diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_cse.cpp | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_cse.cpp b/src/mesa/drivers/dri/i965/brw_vec4_cse.cpp index 7071213ee38..37c930c746d 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_cse.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_cse.cpp @@ -48,6 +48,7 @@ static bool is_expression(const vec4_instruction *const inst) { switch (inst->opcode) { + case BRW_OPCODE_MOV: case BRW_OPCODE_SEL: case BRW_OPCODE_NOT: case BRW_OPCODE_AND: @@ -154,11 +155,16 @@ vec4_visitor::opt_cse_local(bblock_t *block) } if (!found) { - /* Our first sighting of this expression. Create an entry. */ - aeb_entry *entry = ralloc(cse_ctx, aeb_entry); - entry->tmp = src_reg(); /* file will be BAD_FILE */ - entry->generator = inst; - aeb.push_tail(entry); + if (inst->opcode != BRW_OPCODE_MOV || + (inst->opcode == BRW_OPCODE_MOV && + inst->src[0].file == IMM && + inst->src[0].type == BRW_REGISTER_TYPE_VF)) { + /* Our first sighting of this expression. Create an entry. */ + aeb_entry *entry = ralloc(cse_ctx, aeb_entry); + entry->tmp = src_reg(); /* file will be BAD_FILE */ + entry->generator = inst; + aeb.push_tail(entry); + } } else { /* This is at least our second sighting of this expression. * If we don't have a temporary already, make one. |