gallium/tgsi: shuffle ureg_src structure to work around gcc4.6.0 issue

There is an issue with gcc 4.6.0 that leads to segfault/assert with mesa
due to ureg_src size, reshuffling the structure member to better better
alignment work around the issue.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47893

7.9 + 7.10 candidate

Signed-off-by: Jerome Glisse <jglisse@redhat.com>

diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.h b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
index b8d193f3f8962c7b18f91a19cc980cf104b01fc0..9d5553f0ea04182db57b5b24c9c73d2fbd904aa3 100644 (file)
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
@@ -43,24 +43,24 @@ struct ureg_program;
  */
 struct ureg_src
 {
-   unsigned File        : 4;  /* TGSI_FILE_ */
-   unsigned SwizzleX    : 2;  /* TGSI_SWIZZLE_ */
-   unsigned SwizzleY    : 2;  /* TGSI_SWIZZLE_ */
-   unsigned SwizzleZ    : 2;  /* TGSI_SWIZZLE_ */
-   unsigned SwizzleW    : 2;  /* TGSI_SWIZZLE_ */
-   unsigned Indirect    : 1;  /* BOOL */
-   unsigned DimIndirect : 1;  /* BOOL */
-   unsigned Dimension   : 1;  /* BOOL */
-   unsigned Absolute    : 1;  /* BOOL */
-   unsigned Negate      : 1;  /* BOOL */
-   int      Index       : 16; /* SINT */
+   unsigned File             : 4;  /* TGSI_FILE_ */
+   unsigned SwizzleX         : 2;  /* TGSI_SWIZZLE_ */
+   unsigned SwizzleY         : 2;  /* TGSI_SWIZZLE_ */
+   unsigned SwizzleZ         : 2;  /* TGSI_SWIZZLE_ */
+   unsigned SwizzleW         : 2;  /* TGSI_SWIZZLE_ */
+   unsigned Indirect         : 1;  /* BOOL */
+   unsigned DimIndirect      : 1;  /* BOOL */
+   unsigned Dimension        : 1;  /* BOOL */
+   unsigned Absolute         : 1;  /* BOOL */
+   unsigned Negate           : 1;  /* BOOL */
    unsigned IndirectFile     : 4;  /* TGSI_FILE_ */
-   int      IndirectIndex    : 16; /* SINT */
    unsigned IndirectSwizzle  : 2;  /* TGSI_SWIZZLE_ */
-   int      DimensionIndex   : 16; /* SINT */
    unsigned DimIndFile       : 4;  /* TGSI_FILE_ */
-   int      DimIndIndex      : 16; /* SINT */
    unsigned DimIndSwizzle    : 2;  /* TGSI_SWIZZLE_ */
+   int      Index            : 16; /* SINT */
+   int      IndirectIndex    : 16; /* SINT */
+   int      DimensionIndex   : 16; /* SINT */
+   int      DimIndIndex      : 16; /* SINT */
 };
 
 /* Very similar to a tgsi_dst_register, removing unsupported fields