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2011-08-26 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / vec.h
diff --git a/gcc/vec.h b/gcc/vec.h
index 1d2f067..75fcdeb 100644 (file)
--- a/gcc/vec.h
+++ b/gcc/vec.h
@@ -442,6 +442,12 @@ along with GCC; see the file COPYING3.  If not see
 
 #define VEC_address(T,V)               (VEC_OP(T,base,address)(VEC_BASE(V)))
 
+/* Conveniently sort the contents of the vector with qsort.
+   void VEC_qsort (VEC(T) *v, int (*cmp_func)(const void *, const void *))  */
+
+#define VEC_qsort(T,V,CMP) qsort(VEC_address (T,V), VEC_length(T,V),   \
+                                sizeof (T), CMP)
+
 /* Find the first index in the vector not less than the object.
    unsigned VEC_T_lower_bound (VEC(T) *v, const T val,
                                bool (*lessthan) (const T, const T)); // Integer
@@ -500,6 +506,12 @@ extern void vec_assert_fail (const char *, const char * VEC_CHECK_DECL)
    VEC, DEF_VEC_*, and DEF_VEC_ALLOC_* macros.  If you change the
    expansions of these macros you may need to change gengtype too.  */
 
+typedef struct GTY(()) vec_prefix
+{
+  unsigned num;
+  unsigned alloc;
+} vec_prefix;
+
 #define VEC(T,A) VEC_##T##_##A
 #define VEC_OP(T,A,OP) VEC_##T##_##A##_##OP
 
@@ -507,17 +519,15 @@ extern void vec_assert_fail (const char *, const char * VEC_CHECK_DECL)
 #define VEC_T(T,B)                                                       \
 typedef struct VEC(T,B)                                                  \
 {                                                                        \
-  unsigned num;                                                                  \
-  unsigned alloc;                                                        \
+  struct vec_prefix prefix;                                              \
   T vec[1];                                                              \
 } VEC(T,B)
 
 #define VEC_T_GTY(T,B)                                                   \
 typedef struct GTY(()) VEC(T,B)                                                  \
 {                                                                        \
-  unsigned num;                                                                  \
-  unsigned alloc;                                                        \
-  T GTY ((length ("%h.num"))) vec[1];                                    \
+  struct vec_prefix prefix;                                              \
+  T GTY ((length ("%h.prefix.num"))) vec[1];                             \
 } VEC(T,B)
 
 /* Derived vector type, user visible.  */
@@ -573,21 +583,21 @@ struct vec_swallow_trailing_semi
 #define DEF_VEC_FUNC_P(T)                                                \
 static inline unsigned VEC_OP (T,base,length) (const VEC(T,base) *vec_)   \
 {                                                                        \
-  return vec_ ? vec_->num : 0;                                           \
+  return vec_ ? vec_->prefix.num : 0;                                            \
 }                                                                        \
                                                                          \
 static inline T VEC_OP (T,base,last)                                     \
      (const VEC(T,base) *vec_ VEC_CHECK_DECL)                            \
 {                                                                        \
-  VEC_ASSERT (vec_ && vec_->num, "last", T, base);                       \
+  VEC_ASSERT (vec_ && vec_->prefix.num, "last", T, base);                        \
                                                                          \
-  return vec_->vec[vec_->num - 1];                                       \
+  return vec_->vec[vec_->prefix.num - 1];                                        \
 }                                                                        \
                                                                          \
 static inline T VEC_OP (T,base,index)                                    \
      (const VEC(T,base) *vec_, unsigned ix_ VEC_CHECK_DECL)              \
 {                                                                        \
-  VEC_ASSERT (vec_ && ix_ < vec_->num, "index", T, base);                \
+  VEC_ASSERT (vec_ && ix_ < vec_->prefix.num, "index", T, base);                 \
                                                                          \
   return vec_->vec[ix_];                                                 \
 }                                                                        \
@@ -595,7 +605,7 @@ static inline T VEC_OP (T,base,index)                                         \
 static inline int VEC_OP (T,base,iterate)                                \
      (const VEC(T,base) *vec_, unsigned ix_, T *ptr)                     \
 {                                                                        \
-  if (vec_ && ix_ < vec_->num)                                           \
+  if (vec_ && ix_ < vec_->prefix.num)                                            \
     {                                                                    \
       *ptr = vec_->vec[ix_];                                             \
       return 1;                                                                  \
@@ -616,15 +626,15 @@ static inline size_t VEC_OP (T,base,embedded_size)                          \
