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removed underflow from inexactct calculation

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This commit is contained in:
Katherine Parry 2022-07-18 17:51:18 +00:00
parent d6f1fc12db
commit 7268b4b334
3 changed files with 3 additions and 3 deletions
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2
pipelined/regression/sim-wally
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@ -1,2 +1,2 @@
vsim -do "do wally-pipelined.do rv64gc arch64d" vsim -do "do wally-pipelined.do rv32gc wally32periph"

2
pipelined/src/fpu/flags.sv
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@ -131,7 +131,7 @@ module flags(
// Set Inexact flag if the res is diffrent from what would be outputed given infinite precision // Set Inexact flag if the res is diffrent from what would be outputed given infinite precision
// - Don't set the underflow flag if an underflowed res isn't outputed // - Don't set the underflow flag if an underflowed res isn't outputed
assign FpInexact = (S|Overflow|R|Underflow)&~(InfIn|NaNIn|DivByZero); assign FpInexact = (S|Overflow|R)&~(InfIn|NaNIn|DivByZero);
// if the res is too small to be represented and not 0 // if the res is too small to be represented and not 0
// | and if the res is not invalid (outside the integer bounds) // | and if the res is not invalid (outside the integer bounds)

2
pipelined/testbench/testbench.sv
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@ -114,7 +114,7 @@ logic [3:0] dummy;
"arch32f": if (`F_SUPPORTED) tests = arch32f; "arch32f": if (`F_SUPPORTED) tests = arch32f;
"imperas32i": tests = imperas32i; "imperas32i": tests = imperas32i;
"imperas32f": if (`F_SUPPORTED) tests = imperas32f; "imperas32f": if (`F_SUPPORTED) tests = imperas32f;
"wally32d": if (`D_SUPPORTED) tests = wally32d; // "wally32d": if (`D_SUPPORTED) tests = wally32d;
"imperas32m": if (`M_SUPPORTED) tests = imperas32m; "imperas32m": if (`M_SUPPORTED) tests = imperas32m;
"wally32a": if (`A_SUPPORTED) tests = wally32a; "wally32a": if (`A_SUPPORTED) tests = wally32a;
"imperas32c": if (`C_SUPPORTED) tests = imperas32c; "imperas32c": if (`C_SUPPORTED) tests = imperas32c;