sequences), while allowing portable code to execute discovery
sequences to detect support for alternative accuracy modes.
-# Dynamic accuracy CSR
+# Dynamic accuracy CSR <a name="dynamic"></a>
+
+| 31....11 | 10..8 | 7..5 | 4....0 |
+| reserved | facc | frm | fflags |
+
+| facc | mode | description |
+| 0b000 | IEEE754 | correctly rounded |
+| 0b010 | ULP<1 | Unit Last Place < 1 |
+| 0b100 | Vulkan | Vulkan compliant |
+| 0b110 | Appx | Machine Learning |
maybe a solution would be to add an extra field to the fp control csr
to allow selecting one of several accurate or fast modes: