llvmpipe: Make lp_type a regular union.

Union not worth the hassle of violating C99 or adding a name to
the structure.

36 files changed, 270 insertions, 272 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_bld_alpha.c b/src/gallium/drivers/llvmpipe/lp_bld_alpha.c
index 49c2f911af7..2b4bc5c819d 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_alpha.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_alpha.c
@@ -45,7 +45,7 @@
 void
 lp_build_alpha_test(LLVMBuilderRef builder,
                     const struct pipe_alpha_state *state,
-                    union lp_type type,
+                    struct lp_type type,
                     struct lp_build_mask_context *mask,
                     LLVMValueRef alpha,
                     LLVMValueRef ref)
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_alpha.h b/src/gallium/drivers/llvmpipe/lp_bld_alpha.h
index 9dbcdb4daab..634575670db 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_alpha.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_alpha.h
@@ -38,14 +38,14 @@
 #include <llvm-c/Core.h>  
 
 struct pipe_alpha_state;
-union lp_type;
+struct lp_type;
 struct lp_build_mask_context;
 
 
 void
 lp_build_alpha_test(LLVMBuilderRef builder,
                     const struct pipe_alpha_state *state,
-                    union lp_type type,
+                    struct lp_type type,
                     struct lp_build_mask_context *mask,
                     LLVMValueRef alpha,
                     LLVMValueRef ref);
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_arit.c b/src/gallium/drivers/llvmpipe/lp_bld_arit.c
index ce3e5f91c07..0b115fc9b07 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_arit.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_arit.c
@@ -65,7 +65,7 @@ lp_build_min_simple(struct lp_build_context *bld,
                     LLVMValueRef a,
                     LLVMValueRef b)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    const char *intrinsic = NULL;
    LLVMValueRef cond;
 
@@ -113,7 +113,7 @@ lp_build_max_simple(struct lp_build_context *bld,
                     LLVMValueRef a,
                     LLVMValueRef b)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    const char *intrinsic = NULL;
    LLVMValueRef cond;
 
@@ -159,7 +159,7 @@ LLVMValueRef
 lp_build_comp(struct lp_build_context *bld,
               LLVMValueRef a)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
 
    if(a == bld->one)
       return bld->zero;
@@ -188,7 +188,7 @@ lp_build_add(struct lp_build_context *bld,
              LLVMValueRef a,
              LLVMValueRef b)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    LLVMValueRef res;
 
    if(a == bld->zero)
@@ -241,7 +241,7 @@ lp_build_sub(struct lp_build_context *bld,
              LLVMValueRef a,
              LLVMValueRef b)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    LLVMValueRef res;
 
    if(b == bld->zero)
@@ -405,7 +405,7 @@ lp_build_mul(struct lp_build_context *bld,
              LLVMValueRef a,
              LLVMValueRef b)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
 
    if(a == bld->zero)
       return bld->zero;
@@ -477,7 +477,7 @@ lp_build_div(struct lp_build_context *bld,
              LLVMValueRef a,
              LLVMValueRef b)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
 
    if(a == bld->zero)
       return bld->zero;
@@ -590,7 +590,7 @@ LLVMValueRef
 lp_build_abs(struct lp_build_context *bld,
              LLVMValueRef a)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    LLVMTypeRef vec_type = lp_build_vec_type(type);
 
    if(!type.sign)
@@ -627,7 +627,7 @@ LLVMValueRef
 lp_build_sgn(struct lp_build_context *bld,
              LLVMValueRef a)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    LLVMTypeRef vec_type = lp_build_vec_type(type);
    LLVMValueRef cond;
    LLVMValueRef res;
@@ -678,7 +678,7 @@ lp_build_round_sse41(struct lp_build_context *bld,
                      LLVMValueRef a,
                      enum lp_build_round_sse41_mode mode)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    LLVMTypeRef vec_type = lp_build_vec_type(type);
    const char *intrinsic;
 
@@ -706,7 +706,7 @@ LLVMValueRef
 lp_build_round(struct lp_build_context *bld,
                LLVMValueRef a)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
 
    assert(type.floating);
 
@@ -724,7 +724,7 @@ LLVMValueRef
 lp_build_floor(struct lp_build_context *bld,
                LLVMValueRef a)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
 
    assert(type.floating);
 
@@ -742,7 +742,7 @@ LLVMValueRef
 lp_build_ceil(struct lp_build_context *bld,
               LLVMValueRef a)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
 
    assert(type.floating);
 
@@ -760,7 +760,7 @@ LLVMValueRef
 lp_build_trunc(struct lp_build_context *bld,
                LLVMValueRef a)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
 
    assert(type.floating);
 
@@ -782,7 +782,7 @@ LLVMValueRef
 lp_build_int(struct lp_build_context *bld,
              LLVMValueRef a)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    LLVMTypeRef int_vec_type = lp_build_int_vec_type(type);
 
    assert(type.floating);
@@ -805,7 +805,7 @@ LLVMValueRef
 lp_build_sqrt(struct lp_build_context *bld,
               LLVMValueRef a)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    LLVMTypeRef vec_type = lp_build_vec_type(type);
    char intrinsic[32];
 
@@ -823,7 +823,7 @@ LLVMValueRef
 lp_build_rcp(struct lp_build_context *bld,
              LLVMValueRef a)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
 
    if(a == bld->zero)
       return bld->undef;
@@ -854,7 +854,7 @@ LLVMValueRef
 lp_build_rsqrt(struct lp_build_context *bld,
                LLVMValueRef a)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
 
    assert(type.floating);
 
@@ -875,7 +875,7 @@ LLVMValueRef
 lp_build_cos(struct lp_build_context *bld,
               LLVMValueRef a)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    LLVMTypeRef vec_type = lp_build_vec_type(type);
    char intrinsic[32];
 
@@ -895,7 +895,7 @@ LLVMValueRef
 lp_build_sin(struct lp_build_context *bld,
               LLVMValueRef a)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    LLVMTypeRef vec_type = lp_build_vec_type(type);
    char intrinsic[32];
 
@@ -966,7 +966,7 @@ lp_build_polynomial(struct lp_build_context *bld,
                     const double *coeffs,
                     unsigned num_coeffs)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    LLVMValueRef res = NULL;
    unsigned i;
 
@@ -1014,7 +1014,7 @@ lp_build_exp2_approx(struct lp_build_context *bld,
                      LLVMValueRef *p_frac_part,
                      LLVMValueRef *p_exp2)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    LLVMTypeRef vec_type = lp_build_vec_type(type);
    LLVMTypeRef int_vec_type = lp_build_int_vec_type(type);
    LLVMValueRef ipart = NULL;
@@ -1107,7 +1107,7 @@ lp_build_log2_approx(struct lp_build_context *bld,
                      LLVMValueRef *p_floor_log2,
                      LLVMValueRef *p_log2)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    LLVMTypeRef vec_type = lp_build_vec_type(type);
    LLVMTypeRef int_vec_type = lp_build_int_vec_type(type);
 
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_arit.h b/src/gallium/drivers/llvmpipe/lp_bld_arit.h
index 5e083b847fd..d68a97c4b87 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_arit.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_arit.h
@@ -40,7 +40,7 @@
 #include <llvm-c/Core.h>  
 
 
-union lp_type type;
+struct lp_type type;
 struct lp_build_context;
 
 
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_blend.h b/src/gallium/drivers/llvmpipe/lp_bld_blend.h
index d19e18846c2..da272e549f3 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_blend.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_blend.h
@@ -46,7 +46,7 @@
 
 
 struct pipe_blend_state;
-union lp_type;
+struct lp_type;
 struct lp_build_context;
 
 
@@ -74,7 +74,7 @@ lp_build_blend_func(struct lp_build_context *bld,
 LLVMValueRef
 lp_build_blend_aos(LLVMBuilderRef builder,
                    const struct pipe_blend_state *blend,
-                   union lp_type type,
+                   struct lp_type type,
                    LLVMValueRef src,
                    LLVMValueRef dst,
                    LLVMValueRef const_,
@@ -84,7 +84,7 @@ lp_build_blend_aos(LLVMBuilderRef builder,
 void
 lp_build_blend_soa(LLVMBuilderRef builder,
                    const struct pipe_blend_state *blend,
-                   union lp_type type,
+                   struct lp_type type,
                    LLVMValueRef src[4],
                    LLVMValueRef dst[4],
                    LLVMValueRef const_[4],
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_blend_aos.c b/src/gallium/drivers/llvmpipe/lp_bld_blend_aos.c
index c11a9398f87..d14f468ba93 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_blend_aos.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_blend_aos.c
@@ -303,7 +303,7 @@ lp_build_blend_func(struct lp_build_context *bld,
 LLVMValueRef
 lp_build_blend_aos(LLVMBuilderRef builder,
                    const struct pipe_blend_state *blend,
-                   union lp_type type,
+                   struct lp_type type,
                    LLVMValueRef src,
                    LLVMValueRef dst,
                    LLVMValueRef const_,
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c b/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c
index b92254a7d6f..9511299d558 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_blend_soa.c
@@ -199,7 +199,7 @@ lp_build_blend_soa_factor(struct lp_build_blend_soa_context *bld,
 void
 lp_build_blend_soa(LLVMBuilderRef builder,
                    const struct pipe_blend_state *blend,
-                   union lp_type type,
+                   struct lp_type type,
                    LLVMValueRef src[4],
                    LLVMValueRef dst[4],
                    LLVMValueRef con[4],
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_const.c b/src/gallium/drivers/llvmpipe/lp_bld_const.c
index 21487365eae..c8eaa8c3940 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_const.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_const.c
@@ -42,7 +42,7 @@
 
 
 unsigned
-lp_mantissa(union lp_type type)
+lp_mantissa(struct lp_type type)
 {
    assert(type.floating);
 
@@ -72,7 +72,7 @@ lp_mantissa(union lp_type type)
  * Same as lp_const_scale(), but in terms of shifts.
  */
 unsigned
-lp_const_shift(union lp_type type)
+lp_const_shift(struct lp_type type)
 {
    if(type.floating)
       return 0;
@@ -86,7 +86,7 @@ lp_const_shift(union lp_type type)
 
 
 unsigned
-lp_const_offset(union lp_type type)
+lp_const_offset(struct lp_type type)
 {
    if(type.floating || type.fixed)
       return 0;
@@ -104,7 +104,7 @@ lp_const_offset(union lp_type type)
  * else for the fixed points types and normalized integers.
  */
 double
-lp_const_scale(union lp_type type)
+lp_const_scale(struct lp_type type)
 {
    unsigned long long llscale;
    double dscale;
@@ -122,7 +122,7 @@ lp_const_scale(union lp_type type)
  * Minimum value representable by the type.
  */
 double
-lp_const_min(union lp_type type)
+lp_const_min(struct lp_type type)
 {
    unsigned bits;
 
@@ -158,7 +158,7 @@ lp_const_min(union lp_type type)
  * Maximum value representable by the type.
  */
 double
-lp_const_max(union lp_type type)
+lp_const_max(struct lp_type type)
 {
    unsigned bits;
 
@@ -190,7 +190,7 @@ lp_const_max(union lp_type type)
 
 
 double
-lp_const_eps(union lp_type type)
+lp_const_eps(struct lp_type type)
 {
    if (type.floating) {
       switch(type.width) {
@@ -211,7 +211,7 @@ lp_const_eps(union lp_type type)
 
 
 LLVMValueRef
-lp_build_undef(union lp_type type)
+lp_build_undef(struct lp_type type)
 {
    LLVMTypeRef vec_type = lp_build_vec_type(type);
    return LLVMGetUndef(vec_type);
@@ -219,7 +219,7 @@ lp_build_undef(union lp_type type)
                
 
 LLVMValueRef
-lp_build_zero(union lp_type type)
+lp_build_zero(struct lp_type type)
 {
    LLVMTypeRef vec_type = lp_build_vec_type(type);
    return LLVMConstNull(vec_type);
@@ -227,7 +227,7 @@ lp_build_zero(union lp_type type)
                
 
 LLVMValueRef
-lp_build_one(union lp_type type)
+lp_build_one(struct lp_type type)
 {
    LLVMTypeRef elem_type;
    LLVMValueRef elems[LP_MAX_VECTOR_LENGTH];
@@ -269,7 +269,7 @@ lp_build_one(union lp_type type)
                
 
 LLVMValueRef
-lp_build_const_scalar(union lp_type type,
+lp_build_const_scalar(struct lp_type type,
                       double val)
 {
    LLVMTypeRef elem_type = lp_build_elem_type(type);
@@ -295,7 +295,7 @@ lp_build_const_scalar(union lp_type type,
 
 
 LLVMValueRef
-lp_build_int_const_scalar(union lp_type type,
+lp_build_int_const_scalar(struct lp_type type,
                           long long val)
 {
    LLVMTypeRef elem_type = lp_build_int_elem_type(type);
@@ -312,7 +312,7 @@ lp_build_int_const_scalar(union lp_type type,
 
 
 LLVMValueRef
-lp_build_const_aos(union lp_type type, 
+lp_build_const_aos(struct lp_type type, 
                    double r, double g, double b, double a, 
                    const unsigned char *swizzle)
 {
@@ -352,8 +352,8 @@ lp_build_const_aos(union lp_type type,
 
 
 LLVMValueRef
-lp_build_const_mask_aos(union lp_type type,
-                        boolean cond[4])
+lp_build_const_mask_aos(struct lp_type type,
+                        const boolean cond[4])
 {
    LLVMTypeRef elem_type = LLVMIntType(type.width);
    LLVMValueRef masks[LP_MAX_VECTOR_LENGTH];
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_const.h b/src/gallium/drivers/llvmpipe/lp_bld_const.h
index 1934530ea3c..ffb302f7366 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_const.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_const.h
@@ -42,67 +42,67 @@
 #include <pipe/p_compiler.h>
 
 
-union lp_type type;
+struct lp_type type;
 
 
 unsigned
-lp_mantissa(union lp_type type);
+lp_mantissa(struct lp_type type);
 
 
 unsigned
-lp_const_shift(union lp_type type);
+lp_const_shift(struct lp_type type);
 
 
 unsigned
-lp_const_offset(union lp_type type);
+lp_const_offset(struct lp_type type);
 
 
 double
-lp_const_scale(union lp_type type);
+lp_const_scale(struct lp_type type);
 
 double
-lp_const_min(union lp_type type);
+lp_const_min(struct lp_type type);
 
 
 double
-lp_const_max(union lp_type type);
+lp_const_max(struct lp_type type);
 
 
 double
-lp_const_eps(union lp_type type);
+lp_const_eps(struct lp_type type);
 
 
 LLVMValueRef
-lp_build_undef(union lp_type type);
+lp_build_undef(struct lp_type type);
 
 
 LLVMValueRef
-lp_build_zero(union lp_type type);
+lp_build_zero(struct lp_type type);
 
 
 LLVMValueRef
-lp_build_one(union lp_type type);
+lp_build_one(struct lp_type type);
 
 
 LLVMValueRef
-lp_build_const_scalar(union lp_type type,
+lp_build_const_scalar(struct lp_type type,
                       double val);
 
 
 LLVMValueRef
-lp_build_int_const_scalar(union lp_type type,
+lp_build_int_const_scalar(struct lp_type type,
                           long long val);
 
 
 LLVMValueRef
-lp_build_const_aos(union lp_type type, 
+lp_build_const_aos(struct lp_type type, 
                    double r, double g, double b, double a, 
                    const unsigned char *swizzle);
 
 
 LLVMValueRef
-lp_build_const_mask_aos(union lp_type type,
-                        boolean cond[4]);
+lp_build_const_mask_aos(struct lp_type type,
+                        const boolean cond[4]);
 
 
 #endif /* !LP_BLD_CONST_H */
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_conv.c b/src/gallium/drivers/llvmpipe/lp_bld_conv.c
index c5a71d2c726..186cac70f62 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_conv.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_conv.c
@@ -86,7 +86,7 @@
  */
 LLVMValueRef
 lp_build_clamped_float_to_unsigned_norm(LLVMBuilderRef builder,
-                                        union lp_type src_type,
+                                        struct lp_type src_type,
                                         unsigned dst_width,
                                         LLVMValueRef src)
 {
@@ -152,7 +152,7 @@ lp_build_clamped_float_to_unsigned_norm(LLVMBuilderRef builder,
 LLVMValueRef
 lp_build_unsigned_norm_to_float(LLVMBuilderRef builder,
                                 unsigned src_width,
-                                union lp_type dst_type,
+                                struct lp_type dst_type,
                                 LLVMValueRef src)
 {
    LLVMTypeRef vec_type = lp_build_vec_type(dst_type);
@@ -248,8 +248,8 @@ lp_build_const_pack_shuffle(unsigned n)
  */
 static void
 lp_build_expand(LLVMBuilderRef builder,
-               union lp_type src_type,
-               union lp_type dst_type,
+               struct lp_type src_type,
+               struct lp_type dst_type,
                LLVMValueRef src,
                LLVMValueRef *dst, unsigned num_dsts)
 {
@@ -266,7 +266,7 @@ lp_build_expand(LLVMBuilderRef builder,
    dst[0] = src;
 
    while(src_type.width < dst_type.width) {
-      union lp_type new_type = src_type;
+      struct lp_type new_type = src_type;
       LLVMTypeRef new_vec_type;
 
       new_type.width *= 2;
@@ -314,8 +314,8 @@ lp_build_expand(LLVMBuilderRef builder,
  */
 static LLVMValueRef
 lp_build_pack2(LLVMBuilderRef builder,
-               union lp_type src_type,
-               union lp_type dst_type,
+               struct lp_type src_type,
+               struct lp_type dst_type,
                boolean clamped,
                LLVMValueRef lo,
                LLVMValueRef hi)
@@ -392,8 +392,8 @@ lp_build_pack2(LLVMBuilderRef builder,
  */
 static LLVMValueRef
 lp_build_pack(LLVMBuilderRef builder,
-              union lp_type src_type,
-              union lp_type dst_type,
+              struct lp_type src_type,
+              struct lp_type dst_type,
               boolean clamped,
               const LLVMValueRef *src, unsigned num_srcs)
 {
@@ -410,7 +410,7 @@ lp_build_pack(LLVMBuilderRef builder,
       tmp[i] = src[i];
 
    while(src_type.width > dst_type.width) {
-      union lp_type new_type = src_type;
+      struct lp_type new_type = src_type;
 
       new_type.width /= 2;
       new_type.length *= 2;
@@ -442,12 +442,12 @@ lp_build_pack(LLVMBuilderRef builder,
  */
 void
 lp_build_conv(LLVMBuilderRef builder,
-              union lp_type src_type,
-              union lp_type dst_type,
+              struct lp_type src_type,
+              struct lp_type dst_type,
               const LLVMValueRef *src, unsigned num_srcs,
               LLVMValueRef *dst, unsigned num_dsts)
 {
-   union lp_type tmp_type;
+   struct lp_type tmp_type;
    LLVMValueRef tmp[LP_MAX_VECTOR_LENGTH];
    unsigned num_tmps;
    unsigned i;
@@ -470,7 +470,7 @@ lp_build_conv(LLVMBuilderRef builder,
     * Clamp if necessary
     */
 
-   if(src_type.value != dst_type.value) {
+   if(memcmp(&src_type, &dst_type, sizeof src_type) != 0) {
       struct lp_build_context bld;
       double src_min = lp_const_min(src_type);
       double dst_min = lp_const_min(dst_type);
@@ -656,8 +656,8 @@ lp_build_conv(LLVMBuilderRef builder,
  */
 void
 lp_build_conv_mask(LLVMBuilderRef builder,
-                   union lp_type src_type,
-                   union lp_type dst_type,
+                   struct lp_type src_type,
+                   struct lp_type dst_type,
                    const LLVMValueRef *src, unsigned num_srcs,
                    LLVMValueRef *dst, unsigned num_dsts)
 {
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_conv.h b/src/gallium/drivers/llvmpipe/lp_bld_conv.h
index 05c1ef2a100..ca378804d2a 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_conv.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_conv.h
@@ -40,33 +40,33 @@
 #include <llvm-c/Core.h>  
 
 
-union lp_type type;
+struct lp_type type;
 
 
 LLVMValueRef
 lp_build_clamped_float_to_unsigned_norm(LLVMBuilderRef builder,
-                                        union lp_type src_type,
+                                        struct lp_type src_type,
                                         unsigned dst_width,
                                         LLVMValueRef src);
 
 LLVMValueRef
 lp_build_unsigned_norm_to_float(LLVMBuilderRef builder,
                                 unsigned src_width,
-                                union lp_type dst_type,
+                                struct lp_type dst_type,
                                 LLVMValueRef src);
 
 
 void
 lp_build_conv(LLVMBuilderRef builder,
-              union lp_type src_type,
-              union lp_type dst_type,
+              struct lp_type src_type,
+              struct lp_type dst_type,
               const LLVMValueRef *srcs, unsigned num_srcs,
               LLVMValueRef *dsts, unsigned num_dsts);
 
 void
 lp_build_conv_mask(LLVMBuilderRef builder,
-                   union lp_type src_type,
-                   union lp_type dst_type,
+                   struct lp_type src_type,
+                   struct lp_type dst_type,
                    const LLVMValueRef *src, unsigned num_srcs,
                    LLVMValueRef *dst, unsigned num_dsts);
 
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_depth.c b/src/gallium/drivers/llvmpipe/lp_bld_depth.c
index e5fe81193fc..21c665c4d4c 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_depth.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_depth.c
@@ -71,11 +71,11 @@
 /**
  * Return a type appropriate for depth/stencil testing.
  */
-union lp_type
+struct lp_type
 lp_depth_type(const struct util_format_description *format_desc,
               unsigned length)
 {
-   union lp_type type;
+   struct lp_type type;
    unsigned swizzle;
 
    assert(format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS);
@@ -85,7 +85,7 @@ lp_depth_type(const struct util_format_description *format_desc,
    swizzle = format_desc->swizzle[0];
    assert(swizzle < 4);
 
-   type.value = 0;
+   memset(&type, 0, sizeof type);
    type.width = format_desc->block.bits;
 
    if(format_desc->channel[swizzle].type == UTIL_FORMAT_TYPE_FLOAT) {
@@ -114,7 +114,7 @@ lp_depth_type(const struct util_format_description *format_desc,
 void
 lp_build_depth_test(LLVMBuilderRef builder,
                     const struct pipe_depth_state *state,
-                    union lp_type type,
+                    struct lp_type type,
                     const struct util_format_description *format_desc,
                     struct lp_build_mask_context *mask,
                     LLVMValueRef src,
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_depth.h b/src/gallium/drivers/llvmpipe/lp_bld_depth.h
index 5d2e042fcc5..79d6981bb51 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_depth.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_depth.h
@@ -41,11 +41,11 @@
  
 struct pipe_depth_state;
 struct util_format_description;
-union lp_type;
+struct lp_type;
 struct lp_build_mask_context;
 