 static inline void VEC_OP (T,base,embedded_init)                         \
      (VEC(T,base) *vec_, int alloc_)                                     \
 {                                                                        \
-  vec_->num = 0;                                                         \
-  vec_->alloc = alloc_;                                                          \
+  vec_->prefix.num = 0;                                                          \
+  vec_->prefix.alloc = alloc_;                                                   \
 }                                                                        \
                                                                          \
 static inline int VEC_OP (T,base,space)                                          \
      (VEC(T,base) *vec_, int alloc_ VEC_CHECK_DECL)                      \
 {                                                                        \
   VEC_ASSERT (alloc_ >= 0, "space", T, base);                            \
-  return vec_ ? vec_->alloc - vec_->num >= (unsigned)alloc_ : !alloc_;   \
+  return vec_ ? vec_->prefix.alloc - vec_->prefix.num >= (unsigned)alloc_ : !alloc_;     \
 }                                                                        \
                                                                          \
 static inline void VEC_OP(T,base,splice)                                 \
@@ -632,11 +642,11 @@ static inline void VEC_OP(T,base,splice)                            \
 {                                                                        \
   if (src_)                                                              \
     {                                                                    \
-      unsigned len_ = src_->num;                                         \
-      VEC_ASSERT (dst_->num + len_ <= dst_->alloc, "splice", T, base);   \
+      unsigned len_ = src_->prefix.num;                                          \
+      VEC_ASSERT (dst_->prefix.num + len_ <= dst_->prefix.alloc, "splice", T, base);     \
                                                                          \
-      memcpy (&dst_->vec[dst_->num], &src_->vec[0], len_ * sizeof (T));          \
-      dst_->num += len_;                                                 \
+      memcpy (&dst_->vec[dst_->prefix.num], &src_->vec[0], len_ * sizeof (T));   \
+      dst_->prefix.num += len_;                                                  \
     }                                                                    \
 }                                                                        \
                                                                          \
@@ -645,8 +655,8 @@ static inline T *VEC_OP (T,base,quick_push)                           \
 {                                                                        \
   T *slot_;                                                              \
                                                                          \
-  VEC_ASSERT (vec_->num < vec_->alloc, "push", T, base);                 \
-  slot_ = &vec_->vec[vec_->num++];                                       \
+  VEC_ASSERT (vec_->prefix.num < vec_->prefix.alloc, "push", T, base);           \
+  slot_ = &vec_->vec[vec_->prefix.num++];                                        \
   *slot_ = obj_;                                                         \
                                                                          \
   return slot_;                                                                  \
@@ -656,8 +666,8 @@ static inline T VEC_OP (T,base,pop) (VEC(T,base) *vec_ VEC_CHECK_DECL)        \
 {                                                                        \
   T obj_;                                                                \
                                                                          \
-  VEC_ASSERT (vec_->num, "pop", T, base);                                \
-  obj_ = vec_->vec[--vec_->num];                                         \
+  VEC_ASSERT (vec_->prefix.num, "pop", T, base);                                 \
+  obj_ = vec_->vec[--vec_->prefix.num];                                          \
                                                                          \
   return obj_;                                                           \
 }                                                                        \
@@ -665,9 +675,9 @@ static inline T VEC_OP (T,base,pop) (VEC(T,base) *vec_ VEC_CHECK_DECL)        \
 static inline void VEC_OP (T,base,truncate)                              \
      (VEC(T,base) *vec_, unsigned size_ VEC_CHECK_DECL)                          \
 {                                                                        \
-  VEC_ASSERT (vec_ ? vec_->num >= size_ : !size_, "truncate", T, base);          \
+  VEC_ASSERT (vec_ ? vec_->prefix.num >= size_ : !size_, "truncate", T, base);   \
   if (vec_)                                                              \
-    vec_->num = size_;                                                   \
+    vec_->prefix.num = size_;                                                    \
 }                                                                        \
                                                                          \
 static inline T VEC_OP (T,base,replace)                                          \
