diff options
| author | Nathan Sidwell <nathan@codesourcery.com> | 2005-12-01 12:20:20 +0000 |
|---|---|---|
| committer | Nathan Sidwell <nathan@codesourcery.com> | 2005-12-01 12:20:20 +0000 |
| commit | 0f3f396ba0d7d602dc2e6b3bf73f07e429286662 (patch) | |
| tree | 77bed436cfc4b173dec8644258fba81df08eef57 /gcc/vec.h | |
| parent | 106b1a3dce473123635e6e6c476d9c0d7222d02d (diff) | |
* vec.h (VEC_block_remove): New.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@107817 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/vec.h')
| -rw-r--r-- | gcc/vec.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/vec.h b/gcc/vec.h index 586797a6eec..93453a895ed 100644 --- a/gcc/vec.h +++ b/gcc/vec.h @@ -366,6 +366,15 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA #define VEC_unordered_remove(T,V,I) \ (VEC_OP(T,base,unordered_remove)(VEC_BASE(V),I VEC_CHECK_INFO)) +/* Remove a block of elements + void VEC_T_block_remove (VEC(T) *v, unsigned ix, unsigned len); + + Remove LEN elements starting at the IXth. Ordering is retained. + This is an O(1) operation. */ + +#define VEC_block_remove(T,V,I,L) \ + (VEC_OP(T,base,block_remove)(VEC_BASE(V),I,L VEC_CHECK_INFO)) + /* Get the address of the array of elements T *VEC_T_address (VEC(T) v) @@ -636,6 +645,17 @@ static inline T VEC_OP (T,base,unordered_remove) \ return obj_; \ } \ \ +static inline void VEC_OP (T,base,block_remove) \ + (VEC(T,base) *vec_, unsigned ix_, unsigned len_ VEC_CHECK_DECL) \ +{ \ + T *slot_; \ + \ + VEC_ASSERT (ix_ + len_ <= vec_->num, "block_remove", T, base); \ + slot_ = &vec_->vec[ix_]; \ + vec_->num -= len_; \ + memmove (slot_, slot_ + len_, (vec_->num - ix_) * sizeof (T)); \ +} \ + \ static inline T *VEC_OP (T,base,address) \ (VEC(T,base) *vec_) \ { \ @@ -886,6 +906,17 @@ static inline void VEC_OP (T,base,unordered_remove) \ vec_->vec[ix_] = vec_->vec[--vec_->num]; \ } \ \ +static inline void VEC_OP (T,base,block_remove) \ + (VEC(T,base) *vec_, unsigned ix_, unsigned len_ VEC_CHECK_DECL) \ +{ \ + T *slot_; \ + \ + VEC_ASSERT (ix_ + len_ <= vec_->num, "block_remove", T, base); \ + slot_ = &vec_->vec[ix_]; \ + vec_->num -= len_; \ + memmove (slot_, slot_ + len_, (vec_->num - ix_) * sizeof (T)); \ +} \ + \ static inline T *VEC_OP (T,base,address) \ (VEC(T,base) *vec_) \ { \ |