 
-union lp_type
+struct lp_type
 lp_depth_type(const struct util_format_description *format_desc,
               unsigned length);
 
@@ -53,7 +53,7 @@ lp_depth_type(const struct util_format_description *format_desc,
 void
 lp_build_depth_test(LLVMBuilderRef builder,
                     const struct pipe_depth_state *state,
-                    union lp_type type,
+                    struct lp_type type,
                     const struct util_format_description *format_desc,
                     struct lp_build_mask_context *mask,
                     LLVMValueRef src,
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_flow.c b/src/gallium/drivers/llvmpipe/lp_bld_flow.c
index 69ed014ff3d..dcc25fbff86 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_flow.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_flow.c
@@ -405,7 +405,7 @@ lp_build_mask_check(struct lp_build_mask_context *mask)
 void
 lp_build_mask_begin(struct lp_build_mask_context *mask,
                     struct lp_build_flow_context *flow,
-                    union lp_type type,
+                    struct lp_type type,
                     LLVMValueRef value)
 {
    memset(mask, 0, sizeof *mask);
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_flow.h b/src/gallium/drivers/llvmpipe/lp_bld_flow.h
index 9d76e3064dd..e61999ff06b 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_flow.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_flow.h
@@ -38,7 +38,7 @@
 #include <llvm-c/Core.h>  
 
 
-union lp_type;
+struct lp_type;
 
 
 struct lp_build_flow_context;
@@ -84,7 +84,7 @@ struct lp_build_mask_context
 void
 lp_build_mask_begin(struct lp_build_mask_context *mask,
                     struct lp_build_flow_context *flow,
-                    union lp_type type,
+                    struct lp_type type,
                     LLVMValueRef value);
 
 /**
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_format.h b/src/gallium/drivers/llvmpipe/lp_bld_format.h
index 5ee06560932..6d3f6926193 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_format.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_format.h
@@ -39,7 +39,7 @@
 #include "pipe/p_format.h"
 
 struct util_format_description;
-union lp_type;
+struct lp_type;
 
 
 /**
@@ -103,7 +103,7 @@ lp_build_gather(LLVMBuilderRef builder,
 void
 lp_build_unpack_rgba_soa(LLVMBuilderRef builder,
                          const struct util_format_description *format_desc,
-                         union lp_type type,
+                         struct lp_type type,
                          LLVMValueRef packed,
                          LLVMValueRef *rgba);
 
@@ -111,7 +111,7 @@ lp_build_unpack_rgba_soa(LLVMBuilderRef builder,
 void
 lp_build_load_rgba_soa(LLVMBuilderRef builder,
                        const struct util_format_description *format_desc,
-                       union lp_type type,
+                       struct lp_type type,
                        LLVMValueRef base_ptr,
                        LLVMValueRef offsets,
                        LLVMValueRef *rgba);
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_format_soa.c b/src/gallium/drivers/llvmpipe/lp_bld_format_soa.c
index 569e8d10a31..b5ff434e1ae 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_format_soa.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_format_soa.c
@@ -84,7 +84,7 @@ lp_build_gather(LLVMBuilderRef builder,
 
 
 static LLVMValueRef
-lp_build_format_swizzle(union lp_type type,
+lp_build_format_swizzle(struct lp_type type,
                         const LLVMValueRef *inputs,
                         enum util_format_swizzle swizzle)
 {
@@ -110,7 +110,7 @@ lp_build_format_swizzle(union lp_type type,
 void
 lp_build_unpack_rgba_soa(LLVMBuilderRef builder,
                          const struct util_format_description *format_desc,
-                         union lp_type type,
+                         struct lp_type type,
                          LLVMValueRef packed,
                          LLVMValueRef *rgba)
 {
@@ -188,7 +188,7 @@ lp_build_unpack_rgba_soa(LLVMBuilderRef builder,
 void
 lp_build_load_rgba_soa(LLVMBuilderRef builder,
                        const struct util_format_description *format_desc,
-                       union lp_type type,
+                       struct lp_type type,
                        LLVMValueRef base_ptr,
                        LLVMValueRef offsets,
                        LLVMValueRef *rgba)
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_interp.c b/src/gallium/drivers/llvmpipe/lp_bld_interp.c
index cfe20a0d75b..338dbca6d1e 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_interp.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_interp.c
@@ -292,7 +292,7 @@ void
 lp_build_interp_soa_init(struct lp_build_interp_soa_context *bld,
                          const struct tgsi_token *tokens,
                          LLVMBuilderRef builder,
-                         union lp_type type,
+                         struct lp_type type,
                          LLVMValueRef a0_ptr,
                          LLVMValueRef dadx_ptr,
                          LLVMValueRef dady_ptr,
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_interp.h b/src/gallium/drivers/llvmpipe/lp_bld_interp.h
index 9194f6233a7..9c57a10879b 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_interp.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_interp.h
@@ -83,7 +83,7 @@ void
 lp_build_interp_soa_init(struct lp_build_interp_soa_context *bld,
                          const struct tgsi_token *tokens,
                          LLVMBuilderRef builder,
-                         union lp_type type,
+                         struct lp_type type,
                          LLVMValueRef a0_ptr,
                          LLVMValueRef dadx_ptr,
                          LLVMValueRef dady_ptr,
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_logic.c b/src/gallium/drivers/llvmpipe/lp_bld_logic.c
index 995a69c0f4c..6b6f8207697 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_logic.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_logic.c
@@ -45,7 +45,7 @@ lp_build_cmp(struct lp_build_context *bld,
              LLVMValueRef a,
              LLVMValueRef b)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    LLVMTypeRef vec_type = lp_build_vec_type(type);
    LLVMTypeRef int_vec_type = lp_build_int_vec_type(type);
    LLVMValueRef zeros = LLVMConstNull(int_vec_type);
@@ -301,7 +301,7 @@ lp_build_select(struct lp_build_context *bld,
                 LLVMValueRef a,
                 LLVMValueRef b)
 {
-   union lp_type type = bld->type;
+   struct lp_type type = bld->type;
    LLVMValueRef res;
 
    if(a == b)
@@ -339,7 +339,7 @@ lp_build_select_aos(struct lp_build_context *bld,
                     LLVMValueRef b,
                     const boolean cond[4])
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    const unsigned n = type.length;
    unsigned i, j;
 
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_logic.h b/src/gallium/drivers/llvmpipe/lp_bld_logic.h
index 9099e0fb5bf..a4ee7723b5f 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_logic.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_logic.h
@@ -42,7 +42,7 @@
 #include "pipe/p_defines.h" /* For PIPE_FUNC_xxx */
 
 
-union lp_type type;
+struct lp_type type;
 struct lp_build_context;
 
 
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_sample.h b/src/gallium/drivers/llvmpipe/lp_bld_sample.h
index 6f565af76d1..403d0e48367 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_sample.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_sample.h
@@ -40,7 +40,7 @@
 
 struct pipe_texture;
 struct pipe_sampler_state;
-union lp_type;
+struct lp_type;
 
 
 /**
@@ -123,7 +123,7 @@ void
 lp_build_sample_soa(LLVMBuilderRef builder,
                     const struct lp_sampler_static_state *static_state,
                     struct lp_sampler_dynamic_state *dynamic_state,
-                    union lp_type fp_type,
+                    struct lp_type fp_type,
                     unsigned unit,
                     unsigned num_coords,
                     const LLVMValueRef *coords,
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_sample_soa.c b/src/gallium/drivers/llvmpipe/lp_bld_sample_soa.c
index 3ca25b0e76c..08b1dc10f36 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_sample_soa.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_sample_soa.c
@@ -97,15 +97,15 @@ struct lp_build_sample_context
    const struct util_format_description *format_desc;
 
