diff options
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp index 5dd72559298..68a266c7331 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp @@ -448,16 +448,22 @@ fs_visitor::try_constant_propagate(fs_inst *inst, acp_entry *entry) (entry->dst.reg_offset + entry->regs_written) * 32) continue; - /* Don't bother with cases that should have been taken care of by the - * GLSL compiler's constant folding pass. - */ - if (inst->src[i].negate || inst->src[i].abs) - continue; - fs_reg val = entry->src; val.effective_width = inst->src[i].effective_width; val.type = inst->src[i].type; + if (inst->src[i].abs) { + if (!brw_abs_immediate(val.type, &val.fixed_hw_reg)) { + continue; + } + } + + if (inst->src[i].negate) { + if (!brw_negate_immediate(val.type, &val.fixed_hw_reg)) { + continue; + } + } + switch (inst->opcode) { case BRW_OPCODE_MOV: case SHADER_OPCODE_LOAD_PAYLOAD: |