diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/intel/compiler/brw_fs_nir.cpp | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/src/intel/compiler/brw_fs_nir.cpp b/src/intel/compiler/brw_fs_nir.cpp index 62bff2a323a..1b7ed5e92cc 100644 --- a/src/intel/compiler/brw_fs_nir.cpp +++ b/src/intel/compiler/brw_fs_nir.cpp @@ -3604,6 +3604,21 @@ fs_visitor::nir_emit_fs_intrinsic(const fs_builder &bld, } } +static int +get_op_for_atomic_add(nir_intrinsic_instr *instr, unsigned src) +{ + const nir_const_value *const val = nir_src_as_const_value(instr->src[src]); + + if (val != NULL) { + if (val->i32[0] == 1) + return BRW_AOP_INC; + else if (val->i32[0] == -1) + return BRW_AOP_DEC; + } + + return BRW_AOP_ADD; +} + void fs_visitor::nir_emit_cs_intrinsic(const fs_builder &bld, nir_intrinsic_instr *instr) @@ -3660,7 +3675,7 @@ fs_visitor::nir_emit_cs_intrinsic(const fs_builder &bld, } case nir_intrinsic_shared_atomic_add: - nir_emit_shared_atomic(bld, BRW_AOP_ADD, instr); + nir_emit_shared_atomic(bld, get_op_for_atomic_add(instr, 1), instr); break; case nir_intrinsic_shared_atomic_imin: nir_emit_shared_atomic(bld, BRW_AOP_IMIN, instr); @@ -4378,7 +4393,7 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld, nir_intrinsic_instr *instr } case nir_intrinsic_ssbo_atomic_add: - nir_emit_ssbo_atomic(bld, BRW_AOP_ADD, instr); + nir_emit_ssbo_atomic(bld, get_op_for_atomic_add(instr, 2), instr); break; case nir_intrinsic_ssbo_atomic_imin: nir_emit_ssbo_atomic(bld, BRW_AOP_IMIN, instr); @@ -4889,7 +4904,9 @@ fs_visitor::nir_emit_ssbo_atomic(const fs_builder &bld, } fs_reg offset = get_nir_src(instr->src[1]); - fs_reg data1 = get_nir_src(instr->src[2]); + fs_reg data1; + if (op != BRW_AOP_INC && op != BRW_AOP_DEC && op != BRW_AOP_PREDEC) + data1 = get_nir_src(instr->src[2]); fs_reg data2; if (op == BRW_AOP_CMPWR) data2 = get_nir_src(instr->src[3]); @@ -4963,7 +4980,9 @@ fs_visitor::nir_emit_shared_atomic(const fs_builder &bld, fs_reg surface = brw_imm_ud(GEN7_BTI_SLM); fs_reg offset; - fs_reg data1 = get_nir_src(instr->src[1]); + fs_reg data1; + if (op != BRW_AOP_INC && op != BRW_AOP_DEC && op != BRW_AOP_PREDEC) + data1 = get_nir_src(instr->src[1]); fs_reg data2; if (op == BRW_AOP_CMPWR) data2 = get_nir_src(instr->src[2]); |