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/*
* Copyright 2011 Tom Stellard <tstellar@gmail.com>
*
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include "radeon_compiler_util.h"
#include "radeon_program.h"
#include "r300_compiler_tests.h"
#include "rc_test_helpers.h"
#include "unit_test.h"
static void test_rc_inst_can_use_presub(
struct test_result * result,
int expected,
const char * add_str,
const char * replace_str)
{
struct rc_instruction add_inst, replace_inst;
int ret;
test_begin(result);
init_rc_normal_instruction(&add_inst, add_str);
init_rc_normal_instruction(&replace_inst, replace_str);
ret = rc_inst_can_use_presub(&replace_inst, RC_PRESUB_ADD, 0,
&replace_inst.U.I.SrcReg[0],
&add_inst.U.I.SrcReg[0], &add_inst.U.I.SrcReg[1]);
test_check(result, ret == expected);
}
static void test_runner_rc_inst_can_use_presub(struct test_result * result)
{
/* This tests the case where the source being replace has the same
* register file and register index as another source register in the
* CMP instruction. A previous version of this function was ignoring
* all registers that shared the same file and index as the replacement
* register when counting the number of source selects.
*
* https://bugs.freedesktop.org/show_bug.cgi?id=36527
*/
test_rc_inst_can_use_presub(result, 0,
"ADD temp[0].z, temp[6].__x_, const[1].__x_;",
"CMP temp[0].y, temp[0]._z__, const[0]._z__, temp[0]._y__;");
/* Testing a random case that should fail
*
* https://bugs.freedesktop.org/show_bug.cgi?id=36527
*/
test_rc_inst_can_use_presub(result, 0,
"ADD temp[3], temp[1], temp[2];",
"MAD temp[1], temp[0], const[0].xxxx, -temp[3];");
/* This tests the case where the arguments of the ADD
* instruction share the same register file and index. Normally, we
* would need only one source select for these two arguments, but since
* they will be part of a presubtract operation we need to use the two
* source selects that the presubtract instruction expects
* (src0 and src1).
*
* https://bugs.freedesktop.org/show_bug.cgi?id=36527
*/
test_rc_inst_can_use_presub(result, 0,
"ADD temp[3].x, temp[0].x___, temp[0].x___;",
"MAD temp[0].xyz, temp[2].xyz_, -temp[3].xxx_, input[5].xyz_;");
}
unsigned radeon_compiler_util_run_tests()
{
static struct test tests[] = {
{"rc_inst_can_use_presub()", test_runner_rc_inst_can_use_presub},
{NULL, NULL}
};
return run_tests(tests);
}
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