diff options
| author | Sven Göthel <[email protected]> | 2024-01-05 13:52:12 +0100 |
|---|---|---|
| committer | Sven Göthel <[email protected]> | 2024-01-05 13:52:12 +0100 |
| commit | ec98cdacc85ff0202852472c7756586437912f22 (patch) | |
| tree | 42414746a27ab35cb8cdbc95af521d74821e57f4 /core/fpu_ctrl.h | |
| parent | fd5269bec9a5fe4815974b1786a037e6a247bfd2 (diff) | |
| parent | b82cd2e60edb8fbe5fdd3567105ae76a016a554c (diff) | |
Diffstat (limited to 'core/fpu_ctrl.h')
| -rw-r--r-- | core/fpu_ctrl.h | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/core/fpu_ctrl.h b/core/fpu_ctrl.h index 9554313a..d4f75ec3 100644 --- a/core/fpu_ctrl.h +++ b/core/fpu_ctrl.h @@ -2,20 +2,31 @@ #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{}; + static unsigned int Set() noexcept; + static void Reset(unsigned int state) noexcept; + public: - FPUCtl() noexcept { enter(); in_mode = true; } - ~FPUCtl() { if(in_mode) leave(); } + FPUCtl() noexcept : sse_state{Set()}, in_mode{true} { } + ~FPUCtl() { if(in_mode) Reset(sse_state); } FPUCtl(const FPUCtl&) = delete; FPUCtl& operator=(const FPUCtl&) = delete; - void enter() noexcept; - void leave() noexcept; + void enter() noexcept + { + if(!in_mode) + sse_state = Set(); + in_mode = true; + } + void leave() noexcept + { + if(in_mode) + Reset(sse_state); + in_mode = false; + } }; #endif /* CORE_FPU_CTRL_H */ |