diff options
Diffstat (limited to 'src/llvm_backend_expr.cpp')
| -rw-r--r-- | src/llvm_backend_expr.cpp | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/src/llvm_backend_expr.cpp b/src/llvm_backend_expr.cpp index 10c337650..55b76b93a 100644 --- a/src/llvm_backend_expr.cpp +++ b/src/llvm_backend_expr.cpp @@ -258,7 +258,13 @@ lbValue lb_emit_unary_arith(lbProcedure *p, TokenKind op, lbValue x, Type *type) LLVMBuildStore(p->builder, v2, LLVMBuildStructGEP(p->builder, addr.addr.value, 2, "")); LLVMBuildStore(p->builder, v3, LLVMBuildStructGEP(p->builder, addr.addr.value, 3, "")); return lb_addr_load(p, addr); - + } else if (is_type_simd_vector(x.type)) { + Type *elem = base_array_type(x.type); + if (is_type_float(elem)) { + res.value = LLVMBuildFNeg(p->builder, x.value, ""); + } else { + res.value = LLVMBuildNeg(p->builder, x.value, ""); + } } else { GB_PANIC("Unhandled type %s", type_to_string(x.type)); } @@ -2559,6 +2565,38 @@ lbValue lb_emit_comp(lbProcedure *p, TokenKind op_kind, lbValue left, lbValue ri case Token_NotEq: pred = LLVMIntNE; break; } res.value = LLVMBuildICmp(p->builder, pred, left.value, right.value, ""); + } else if (is_type_simd_vector(a)) { + LLVMValueRef mask = nullptr; + Type *elem = base_array_type(a); + if (is_type_float(elem)) { + LLVMRealPredicate pred = {}; + switch (op_kind) { + case Token_CmpEq: pred = LLVMRealOEQ; break; + case Token_NotEq: pred = LLVMRealONE; break; + } + mask = LLVMBuildFCmp(p->builder, pred, left.value, right.value, ""); + } else { + LLVMIntPredicate pred = {}; + switch (op_kind) { + case Token_CmpEq: pred = LLVMIntEQ; break; + case Token_NotEq: pred = LLVMIntNE; break; + } + mask = LLVMBuildICmp(p->builder, pred, left.value, right.value, ""); + } + GB_ASSERT_MSG(mask != nullptr, "Unhandled comparison kind %s (%s) %.*s %s (%s)", type_to_string(left.type), type_to_string(base_type(left.type)), LIT(token_strings[op_kind]), type_to_string(right.type), type_to_string(base_type(right.type))); + + // TODO(bill): is this a good approach to dealing with comparisons of vectors? + char const *name = "llvm.vector.reduce.umax"; + LLVMTypeRef types[1] = {LLVMTypeOf(mask)}; + unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name)); + GB_ASSERT_MSG(id != 0, "Unable to find %s.%s", name, LLVMPrintTypeToString(types[0])); + LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types)); + + LLVMValueRef args[1] = {}; + args[0] = mask; + res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), ""); + return res; + } else { GB_PANIC("Unhandled comparison kind %s (%s) %.*s %s (%s)", type_to_string(left.type), type_to_string(base_type(left.type)), LIT(token_strings[op_kind]), type_to_string(right.type), type_to_string(base_type(right.type))); } |