diff options
| author | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2010-09-01 17:54:56 +0200 |
|---|---|---|
| committer | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2010-09-01 18:02:50 +0200 |
| commit | 0a8292e096bc37eeb225bf7d3854b6b6edc4bceb (patch) | |
| tree | 80bbb0365721665a8ff932e7b6ccb7a7c44a3e5c /src/gallium/drivers/nv50/nv50_pc_optimize.c | |
| parent | d90502b2b468732e2a42985580bbbe9d9fdfd14e (diff) | |
nv50: attempt at making more complicated loops work
Nested loops, and loops with multiple exits (BREAK, CONT).
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_pc_optimize.c')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_pc_optimize.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/gallium/drivers/nv50/nv50_pc_optimize.c b/src/gallium/drivers/nv50/nv50_pc_optimize.c index 4b1cd56fc1..1d2710a8ac 100644 --- a/src/gallium/drivers/nv50/nv50_pc_optimize.c +++ b/src/gallium/drivers/nv50/nv50_pc_optimize.c @@ -362,6 +362,9 @@ nv_pass_fold_loads(struct nv_pass *ctx, struct nv_basic_block *b) nv_reference(ctx->pc, &nvi->src[j], ld->src[0]->value); if (ld->src[4]) nv_reference(ctx->pc, &nvi->src[4], ld->src[4]->value); + + if (!nv_nvi_refcount(ld)) + nv_nvi_delete(ld); } } DESCEND_ARBITRARY(j, nv_pass_fold_loads); @@ -504,7 +507,7 @@ constant_expression(struct nv_pc *pc, struct nv_instruction *nvi, u1.u32 = src1->reg.imm.u32; modifiers_apply(&u0.u32, type, nvi->src[0]->mod); - modifiers_apply(&u0.u32, type, nvi->src[1]->mod); + modifiers_apply(&u1.u32, type, nvi->src[1]->mod); switch (nvi->opcode) { case NV_OP_MAD: @@ -951,7 +954,9 @@ nv_pass_flatten(struct nv_pass *ctx, struct nv_basic_block *b) if (b->exit && b->exit->opcode == NV_OP_JOINAT) nv_nvi_delete(b->exit); - if ((nvi = b->out[0]->out[0]->entry)) { + i = (b->out[0]->out_kind[0] == CFG_EDGE_LOOP_LEAVE) ? 1 : 0; + + if ((nvi = b->out[0]->out[i]->entry)) { nvi->is_join = 0; if (nvi->opcode == NV_OP_JOIN) nv_nvi_delete(nvi); @@ -980,7 +985,8 @@ nv_pass_cse(struct nv_pass *ctx, struct nv_basic_block *b) if (ir->opcode != ik->opcode) continue; - if (ik->opcode == NV_OP_LDA || + if (!ir->def[0] || !ik->def[0] || + ik->opcode == NV_OP_LDA || ik->opcode == NV_OP_STA || ik->opcode == NV_OP_MOV || nv_is_vector_op(ik->opcode)) @@ -993,8 +999,6 @@ nv_pass_cse(struct nv_pass *ctx, struct nv_basic_block *b) ik->flags_def || ir->flags_def) continue; /* and also not with flags, for now */ - assert(ik->def[0] && ir->def[0]); - if (ik->def[0]->reg.file == NV_FILE_OUT || ir->def[0]->reg.file == NV_FILE_OUT || !values_equal(ik->def[0], ir->def[0])) |