diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_emulate_branches.c | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_emulate_branches.c b/src/mesa/drivers/dri/r300/compiler/radeon_emulate_branches.c index 222e5b7e02..7bede344f3 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_emulate_branches.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_emulate_branches.c @@ -57,18 +57,21 @@ struct emulate_branch_state { static void handle_if(struct emulate_branch_state * s, struct rc_instruction * inst) { + struct branch_info * branch; + struct rc_instruction * inst_mov; + memory_pool_array_reserve(&s->C->Pool, struct branch_info, s->Branches, s->BranchCount, s->BranchReserved, 1); DBG("%s\n", __FUNCTION__); - struct branch_info * branch = &s->Branches[s->BranchCount++]; + branch = &s->Branches[s->BranchCount++]; memset(branch, 0, sizeof(struct branch_info)); branch->If = inst; /* Make a safety copy of the decision register, because we will need * it at ENDIF time and it might be overwritten in both branches. */ - struct rc_instruction * inst_mov = rc_insert_new_instruction(s->C, inst->Prev); + inst_mov = rc_insert_new_instruction(s->C, inst->Prev); inst_mov->U.I.Opcode = RC_OPCODE_MOV; inst_mov->U.I.DstReg.File = RC_FILE_TEMPORARY; inst_mov->U.I.DstReg.Index = rc_find_free_temporary(s->C); @@ -84,6 +87,8 @@ static void handle_if(struct emulate_branch_state * s, struct rc_instruction * i static void handle_else(struct emulate_branch_state * s, struct rc_instruction * inst) { + struct branch_info * branch; + if (!s->BranchCount) { rc_error(s->C, "Encountered ELSE outside of branches"); return; @@ -91,7 +96,7 @@ static void handle_else(struct emulate_branch_state * s, struct rc_instruction * DBG("%s\n", __FUNCTION__); - struct branch_info * branch = &s->Branches[s->BranchCount - 1]; + branch = &s->Branches[s->BranchCount - 1]; branch->Else = inst; } @@ -191,6 +196,10 @@ static void inject_cmp(struct emulate_branch_state * s, static void handle_endif(struct emulate_branch_state * s, struct rc_instruction * inst) { + struct branch_info * branch; + struct register_proxies IfProxies; + struct register_proxies ElseProxies; + if (!s->BranchCount) { rc_error(s->C, "Encountered ENDIF outside of branches"); return; @@ -198,9 +207,7 @@ static void handle_endif(struct emulate_branch_state * s, struct rc_instruction DBG("%s\n", __FUNCTION__); - struct branch_info * branch = &s->Branches[s->BranchCount - 1]; - struct register_proxies IfProxies; - struct register_proxies ElseProxies; + branch = &s->Branches[s->BranchCount - 1]; memset(&IfProxies, 0, sizeof(IfProxies)); memset(&ElseProxies, 0, sizeof(ElseProxies)); @@ -261,16 +268,19 @@ static void remap_output_function(void * userdata, struct rc_instruction * inst, */ static void fix_output_writes(struct emulate_branch_state * s, struct rc_instruction * inst) { + const struct rc_opcode_info * opcode; + if (!s->BranchCount) return; - const struct rc_opcode_info * opcode = rc_get_opcode_info(inst->U.I.Opcode); + opcode = rc_get_opcode_info(inst->U.I.Opcode); if (!opcode->HasDstReg) return; if (inst->U.I.DstReg.File == RC_FILE_OUTPUT) { struct remap_output_data remap; + struct rc_instruction * inst_mov; remap.Output = inst->U.I.DstReg.Index; remap.Temporary = rc_find_free_temporary(s->C); @@ -281,7 +291,7 @@ static void fix_output_writes(struct emulate_branch_state * s, struct rc_instruc rc_remap_registers(inst, &remap_output_function, &remap); } - struct rc_instruction * inst_mov = rc_insert_new_instruction(s->C, s->C->Program.Instructions.Prev); + inst_mov = rc_insert_new_instruction(s->C, s->C->Program.Instructions.Prev); inst_mov->U.I.Opcode = RC_OPCODE_MOV; inst_mov->U.I.DstReg.File = RC_FILE_OUTPUT; inst_mov->U.I.DstReg.Index = remap.Output; @@ -299,12 +309,13 @@ static void fix_output_writes(struct emulate_branch_state * s, struct rc_instruc void rc_emulate_branches(struct radeon_compiler *c, void *user) { struct emulate_branch_state s; + struct rc_instruction * ptr; memset(&s, 0, sizeof(s)); s.C = c; /* Untypical loop because we may remove the current instruction */ - struct rc_instruction * ptr = c->Program.Instructions.Next; + ptr = c->Program.Instructions.Next; while(ptr != &c->Program.Instructions) { struct rc_instruction * inst = ptr; ptr = ptr->Next; |