From: Jesse Natalie Date: Mon, 25 May 2020 15:57:14 +0000 (-0700) Subject: nir: Add nir_address_format_32bit_offset_as_64bit X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=113458d3720c5a96d0ae0bb9260951056b9b31f8;p=mesa.git nir: Add nir_address_format_32bit_offset_as_64bit This new address mode is supported by nir_lower_explicit_io Reviewed-by: Jason Ekstrand Part-of: --- diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h index 4f3df940c99..61bf23a52a6 100644 --- a/src/compiler/nir/nir.h +++ b/src/compiler/nir/nir.h @@ -4110,6 +4110,11 @@ typedef enum { */ nir_address_format_32bit_offset, + /** + * An address format which is a simple 32-bit offset cast to 64-bit. + */ + nir_address_format_32bit_offset_as_64bit, + /** * An address format representing a purely logical addressing model. In * this model, all deref chains must be complete from the dereference @@ -4130,6 +4135,7 @@ nir_address_format_bit_size(nir_address_format addr_format) case nir_address_format_32bit_index_offset: return 32; case nir_address_format_vec2_index_32bit_offset: return 32; case nir_address_format_32bit_offset: return 32; + case nir_address_format_32bit_offset_as_64bit: return 64; case nir_address_format_logical: return 32; } unreachable("Invalid address format"); @@ -4145,6 +4151,7 @@ nir_address_format_num_components(nir_address_format addr_format) case nir_address_format_32bit_index_offset: return 2; case nir_address_format_vec2_index_32bit_offset: return 3; case nir_address_format_32bit_offset: return 1; + case nir_address_format_32bit_offset_as_64bit: return 1; case nir_address_format_logical: return 1; } unreachable("Invalid address format"); diff --git a/src/compiler/nir/nir_lower_io.c b/src/compiler/nir/nir_lower_io.c index fd5a713349e..cc1c456227a 100644 --- a/src/compiler/nir/nir_lower_io.c +++ b/src/compiler/nir/nir_lower_io.c @@ -692,17 +692,23 @@ build_addr_iadd(nir_builder *b, nir_ssa_def *addr, nir_address_format addr_format, nir_ssa_def *offset) { assert(offset->num_components == 1); - assert(addr->bit_size == offset->bit_size); switch (addr_format) { case nir_address_format_32bit_global: case nir_address_format_64bit_global: case nir_address_format_32bit_offset: + assert(addr->bit_size == offset->bit_size); assert(addr->num_components == 1); return nir_iadd(b, addr, offset); + case nir_address_format_32bit_offset_as_64bit: + assert(addr->num_components == 1); + assert(offset->bit_size == 32); + return nir_u2u64(b, nir_iadd(b, nir_u2u32(b, addr), offset)); + case nir_address_format_64bit_bounded_global: assert(addr->num_components == 4); + assert(addr->bit_size == offset->bit_size); return nir_vec4(b, nir_channel(b, addr, 0), nir_channel(b, addr, 1), nir_channel(b, addr, 2), @@ -710,10 +716,12 @@ build_addr_iadd(nir_builder *b, nir_ssa_def *addr, case nir_address_format_32bit_index_offset: assert(addr->num_components == 2); + assert(addr->bit_size == offset->bit_size); return nir_vec2(b, nir_channel(b, addr, 0), nir_iadd(b, nir_channel(b, addr, 1), offset)); case nir_address_format_vec2_index_32bit_offset: assert(addr->num_components == 3); + assert(offset->bit_size == 32); return nir_vec3(b, nir_channel(b, addr, 0), nir_channel(b, addr, 1), nir_iadd(b, nir_channel(b, addr, 2), offset)); case nir_address_format_logical: @@ -722,12 +730,21 @@ build_addr_iadd(nir_builder *b, nir_ssa_def *addr, unreachable("Invalid