Mesa (master): nir: improve nir_variable packing

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Module: Mesa
Branch: master
Commit: 922801b77d14bb7ebf762aa1f208997a072c9a1c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=922801b77d14bb7ebf762aa1f208997a072c9a1c

Author: Timothy Arceri <tarceri at itsqueeze.com>
Date:   Wed Oct 23 11:43:59 2019 +1100

nir: improve nir_variable packing

Before:

/* size: 136, cachelines: 3, members: 10 */

After:

/* size: 128, cachelines: 2, members: 10 */

Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Reviewed-by: Rob Clark <robdclark at chromium.org>

---

 src/compiler/nir/nir.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 33735d4320b..6496ad92b11 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -498,6 +498,9 @@ typedef struct nir_variable {
       } image;
    } data;
 
+   /* Number of nir_variable_data members */
+   unsigned num_members;
+
    /**
     * Built-in state that backs this uniform
     *
@@ -539,7 +542,6 @@ typedef struct nir_variable {
     * inputs each with their own layout specifier.  This is only allowed on
     * variables with a struct or array of array of struct type.
     */
-   unsigned num_members;
    struct nir_variable_data *members;
 } nir_variable;