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i965/fs: Add code to print out global copy propagation sets.

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This was invaluable when debugging the global copy propagation
algorithm.  We may as well commit it in case someone needs to print
out the sets in the future.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
This commit is contained in:
Kenneth Graunke
2013-08-18 18:06:13 -07:00
parent 63ac68bae3
commit 9d08756ac7
1 changed files with 30 additions and 0 deletions
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30
src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
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@@ -83,6 +83,8 @@ public:
void setup_initial_values();
void run();
void dump_block_data() const;
void *mem_ctx;
cfg_t *cfg;
@@ -243,6 +245,34 @@ fs_copy_prop_dataflow::run()
} while (progress);
}
void
fs_copy_prop_dataflow::dump_block_data() const
{
for (int b = 0; b < cfg->num_blocks; b++) {
bblock_t *block = cfg->blocks[b];
printf("Block %d [%d, %d] (parents ", block->block_num,
block->start_ip, block->end_ip);
foreach_list(block_node, &block->parents) {
bblock_t *parent = ((bblock_link *) block_node)->block;
printf("%d ", parent->block_num);
}
printf("):\n");
printf(" livein = 0x");
for (int i = 0; i < bitset_words; i++)
printf("%08x", bd[b].livein[i]);
printf(", liveout = 0x");
for (int i = 0; i < bitset_words; i++)
printf("%08x", bd[b].liveout[i]);
printf(",\n copy = 0x");
for (int i = 0; i < bitset_words; i++)
printf("%08x", bd[b].copy[i]);
printf(", kill = 0x");
for (int i = 0; i < bitset_words; i++)
printf("%08x", bd[b].kill[i]);
printf("\n");
}
}
bool
fs_visitor::try_copy_propagate(fs_inst *inst, int arg, acp_entry *entry)
{