HIFIVE1-VP/riscv/gen_input/RV64M.core_desc

41 lines
1.3 KiB
Plaintext
Raw Normal View History

2017-08-27 12:10:38 +02:00
import "RV64IBase.core_desc"
InsructionSet RV64M extends RV64IBase {
instructions{
MULW{
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b0111011;
2018-11-24 20:29:24 +01:00
args_disass:"{name(rd)}, {name(rs1)}, {name(rs2)}";
if(rd != 0){
X[rd]<= X[rs1] * X[rs2];
}
}
DIVW {
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b100 | rd[4:0] | b0111011;
2018-11-24 20:29:24 +01:00
args_disass:"{name(rd)}, {name(rs1)}, {name(rs2)}";
if(rd != 0){
X[rd] <= X[rs1]s / X[rs2]s;
}
}
DIVUW {
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b101 | rd[4:0] | b0111011;
2018-11-24 20:29:24 +01:00
args_disass:"{name(rd)}, {name(rs1)}, {name(rs2)}";
if(rd != 0){
X[rd] <= X[rs1] / X[rs2];
}
}
REMW {
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b110 | rd[4:0] | b0111011;
2018-11-24 20:29:24 +01:00
args_disass:"{name(rd)}, {name(rs1)}, {name(rs2)}";
if(rd != 0){
X[rd] <= X[rs1]s % X[rs2]s;
}
}
REMUW {
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b111 | rd[4:0] | b0111011;
2018-11-24 20:29:24 +01:00
args_disass:"{name(rd)}, {name(rs1)}, {name(rs2)}";
if(rd != 0){
X[rd] <= X[rs1] % X[rs2];
}
}
}
2017-08-27 12:10:38 +02:00
}