@@ -675,7 +685,7 @@ static inline T VEC_OP (T,base,replace)                                       \
 {                                                                        \
   T old_obj_;                                                            \
                                                                          \
-  VEC_ASSERT (ix_ < vec_->num, "replace", T, base);                      \
+  VEC_ASSERT (ix_ < vec_->prefix.num, "replace", T, base);                       \
   old_obj_ = vec_->vec[ix_];                                             \
   vec_->vec[ix_] = obj_;                                                 \
                                                                          \
@@ -687,10 +697,10 @@ static inline T *VEC_OP (T,base,quick_insert)                               \
 {                                                                        \
   T *slot_;                                                              \
                                                                          \
-  VEC_ASSERT (vec_->num < vec_->alloc, "insert", T, base);               \
-  VEC_ASSERT (ix_ <= vec_->num, "insert", T, base);                      \
+  VEC_ASSERT (vec_->prefix.num < vec_->prefix.alloc, "insert", T, base);                 \
+  VEC_ASSERT (ix_ <= vec_->prefix.num, "insert", T, base);                       \
   slot_ = &vec_->vec[ix_];                                               \
-  memmove (slot_ + 1, slot_, (vec_->num++ - ix_) * sizeof (T));                  \
+  memmove (slot_ + 1, slot_, (vec_->prefix.num++ - ix_) * sizeof (T));           \
   *slot_ = obj_;                                                         \
                                                                          \
   return slot_;                                                                  \
@@ -702,10 +712,10 @@ static inline T VEC_OP (T,base,ordered_remove)                              \
   T *slot_;                                                              \
   T obj_;                                                                \
                                                                          \
-  VEC_ASSERT (ix_ < vec_->num, "remove", T, base);                       \
+  VEC_ASSERT (ix_ < vec_->prefix.num, "remove", T, base);                        \
   slot_ = &vec_->vec[ix_];                                               \
   obj_ = *slot_;                                                         \
-  memmove (slot_, slot_ + 1, (--vec_->num - ix_) * sizeof (T));          \
+  memmove (slot_, slot_ + 1, (--vec_->prefix.num - ix_) * sizeof (T));           \
                                                                          \
   return obj_;                                                           \
 }                                                                        \
@@ -716,10 +726,10 @@ static inline T VEC_OP (T,base,unordered_remove)                    \
   T *slot_;                                                              \
   T obj_;                                                                \
                                                                          \
-  VEC_ASSERT (ix_ < vec_->num, "remove", T, base);                       \
+  VEC_ASSERT (ix_ < vec_->prefix.num, "remove", T, base);                        \
   slot_ = &vec_->vec[ix_];                                               \
   obj_ = *slot_;                                                         \
-  *slot_ = vec_->vec[--vec_->num];                                       \
+  *slot_ = vec_->vec[--vec_->prefix.num];                                        \
                                                                          \
   return obj_;                                                           \
 }                                                                        \
@@ -729,10 +739,10 @@ static inline void VEC_OP (T,base,block_remove)                             \
 {                                                                        \
   T *slot_;                                                              \
                                                                          \
-  VEC_ASSERT (ix_ + len_ <= vec_->num, "block_remove", T, base);         \
+  VEC_ASSERT (ix_ + len_ <= vec_->prefix.num, "block_remove", T, base);          \
   slot_ = &vec_->vec[ix_];                                               \
-  vec_->num -= len_;                                                     \
-  memmove (slot_, slot_ + len_, (vec_->num - ix_) * sizeof (T));         \
+  vec_->prefix.num -= len_;                                                      \
+  memmove (slot_, slot_ + len_, (vec_->prefix.num - ix_) * sizeof (T));          \
 }                                                                        \
                                                                          \
 static inline T *VEC_OP (T,base,address)                                 \
@@ -787,7 +797,7 @@ static inline void VEC_OP (T,A,free)                                          \
                                                                          \
 static inline VEC(T,A) *VEC_OP (T,A,copy) (VEC(T,base) *vec_ MEM_STAT_DECL) \
 {                                                                        \