    /** Incoming coordinates type and build context */
-   union lp_type coord_type;
+   struct lp_type coord_type;
    struct lp_build_context coord_bld;
 
    /** Integer coordinates */
-   union lp_type int_coord_type;
+   struct lp_type int_coord_type;
    struct lp_build_context int_coord_bld;
 
    /** Output texels type and build context */
-   union lp_type texel_type;
+   struct lp_type texel_type;
    struct lp_build_context texel_bld;
 };
 
@@ -337,7 +337,7 @@ void
 lp_build_sample_soa(LLVMBuilderRef builder,
                     const struct lp_sampler_static_state *static_state,
                     struct lp_sampler_dynamic_state *dynamic_state,
-                    union lp_type type,
+                    struct lp_type type,
                     unsigned unit,
                     unsigned num_coords,
                     const LLVMValueRef *coords,
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c b/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c
index f35638be447..64e81f7b1fe 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c
@@ -64,7 +64,7 @@ LLVMValueRef
 lp_build_broadcast_scalar(struct lp_build_context *bld,
                           LLVMValueRef scalar)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    LLVMValueRef res;
    unsigned i;
 
@@ -83,7 +83,7 @@ lp_build_broadcast_aos(struct lp_build_context *bld,
                        LLVMValueRef a,
                        unsigned channel)
 {
-   const union lp_type type = bld->type;
+   const struct lp_type type = bld->type;
    const unsigned n = type.length;
    unsigned i, j;
 
@@ -115,7 +115,7 @@ lp_build_broadcast_aos(struct lp_build_context *bld,
        *   YY00 YY00 .... YY00
        *   YYYY YYYY .... YYYY  <= output
        */
-      union lp_type type4 = type;
+      struct lp_type type4 = type;
       const char shifts[4][2] = {
          { 1,  2},
          {-1,  2},
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_swizzle.h b/src/gallium/drivers/llvmpipe/lp_bld_swizzle.h
index cb0b6707ec8..1f6da804488 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_swizzle.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_swizzle.h
@@ -40,7 +40,7 @@
 #include <llvm-c/Core.h>  
 
 
-union lp_type type;
+struct lp_type type;
 struct lp_build_context;
 
 
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_tgsi.h b/src/gallium/drivers/llvmpipe/lp_bld_tgsi.h
index 10c251c4162..eddb7a83fa2 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_tgsi.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_tgsi.h
@@ -39,7 +39,7 @@
 
 
 struct tgsi_token;
-union lp_type;
+struct lp_type;
 struct lp_build_context;
 struct lp_build_mask_context;
 
@@ -60,7 +60,7 @@ struct lp_build_sampler_soa
    void
    (*emit_fetch_texel)( struct lp_build_sampler_soa *sampler,
                         LLVMBuilderRef builder,
-                        union lp_type type,
+                        struct lp_type type,
                         unsigned unit,
                         unsigned num_coords,
                         const LLVMValueRef *coords,
@@ -72,7 +72,7 @@ struct lp_build_sampler_soa
 void
 lp_build_tgsi_soa(LLVMBuilderRef builder,
                   const struct tgsi_token *tokens,
-                  union lp_type type,
+                  struct lp_type type,
                   struct lp_build_mask_context *mask,
                   LLVMValueRef consts_ptr,
                   const LLVMValueRef *pos,
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c b/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c
index b106ce2317f..adc81569ed5 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c
@@ -1415,7 +1415,7 @@ emit_instruction(
 void
 lp_build_tgsi_soa(LLVMBuilderRef builder,
                   const struct tgsi_token *tokens,
-                  union lp_type type,
+                  struct lp_type type,
                   struct lp_build_mask_context *mask,
                   LLVMValueRef consts_ptr,
                   const LLVMValueRef *pos,
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_type.c b/src/gallium/drivers/llvmpipe/lp_bld_type.c
index 577644b7ab8..606243d6c5a 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_type.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_type.c
@@ -33,7 +33,7 @@
 
 
 LLVMTypeRef
-lp_build_elem_type(union lp_type type)
+lp_build_elem_type(struct lp_type type)
 {
    if (type.floating) {
       switch(type.width) {
@@ -55,7 +55,7 @@ lp_build_elem_type(union lp_type type)
 
 
 LLVMTypeRef
-lp_build_vec_type(union lp_type type)
+lp_build_vec_type(struct lp_type type)
 {
    LLVMTypeRef elem_type = lp_build_elem_type(type);
    return LLVMVectorType(elem_type, type.length);
@@ -69,7 +69,7 @@ lp_build_vec_type(union lp_type type)
  * type and check for identity.
  */
 boolean
-lp_check_elem_type(union lp_type type, LLVMTypeRef elem_type) 
+lp_check_elem_type(struct lp_type type, LLVMTypeRef elem_type) 
 {
    LLVMTypeKind elem_kind;
 
@@ -107,7 +107,7 @@ lp_check_elem_type(union lp_type type, LLVMTypeRef elem_type)
 
 
 boolean
-lp_check_vec_type(union lp_type type, LLVMTypeRef vec_type) 
+lp_check_vec_type(struct lp_type type, LLVMTypeRef vec_type) 
 {
    LLVMTypeRef elem_type;
 
@@ -128,7 +128,7 @@ lp_check_vec_type(union lp_type type, LLVMTypeRef vec_type)
 
 
 boolean
-lp_check_value(union lp_type type, LLVMValueRef val) 
+lp_check_value(struct lp_type type, LLVMValueRef val) 
 {
    LLVMTypeRef vec_type;
 
@@ -143,25 +143,26 @@ lp_check_value(union lp_type type, LLVMValueRef val)
 
 
 LLVMTypeRef
-lp_build_int_elem_type(union lp_type type)
+lp_build_int_elem_type(struct lp_type type)
 {
    return LLVMIntType(type.width);
 }
 
 
 LLVMTypeRef
-lp_build_int_vec_type(union lp_type type)
+lp_build_int_vec_type(struct lp_type type)
 {
    LLVMTypeRef elem_type = lp_build_int_elem_type(type);
    return LLVMVectorType(elem_type, type.length);
 }
 
