diff options
Diffstat (limited to 'src/compiler/glsl/udivmod64.h')
| -rw-r--r-- | src/compiler/glsl/udivmod64.h | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/src/compiler/glsl/udivmod64.h b/src/compiler/glsl/udivmod64.h new file mode 100644 index 00000000000..b434e456a10 --- /dev/null +++ b/src/compiler/glsl/udivmod64.h @@ -0,0 +1,206 @@ +ir_function_signature * +udivmod64(void *mem_ctx, ir_factory &body) +{ + ir_function_signature *const sig = + new(mem_ctx) ir_function_signature(glsl_type::uvec4_type); + exec_list sig_parameters; + + ir_variable *const r0001 = new(mem_ctx) ir_variable(glsl_type::uvec2_type, "numer", ir_var_function_in); + sig_parameters.push_tail(r0001); + ir_variable *const r0002 = new(mem_ctx) ir_variable(glsl_type::uvec2_type, "denom", ir_var_function_in); + sig_parameters.push_tail(r0002); + ir_variable *const r0003 = new(mem_ctx) ir_variable(glsl_type::int_type, "i", ir_var_auto); + body.emit(r0003); + ir_variable *const r0004 = new(mem_ctx) ir_variable(glsl_type::uint64_t_type, "n64", ir_var_auto); + body.emit(r0004); + ir_variable *const r0005 = new(mem_ctx) ir_variable(glsl_type::int_type, "log2_denom", ir_var_auto); + body.emit(r0005); + ir_variable *const r0006 = new(mem_ctx) ir_variable(glsl_type::uvec2_type, "quot", ir_var_auto); + body.emit(r0006); + body.emit(assign(r0006, ir_constant::zero(mem_ctx, glsl_type::uvec2_type), 0x03)); + + ir_expression *const r0007 = expr(ir_unop_find_msb, swizzle_y(r0002)); + body.emit(assign(r0005, add(r0007, body.constant(int(32))), 0x01)); + + /* IF CONDITION */ + ir_expression *const r0009 = equal(swizzle_y(r0002), body.constant(0u)); + ir_expression *const r000A = nequal(swizzle_y(r0001), body.constant(0u)); + ir_expression *const r000B = logic_and(r0009, r000A); + ir_if *f0008 = new(mem_ctx) ir_if(operand(r000B).val); + exec_list *const f0008_parent_instructions = body.instructions; + + /* THEN INSTRUCTIONS */ + body.instructions = &f0008->then_instructions; + + ir_variable *const r000C = new(mem_ctx) ir_variable(glsl_type::int_type, "i", ir_var_auto); + body.emit(r000C); + ir_variable *const r000D = body.make_temp(glsl_type::int_type, "findMSB_retval"); + body.emit(assign(r000D, expr(ir_unop_find_msb, swizzle_x(r0002)), 0x01)); + + body.emit(assign(r0005, r000D, 0x01)); + + body.emit(assign(r000C, sub(body.constant(int(31)), r000D), 0x01)); + + /* LOOP BEGIN */ + ir_loop *f000E = new(mem_ctx) ir_loop(); + exec_list *const f000E_parent_instructions = body.instructions; + + body.instructions = &f000E->body_instructions; + + /* IF CONDITION */ + ir_expression *const r0010 = less(r000C, body.constant(int(1))); + ir_if *f000F = new(mem_ctx) ir_if(operand(r0010).val); + exec_list *const f000F_parent_instructions = body.instructions; + + /* THEN INSTRUCTIONS */ + body.instructions = &f000F->then_instructions; + + body.emit(new(mem_ctx) ir_loop_jump(ir_loop_jump::jump_break)); + + + body.instructions = f000F_parent_instructions; + body.emit(f000F); + + /* END IF */ + + /* IF CONDITION */ + ir_expression *const r0012 = lshift(swizzle_x(r0002), r000C); + ir_expression *const r0013 = lequal(r0012, swizzle_y(r0001)); + ir_if *f0011 = new(mem_ctx) ir_if(operand(r0013).val); + exec_list *const f0011_parent_instructions = body.instructions; + + /* THEN INSTRUCTIONS */ + body.instructions = &f0011->then_instructions; + + ir_expression *const r0014 = lshift(swizzle_x(r0002), r000C); + body.emit(assign(r0001, sub(swizzle_y(r0001), r0014), 0x02)); + + ir_expression *const r0015 = lshift(body.constant(1u), r000C); + body.emit(assign(r0006, bit_or(swizzle_y(r0006), r0015), 0x02)); + + + body.instructions = f0011_parent_instructions; + body.emit(f0011); + + /* END IF */ + + body.emit(assign(r000C, add(r000C, body.constant(int(-1))), 0x01)); + + /* LOOP END */ + + body.instructions = f000E_parent_instructions; + body.emit(f000E); + + /* IF CONDITION */ + ir_expression *const r0017 = lequal(swizzle_x(r0002), swizzle_y(r0001)); + ir_if *f0016 = new(mem_ctx) ir_if(operand(r0017).val); + exec_list *const f0016_parent_instructions = body.instructions; + + /* THEN INSTRUCTIONS */ + body.instructions = &f0016->then_instructions; + + body.emit(assign(r0001, sub(swizzle_y(r0001), swizzle_x(r0002)), 0x02)); + + body.emit(assign(r0006, bit_or(swizzle_y(r0006), body.constant(1u)), 0x02)); + + + body.instructions = f0016_parent_instructions; + body.emit(f0016); + + /* END IF */ + + + body.instructions = f0008_parent_instructions; + body.emit(f0008); + + /* END IF */ + + body.emit(assign(r0004, expr(ir_unop_pack_uint_2x32, r0001), 0x01)); + + ir_expression *const r0018 = sub(body.constant(int(63)), r0005); + body.emit(assign(r0003, expr(ir_binop_min, body.constant(int(31)), r0018), 0x01)); + + /* LOOP BEGIN */ + ir_loop *f0019 = new(mem_ctx) ir_loop(); + exec_list *const f0019_parent_instructions = body.instructions; + + body.instructions = &f0019->body_instructions; + + /* IF CONDITION */ + ir_expression *const r001B = less(r0003, body.constant(int(1))); + ir_if *f001A = new(mem_ctx) ir_if(operand(r001B).val); + exec_list *const f001A_parent_instructions = body.instructions; + + /* THEN INSTRUCTIONS */ + body.instructions = &f001A->then_instructions; + + body.emit(new(mem_ctx) ir_loop_jump(ir_loop_jump::jump_break)); + + + body.instructions = f001A_parent_instructions; + body.emit(f001A); + + /* END IF */ + + ir_variable *const r001C = body.make_temp(glsl_type::uint64_t_type, "assignment_tmp"); + ir_expression *const r001D = expr(ir_unop_pack_uint_2x32, r0002); + body.emit(assign(r001C, lshift(r001D, r0003), 0x01)); + + /* IF CONDITION */ + ir_expression *const r001F = lequal(r001C, r0004); + ir_if *f001E = new(mem_ctx) ir_if(operand(r001F).val); + exec_list *const f001E_parent_instructions = body.instructions; + + /* THEN INSTRUCTIONS */ + body.instructions = &f001E->then_instructions; + + body.emit(assign(r0004, sub(r0004, r001C), 0x01)); + + ir_expression *const r0020 = lshift(body.constant(1u), r0003); + body.emit(assign(r0006, bit_or(swizzle_x(r0006), r0020), 0x01)); + + + body.instructions = f001E_parent_instructions; + body.emit(f001E); + + /* END IF */ + + body.emit(assign(r0003, add(r0003, body.constant(int(-1))), 0x01)); + + /* LOOP END */ + + body.instructions = f0019_parent_instructions; + body.emit(f0019); + + ir_variable *const r0021 = body.make_temp(glsl_type::uint64_t_type, "packUint2x32_retval"); + body.emit(assign(r0021, expr(ir_unop_pack_uint_2x32, r0002), 0x01)); + + /* IF CONDITION */ + ir_expression *const r0023 = lequal(r0021, r0004); + ir_if *f0022 = new(mem_ctx) ir_if(operand(r0023).val); + exec_list *const f0022_parent_instructions = body.instructions; + + /* THEN INSTRUCTIONS */ + body.instructions = &f0022->then_instructions; + + ir_expression *const r0024 = expr(ir_unop_pack_uint_2x32, r0002); + body.emit(assign(r0004, sub(r0004, r0024), 0x01)); + + body.emit(assign(r0006, bit_or(swizzle_x(r0006), body.constant(1u)), 0x01)); + + + body.instructions = f0022_parent_instructions; + body.emit(f0022); + + /* END IF */ + + ir_variable *const r0025 = body.make_temp(glsl_type::uvec4_type, "vec_ctor"); + body.emit(assign(r0025, r0006, 0x03)); + + body.emit(assign(r0025, expr(ir_unop_unpack_uint_2x32, r0004), 0x0c)); + + body.emit(ret(r0025)); + + sig->replace_parameters(&sig_parameters); + return sig; +} |