-  size_t len_ = vec_ ? vec_->num : 0;                                    \
+  size_t len_ = vec_ ? vec_->prefix.num : 0;                                     \
   VEC (T,A) *new_vec_ = NULL;                                            \
                                                                          \
   if (len_)                                                              \
@@ -795,7 +805,7 @@ static inline VEC(T,A) *VEC_OP (T,A,copy) (VEC(T,base) *vec_ MEM_STAT_DECL) \
       new_vec_ = (VEC (T,A) *)(vec_##A##_p_reserve_exact                 \
                               (NULL, len_ PASS_MEM_STAT));               \
                                                                          \
-      new_vec_->base.num = len_;                                         \
+      new_vec_->base.prefix.num = len_;                                          \
       memcpy (new_vec_->base.vec, vec_->vec, sizeof (T) * len_);         \
     }                                                                    \
   return new_vec_;                                                       \
@@ -833,9 +843,9 @@ static inline void VEC_OP (T,A,safe_grow)                             \
              && VEC_OP(T,base,length) VEC_BASE(*vec_) <= (unsigned)size_, \
                                                 "grow", T, A);           \
   VEC_OP (T,A,reserve_exact) (vec_,                                      \
-                             size_ - (int)(*vec_ ? VEC_BASE(*vec_)->num : 0) \
+                             size_ - (int)(*vec_ ? VEC_BASE(*vec_)->prefix.num : 0) \
                              VEC_CHECK_PASS PASS_MEM_STAT);              \
-  VEC_BASE (*vec_)->num = size_;                                         \
+  VEC_BASE (*vec_)->prefix.num = size_;                                          \
 }                                                                        \
                                                                          \
 static inline void VEC_OP (T,A,safe_grow_cleared)                        \
@@ -852,7 +862,7 @@ static inline void VEC_OP(T,A,safe_splice)                            \
 {                                                                        \
   if (src_)                                                              \
     {                                                                    \
-      VEC_OP (T,A,reserve_exact) (dst_, src_->num                        \
+      VEC_OP (T,A,reserve_exact) (dst_, src_->prefix.num                         \
                                  VEC_CHECK_PASS MEM_STAT_INFO);          \
                                                                          \
       VEC_OP (T,base,splice) (VEC_BASE (*dst_), src_                     \
@@ -892,20 +902,20 @@ struct vec_swallow_trailing_semi
 #define DEF_VEC_FUNC_O(T)                                                \
 static inline unsigned VEC_OP (T,base,length) (const VEC(T,base) *vec_)          \
 {                                                                        \
-  return vec_ ? vec_->num : 0;                                           \
+  return vec_ ? vec_->prefix.num : 0;                                            \
 }                                                                        \
                                                                          \
 static inline T *VEC_OP (T,base,last) (VEC(T,base) *vec_ VEC_CHECK_DECL)  \
 {                                                                        \
-  VEC_ASSERT (vec_ && vec_->num, "last", T, base);                       \
+  VEC_ASSERT (vec_ && vec_->prefix.num, "last", T, base);                        \
                                                                          \
-  return &vec_->vec[vec_->num - 1];                                      \
+  return &vec_->vec[vec_->prefix.num - 1];                                       \
 }                                                                        \
                                                                          \
 static inline T *VEC_OP (T,base,index)                                   \
      (VEC(T,base) *vec_, unsigned ix_ VEC_CHECK_DECL)                    \
 {                                                                        \
-  VEC_ASSERT (vec_ && ix_ < vec_->num, "index", T, base);                \
+  VEC_ASSERT (vec_ && ix_ < vec_->prefix.num, "index", T, base);                 \
                                                                          \
   return &vec_->vec[ix_];                                                \
 }                                                                        \
@@ -913,7 +923,7 @@ static inline T *VEC_OP (T,base,index)                                        \
 static inline int VEC_OP (T,base,iterate)                                \
      (VEC(T,base) *vec_, unsigned ix_, T **ptr)                                  \
 {                                                                        \
-  if (vec_ && ix_ < vec_->num)                                           \
+  if (vec_ && ix_ < vec_->prefix.num)                                            \
     {                                                                    \
       *ptr = &vec_->vec[ix_];                                            \
       return 1;                                                                  \
