Mesa (nvc0): nvc0: use mov instead of ld for scalar const loads

[Christoph Bumiller]

Module: Mesa
Branch: nvc0
Commit: 471025929c893d223668814ad0f8e2bee76aac63
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=471025929c893d223668814ad0f8e2bee76aac63

Author: Christoph Bumiller <e0425955 at student.tuwien.ac.at>
Date:   Mon Jan  3 01:21:02 2011 +0100

nvc0: use mov instead of ld for scalar const loads

---

 src/gallium/drivers/nvc0/nvc0_pc_emit.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/src/gallium/drivers/nvc0/nvc0_pc_emit.c b/src/gallium/drivers/nvc0/nvc0_pc_emit.c
index 2f99d5a..db8055d 100644
--- a/src/gallium/drivers/nvc0/nvc0_pc_emit.c
+++ b/src/gallium/drivers/nvc0/nvc0_pc_emit.c
@@ -812,7 +812,12 @@ emit_ld(struct nv_pc *pc, struct nv_instruction *i)
 {
    if (SFILE(i, 0) >= NV_FILE_MEM_C(0) &&
        SFILE(i, 0) <= NV_FILE_MEM_C(15)) {
-      emit_ld_const(pc, i);
+      if (SSIZE(i, 0) == 4 && i->indirect < 0) {
+         i->lanes = 0xf;
+         emit_mov(pc, i);
+      } else {
+         emit_ld_const(pc, i);
+      }
    } else {
       NOUVEAU_ERR("emit_ld(%u): not handled yet\n", SFILE(i, 0));
       abort();