Break out most instructions from beam_emu.c

1 files changed, 88 insertions, 0 deletions

diff --git a/erts/emulator/beam/float_instrs.tab b/erts/emulator/beam/float_instrs.tab
new file mode 100644
index 0000000000..3d4db77892
--- /dev/null
+++ b/erts/emulator/beam/float_instrs.tab
@@ -0,0 +1,88 @@
+// -*- c -*-
+//
+// %CopyrightBegin%
+//
+// Copyright Ericsson AB 2017. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// %CopyrightEnd%
+//
+
+LOAD_DOUBLE(Src, Dst) {
+    GET_DOUBLE($Src, *(FloatDef *) &$Dst);
+}
+
+fload(Reg, Dst) {
+    $LOAD_DOUBLE($Reg, $Dst);
+}
+
+fstore(Float, Dst) {
+    PUT_DOUBLE(*((FloatDef *) &$Float), HTOP);
+    $Dst = make_float(HTOP);
+    HTOP += FLOAT_SIZE_OBJECT;
+}
+
+fconv(Src, Dst) {
+    Eterm src = $Src;
+
+    if (is_small(src)) {
+        $Dst = (double) signed_val(src);
+    } else if (is_big(src)) {
+        if (big_to_double(src, &$Dst) < 0) {
+            $BADARITH0();
+        }
+    } else if (is_float(src)) {
+        $LOAD_DOUBLE(src, $Dst);
+    } else {
+        $BADARITH0();
+    }
+}
+
+FLOAT_OP(Src1, OP, Src2, Dst) {
+    ERTS_NO_FPE_CHECK_INIT(c_p);
+    $Dst = $Src1 $OP $Src2;
+    ERTS_NO_FPE_ERROR(c_p, $Dst, $BADARITH0());
+}
+
+i_fadd(Src1, Src2, Dst) {
+    $FLOAT_OP($Src1, +, $Src2, $Dst);
+}
+
+i_fsub(Src1, Src2, Dst) {
+    $FLOAT_OP($Src1, -, $Src2, $Dst);
+}
+
+i_fmul(Src1, Src2, Dst) {
+    $FLOAT_OP($Src1, *, $Src2, $Dst);
+}
+
+i_fdiv(Src1, Src2, Dst) {
+    $FLOAT_OP($Src1, /, $Src2, $Dst);
+}
+
+i_fnegate(Src, Dst) {
+    ERTS_NO_FPE_CHECK_INIT(c_p);
+    $Dst = -$Src;
+    ERTS_NO_FPE_ERROR(c_p, $Dst, $BADARITH0());
+}
+
+%unless NO_FPE_SIGNALS
+fclearerror() {
+    ERTS_FP_CHECK_INIT(c_p);
+}
+
+i_fcheckerror() {
+    ERTS_FP_ERROR(c_p, freg[0].fd, $BADARITH0());
+}
+%endif