i965/vec4: We only support 32-bit integer ALU operations for now

Add asserts so we remember to address this when we enable 64-bit
integer support, as suggested by Connor and Jason.

Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Iago Toral Quiroga 2015-11-10 10:20:25 +01:00 committed by Samuel Iglesias Gonsálvez
parent 611fe6b32f
commit 4c040332f5

View file

@ -1130,9 +1130,9 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
break;
}
case nir_op_fadd:
/* fall through */
case nir_op_iadd:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
case nir_op_fadd:
inst = emit(ADD(dst, op[0], op[1]));
inst->saturate = instr->dest.saturate;
break;
@ -1143,6 +1143,7 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
break;
case nir_op_imul: {
assert(nir_dest_bit_size(instr->dest.dest) < 64);
if (devinfo->gen < 8) {
nir_const_value *value0 = nir_src_as_const_value(instr->src[0].src);
nir_const_value *value1 = nir_src_as_const_value(instr->src[1].src);
@ -1178,6 +1179,7 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
case nir_op_imul_high:
case nir_op_umul_high: {
assert(nir_dest_bit_size(instr->dest.dest) < 64);
struct brw_reg acc = retype(brw_acc_reg(8), dst.type);
if (devinfo->gen >= 8)
@ -1216,6 +1218,7 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
case nir_op_idiv:
case nir_op_udiv:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
emit_math(SHADER_OPCODE_INT_QUOTIENT, dst, op[0], op[1]);
break;
@ -1225,6 +1228,7 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
* appears that our hardware just does the right thing for signed
* remainder.
*/
assert(nir_dest_bit_size(instr->dest.dest) < 64);
emit_math(SHADER_OPCODE_INT_REMAINDER, dst, op[0], op[1]);
break;
@ -1278,6 +1282,7 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
break;
case nir_op_uadd_carry: {
assert(nir_dest_bit_size(instr->dest.dest) < 64);
struct brw_reg acc = retype(brw_acc_reg(8), BRW_REGISTER_TYPE_UD);
emit(ADDC(dst_null_ud(), op[0], op[1]));
@ -1286,6 +1291,7 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
}
case nir_op_usub_borrow: {
assert(nir_dest_bit_size(instr->dest.dest) < 64);
struct brw_reg acc = retype(brw_acc_reg(8), BRW_REGISTER_TYPE_UD);
emit(SUBB(dst_null_ud(), op[0], op[1]));
@ -1353,16 +1359,18 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
break;
}
case nir_op_fmin:
case nir_op_imin:
case nir_op_umin:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
case nir_op_fmin:
inst = emit_minmax(BRW_CONDITIONAL_L, dst, op[0], op[1]);
inst->saturate = instr->dest.saturate;
break;
case nir_op_fmax:
case nir_op_imax:
case nir_op_umax:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
case nir_op_fmax:
inst = emit_minmax(BRW_CONDITIONAL_GE, dst, op[0], op[1]);
inst->saturate = instr->dest.saturate;
break;
@ -1375,26 +1383,30 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
case nir_op_fddy_fine:
unreachable("derivatives are not valid in vertex shaders");
case nir_op_flt:
case nir_op_ilt:
case nir_op_ult:
case nir_op_fge:
case nir_op_ige:
case nir_op_uge:
case nir_op_feq:
case nir_op_ieq:
case nir_op_fne:
case nir_op_ine:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
/* Fallthrough */
case nir_op_flt:
case nir_op_fge:
case nir_op_feq:
case nir_op_fne:
emit(CMP(dst, op[0], op[1],
brw_conditional_for_nir_comparison(instr->op)));
break;
case nir_op_ball_fequal2:
case nir_op_ball_iequal2:
case nir_op_ball_fequal3:
case nir_op_ball_iequal3:
case nir_op_ball_fequal4:
case nir_op_ball_iequal4: {
case nir_op_ball_iequal4:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
/* Fallthrough */
case nir_op_ball_fequal2:
case nir_op_ball_fequal3:
case nir_op_ball_fequal4: {
unsigned swiz =
brw_swizzle_for_size(nir_op_infos[instr->op].input_sizes[0]);
@ -1406,12 +1418,14 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
break;
}
case nir_op_bany_fnequal2:
case nir_op_bany_inequal2:
case nir_op_bany_fnequal3:
case nir_op_bany_inequal3:
case nir_op_bany_fnequal4:
case nir_op_bany_inequal4: {
case nir_op_bany_inequal4:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
/* Fallthrough */
case nir_op_bany_fnequal2:
case nir_op_bany_fnequal3:
case nir_op_bany_fnequal4: {
