static bool
test_compact_instruction(struct brw_compile *p, brw_inst src)
{
- struct brw_context *brw = p->brw;
-
brw_compact_inst dst;
memset(&dst, 0xd0, sizeof(dst));
- if (brw_try_compact_instruction(brw, &dst, &src)) {
+ if (brw_try_compact_instruction(p->devinfo, &dst, &src)) {
brw_inst uncompacted;
- brw_uncompact_instruction(brw, &uncompacted, &dst);
+ brw_uncompact_instruction(p->devinfo, &uncompacted, &dst);
if (memcmp(&uncompacted, &src, sizeof(src))) {
- brw_debug_compact_uncompact(brw, &src, &uncompacted);
+ brw_debug_compact_uncompact(p->devinfo, &src, &uncompacted);
return false;
}
} else {
if (memcmp(&unchanged, &dst, sizeof(dst))) {
fprintf(stderr, "Failed to compact, but dst changed\n");
fprintf(stderr, " Instruction: ");
- brw_disassemble_inst(stderr, brw, &src, false);
+ brw_disassemble_inst(stderr, p->devinfo, &src, false);
return false;
}
}
* become meaningless once fuzzing twiddles a related bit.
*/
static void
-clear_pad_bits(const struct brw_context *brw, brw_inst *inst)
+clear_pad_bits(const struct brw_device_info *devinfo, brw_inst *inst)
{
- if (brw_inst_opcode(brw, inst) != BRW_OPCODE_SEND &&
- brw_inst_opcode(brw, inst) != BRW_OPCODE_SENDC &&
- brw_inst_opcode(brw, inst) != BRW_OPCODE_BREAK &&
- brw_inst_opcode(brw, inst) != BRW_OPCODE_CONTINUE &&
- brw_inst_src0_reg_file(brw, inst) != BRW_IMMEDIATE_VALUE &&
- brw_inst_src1_reg_file(brw, inst) != BRW_IMMEDIATE_VALUE) {
+ if (brw_inst_opcode(devinfo, inst) != BRW_OPCODE_SEND &&
+ brw_inst_opcode(devinfo, inst) != BRW_OPCODE_SENDC &&
+ brw_inst_opcode(devinfo, inst) != BRW_OPCODE_BREAK &&
+ brw_inst_opcode(devinfo, inst) != BRW_OPCODE_CONTINUE &&
+ brw_inst_src0_reg_file(devinfo, inst) != BRW_IMMEDIATE_VALUE &&
+ brw_inst_src1_reg_file(devinfo, inst) != BRW_IMMEDIATE_VALUE) {
brw_inst_set_bits(inst, 127, 111, 0);
}
}
static bool
-skip_bit(const struct brw_context *brw, brw_inst *src, int bit)
+skip_bit(const struct brw_device_info *devinfo, brw_inst *src, int bit)
{
/* pad bit */
if (bit == 7)
return true;
/* sometimes these are pad bits. */
- if (brw_inst_opcode(brw, src) != BRW_OPCODE_SEND &&
- brw_inst_opcode(brw, src) != BRW_OPCODE_SENDC &&
- brw_inst_opcode(brw, src) != BRW_OPCODE_BREAK &&
- brw_inst_opcode(brw, src) != BRW_OPCODE_CONTINUE &&
- brw_inst_src0_reg_file(brw, src) != BRW_IMMEDIATE_VALUE &&
- brw_inst_src1_reg_file(brw, src) != BRW_IMMEDIATE_VALUE &&
+ if (brw_inst_opcode(devinfo, src) != BRW_OPCODE_SEND &&
+ brw_inst_opcode(devinfo, src) != BRW_OPCODE_SENDC &&
+ brw_inst_opcode(devinfo, src) != BRW_OPCODE_BREAK &&
+ brw_inst_opcode(devinfo, src) != BRW_OPCODE_CONTINUE &&
+ brw_inst_src0_reg_file(devinfo, src) != BRW_IMMEDIATE_VALUE &&
+ brw_inst_src1_reg_file(devinfo, src) != BRW_IMMEDIATE_VALUE &&
bit >= 121) {
return true;
}
test_fuzz_compact_instruction(struct brw_compile *p, brw_inst src)
{
for (int bit0 = 0; bit0 < 128; bit0++) {
- if (skip_bit(p->brw, &src, bit0))
+ if (skip_bit(p->devinfo, &src, bit0))
continue;
for (int bit1 = 0; bit1 < 128; bit1++) {
brw_inst instr = src;
uint32_t *bits = (uint32_t *)&instr;
- if (skip_bit(p->brw, &src, bit1))
+ if (skip_bit(p->devinfo, &src, bit1))
continue;
bits[bit0 / 32] ^= (1 << (bit0 & 31));
bits[bit1 / 32] ^= (1 << (bit1 & 31));
- clear_pad_bits(p->brw, &instr);
+ clear_pad_bits(p->devinfo, &instr);
if (!test_compact_instruction(p, instr)) {
printf(" twiddled bits for fuzzing %d, %d\n", bit0, bit1);
brw_push_insn_state(p);
brw_set_default_predicate_control(p, true);
brw_inst *mov = brw_MOV(p, g0, g2);
- brw_inst_set_flag_subreg_nr(p->brw, mov, 1);
+ brw_inst_set_flag_subreg_nr(p->devinfo, mov, 1);
brw_pop_insn_state(p);
}
};
static bool
-run_tests(struct brw_context *brw)
+run_tests(const struct brw_device_info *devinfo)
{
bool fail = false;
for (int i = 0; i < ARRAY_SIZE(tests); i++) {
for (int align_16 = 0; align_16 <= 1; align_16++) {
struct brw_compile *p = rzalloc(NULL, struct brw_compile);
- brw_init_compile(brw, p, p);
+ brw_init_compile(devinfo, p, p);
brw_set_default_predicate_control(p, BRW_PREDICATE_NONE);
if (align_16)
int
main(int argc, char **argv)
{
- struct brw_context *brw = calloc(1, sizeof(*brw));
- brw->gen = 6;
+ struct brw_device_info *devinfo = calloc(1, sizeof(*devinfo));
+ devinfo->gen = 6;
bool fail = false;
- for (brw->gen = 6; brw->gen <= 7; brw->gen++) {
- fail |= run_tests(brw);
+ for (devinfo->gen = 6; devinfo->gen <= 7; devinfo->gen++) {
+ fail |= run_tests(devinfo);
}
return fail;