Move cpu_caps and fpu_ctrl to core

1 files changed, 25 insertions, 0 deletions

diff --git a/core/fpu_ctrl.h b/core/fpu_ctrl.h
new file mode 100644
index 00000000..20bd2772
--- /dev/null
+++ b/core/fpu_ctrl.h
@@ -0,0 +1,25 @@
+#ifndef CORE_FPU_CTRL_H
+#define CORE_FPU_CTRL_H
+
+class FPUCtl {
+#if defined(HAVE_SSE_INTRINSICS) || (defined(__GNUC__) && defined(HAVE_SSE))
+    unsigned int sse_state{};
+#endif
+    bool in_mode{};
+
+public:
+    FPUCtl();
+    /* HACK: 32-bit targets for GCC seem to have a problem here with certain
+     * noexcept methods (which destructors are) causing an internal compiler
+     * error. No idea why it's these methods specifically, but this is needed
+     * to get it to compile.
+     */
+    ~FPUCtl() noexcept(false) { leave(); }
+
+    FPUCtl(const FPUCtl&) = delete;
+    FPUCtl& operator=(const FPUCtl&) = delete;
+
+    void leave();
+};
+
+#endif /* CORE_FPU_CTRL_H */