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i965/vs: add vec4_instruction::depends_on_flags 

We're about to have an instruction that depends on the flags but isn't
predicated. This lays the groundwork.

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
This commit is contained in:
Chris Forbes 2013-08-16 06:54:30 +12:00
parent c5e2d0454b
commit 9e2c1e28a1
2 changed files with 7 additions and 2 deletions
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4
src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp
View File

@ -821,7 +821,7 @@ vec4_instruction_scheduler::calculate_deps()
add_dep(last_mrf_write[inst->base_mrf + i], n);
}
if (inst->predicate) {
if (inst->depends_on_flags()) {
assert(last_conditional_mod);
add_dep(last_conditional_mod, n);
}
@ -892,7 +892,7 @@ vec4_instruction_scheduler::calculate_deps()
add_dep(n, last_mrf_write[inst->base_mrf + i], 2);
}
if (inst->predicate) {
if (inst->depends_on_flags()) {
add_dep(n, last_conditional_mod);
}

5
src/mesa/drivers/dri/i965/brw_vec4.h
View File

@ -185,6 +185,11 @@ public:
bool is_send_from_grf();
bool can_reswizzle_dst(int dst_writemask, int swizzle, int swizzle_mask);
void reswizzle_dst(int dst_writemask, int swizzle);
bool depends_on_flags()
{
return predicate;
}
};
/**