[Mesa-dev] [PATCH v2 11/24] nvc0/ir: fix constraints for OP_SUSTx on Kepler

[Samuel Pitoiset]

Destination type is actually always 32-bits, so typeSizeof() returns 4
and no sources are condensed.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Reviewed-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
index 500ab89..7e8bb17 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
@@ -2131,7 +2131,9 @@ RegAlloc::InsertConstraintsPass::texConstraintNVE0(TexInstruction *tex)
    condenseDefs(tex);
 
    if (tex->op == OP_SUSTB || tex->op == OP_SUSTP) {
-      condenseSrcs(tex, 3, (3 + typeSizeof(tex->dType) / 4) - 1);
+      int n = tex->srcCount(0xff);
+      if (n > 4)
+         condenseSrcs(tex, 3, n - 1);
    } else
    if (isTextureOp(tex->op)) {
       int n = tex->srcCount(0xff, true);
-- 
2.8.0