diff options
Diffstat (limited to 'src/llvm_backend.cpp')
| -rw-r--r-- | src/llvm_backend.cpp | 57 |
1 files changed, 49 insertions, 8 deletions
diff --git a/src/llvm_backend.cpp b/src/llvm_backend.cpp index a72ddc646..a853a6224 100644 --- a/src/llvm_backend.cpp +++ b/src/llvm_backend.cpp @@ -1135,13 +1135,46 @@ void lb_generate_code(lbGenerator *gen) { auto *min_dep_set = &info->minimum_dependency_set; - LLVMInitializeAllTargetInfos(); - LLVMInitializeAllTargets(); - LLVMInitializeAllTargetMCs(); - LLVMInitializeAllAsmPrinters(); - LLVMInitializeAllAsmParsers(); - LLVMInitializeAllDisassemblers(); - LLVMInitializeNativeTarget(); + switch (build_context.metrics.arch) { + case TargetArch_amd64: + case TargetArch_386: + LLVMInitializeX86TargetInfo(); + LLVMInitializeX86Target(); + LLVMInitializeX86TargetMC(); + LLVMInitializeX86AsmPrinter(); + LLVMInitializeX86AsmParser(); + LLVMInitializeX86Disassembler(); + break; + case TargetArch_arm64: + LLVMInitializeAArch64TargetInfo(); + LLVMInitializeAArch64Target(); + LLVMInitializeAArch64TargetMC(); + LLVMInitializeAArch64AsmPrinter(); + LLVMInitializeAArch64AsmParser(); + LLVMInitializeAArch64Disassembler(); + break; + case TargetArch_wasm32: + LLVMInitializeWebAssemblyTargetInfo(); + LLVMInitializeWebAssemblyTarget(); + LLVMInitializeWebAssemblyTargetMC(); + LLVMInitializeWebAssemblyAsmPrinter(); + LLVMInitializeWebAssemblyAsmParser(); + LLVMInitializeWebAssemblyDisassembler(); + break; + default: + LLVMInitializeAllTargetInfos(); + LLVMInitializeAllTargets(); + LLVMInitializeAllTargetMCs(); + LLVMInitializeAllAsmPrinters(); + LLVMInitializeAllAsmParsers(); + LLVMInitializeAllDisassemblers(); + break; + } + + + if (build_context.microarch == "native") { + LLVMInitializeNativeTarget(); + } char const *target_triple = alloc_cstring(permanent_allocator(), build_context.metrics.target_triplet); for_array(i, gen->modules.entries) { @@ -1174,6 +1207,14 @@ void lb_generate_code(lbGenerator *gen) { if (gb_strcmp(llvm_cpu, host_cpu_name) == 0) { llvm_features = LLVMGetHostCPUFeatures(); } + } else if (build_context.metrics.arch == TargetArch_amd64) { + // NOTE(bill): x86-64-v2 is more than enough for everyone + // + // x86-64: CMOV, CMPXCHG8B, FPU, FXSR, MMX, FXSR, SCE, SSE, SSE2 + // x86-64-v2: (close to Nehalem) CMPXCHG16B, LAHF-SAHF, POPCNT, SSE3, SSE4.1, SSE4.2, SSSE3 + // x86-64-v3: (close to Haswell) AVX, AVX2, BMI1, BMI2, F16C, FMA, LZCNT, MOVBE, XSAVE + // x86-64-v4: AVX512F, AVX512BW, AVX512CD, AVX512DQ, AVX512VL + llvm_cpu = "x86-64-v2"; } // GB_ASSERT_MSG(LLVMTargetHasAsmBackend(target)); @@ -1640,6 +1681,7 @@ void lb_generate_code(lbGenerator *gen) { code_gen_file_type = LLVMAssemblyFile; } + for_array(j, gen->modules.entries) { lbModule *m = gen->modules.entries[j].value; if (LLVMVerifyModule(m->mod, LLVMReturnStatusAction, &llvm_error)) { @@ -1684,7 +1726,6 @@ void lb_generate_code(lbGenerator *gen) { } } - TIME_SECTION("LLVM Add Foreign Library Paths"); for_array(j, gen->modules.entries) { |