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-rw-r--r--REORG.TODO/sysdeps/sparc/sparc64/multiarch/md5-block.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/sparc/sparc64/multiarch/md5-block.c b/REORG.TODO/sysdeps/sparc/sparc64/multiarch/md5-block.c
new file mode 100644
index 0000000000..7c1a3a368f
--- /dev/null
+++ b/REORG.TODO/sysdeps/sparc/sparc64/multiarch/md5-block.c
@@ -0,0 +1,29 @@
+#include <sparc-ifunc.h>
+
+#define  __md5_process_block __md5_process_block_generic
+extern void __md5_process_block_generic (const void *buffer, size_t len,
+					 struct md5_ctx *ctx);
+
+#include <crypt/md5-block.c>
+
+#undef __md5_process_block
+
+extern void __md5_process_block_crop (const void *buffer, size_t len,
+				      struct md5_ctx *ctx);
+static bool cpu_supports_md5(int hwcap)
+{
+  unsigned long cfr;
+
+  if (!(hwcap & HWCAP_SPARC_CRYPTO))
+    return false;
+
+  __asm__ ("rd %%asr26, %0" : "=r" (cfr));
+  if (cfr & (1 << 4))
+    return true;
+
+  return false;
+}
+
+extern void __md5_process_block (const void *buffer, size_t len,
+				 struct md5_ctx *ctx);
+sparc_libc_ifunc(__md5_process_block, cpu_supports_md5(hwcap) ? __md5_process_block_crop : __md5_process_block_generic);