diff options
| author | Alyssa Rosenzweig <[email protected]> | 2019-10-03 16:13:13 -0400 |
|---|---|---|
| committer | Alyssa Rosenzweig <[email protected]> | 2019-10-03 22:29:50 -0400 |
| commit | 846e5d5ba82abea9fcba3a7a763f5d57a03269b3 (patch) | |
| tree | 03bfed594c7e386fae147af0f73a5fa3e527e357 /src/panfrost/midgard | |
| parent | 013cd6bed2c6d2e3ba8a720c447cc33206ed56ae (diff) | |
pan/midgard: Don't try to OR live_in of successors
By definition, once liveness analysis has occurred:
live_out = OR {succ} succ->live_in
Signed-off-by: Alyssa Rosenzweig <[email protected]>
Diffstat (limited to 'src/panfrost/midgard')
| -rw-r--r-- | src/panfrost/midgard/midgard_ra.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/src/panfrost/midgard/midgard_ra.c b/src/panfrost/midgard/midgard_ra.c index 211c4f4d497..dacc0d9106e 100644 --- a/src/panfrost/midgard/midgard_ra.c +++ b/src/panfrost/midgard/midgard_ra.c @@ -26,6 +26,7 @@ #include "midgard_ops.h" #include "util/register_allocate.h" #include "util/u_math.h" +#include "util/u_memory.h" /* For work registers, we can subdivide in various ways. So we create * classes for the various sizes and conflict accordingly, keeping in @@ -553,12 +554,7 @@ mir_compute_interference( * end of each block and walk the block backwards. */ mir_foreach_block(ctx, blk) { - uint8_t *live = calloc(ctx->temp_count, 1); - - mir_foreach_successor(blk, succ) { - for (unsigned i = 0; i < ctx->temp_count; ++i) - live[i] |= succ->live_in[i]; - } + uint8_t *live = mem_dup(blk->live_out, ctx->temp_count * sizeof(uint8_t)); mir_foreach_instr_in_block_rev(blk, ins) { /* Mark all registers live after the instruction as |