@@ -934,15 +944,15 @@ static inline size_t VEC_OP (T,base,embedded_size)                          \
 static inline void VEC_OP (T,base,embedded_init)                         \
      (VEC(T,base) *vec_, int alloc_)                                     \
 {                                                                        \
-  vec_->num = 0;                                                         \
-  vec_->alloc = alloc_;                                                          \
+  vec_->prefix.num = 0;                                                          \
+  vec_->prefix.alloc = alloc_;                                                   \
 }                                                                        \
                                                                          \
 static inline int VEC_OP (T,base,space)                                          \
      (VEC(T,base) *vec_, int alloc_ VEC_CHECK_DECL)                      \
 {                                                                        \
   VEC_ASSERT (alloc_ >= 0, "space", T, base);                            \
-  return vec_ ? vec_->alloc - vec_->num >= (unsigned)alloc_ : !alloc_;   \
+  return vec_ ? vec_->prefix.alloc - vec_->prefix.num >= (unsigned)alloc_ : !alloc_;     \
 }                                                                        \
                                                                          \
 static inline void VEC_OP(T,base,splice)                                 \
@@ -950,11 +960,11 @@ static inline void VEC_OP(T,base,splice)                            \
 {                                                                        \
   if (src_)                                                              \
     {                                                                    \
-      unsigned len_ = src_->num;                                         \
-      VEC_ASSERT (dst_->num + len_ <= dst_->alloc, "splice", T, base);   \
+      unsigned len_ = src_->prefix.num;                                          \
+      VEC_ASSERT (dst_->prefix.num + len_ <= dst_->prefix.alloc, "splice", T, base);     \
                                                                          \
-      memcpy (&dst_->vec[dst_->num], &src_->vec[0], len_ * sizeof (T));          \
-      dst_->num += len_;                                                 \
+      memcpy (&dst_->vec[dst_->prefix.num], &src_->vec[0], len_ * sizeof (T));   \
+      dst_->prefix.num += len_;                                                  \
     }                                                                    \
 }                                                                        \
                                                                          \
@@ -963,8 +973,8 @@ static inline T *VEC_OP (T,base,quick_push)                           \
 {                                                                        \
   T *slot_;                                                              \
                                                                          \
-  VEC_ASSERT (vec_->num < vec_->alloc, "push", T, base);                 \
-  slot_ = &vec_->vec[vec_->num++];                                       \
+  VEC_ASSERT (vec_->prefix.num < vec_->prefix.alloc, "push", T, base);           \
+  slot_ = &vec_->vec[vec_->prefix.num++];                                        \
   if (obj_)                                                              \
     *slot_ = *obj_;                                                      \
                                                                          \
@@ -973,16 +983,16 @@ static inline T *VEC_OP (T,base,quick_push)                                 \
                                                                          \
 static inline void VEC_OP (T,base,pop) (VEC(T,base) *vec_ VEC_CHECK_DECL) \
 {                                                                        \
-  VEC_ASSERT (vec_->num, "pop", T, base);                                \
-  --vec_->num;                                                           \
+  VEC_ASSERT (vec_->prefix.num, "pop", T, base);                                 \
+  --vec_->prefix.num;                                                            \
 }                                                                        \
                                                                          \
 static inline void VEC_OP (T,base,truncate)                              \
      (VEC(T,base) *vec_, unsigned size_ VEC_CHECK_DECL)                          \
 {                                                                        \
-  VEC_ASSERT (vec_ ? vec_->num >= size_ : !size_, "truncate", T, base);          \
+  VEC_ASSERT (vec_ ? vec_->prefix.num >= size_ : !size_, "truncate", T, base);   \
   if (vec_)                                                              \
-    vec_->num = size_;                                                   \
+    vec_->prefix.num = size_;                                                    \
 }                                                                        \
                                                                          \
 static inline T *VEC_OP (T,base,replace)                                 \
@@ -990,7 +1000,7 @@ static inline T *VEC_OP (T,base,replace)                             \
