add SVzd to REMAP (svshape) "stride"

https://bugs.libre-soc.org/show_bug.cgi?id=930

diff --git a/openpower/isa/simplev.mdwn b/openpower/isa/simplev.mdwn
index 111212f865a1c3eda550e82673788655ec27b63f..aa8e692f8c836487cea3c0939c08f7569ef644d0 100644 (file)
--- a/openpower/isa/simplev.mdwn
+++ b/openpower/isa/simplev.mdwn
@@ -155,6 +155,7 @@ Pseudo-code:
         # set up template in SVSHAPE0, then copy to 1-3
         # for FRA and FRT
         SVSHAPE0[0:5] <- (0b0 || SVxd)   # xdim
+        SVSHAPE0[12:17] <- (0b0 || SVzd)   # zdim - "striding" (2D FFT)
         SVSHAPE0[30:31] <- 0b01          # Butterfly mode
         # copy
         SVSHAPE1[0:31] <- SVSHAPE0[0:31]
@@ -179,6 +180,7 @@ Pseudo-code:
         # set up template in SVSHAPE0, then copy to 1-3
         # set up FRB and FRS
         SVSHAPE0[0:5] <- (0b0 || SVxd)   # xdim
+        SVSHAPE0[12:17] <- (0b0 || SVzd)   # zdim - "striding" (2D DCT)
         if (SVrm = 0b1010) | (SVrm = 0b1100) then
             SVSHAPE0[30:31] <- 0b11          # iDCT mode
             SVSHAPE0[18:20] <- 0b011         # iDCT Inner Butterfly sub-mode