[Libre-soc-bugs] [Bug 671] convert spec pseudocode to use XLEN width

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Tue Aug 31 00:53:59 BST 2021


--- Comment #51 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
-    EA <- b + EXTS(D)
-    RT <- [0]*56 || MEM(EA, 1)
+    EA <- b + EXTSREG(D)
+    RT <- ([0] * (XLEN-8)) || MEM(EA, 1)

nope, sorry dmitry, i said we musn't add new
helper functions, unless there is an absolute
critical need that there is absolutely no other

in this case EXTS already does the job due to
already having been designed to do "dynamic"
bitlength (setting bits to 256).

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