address format"); } +static unsigned +addr_get_offset_bit_size(nir_ssa_def *addr, nir_address_format addr_format) +{ + if (addr_format == nir_address_format_32bit_offset_as_64bit) + return 32; + return addr->bit_size; +} + static nir_ssa_def * build_addr_iadd_imm(nir_builder *b, nir_ssa_def *addr, nir_address_format addr_format, int64_t offset) { return build_addr_iadd(b, addr, addr_format, - nir_imm_intN_t(b, offset, addr->bit_size)); + nir_imm_intN_t(b, offset, + addr_get_offset_bit_size(addr, addr_format))); } static nir_ssa_def * @@ -749,14 +766,19 @@ static nir_ssa_def * addr_to_offset(nir_builder *b, nir_ssa_def *addr, nir_address_format addr_format) { - if (addr_format == nir_address_format_32bit_index_offset) { + switch (addr_format) { + case nir_address_format_32bit_index_offset: assert(addr->num_components == 2); return nir_channel(b, addr, 1); - } else if (addr_format == nir_address_format_vec2_index_32bit_offset) { + case nir_address_format_vec2_index_32bit_offset: assert(addr->num_components == 3); return nir_channel(b, addr, 2); - } else { - unreachable("bad address format for offset"); + case nir_address_format_32bit_offset: + return addr; + case nir_address_format_32bit_offset_as_64bit: + return nir_u2u32(b, addr); + default: + unreachable("Invalid address format"); } } @@ -772,7 +794,8 @@ addr_format_is_global(nir_address_format addr_format) static bool addr_format_is_offset(nir_address_format addr_format) { - return addr_format == nir_address_format_32bit_offset; + return addr_format == nir_address_format_32bit_offset || + addr_format == nir_address_format_32bit_offset_as_64bit; } static nir_ssa_def * @@ -793,6 +816,7 @@ addr_to_global(nir_builder *b, nir_ssa_def *addr, case nir_address_format_32bit_index_offset: case nir_address_format_vec2_index_32bit_offset: case nir_address_format_32bit_offset: + case nir_address_format_32bit_offset_as_64bit: case nir_address_format_logical: unreachable("Cannot get a 64-bit address with this address format"); } @@ -863,9 +887,9 @@ build_explicit_io_load(nir_builder *b, nir_intrinsic_instr *intrin, if (addr_format_is_global(addr_format)) { load->src[0] = nir_src_for_ssa(addr_to_global(b, addr, addr_format)); - } else if (addr_format == nir_address_format_32bit_offset) { + } else if (addr_format_is_offset(addr_format)) { assert(addr->num_components == 1); - load->src[0] = nir_src_for_ssa(addr); + load->src[0] = nir_src_for_ssa(addr_to_offset(b, addr, addr_format)); } else { load->src[0] = nir_src_for_ssa(addr_to_index(b, addr, addr_format)); load->src[1] = nir_src_for_ssa(addr_to_offset(b, addr, addr_format)); @@ -985,9 +1009,9 @@ build_explicit_io_store(nir_builder *b, nir_intrinsic_instr *intrin, store->src[0] = nir_src_for_ssa(value); if (addr_format_is_global(addr_format)) { store->src[1] = nir_src_for_ssa(addr_to_global(b, addr, addr_format)); - } else if (addr_format == nir_address_format_32bit_offset) { + } else if (addr_format_is_offset(addr_format)) { assert(addr->num_components == 1); - store->src[1] = nir_src_for_ssa(addr); + store->src[1] = nir_src_for_ssa(addr_to_offset(b, addr, addr_format)); } else { store->src[1] = nir_src_for_ssa(addr_to_index(b, addr, addr_format)); store->src[2] = nir_src_for_ssa(addr_to_offset(b, addr, addr_format)); @@ -1042,7 +1066,7 @@ build_explicit_io_atomic(nir_builder *b, nir_intrinsic_instr *intrin, op = global_atomic_for_deref(intrin->intrinsic); break; case nir_var_mem_shared: - assert(addr_format == nir_address_format_32bit_offset); + assert(addr_format_is_offset(addr_format)); op = shared_atomic_for_deref(intrin->intrinsic); break; default: @@ -1054,9 +1078,9 @@ build_explicit_io_atomic(nir_builder *b, nir_intrinsic_instr *intrin, unsigned src = 0; if (addr_format_is_global(addr_format)) { atomic->src[src++] = nir_src_for_ssa(addr_to_global(b, addr, addr_format)); - } else if (addr_format == nir_address_format_32bit_offset) { + } else if (addr_format_is_offset(addr_format)) { assert(addr->num_components == 1); - atomic->src[src++] = nir_src_for_ssa(addr); + atomic->src[src++] = nir_src_for_ssa(addr_to_offset(b, addr, addr_format)); } else { atomic->src[src++] = nir_src_for_ssa(addr_to_index(b, addr, addr_format)); atomic->src[src++] = nir_src_for_ssa(addr_to_offset(b, addr, addr_format)); @@ -1111,6 +1135,7 @@ nir_explicit_io_address_from_deref(nir_builder *b, nir_deref_instr *deref, return build_addr_iadd_imm(b, base_addr, addr_format, deref->var->data.driver_location); } else { + assert(deref->var->data.driver_location <= UINT32_MAX); return nir_imm_intN_t(b, deref->var->data.driver_location, deref->dest.ssa.bit_size); } @@ -1127,14 +1152,14 @@ nir_explicit_io_address_from_deref(nir_builder *b, nir_deref_instr *deref, assert(stride > 0); nir_ssa_def *index = nir_ssa_for_src(b, deref->arr.index, 1); - index = nir_i2i(b, index, base_addr->bit_size); + index = nir_i2i(b, index, addr_get_offset_bit_size(base_addr, addr_format)); return build_addr_iadd(b, base_addr, addr_format, nir_amul_imm(b, index, stride)); } case nir_deref_type_ptr_as_array: { nir_ssa_def *index = nir_ssa_for_src(b, deref->arr.index, 1); - index = nir_i2i(b, index, base_addr->bit_size); + index = nir_i2i(b, index, addr_get_offset_bit_size(base_addr, addr_format)); unsigned stride = nir_deref_instr_ptr_as_array_stride(deref); return build_addr_iadd(b, base_addr, addr_format, nir_amul_imm(b, index, stride)); @@ -1615,6 +1640,7 @@ nir_address_format_null_value(nir_address_format addr_format) [nir_address_format_32bit_index_offset] = {{.u32 = ~0}, {.u32 = ~0}}, [nir_address_format_vec2_index_32bit_offset] = {{.u32 = ~0}, {.u32 = ~0}, {.u32 = ~0}}, [nir_address_format_32bit_offset] = {{.u32 = ~0}}, + [nir_address_format_32bit_offset_as_64bit] = {{.u64 = ~0ull}}, [nir_address_format_logical] = {{.u32 = ~0}}, }; @@ -1635,6 +1661,10 @@ nir_build_addr_ieq(nir_builder *b, nir_ssa_def *addr0, nir_ssa_def *addr1, case nir_address_format_32bit_offset: return nir_ball_iequal(b, addr0, addr1); + case nir_address_format_32bit_offset_as_64bit: + assert(addr0->num_components == 1 && addr1->num_components == 1); + return nir_ieq(b, nir_u2u32(b, addr0), nir_u2u32(b, addr1)); + case nir_address_format_logical: unreachable("Unsupported address format"); } @@ -1654,6 +1684,11 @@ nir_build_addr_isub(nir_builder *b, nir_ssa_def *addr0, nir_ssa_def *addr1, assert(addr1->num_components == 1); return nir_isub(b, addr0, addr1); + case nir_address_format_32bit_offset_as_64bit: + assert(addr0->num_components == 1); + assert(addr1->num_components == 1); + return nir_u2u64(b, nir_isub(b, nir_u2u32(b, addr0), nir_u2u32(b, addr1))); + case nir_address_format_64bit_bounded_global: return nir_isub(b, addr_to_global(b, addr0, addr_format), addr_to_global(b, addr1, addr_format));