1 files changed, 24 insertions, 0 deletions
diff --git a/libm/kvx/fesetexceptflag.c b/libm/kvx/fesetexceptflag.c
new file mode 100644
index 000000000..49180dc87
--- /dev/null
+++ b/libm/kvx/fesetexceptflag.c
@@ -0,0 +1,24 @@
+/*
+  (C) Copyright 2019 Kalray S.A.
+  This file provides fesetexceptflag for the Coolidge processor.
+*/
+
+#include <fenv.h>
+
+int fesetexceptflag(const fexcept_t *flagp, int excepts)
+{
+  /* Mask excepts to be sure only supported flag bits are set */
+  excepts &= FE_ALL_EXCEPT;
+
+  /* Set the requested flags */
+  fexcept_t flags = (*flagp & excepts);
+
+  /* Set $cs with 'flags' as a set mask and FE_ALL_EXCEPT as a clear
+     mask. */
+  __builtin_kvx_wfxl(KVX_SFR_CS, (long long)flags << 32 | FE_ALL_EXCEPT);
+
+  /* The above insn cannot fail (while the OS allows access to the
+     floating-point exception flags of the $cs register). Return
+     success. */
+  return 0;
+}