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i965/fs: Use reads_flag and writes_flag methods in the scheduler.

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Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
This commit is contained in:
Matt Turner
2013-10-22 16:23:27 -07:00
parent 20d0297ff2
commit a93d54eb68
1 changed files with 4 additions and 12 deletions
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src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp
+4 -12
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@@ -645,7 +645,7 @@ fs_instruction_scheduler::calculate_deps()
}
}
if (inst->predicate) {
if (inst->reads_flag()) {
add_dep(last_conditional_mod[inst->flag_subreg], n);
}
@@ -692,11 +692,7 @@ fs_instruction_scheduler::calculate_deps()
}
}
/* Treat FS_OPCODE_MOV_DISPATCH_TO_FLAGS as though it had a
* conditional_mod, because it sets the flag register.
*/
if (inst->conditional_mod ||
inst->opcode == FS_OPCODE_MOV_DISPATCH_TO_FLAGS) {
if (inst->writes_flag()) {
add_dep(last_conditional_mod[inst->flag_subreg], n, 0);
last_conditional_mod[inst->flag_subreg] = n;
}
@@ -755,7 +751,7 @@ fs_instruction_scheduler::calculate_deps()
}
}
if (inst->predicate) {
if (inst->reads_flag()) {
add_dep(n, last_conditional_mod[inst->flag_subreg]);
}
@@ -800,11 +796,7 @@ fs_instruction_scheduler::calculate_deps()
}
}
/* Treat FS_OPCODE_MOV_DISPATCH_TO_FLAGS as though it had a
* conditional_mod, because it sets the flag register.
*/
if (inst->conditional_mod ||
inst->opcode == FS_OPCODE_MOV_DISPATCH_TO_FLAGS) {
if (inst->writes_flag()) {
last_conditional_mod[inst->flag_subreg] = n;
}
}