 
-union lp_type
-lp_int_type(union lp_type type)
+struct lp_type
+lp_int_type(struct lp_type type)
 {
-   union lp_type int_type;
-   int_type.value = 0;
+   struct lp_type int_type;
+
+   memset(&int_type, 0, sizeof int_type);
    int_type.width = type.width;
    int_type.length = type.length;
    return int_type;
@@ -171,7 +172,7 @@ lp_int_type(union lp_type type)
 void
 lp_build_context_init(struct lp_build_context *bld,
                       LLVMBuilderRef builder,
-                      union lp_type type)
+                      struct lp_type type)
 {
    bld->builder = builder;
    bld->type = type;
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_type.h b/src/gallium/drivers/llvmpipe/lp_bld_type.h
index 9933e0b45c3..ee5ca3483c1 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_type.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_type.h
@@ -56,58 +56,55 @@
  * on the types used for intermediate computations, such as signed vs unsigned,
  * normalized values, or fixed point.
  */
-union lp_type {
-   struct {
-      /** 
-       * Floating-point. Cannot be used with fixed. Integer numbers are
-       * represented by this zero.
-       */
-      unsigned floating:1;
-
-      /** 
-       * Fixed-point. Cannot be used with floating. Integer numbers are
-       * represented by this zero.
-       */
-      unsigned fixed:1;
-      
-      /** 
-       * Whether it can represent negative values or not.
-       *
-       * If this is not set for floating point, it means that all values are
-       * assumed to be positive.
-       */
-      unsigned sign:1;
-
-      /**
-       * Whether values are normalized to fit [0, 1] interval, or [-1, 1]
-       * interval for signed types.
-       *
-       * For integer types it means the representable integer range should be
-       * interpreted as the interval above.
-       *
-       * For floating and fixed point formats it means the values should be
-       * clamped to the interval above.
-       */
-      unsigned norm:1;
-
-      /**
-       * Element width.
-       *
-       * For fixed point values, the fixed point is assumed to be at half the
-       * width.
-       */
-      unsigned width:14;
-
-      /** 
-       * Vector length.
-       *
-       * width*length should be a power of two greater or equal to eight.
-       *
-       * @sa LP_MAX_VECTOR_LENGTH
-       */
-      unsigned length:14;
-   };
-   uint32_t value;
+struct lp_type {
+   /**
+    * Floating-point. Cannot be used with fixed. Integer numbers are
+    * represented by this zero.
+    */
+   unsigned floating:1;
+
+   /**
+    * Fixed-point. Cannot be used with floating. Integer numbers are
+    * represented by this zero.
+    */
+   unsigned fixed:1;
+
+   /**
+    * Whether it can represent negative values or not.
+    *
+    * If this is not set for floating point, it means that all values are
+    * assumed to be positive.
+    */
+   unsigned sign:1;
+
+   /**
+    * Whether values are normalized to fit [0, 1] interval, or [-1, 1]
+    * interval for signed types.
+    *
+    * For integer types it means the representable integer range should be
+    * interpreted as the interval above.
+    *
+    * For floating and fixed point formats it means the values should be
+    * clamped to the interval above.
+    */
+   unsigned norm:1;
+
+   /**
+    * Element width.
+    *
+    * For fixed point values, the fixed point is assumed to be at half the
+    * width.
+    */
+   unsigned width:14;
+
+   /**
+    * Vector length.
+    *
+    * width*length should be a power of two greater or equal to eight.
+    *
+    * @sa LP_MAX_VECTOR_LENGTH
+    */
+   unsigned length:14;
 };
 
 
@@ -124,7 +121,7 @@ struct lp_build_context
     * This not only describes the input/output LLVM types, but also whether
     * to normalize/clamp the results.
     */
-   union lp_type type;
+   struct lp_type type;
 
    /** Same as lp_build_undef(type) */
    LLVMValueRef undef;
@@ -138,41 +135,41 @@ struct lp_build_context
 
 
 LLVMTypeRef
-lp_build_elem_type(union lp_type type);
+lp_build_elem_type(struct lp_type type);
 
 
 LLVMTypeRef
-lp_build_vec_type(union lp_type type);
+lp_build_vec_type(struct lp_type type);
 
 
 boolean
-lp_check_elem_type(union lp_type type, LLVMTypeRef elem_type);
+lp_check_elem_type(struct lp_type type, LLVMTypeRef elem_type);
 
 
 boolean
-lp_check_vec_type(union lp_type type, LLVMTypeRef vec_type);
+lp_check_vec_type(struct lp_type type, LLVMTypeRef vec_type);
 
 
 boolean
-lp_check_value(union lp_type type, LLVMValueRef val);
+lp_check_value(struct lp_type type, LLVMValueRef val);
 
 
 LLVMTypeRef
-lp_build_int_elem_type(union lp_type type);
+lp_build_int_elem_type(struct lp_type type);
 
 
 LLVMTypeRef
-lp_build_int_vec_type(union lp_type type);
+lp_build_int_vec_type(struct lp_type type);
 
 
-union lp_type
-lp_int_type(union lp_type type);
+struct lp_type
+lp_int_type(struct lp_type type);
 
 
 void
 lp_build_context_init(struct lp_build_context *bld,
                       LLVMBuilderRef builder,
-                      union lp_type type);
+                      struct lp_type type);
 
 
 #endif /* !LP_BLD_TYPE_H */
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c
index 618cf1ffb8d..9faed5a0b18 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_fs.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c
@@ -133,13 +133,13 @@ generate_pos0(LLVMBuilderRef builder,
 static void
 generate_depth(LLVMBuilderRef builder,
                const struct lp_fragment_shader_variant_key *key,
-               union lp_type src_type,
+               struct lp_type src_type,
                struct lp_build_mask_context *mask,
                LLVMValueRef src,
                LLVMValueRef dst_ptr)
 {
    const struct util_format_description *format_desc;
-   union lp_type dst_type;
+   struct lp_type dst_type;
 
    if(!key->depth.enabled)
       return;
@@ -181,7 +181,7 @@ generate_fs(struct llvmpipe_context *lp,
             struct lp_fragment_shader *shader,
             const struct lp_fragment_shader_variant_key *key,
             LLVMBuilderRef builder,
-            union lp_type type,
+            struct lp_type type,
             LLVMValueRef context_ptr,
             unsigned i,
             const struct lp_build_interp_soa_context *interp,
@@ -299,7 +299,7 @@ generate_fs(struct llvmpipe_context *lp,
 static void
 generate_blend(const struct pipe_blend_state *blend,
                LLVMBuilderRef builder,
-               union lp_type type,
+               struct lp_type type,
                LLVMValueRef context_ptr,
                LLVMValueRef mask,
                LLVMValueRef *src,
@@ -364,8 +364,8 @@ generate_fragment(struct llvmpipe_context *lp,
 {
    struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen);
    struct lp_fragment_shader_variant *variant;
-   union lp_type fs_type;
-   union lp_type blend_type;
+   struct lp_type fs_type;
+   struct lp_type blend_type;
    LLVMTypeRef fs_elem_type;
    LLVMTypeRef fs_vec_type;
    LLVMTypeRef fs_int_vec_type;
@@ -431,7 +431,7 @@ generate_fragment(struct llvmpipe_context *lp,
    /* TODO: actually pick these based on the fs and color buffer
     * characteristics. */
 
-   fs_type.value = 0;
+   memset(&fs_type, 0, sizeof fs_type);
    fs_type.floating = TRUE; /* floating point values */
    fs_type.sign = TRUE;     /* values are signed */
    fs_type.norm = FALSE;    /* values are not limited to [0,1] or [-1,1] */
@@ -439,7 +439,7 @@ generate_fragment(struct llvmpipe_context *lp,
    fs_type.length = 4;      /* 4 element per vector */
    num_fs = 4;
 
-   blend_type.value = 0;
+   memset(&blend_type, 0, sizeof blend_type);
    blend_type.floating = FALSE; /* values are integers */
    blend_type.sign = FALSE;     /* values are unsigned */
    blend_type.norm = TRUE;      /* values are in [0,1] or [-1,1] */
diff --git a/src/gallium/drivers/llvmpipe/lp_test.h b/src/gallium/drivers/llvmpipe/lp_test.h
index 69aaae26e0a..a88e110c663 100644
--- a/src/gallium/drivers/llvmpipe/lp_test.h
+++ b/src/gallium/drivers/llvmpipe/lp_test.h
@@ -86,43 +86,43 @@ random_float(void);
 
 
 void
-dump_type(FILE *fp, union lp_type type);
+dump_type(FILE *fp, struct lp_type type);
 
 
 double
-read_elem(union lp_type type, const void *src, unsigned index);
+read_elem(struct lp_type type, const void *src, unsigned index);
 
 
 void
-write_elem(union lp_type type, void *dst, unsigned index, double src);
+write_elem(struct lp_type type, void *dst, unsigned index, double src);
 
 
 void
-random_elem(union lp_type type, void *dst, unsigned index);
+random_elem(struct lp_type type, void *dst, unsigned index);
 
 
 void
-read_vec(union lp_type type, const void *src, double *dst);
+read_vec(struct lp_type type, const void *src, double *dst);
 
 
 void
-write_vec(union lp_type type, void *dst, const double *src);
+write_vec(struct lp_type type, void *dst, const double *src);
 
 
 void
-random_vec(union lp_type type, void *dst);
+random_vec(struct lp_type type, void *dst);
 
 
 boolean
-compare_vec_with_eps(union lp_type type, const void *res, const void *ref, double eps);
+compare_vec_with_eps(struct lp_type type, const void *res, const void *ref, double eps);
 
 
 boolean
-compare_vec(union lp_type type, const void *res, const void *ref);
+compare_vec(struct lp_type type, const void *res, const void *ref);
 
 
 void
-dump_vec(FILE *fp, union lp_type type, const void *src);
+dump_vec(FILE *fp, struct lp_type type, const void *src);
 