 {                                                                        \
   T *slot_;                                                              \
                                                                          \
-  VEC_ASSERT (ix_ < vec_->num, "replace", T, base);                      \
+  VEC_ASSERT (ix_ < vec_->prefix.num, "replace", T, base);                       \
   slot_ = &vec_->vec[ix_];                                               \
   if (obj_)                                                              \
     *slot_ = *obj_;                                                      \
@@ -1003,10 +1013,10 @@ static inline T *VEC_OP (T,base,quick_insert)                             \
 {                                                                        \
   T *slot_;                                                              \
                                                                          \
-  VEC_ASSERT (vec_->num < vec_->alloc, "insert", T, base);               \
-  VEC_ASSERT (ix_ <= vec_->num, "insert", T, base);                      \
+  VEC_ASSERT (vec_->prefix.num < vec_->prefix.alloc, "insert", T, base);                 \
+  VEC_ASSERT (ix_ <= vec_->prefix.num, "insert", T, base);                       \
   slot_ = &vec_->vec[ix_];                                               \
-  memmove (slot_ + 1, slot_, (vec_->num++ - ix_) * sizeof (T));                  \
+  memmove (slot_ + 1, slot_, (vec_->prefix.num++ - ix_) * sizeof (T));           \
   if (obj_)                                                              \
     *slot_ = *obj_;                                                      \
                                                                          \
@@ -1018,16 +1028,16 @@ static inline void VEC_OP (T,base,ordered_remove)                         \
 {                                                                        \
   T *slot_;                                                              \
                                                                          \
-  VEC_ASSERT (ix_ < vec_->num, "remove", T, base);                       \
+  VEC_ASSERT (ix_ < vec_->prefix.num, "remove", T, base);                        \
   slot_ = &vec_->vec[ix_];                                               \
-  memmove (slot_, slot_ + 1, (--vec_->num - ix_) * sizeof (T));                  \
+  memmove (slot_, slot_ + 1, (--vec_->prefix.num - ix_) * sizeof (T));           \
 }                                                                        \
                                                                          \
 static inline void VEC_OP (T,base,unordered_remove)                      \
      (VEC(T,base) *vec_, unsigned ix_ VEC_CHECK_DECL)                    \
 {                                                                        \
-  VEC_ASSERT (ix_ < vec_->num, "remove", T, base);                       \
-  vec_->vec[ix_] = vec_->vec[--vec_->num];                               \
+  VEC_ASSERT (ix_ < vec_->prefix.num, "remove", T, base);                        \
+  vec_->vec[ix_] = vec_->vec[--vec_->prefix.num];                                \
 }                                                                        \
                                                                          \
 static inline void VEC_OP (T,base,block_remove)                                  \
@@ -1035,10 +1045,10 @@ static inline void VEC_OP (T,base,block_remove)                           \
 {                                                                        \
   T *slot_;                                                              \
                                                                          \
-  VEC_ASSERT (ix_ + len_ <= vec_->num, "block_remove", T, base);         \
+  VEC_ASSERT (ix_ + len_ <= vec_->prefix.num, "block_remove", T, base);          \
   slot_ = &vec_->vec[ix_];                                               \
-  vec_->num -= len_;                                                     \
-  memmove (slot_, slot_ + len_, (vec_->num - ix_) * sizeof (T));         \
+  vec_->prefix.num -= len_;                                                      \
+  memmove (slot_, slot_ + len_, (vec_->prefix.num - ix_) * sizeof (T));          \
 }                                                                        \
                                                                          \
 static inline T *VEC_OP (T,base,address)                                 \
@@ -1086,7 +1096,7 @@ static inline VEC(T,A) *VEC_OP (T,A,alloc)                          \
 #define DEF_VEC_NONALLOC_FUNCS_O(T,A)                                    \
 static inline VEC(T,A) *VEC_OP (T,A,copy) (VEC(T,base) *vec_ MEM_STAT_DECL) \
 {                                                                        \
-  size_t len_ = vec_ ? vec_->num : 0;                                    \
+  size_t len_ = vec_ ? vec_->prefix.num : 0;                                     \
   VEC (T,A) *new_vec_ = NULL;                                            \
                                                                          \
   if (len_)                                                              \
@@ -1096,7 +1106,7 @@ static inline VEC(T,A) *VEC_OP (T,A,copy) (VEC(T,base) *vec_ MEM_STAT_DECL) \
