[compiler-rt] [compiler-rt][RISCV] Implement __init_riscv_features_bit (PR #85790)

[Craig Topper via llvm-commits]

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@@ -0,0 +1,484 @@
+//=== feature_bits.c - Update RISC-V Feature Bits Structure -*- C -*-=========//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+static long syscall_impl_5_args(long number, long arg1, long arg2, long arg3,
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topperc wrote:

Do we need to check that we're compiling for Linux?

https://github.com/llvm/llvm-project/pull/85790