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i965/fs: Preserve CFG in the SEL peephole.

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Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
This commit is contained in:
Matt Turner 2014-07-16 21:51:19 -07:00
parent 81755bc67b
commit 1db74a423f
1 changed files with 9 additions and 6 deletions
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15
src/mesa/drivers/dri/i965/brw_fs_sel_peephole.cpp
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@ -212,23 +212,26 @@ fs_visitor::opt_peephole_sel()
if (brw->gen == 6 && if_inst->conditional_mod) {
fs_inst *cmp_inst = CMP(reg_null_d, if_inst->src[0], if_inst->src[1],
if_inst->conditional_mod);
if_inst->insert_before(cmp_inst);
if_inst->insert_before(block, cmp_inst);
}
bblock_t *then_block = (bblock_t *)block->link.next;
bblock_t *else_block = (bblock_t *)block->else_block->link.next;
for (int i = 0; i < movs; i++) {
if (mov_imm_inst[i])
if_inst->insert_before(mov_imm_inst[i]);
if_inst->insert_before(sel_inst[i]);
if_inst->insert_before(block, mov_imm_inst[i]);
if_inst->insert_before(block, sel_inst[i]);
then_mov[i]->remove();
else_mov[i]->remove();
then_mov[i]->remove(then_block);
else_mov[i]->remove(else_block);
}
progress = true;
}
if (progress)
invalidate_live_intervals();
invalidate_live_intervals(false);
return progress;
}