diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp b/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp index 674be512f8d..679867c3551 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp @@ -122,6 +122,16 @@ try_constant_propagate(struct brw_context *brw, vec4_instruction *inst, if (value.file != IMM) return false; + if (value.type == BRW_REGISTER_TYPE_VF) { + /* The result of bit-casting the component values of a vector float + * cannot in general be represented as an immediate. + */ + if (inst->src[arg].type != BRW_REGISTER_TYPE_F) + return false; + } else { + value.type = inst->src[arg].type; + } + if (inst->src[arg].abs) { if ((brw->gen >= 8 && is_logic_op(inst->opcode)) || !brw_abs_immediate(value.type, &value.fixed_hw_reg)) { |