1 #include <stdlib.h> 2 #include <string.h> 3 #include <sys/types.h> 4 5 #include "radeon_compiler_util.h" 6 #include "radeon_program.h" 7 8 #include "r300_compiler_tests.h" 9 #include "rc_test_helpers.h" 10 #include "unit_test.h" 11 12 static void test_rc_inst_can_use_presub( 13 struct test_result * result, 14 int expected, 15 const char * add_str, 16 const char * replace_str) 17 { 18 struct rc_instruction add_inst, replace_inst; 19 int ret; 20 21 test_begin(result); 22 init_rc_normal_instruction(&add_inst, add_str); 23 init_rc_normal_instruction(&replace_inst, replace_str); 24 25 ret = rc_inst_can_use_presub(&replace_inst, RC_PRESUB_ADD, 0, 26 &replace_inst.U.I.SrcReg[0], 27 &add_inst.U.I.SrcReg[0], &add_inst.U.I.SrcReg[1]); 28 29 test_check(result, ret == expected); 30 } 31 32 static void test_runner_rc_inst_can_use_presub(struct test_result * result) 33 { 34 35 /* This tests the case where the source being replace has the same 36 * register file and register index as another source register in the 37 * CMP instruction. A previous version of this function was ignoring 38 * all registers that shared the same file and index as the replacement 39 * register when counting the number of source selects. 40 * 41 * https://bugs.freedesktop.org/show_bug.cgi?id=36527 42 */ 43 test_rc_inst_can_use_presub(result, 0, 44 "ADD temp[0].z, temp[6].__x_, const[1].__x_;", 45 "CMP temp[0].y, temp[0]._z__, const[0]._z__, temp[0]._y__;"); 46 47 48 /* Testing a random case that should fail 49 * 50 * https://bugs.freedesktop.org/show_bug.cgi?id=36527 51 */ 52 test_rc_inst_can_use_presub(result, 0, 53 "ADD temp[3], temp[1], temp[2];", 54 "MAD temp[1], temp[0], const[0].xxxx, -temp[3];"); 55 56 /* This tests the case where the arguments of the ADD 57 * instruction share the same register file and index. Normally, we 58 * would need only one source select for these two arguments, but since 59 * they will be part of a presubtract operation we need to use the two 60 * source selects that the presubtract instruction expects 61 * (src0 and src1). 62 * 63 * https://bugs.freedesktop.org/show_bug.cgi?id=36527 64 */ 65 test_rc_inst_can_use_presub(result, 0, 66 "ADD temp[3].x, temp[0].x___, temp[0].x___;", 67 "MAD temp[0].xyz, temp[2].xyz_, -temp[3].xxx_, input[5].xyz_;"); 68 } 69 70 void radeon_compiler_util_run_tests() 71 { 72 struct test tests[] = { 73 {"rc_inst_can_use_presub()", test_runner_rc_inst_can_use_presub}, 74 {NULL, NULL} 75 }; 76 run_tests(tests); 77 } 78
