[Mesa-dev] [PATCH v2 028/103] i965/vec4: fix register allocation for 64-bit undef sources

[Iago Toral Quiroga]

Reviewed-by: Francisco Jerez <currojerez at riseup.net>
---
 src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
index fdd3cba..4dffd76 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
@@ -2085,7 +2085,8 @@ vec4_visitor::nir_emit_texture(nir_tex_instr *instr)
 void
 vec4_visitor::nir_emit_undef(nir_ssa_undef_instr *instr)
 {
-   nir_ssa_values[instr->def.index] = dst_reg(VGRF, alloc.allocate(1));
+   nir_ssa_values[instr->def.index] =
+      dst_reg(VGRF, alloc.allocate(DIV_ROUND_UP(instr->def.bit_size, 32)));
 }
 
 }
-- 
2.7.4