 
 #endif /* !LP_TEST_H */
diff --git a/src/gallium/drivers/llvmpipe/lp_test_blend.c b/src/gallium/drivers/llvmpipe/lp_test_blend.c
index 8dfad468e3c..1b57ea2a5c2 100644
--- a/src/gallium/drivers/llvmpipe/lp_test_blend.c
+++ b/src/gallium/drivers/llvmpipe/lp_test_blend.c
@@ -80,7 +80,7 @@ static void
 write_tsv_row(FILE *fp,
               const struct pipe_blend_state *blend,
               enum vector_mode mode,
-              union lp_type type,
+              struct lp_type type,
               double cycles,
               boolean success)
 {
@@ -125,7 +125,7 @@ static void
 dump_blend_type(FILE *fp,
                 const struct pipe_blend_state *blend,
                 enum vector_mode mode,
-                union lp_type type)
+                struct lp_type type)
 {
    fprintf(fp, "%s", mode ? "soa" : "aos");
 
@@ -153,7 +153,7 @@ static LLVMValueRef
 add_blend_test(LLVMModuleRef module,
                const struct pipe_blend_state *blend,
                enum vector_mode mode,
-               union lp_type type)
+               struct lp_type type)
 {
    LLVMTypeRef ret_type;
    LLVMTypeRef vec_type;
@@ -467,7 +467,7 @@ test_one(unsigned verbose,
          FILE *fp,
          const struct pipe_blend_state *blend,
          enum vector_mode mode,
-         union lp_type type)
+         struct lp_type type)
 {
    LLVMModuleRef module = NULL;
    LLVMValueRef func = NULL;
@@ -765,10 +765,10 @@ blend_funcs[] = {
 };
 
 
-const union lp_type blend_types[] = {
+const struct lp_type blend_types[] = {
    /* float, fixed,  sign,  norm, width, len */
-   {{  TRUE, FALSE, FALSE,  TRUE,    32,   4 }}, /* f32 x 4 */
-   {{ FALSE, FALSE, FALSE,  TRUE,     8,  16 }}, /* u8n x 16 */
+   {   TRUE, FALSE, FALSE,  TRUE,    32,   4 }, /* f32 x 4 */
+   {  FALSE, FALSE, FALSE,  TRUE,     8,  16 }, /* u8n x 16 */
 };
 
 
@@ -788,7 +788,7 @@ test_all(unsigned verbose, FILE *fp)
    const unsigned *alpha_dst_factor;
    struct pipe_blend_state blend;
    enum vector_mode mode;
-   const union lp_type *type;
+   const struct lp_type *type;
    bool success = TRUE;
 
    for(rgb_func = blend_funcs; rgb_func < &blend_funcs[num_funcs]; ++rgb_func) {
@@ -841,7 +841,7 @@ test_some(unsigned verbose, FILE *fp, unsigned long n)
    const unsigned *alpha_dst_factor;
    struct pipe_blend_state blend;
    enum vector_mode mode;
-   const union lp_type *type;
+   const struct lp_type *type;
    unsigned long i;
    bool success = TRUE;
 
diff --git a/src/gallium/drivers/llvmpipe/lp_test_conv.c b/src/gallium/drivers/llvmpipe/lp_test_conv.c
index e6489834af5..ae2697143f4 100644
--- a/src/gallium/drivers/llvmpipe/lp_test_conv.c
+++ b/src/gallium/drivers/llvmpipe/lp_test_conv.c
@@ -59,8 +59,8 @@ write_tsv_header(FILE *fp)
 
 static void
 write_tsv_row(FILE *fp,
-              union lp_type src_type,
-              union lp_type dst_type,
+              struct lp_type src_type,
+              struct lp_type dst_type,
               double cycles,
               boolean success)
 {
@@ -80,8 +80,8 @@ write_tsv_row(FILE *fp,
 
 static void
 dump_conv_types(FILE *fp,
-               union lp_type src_type,
-               union lp_type dst_type)
+               struct lp_type src_type,
+               struct lp_type dst_type)
 {
    fprintf(fp, "src_type=");
    dump_type(fp, src_type);
@@ -96,8 +96,8 @@ dump_conv_types(FILE *fp,
 
 static LLVMValueRef
 add_conv_test(LLVMModuleRef module,
-              union lp_type src_type, unsigned num_srcs,
-              union lp_type dst_type, unsigned num_dsts)
+              struct lp_type src_type, unsigned num_srcs,
+              struct lp_type dst_type, unsigned num_dsts)
 {
    LLVMTypeRef args[2];
    LLVMValueRef func;
@@ -145,8 +145,8 @@ add_conv_test(LLVMModuleRef module,
 static boolean
 test_one(unsigned verbose,
          FILE *fp,
-         union lp_type src_type,
-         union lp_type dst_type)
+         struct lp_type src_type,
+         struct lp_type dst_type)
 {
    LLVMModuleRef module = NULL;
    LLVMValueRef func = NULL;
@@ -343,35 +343,35 @@ test_one(unsigned verbose,
 }
 
 
-const union lp_type conv_types[] = {
+const struct lp_type conv_types[] = {
    /* float, fixed,  sign,  norm, width, len */
 
-   {{  TRUE, FALSE,  TRUE,  TRUE,    32,   4 }},
-   {{  TRUE, FALSE,  TRUE, FALSE,    32,   4 }},
-   {{  TRUE, FALSE, FALSE,  TRUE,    32,   4 }},
-   {{  TRUE, FALSE, FALSE, FALSE,    32,   4 }},
+   {   TRUE, FALSE,  TRUE,  TRUE,    32,   4 },
+   {   TRUE, FALSE,  TRUE, FALSE,    32,   4 },
+   {   TRUE, FALSE, FALSE,  TRUE,    32,   4 },
+   {   TRUE, FALSE, FALSE, FALSE,    32,   4 },
 
