diff options
Diffstat (limited to 'src/mesa/shader/slang/slang_emit.c')
| -rw-r--r-- | src/mesa/shader/slang/slang_emit.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c index f025b15de9d..c997c11a7de 100644 --- a/src/mesa/shader/slang/slang_emit.c +++ b/src/mesa/shader/slang/slang_emit.c @@ -469,6 +469,12 @@ emit_arith(slang_emit_info *emitInfo, slang_ir_node *n) const slang_ir_info *info = _slang_ir_info(n->Opcode); char *srcAnnot[3], *dstAnnot; GLuint i; + slang_ir_node *temps[3]; + + /* we'll save pointers to nodes/storage to free in temps[] until + * the very end. + */ + temps[0] = temps[1] = temps[2] = NULL; assert(info); assert(info->InstOpcode != OPCODE_NOP); @@ -489,9 +495,9 @@ emit_arith(slang_emit_info *emitInfo, slang_ir_node *n) storage_to_src_reg(&inst->SrcReg[0], n->Children[0]->Children[0]->Store); storage_to_src_reg(&inst->SrcReg[1], n->Children[0]->Children[1]->Store); storage_to_src_reg(&inst->SrcReg[2], n->Children[1]->Store); - free_temp_storage(emitInfo->vt, n->Children[0]->Children[0]); - free_temp_storage(emitInfo->vt, n->Children[0]->Children[1]); - free_temp_storage(emitInfo->vt, n->Children[1]); + temps[0] = n->Children[0]->Children[0]; + temps[1] = n->Children[0]->Children[1]; + temps[2] = n->Children[1]; } else if (info->NumParams == 2 && n->Opcode == IR_ADD && n->Children[1]->Opcode == IR_MUL) { @@ -505,9 +511,9 @@ emit_arith(slang_emit_info *emitInfo, slang_ir_node *n) storage_to_src_reg(&inst->SrcReg[0], n->Children[1]->Children[0]->Store); storage_to_src_reg(&inst->SrcReg[1], n->Children[1]->Children[1]->Store); storage_to_src_reg(&inst->SrcReg[2], n->Children[0]->Store); - free_temp_storage(emitInfo->vt, n->Children[1]->Children[0]); - free_temp_storage(emitInfo->vt, n->Children[1]->Children[1]); - free_temp_storage(emitInfo->vt, n->Children[0]); + temps[0] = n->Children[1]->Children[0]; + temps[1] = n->Children[1]->Children[1]; + temps[2] = n->Children[0]; } else #endif @@ -532,9 +538,9 @@ emit_arith(slang_emit_info *emitInfo, slang_ir_node *n) for (i = 0; i < info->NumParams; i++) srcAnnot[i] = storage_annotation(n->Children[i], emitInfo->prog); - /* free temps */ + /* record (potential) temps to free */ for (i = 0; i < info->NumParams; i++) - free_temp_storage(emitInfo->vt, n->Children[i]); + temps[i] = n->Children[i]; } /* result storage */ @@ -544,6 +550,7 @@ emit_arith(slang_emit_info *emitInfo, slang_ir_node *n) if (!alloc_temp_storage(emitInfo, n, size)) return NULL; } + storage_to_dst_reg(&inst->DstReg, n->Store, n->Writemask); dstAnnot = storage_annotation(n, emitInfo->prog); @@ -551,6 +558,11 @@ emit_arith(slang_emit_info *emitInfo, slang_ir_node *n) inst->Comment = instruction_annotation(inst->Opcode, dstAnnot, srcAnnot[0], srcAnnot[1], srcAnnot[2]); + /* really free temps now */ + for (i = 0; i < 3; i++) + if (temps[i]) + free_temp_storage(emitInfo->vt, temps[i]); + /*_mesa_print_instruction(inst);*/ return inst; } |