                                offsetof (VEC(T,A),base.vec), sizeof (T)  \
                                PASS_MEM_STAT));                          \
                                                                          \
-      new_vec_->base.num = len_;                                         \
+      new_vec_->base.prefix.num = len_;                                          \
       memcpy (new_vec_->base.vec, vec_->vec, sizeof (T) * len_);         \
     }                                                                    \
   return new_vec_;                                                       \
@@ -1147,9 +1157,9 @@ static inline void VEC_OP (T,A,safe_grow)                           \
              && VEC_OP(T,base,length) VEC_BASE(*vec_) <= (unsigned)size_, \
                                                 "grow", T, A);           \
   VEC_OP (T,A,reserve_exact) (vec_,                                      \
-                             size_ - (int)(*vec_ ? VEC_BASE(*vec_)->num : 0) \
+                             size_ - (int)(*vec_ ? VEC_BASE(*vec_)->prefix.num : 0) \
                              VEC_CHECK_PASS PASS_MEM_STAT);              \
-  VEC_BASE (*vec_)->num = size_;                                         \
+  VEC_BASE (*vec_)->prefix.num = size_;                                          \
 }                                                                        \
                                                                          \
 static inline void VEC_OP (T,A,safe_grow_cleared)                        \
@@ -1166,7 +1176,7 @@ static inline void VEC_OP(T,A,safe_splice)                                  \
 {                                                                        \
   if (src_)                                                              \
     {                                                                    \
-      VEC_OP (T,A,reserve_exact) (dst_, src_->num                        \
+      VEC_OP (T,A,reserve_exact) (dst_, src_->prefix.num                         \
                                  VEC_CHECK_PASS MEM_STAT_INFO);          \
                                                                          \
       VEC_OP (T,base,splice) (VEC_BASE (*dst_), src_                     \
@@ -1204,7 +1214,7 @@ static inline VEC(T,A) *VEC_OP (T,A,alloc)                          \
 #define DEF_VEC_NONALLOC_FUNCS_I(T,A)                                    \
 static inline VEC(T,A) *VEC_OP (T,A,copy) (VEC(T,base) *vec_ MEM_STAT_DECL) \
 {                                                                        \
-  size_t len_ = vec_ ? vec_->num : 0;                                    \
+  size_t len_ = vec_ ? vec_->prefix.num : 0;                                     \
   VEC (T,A) *new_vec_ = NULL;                                            \
                                                                          \
   if (len_)                                                              \
@@ -1214,7 +1224,7 @@ static inline VEC(T,A) *VEC_OP (T,A,copy) (VEC(T,base) *vec_ MEM_STAT_DECL) \
                                offsetof (VEC(T,A),base.vec), sizeof (T)  \
                                PASS_MEM_STAT));                          \
                                                                          \
-      new_vec_->base.num = len_;                                         \
+      new_vec_->base.prefix.num = len_;                                          \
       memcpy (new_vec_->base.vec, vec_->vec, sizeof (T) * len_);         \
     }                                                                    \
   return new_vec_;                                                       \
@@ -1264,9 +1274,9 @@ static inline void VEC_OP (T,A,safe_grow)                           \
              && VEC_OP(T,base,length) VEC_BASE(*vec_) <= (unsigned)size_, \
                                                 "grow", T, A);           \
   VEC_OP (T,A,reserve_exact) (vec_,                                      \
-                             size_ - (int)(*vec_ ? VEC_BASE(*vec_)->num : 0) \
+                             size_ - (int)(*vec_ ? VEC_BASE(*vec_)->prefix.num : 0) \
                              VEC_CHECK_PASS PASS_MEM_STAT);              \
-  VEC_BASE (*vec_)->num = size_;                                         \
+  VEC_BASE (*vec_)->prefix.num = size_;                                          \
 }                                                                        \
                                                                          \
 static inline void VEC_OP (T,A,safe_grow_cleared)                        \
@@ -1283,7 +1293,7 @@ static inline void VEC_OP(T,A,safe_splice)                                  \
 {                                                                        \
   if (src_)                                                              \
     {                                                                    \
-      VEC_OP (T,A,reserve_exact) (dst_, src_->num                        \
+      VEC_OP (T,A,reserve_exact) (dst_, src_->prefix.num                         \
                                  VEC_CHECK_PASS MEM_STAT_INFO);          \
                                                                          \
       VEC_OP (T,base,splice) (VEC_BASE (*dst_), src_                     \
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