    /* TODO: test fixed formats too */
 
-   {{ FALSE, FALSE,  TRUE,  TRUE,    16,   8 }},
-   {{ FALSE, FALSE,  TRUE, FALSE,    16,   8 }},
-   {{ FALSE, FALSE, FALSE,  TRUE,    16,   8 }},
-   {{ FALSE, FALSE, FALSE, FALSE,    16,   8 }},
-
-   {{ FALSE, FALSE,  TRUE,  TRUE,    32,   4 }},
-   {{ FALSE, FALSE,  TRUE, FALSE,    32,   4 }},
-   {{ FALSE, FALSE, FALSE,  TRUE,    32,   4 }},
-   {{ FALSE, FALSE, FALSE, FALSE,    32,   4 }},
-
-   {{ FALSE, FALSE,  TRUE,  TRUE,    16,   8 }},
-   {{ FALSE, FALSE,  TRUE, FALSE,    16,   8 }},
-   {{ FALSE, FALSE, FALSE,  TRUE,    16,   8 }},
-   {{ FALSE, FALSE, FALSE, FALSE,    16,   8 }},
-
-   {{ FALSE, FALSE,  TRUE,  TRUE,     8,  16 }},
-   {{ FALSE, FALSE,  TRUE, FALSE,     8,  16 }},
-   {{ FALSE, FALSE, FALSE,  TRUE,     8,  16 }},
-   {{ FALSE, FALSE, FALSE, FALSE,     8,  16 }},
+   {  FALSE, FALSE,  TRUE,  TRUE,    16,   8 },
+   {  FALSE, FALSE,  TRUE, FALSE,    16,   8 },
+   {  FALSE, FALSE, FALSE,  TRUE,    16,   8 },
+   {  FALSE, FALSE, FALSE, FALSE,    16,   8 },
+
+   {  FALSE, FALSE,  TRUE,  TRUE,    32,   4 },
+   {  FALSE, FALSE,  TRUE, FALSE,    32,   4 },
+   {  FALSE, FALSE, FALSE,  TRUE,    32,   4 },
+   {  FALSE, FALSE, FALSE, FALSE,    32,   4 },
+
+   {  FALSE, FALSE,  TRUE,  TRUE,    16,   8 },
+   {  FALSE, FALSE,  TRUE, FALSE,    16,   8 },
+   {  FALSE, FALSE, FALSE,  TRUE,    16,   8 },
+   {  FALSE, FALSE, FALSE, FALSE,    16,   8 },
+
+   {  FALSE, FALSE,  TRUE,  TRUE,     8,  16 },
+   {  FALSE, FALSE,  TRUE, FALSE,     8,  16 },
+   {  FALSE, FALSE, FALSE,  TRUE,     8,  16 },
+   {  FALSE, FALSE, FALSE, FALSE,     8,  16 },
 };
 
 
@@ -381,8 +381,8 @@ const unsigned num_types = sizeof(conv_types)/sizeof(conv_types[0]);
 boolean
 test_all(unsigned verbose, FILE *fp)
 {
-   const union lp_type *src_type;
-   const union lp_type *dst_type;
+   const struct lp_type *src_type;
+   const struct lp_type *dst_type;
    bool success = TRUE;
 
    for(src_type = conv_types; src_type < &conv_types[num_types]; ++src_type) {
@@ -407,8 +407,8 @@ test_all(unsigned verbose, FILE *fp)
 boolean
 test_some(unsigned verbose, FILE *fp, unsigned long n)
 {
-   const union lp_type *src_type;
-   const union lp_type *dst_type;
+   const struct lp_type *src_type;
+   const struct lp_type *dst_type;
    unsigned long i;
    bool success = TRUE;
 
diff --git a/src/gallium/drivers/llvmpipe/lp_test_main.c b/src/gallium/drivers/llvmpipe/lp_test_main.c
index 49213fb4f0b..c3bb8fadf70 100644
--- a/src/gallium/drivers/llvmpipe/lp_test_main.c
+++ b/src/gallium/drivers/llvmpipe/lp_test_main.c
@@ -40,7 +40,7 @@
 
 void
 dump_type(FILE *fp,
-          union lp_type type)
+          struct lp_type type)
 {
    fprintf(fp, "%s%s%u%sx%u",
            type.sign ? (type.floating || type.fixed ? "" : "s") : "u",
@@ -52,7 +52,7 @@ dump_type(FILE *fp,
 
 
 double
-read_elem(union lp_type type, const void *src, unsigned index)
+read_elem(struct lp_type type, const void *src, unsigned index)
 {
    double scale = lp_const_scale(type);
    double value;
@@ -115,7 +115,7 @@ read_elem(union lp_type type, const void *src, unsigned index)
 
 
 void
-write_elem(union lp_type type, void *dst, unsigned index, double value)
+write_elem(struct lp_type type, void *dst, unsigned index, double value)
 {
    assert(index < type.length);
    if(!type.sign && value < 0.0)
@@ -184,7 +184,7 @@ write_elem(union lp_type type, void *dst, unsigned index, double value)
 
 
 void
-random_elem(union lp_type type, void *dst, unsigned index)
+random_elem(struct lp_type type, void *dst, unsigned index)
 {
    double value;
    assert(index < type.length);
@@ -209,7 +209,7 @@ random_elem(union lp_type type, void *dst, unsigned index)
 
 
 void
-read_vec(union lp_type type, const void *src, double *dst)
+read_vec(struct lp_type type, const void *src, double *dst)
 {
    unsigned i;
    for (i = 0; i < type.length; ++i)
@@ -218,7 +218,7 @@ read_vec(union lp_type type, const void *src, double *dst)
 
 
 void
-write_vec(union lp_type type, void *dst, const double *src)
+write_vec(struct lp_type type, void *dst, const double *src)
 {
    unsigned i;
    for (i = 0; i < type.length; ++i)
@@ -234,7 +234,7 @@ random_float(void)
 
 
 void
-random_vec(union lp_type type, void *dst)
+random_vec(struct lp_type type, void *dst)
 {
    unsigned i;
    for (i = 0; i < type.length; ++i)
@@ -243,7 +243,7 @@ random_vec(union lp_type type, void *dst)
 
 
 boolean
-compare_vec_with_eps(union lp_type type, const void *res, const void *ref, double eps)
+compare_vec_with_eps(struct lp_type type, const void *res, const void *ref, double eps)
 {
    unsigned i;
    for (i = 0; i < type.length; ++i) {
@@ -259,7 +259,7 @@ compare_vec_with_eps(union lp_type type, const void *res, const void *ref, doubl
 
 
 boolean
-compare_vec(union lp_type type, const void *res, const void *ref)
+compare_vec(struct lp_type type, const void *res, const void *ref)
 {
    double eps = lp_const_eps(type);
    return compare_vec_with_eps(type, res, ref, eps);
@@ -267,7 +267,7 @@ compare_vec(union lp_type type, const void *res, const void *ref)
 
 
 void
-dump_vec(FILE *fp, union lp_type type, const void *src)
+dump_vec(FILE *fp, struct lp_type type, const void *src)
 {
    unsigned i;
    for (i = 0; i < type.length; ++i) {
diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample_c.c b/src/gallium/drivers/llvmpipe/lp_tex_sample_c.c
index 9a876f404df..a1365a045f1 100644
--- a/src/gallium/drivers/llvmpipe/lp_tex_sample_c.c
+++ b/src/gallium/drivers/llvmpipe/lp_tex_sample_c.c
@@ -1654,7 +1654,7 @@ lp_c_sampler_soa_destroy(struct lp_build_sampler_soa *sampler)
 static void
 lp_c_sampler_soa_emit_fetch_texel(struct lp_build_sampler_soa *_sampler,
                                   LLVMBuilderRef builder,
-                                  union lp_type type,
+                                  struct lp_type type,
                                   unsigned unit,
                                   unsigned num_coords,
                                   const LLVMValueRef *coords,
diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c b/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c
index 7d31705d014..d2a6ae21f57 100644
--- a/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c
+++ b/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c
@@ -149,7 +149,7 @@ lp_llvm_sampler_soa_destroy(struct lp_build_sampler_soa *sampler)
 static void
 lp_llvm_sampler_soa_emit_fetch_texel(struct lp_build_sampler_soa *base,
                                      LLVMBuilderRef builder,
-                                     union lp_type type,
+                                     struct lp_type type,
                                      unsigned unit,
                                      unsigned num_coords,
                                      const LLVMValueRef *coords,