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fix(vnclip): use uimm instead of imm for vnclip_wi instructions #668

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merged 1 commit into from
Nov 21, 2024
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fix(vnclip): use uimm instead of imm for vnclip_wi instructions #668

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10 changes: 8 additions & 2 deletions src/isa/riscv64/instr/rvv/vcompute_impl.c
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Original file line number Diff line number Diff line change
Expand Up @@ -584,8 +584,14 @@ void arthimetic_instr(int opcode, int is_signed, int widening, int narrow, int d
break;
case SRC_VI :
shift_mask = 0x1f;
if(is_signed) rtl_li(s, s1, s->isa.instr.v_opsimm.v_simm5);
else {
if(is_signed) {
if (opcode == NCLIP) {
// vnclip use unsigned imm, signed vs2
rtl_li(s, s1, s->isa.instr.v_opimm.v_imm5);
} else {
rtl_li(s, s1, s->isa.instr.v_opsimm.v_simm5);
}
} else {
if (opcode == MSLEU || opcode == MSGTU || opcode == SADDU) {
rtl_li(s, s1, s->isa.instr.v_opsimm.v_simm5);
switch (vtype->vsew) {
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