diff options
Diffstat (limited to 'src/intel')
| -rw-r--r-- | src/intel/compiler/brw_vec4_nir.cpp | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/intel/compiler/brw_vec4_nir.cpp b/src/intel/compiler/brw_vec4_nir.cpp index 4c3a2d2e10a..124714b59de 100644 --- a/src/intel/compiler/brw_vec4_nir.cpp +++ b/src/intel/compiler/brw_vec4_nir.cpp @@ -709,9 +709,20 @@ vec4_visitor::nir_emit_intrinsic(nir_intrinsic_instr *instr) break; } - case nir_intrinsic_ssbo_atomic_add: - nir_emit_ssbo_atomic(BRW_AOP_ADD, instr); + case nir_intrinsic_ssbo_atomic_add: { + int op = BRW_AOP_ADD; + const nir_const_value *const val = nir_src_as_const_value(instr->src[2]); + + if (val != NULL) { + if (val->i32[0] == 1) + op = BRW_AOP_INC; + else if (val->i32[0] == -1) + op = BRW_AOP_DEC; + } + + nir_emit_ssbo_atomic(op, instr); break; + } case nir_intrinsic_ssbo_atomic_imin: nir_emit_ssbo_atomic(BRW_AOP_IMIN, instr); break; @@ -937,7 +948,9 @@ vec4_visitor::nir_emit_ssbo_atomic(int op, nir_intrinsic_instr *instr) } src_reg offset = get_nir_src(instr->src[1], 1); - src_reg data1 = get_nir_src(instr->src[2], 1); + src_reg data1; + if (op != BRW_AOP_INC && op != BRW_AOP_DEC && op != BRW_AOP_PREDEC) + data1 = get_nir_src(instr->src[2], 1); src_reg data2; if (op == BRW_AOP_CMPWR) data2 = get_nir_src(instr->src[3], 1); |