SuperTuxKart 1.5 upstream source (from official release tarball)

2026-06-11 20:04:02 +02:00
commit 2957e51aaa
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+/* SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Copyright:
+ *   2021      Evan Nemerson <evan@nemerson.com>
+ */
+
+#if !defined(SIMDE_ARM_SVE_PTEST_H)
+#define SIMDE_ARM_SVE_PTEST_H
+
+#include "types.h"
+
+HEDLEY_DIAGNOSTIC_PUSH
+SIMDE_DISABLE_UNWANTED_DIAGNOSTICS
+
+SIMDE_FUNCTION_ATTRIBUTES
+simde_bool
+simde_svptest_first(simde_svbool_t pg, simde_svbool_t op) {
+  #if defined(SIMDE_ARM_SVE_NATIVE)
+    return svptest_first(pg, op);
+  #elif defined(SIMDE_X86_AVX512BW_NATIVE) && (!defined(HEDLEY_MSVC_VERSION) || HEDLEY_MSVC_VERSION_CHECK(19,20,0))
+    if (HEDLEY_LIKELY(pg.value & 1))
+      return op.value & 1;
+
+    if (pg.value == 0 || op.value == 0)
+      return 0;
+
+    #if defined(_MSC_VER)
+      unsigned long r = 0;
+      _BitScanForward64(&r, HEDLEY_STATIC_CAST(uint64_t, pg.value));
+      return (op.value >> r) & 1;
+    #else
+      return (op.value >> __builtin_ctzll(HEDLEY_STATIC_CAST(unsigned long long, pg.value))) & 1;
+    #endif
+  #else
+    for (int i = 0 ; i < HEDLEY_STATIC_CAST(int, simde_svcntb()) ; i++) {
+      if (pg.values_i8[i]) {
+        return !!op.values_i8[i];
+      }
+    }
+
+    return 0;
+  #endif
+}
+#if defined(SIMDE_ARM_SVE_ENABLE_NATIVE_ALIASES)
+  #undef simde_svptest_first
+  #define svptest_first(pg, op) simde_svptest_first(pg, op)
+#endif
+
+HEDLEY_DIAGNOSTIC_POP
+
+#endif /* SIMDE_ARM_SVE_PTEST_H */