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-rw-r--r--src/amd/compiler/aco_instruction_selection.cpp8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp
index d3a0d3b17bb..6156f7cff9f 100644
--- a/src/amd/compiler/aco_instruction_selection.cpp
+++ b/src/amd/compiler/aco_instruction_selection.cpp
@@ -1976,8 +1976,12 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr)
}
case nir_op_i2i64: {
Temp src = get_alu_src(ctx, instr->src[0]);
- if (instr->src[0].src.ssa->bit_size == 32) {
- bld.pseudo(aco_opcode::p_create_vector, Definition(dst), src, Operand(0u));
+ if (src.regClass() == s1) {
+ Temp high = bld.sopc(aco_opcode::s_ashr_i32, bld.def(s1, scc), src, Operand(31u));
+ bld.pseudo(aco_opcode::p_create_vector, Definition(dst), src, high);
+ } else if (src.regClass() == v1) {
+ Temp high = bld.vop2(aco_opcode::v_ashrrev_i32, bld.def(v1), Operand(31u), src);
+ bld.pseudo(aco_opcode::p_create_vector, Definition(dst), src, high);
} else {
fprintf(stderr, "Unimplemented NIR instr bit size: ");
nir_print_instr(&instr->instr, stderr);