unsigned swiz =
brw_swizzle_for_size(nir_op_infos[instr->op].input_sizes[0]);
@ -1425,6 +1439,7 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
}
case nir_op_inot:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
if (devinfo->gen >= 8) {
op[0] = resolve_source_modifiers(op[0]);
}
@ -1432,6 +1447,7 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
break;
case nir_op_ixor:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
if (devinfo->gen >= 8) {
op[0] = resolve_source_modifiers(op[0]);
op[1] = resolve_source_modifiers(op[1]);
@ -1440,6 +1456,7 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
break;
case nir_op_ior:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
if (devinfo->gen >= 8) {
op[0] = resolve_source_modifiers(op[0]);
op[1] = resolve_source_modifiers(op[1]);
@ -1448,6 +1465,7 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
break;
case nir_op_iand:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
if (devinfo->gen >= 8) {
op[0] = resolve_source_modifiers(op[0]);
op[1] = resolve_source_modifiers(op[1]);
@ -1533,34 +1551,42 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
break;
case nir_op_unpack_unorm_4x8:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
emit_unpack_unorm_4x8(dst, op[0]);
break;
case nir_op_pack_unorm_4x8:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
emit_pack_unorm_4x8(dst, op[0]);
break;
case nir_op_unpack_snorm_4x8:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
emit_unpack_snorm_4x8(dst, op[0]);
break;
case nir_op_pack_snorm_4x8:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
emit_pack_snorm_4x8(dst, op[0]);
break;
case nir_op_bitfield_reverse:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
emit(BFREV(dst, op[0]));
break;
case nir_op_bit_count:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
emit(CBIT(dst, op[0]));
break;
case nir_op_ufind_msb:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
emit_find_msb_using_lzd(vec4_builder(this).at_end(), dst, op[0], false);
break;
case nir_op_ifind_msb: {
assert(nir_dest_bit_size(instr->dest.dest) < 64);
vec4_builder bld = vec4_builder(this).at_end();
src_reg src(dst);
@ -1584,6 +1610,7 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
}
case nir_op_find_lsb: {
assert(nir_dest_bit_size(instr->dest.dest) < 64);
vec4_builder bld = vec4_builder(this).at_end();
if (devinfo->gen < 7) {
@ -1614,6 +1641,7 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
unreachable("should have been lowered");
case nir_op_ubfe:
case nir_op_ibfe:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
op[0] = fix_3src_operand(op[0]);
op[1] = fix_3src_operand(op[1]);
op[2] = fix_3src_operand(op[2]);
@ -1622,10 +1650,12 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
break;
case nir_op_bfm:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
emit(BFI1(dst, op[0], op[1]));
break;
case nir_op_bfi:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
op[0] = fix_3src_operand(op[0]);
op[1] = fix_3src_operand(op[1]);
op[2] = fix_3src_operand(op[2]);
@ -1663,6 +1693,7 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
* -> non-negative val generates 0x00000000.
* Predicated OR sets 1 if val is positive.
*/
assert(nir_dest_bit_size(instr->dest.dest) < 64);
emit(CMP(dst_null_d(), op[0], brw_imm_d(0), BRW_CONDITIONAL_G));
emit(ASR(dst, op[0], brw_imm_d(31)));
inst = emit(OR(dst, src_reg(dst), brw_imm_d(1)));
@ -1670,14 +1701,17 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
break;
case nir_op_ishl:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
emit(SHL(dst, op[0], op[1]));
break;
case nir_op_ishr:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
emit(ASR(dst, op[0], op[1]));
break;
case nir_op_ushr:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
emit(SHR(dst, op[0], op[1]));
break;
@ -1741,10 +1775,11 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
inst->saturate = instr->dest.saturate;
break;
case nir_op_fabs:
case nir_op_iabs:
case nir_op_fneg:
case nir_op_ineg:
assert(nir_dest_bit_size(instr->dest.dest) < 64);
case nir_op_fabs:
case nir_op_fneg:
case nir_op_fsat:
unreachable("not reached: should be lowered by lower_source mods");