diff options
Diffstat (limited to 'src/llvm_backend_proc.cpp')
| -rw-r--r-- | src/llvm_backend_proc.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/llvm_backend_proc.cpp b/src/llvm_backend_proc.cpp index 4c4000fec..a5dda7815 100644 --- a/src/llvm_backend_proc.cpp +++ b/src/llvm_backend_proc.cpp @@ -2005,6 +2005,31 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv, return res; } + case BuiltinProc_fused_mul_add: + { + Type *type = tv.type; + lbValue x = lb_emit_conv(p, lb_build_expr(p, ce->args[0]), type); + lbValue y = lb_emit_conv(p, lb_build_expr(p, ce->args[1]), type); + lbValue z = lb_emit_conv(p, lb_build_expr(p, ce->args[2]), type); + + + char const *name = "llvm.fma"; + LLVMTypeRef types[1] = {lb_type(p->module, type)}; + 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[3] = {}; + args[0] = x.value; + args[1] = y.value; + args[2] = z.value; + + lbValue res = {}; + res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), ""); + res.type = type; + return res; + } + case BuiltinProc_mem_copy: { lbValue dst = lb_build_expr(p, ce->args[0]); |