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st/mesa: remove dead code depending on EmitCondCodes

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EmitCondCodes is always false.

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Marek Olšák 2013-01-31 19:43:50 +01:00
parent 85efb2fff0
commit 7325f1faaa
1 changed files with 2 additions and 22 deletions
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24
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
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@ -2931,32 +2931,12 @@ glsl_to_tgsi_visitor::visit(ir_discard *ir)
void
glsl_to_tgsi_visitor::visit(ir_if *ir)
{
glsl_to_tgsi_instruction *cond_inst, *if_inst;
glsl_to_tgsi_instruction *prev_inst;
prev_inst = (glsl_to_tgsi_instruction *)this->instructions.get_tail();
glsl_to_tgsi_instruction *if_inst;
ir->condition->accept(this);
assert(this->result.file != PROGRAM_UNDEFINED);
if (this->options->EmitCondCodes) {
cond_inst = (glsl_to_tgsi_instruction *)this->instructions.get_tail();
/* See if we actually generated any instruction for generating
* the condition. If not, then cook up a move to a temp so we
* have something to set cond_update on.
*/
if (cond_inst == prev_inst) {
st_src_reg temp = get_temp(glsl_type::bool_type);
cond_inst = emit(ir->condition, TGSI_OPCODE_MOV, st_dst_reg(temp), result);
}
cond_inst->cond_update = GL_TRUE;
if_inst = emit(ir->condition, TGSI_OPCODE_IF);
if_inst->dst.cond_mask = COND_NE;
} else {
if_inst = emit(ir->condition, TGSI_OPCODE_IF, undef_dst, this->result);
}
if_inst = emit(ir->condition, TGSI_OPCODE_IF, undef_dst, this->result);
this->instructions.push_tail(if_inst);