size_t sized_fields = 0; for(unsigned fld : fields) { m_of << "\t"; const auto& ty = repr->fields[fld].ty; - + if( const auto* te = ty.m_data.opt_Slice() ) { emit_ctype( *te->inner, FMT_CB(ss, ss << "_" << fld << "[0]";) ); has_unsized = true; @@ -895,12 +896,21 @@ namespace { has_unsized = true; } else { - // TODO: Nested unsized? - emit_ctype( ty, FMT_CB(ss, ss << "_" << fld) ); + size_t s; + Target_GetSizeOf(sp, m_resolve, ty, s); + if( s == 0 ) { + m_of << "// ZST\n"; + continue ; + } + else { + // TODO: Nested unsized? + emit_ctype( ty, FMT_CB(ss, ss << "_" << fld) ); + sized_fields ++; + } } m_of << ";\n"; } - if( fields.size() == 0 ) + if( sized_fields == 0 ) { if( m_options.disallow_empty_structs ) { @@ -3117,6 +3127,13 @@ namespace { m_of << indent << "__fastfail("; emit_lvalue(e.inputs[0].second); m_of << ");\n"; return ; } + else if( e.tpl == "pause" ) + { + if( !(e.inputs.size() == 0 && e.outputs.size() == 0) ) + MIR_BUG(mir_res, "Hard-coded asm translation doesn't apply - `" << e.tpl << "` inputs=" << e.inputs << " outputs=" << e.outputs); + m_of << indent << "_mm_pause();\n"; + return ; + } else { // No hard-coded translations. @@ -3135,6 +3152,9 @@ namespace { #endif } + if( Target_GetCurSpec().m_c_compiler == "amd64" ) { + MIR_TODO(mir_res, "MSVC amd64 doesn't support inline assembly, need to have a transform for '" << e.tpl << "'"); + } m_of << indent << "__asm {\n"; m_of << indent << "\t"; |