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Add Support for Zmmul #122

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merged 1 commit into from
Jan 19, 2022
Merged

Add Support for Zmmul #122

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4 changes: 2 additions & 2 deletions model/riscv_insts_mext.sail
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Original file line number Diff line number Diff line change
Expand Up @@ -85,7 +85,7 @@ mapping clause encdec = MUL(rs2, rs1, rd, high, signed1, signed2)
<-> 0b0000001 @ rs2 @ rs1 @ encdec_mul_op(high, signed1, signed2) : bits(3) @ rd @ 0b0110011

function clause execute (MUL(rs2, rs1, rd, high, signed1, signed2)) = {
if haveMulDiv() then {
if haveMulDiv() | haveZmmul() then {
let rs1_val = X(rs1);
let rs2_val = X(rs2);
let rs1_int : int = if signed1 then signed(rs1_val) else unsigned(rs1_val);
Expand Down Expand Up @@ -177,7 +177,7 @@ mapping clause encdec = MULW(rs2, rs1, rd)
if sizeof(xlen) == 64

function clause execute (MULW(rs2, rs1, rd)) = {
if haveMulDiv() then {
if haveMulDiv() | haveZmmul() then {
let rs1_val = X(rs1)[31..0];
let rs2_val = X(rs2)[31..0];
let rs1_int : int = signed(rs1_val);
Expand Down
2 changes: 2 additions & 0 deletions model/riscv_sys_regs.sail
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Expand Up @@ -190,6 +190,8 @@ function haveZknh() -> bool = true
function haveZkne() -> bool = true
function haveZknd() -> bool = true

function haveZmmul() -> bool = true

bitfield Mstatush : bits(32) = {
MBE : 5,
SBE : 4
Expand Down