From a4e42937cb0545d6ace1e03e70ba801b34d749de Mon Sep 17 00:00:00 2001 From: Luke Kenneth Casson Leighton Date: Fri, 19 Mar 2021 23:40:38 +0000 Subject: [PATCH] more comments for TestIssuer when adding predication --- src/soc/simple/issuer.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/soc/simple/issuer.py b/src/soc/simple/issuer.py index 805940c7..2d02ea1a 100644 --- a/src/soc/simple/issuer.py +++ b/src/soc/simple/issuer.py @@ -469,6 +469,9 @@ class TestIssuerInternal(Elaboratable): # from self.srcmask and self.dstmask # https://bugs.libre-soc.org/show_bug.cgi?id=617#c3 # but still without exceeding VL in either case + # IMPORTANT: when changing src/dest step, have to + # jump to m.next = "DECODE_SV" to deal with the change in + # SVSTATE comb += exec_insn_valid_i.eq(1) # trigger execute with m.If(exec_insn_ready_o): # execute acknowledged us m.next = "EXECUTE_WAIT" -- 2.30.2