diff options
| -rw-r--r-- | src/intel/compiler/brw_fs_reg_allocate.cpp | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/src/intel/compiler/brw_fs_reg_allocate.cpp b/src/intel/compiler/brw_fs_reg_allocate.cpp index 5c6f3d490f0..c981d72e4f2 100644 --- a/src/intel/compiler/brw_fs_reg_allocate.cpp +++ b/src/intel/compiler/brw_fs_reg_allocate.cpp @@ -806,7 +806,7 @@ emit_spill(const fs_builder &bld, fs_reg src, int fs_visitor::choose_spill_reg(struct ra_graph *g) { - float loop_scale = 1.0; + float block_scale = 1.0; float spill_costs[this->alloc.count]; bool no_spill[this->alloc.count]; @@ -822,23 +822,32 @@ fs_visitor::choose_spill_reg(struct ra_graph *g) foreach_block_and_inst(block, fs_inst, inst, cfg) { for (unsigned int i = 0; i < inst->sources; i++) { if (inst->src[i].file == VGRF) - spill_costs[inst->src[i].nr] += loop_scale; + spill_costs[inst->src[i].nr] += block_scale; } if (inst->dst.file == VGRF) spill_costs[inst->dst.nr] += DIV_ROUND_UP(inst->size_written, REG_SIZE) - * loop_scale; + * block_scale; switch (inst->opcode) { case BRW_OPCODE_DO: - loop_scale *= 10; + block_scale *= 10; break; case BRW_OPCODE_WHILE: - loop_scale /= 10; + block_scale /= 10; break; + case BRW_OPCODE_IF: + case BRW_OPCODE_IFF: + block_scale *= 0.5; + break; + + case BRW_OPCODE_ENDIF: + block_scale /= 0.5; + break; + case SHADER_OPCODE_GEN4_SCRATCH_WRITE: if (inst->src[0].file == VGRF) no_spill[inst->src[0].nr] = true; |