use widths.get(dw/sw) and test empty/non-empty after.

[openpower-isa.git] / openpower / isa / av.mdwn

diff --git a/openpower/isa/av.mdwn b/openpower/isa/av.mdwn
index 6d26841ce18e822bb1212f2f6f17443fc092abe5..ffbb7e7f51cf9d93ee8ebfd2d35ae0769e0d4e79 100644 (file)
--- a/openpower/isa/av.mdwn
+++ b/openpower/isa/av.mdwn
@@ -208,13 +208,31 @@ Special Registers Altered:
 
 # Load Floating-Point Immediate
 
-X-Form
+DX-Form
+
+* fmvis FRS,D
+
+Pseudo-code:
+
+    bf16 <- d0 || d1 || d2
+    fp32 <- bf16 || [0]*16
+    FRS  <- DOUBLE(fp32)
+
+Special Registers Altered:
+
+    None
+
+# Float Replace Lower-Half Single, Immediate
+
+DX-Form
 
-* fmvis FRS,SI
+* fishmv FRS,D
 
 Pseudo-code:
 
-    FRS <- EXTS(SI)
+    fp32 <- SINGLE((FRS))
+    fp32[16:31] <- d0 || d1 || d2
+    FRS <- DOUBLE(fp32)
 
 Special Registers Altered: