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Merge branch 'main' of github.com:openhwgroup/cvw

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This commit is contained in:
Jacob Pease 2024-10-30 10:37:02 -05:00
commit ca1c09041a
2 changed files with 8 additions and 7 deletions
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3
bin/wsim
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@ -91,7 +91,8 @@ prefix = ""
if (args.lockstep or args.lockstepverbose or args.fcov or args.fcovimp):
if (args.sim == "questa" or args.sim == "vcs"):
prefix = "IMPERAS_TOOLS=" + WALLY + "/config/"+args.config+"/imperas.ic"
if (args.sim == "questa"):
# Force Questa to use 64-bit mode, sometimes it defaults to 32-bit even on 64-bit machines
if (args.sim == "questa"):
prefix = "MTI_VCO_MODE=64 " + prefix
if (args.lockstep or args.lockstepverbose):

2
src/fpu/fround.sv
View File

@ -76,7 +76,7 @@ module fround import cvw::*; #(parameter cvw_t P) (
assign Eeqm1 = ($signed(E) == -1);
// Logic for nonnegative mask and rounding bits
assign IMask = {1'b1, {P.NF{1'b0}}} >>> E; /// if E > Nf, this produces all 0s instead of all 1s. Hence exact handling is needed below.
assign IMask = $signed({1'b1, {P.NF{1'b0}}}) >>> E; /// if E > Nf, this produces all 0s instead of all 1s. Hence exact handling is needed below.
assign Tmasknonneg = ~IMask >>> 1'b1;
assign HotE = IMask & ~(IMask << 1'b1);
assign HotEP1 = HotE >> 1'b1;