diff options
| author | amacleod <amacleod@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-09-30 14:33:53 +0000 |
|---|---|---|
| committer | amacleod <amacleod@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-09-30 14:33:53 +0000 |
| commit | fd12afe977eb820f18c597fb29904d83904240ea (patch) | |
| tree | 65d4c34b798ef798c112286b2ed77aff525f9049 /gcc/tree-ssa-operands.c | |
| parent | 792bb14e2e3c41b08cf1d8c5eef607dbfbe738cf (diff) | |
| download | gcc-fd12afe977eb820f18c597fb29904d83904240ea.tar.gz | |
2005-09-30 Andrew Macleod <amacleod@redat.com>
PR tree-optimization/21430
* tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
use operands, and set stmt pointer if need be.
(FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
present.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104816 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-operands.c')
| -rw-r--r-- | gcc/tree-ssa-operands.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/tree-ssa-operands.c b/gcc/tree-ssa-operands.c index 5b1e4454e4d..1c592573e81 100644 --- a/gcc/tree-ssa-operands.c +++ b/gcc/tree-ssa-operands.c @@ -511,6 +511,24 @@ correct_use_link (use_operand_p ptr, tree stmt) } +/* This routine makes sure that PTR is in an immediate use list, and makes + sure the stmt pointer is set to the current stmt. Virtual uses do not need + the overhead of correct_use_link since they cannot be directly manipulated + like a real use can be. (They don't exist in the TREE_OPERAND nodes.) */ +static inline void +set_virtual_use_link (use_operand_p ptr, tree stmt) +{ + /* Fold_stmt () may have changed the stmt pointers. */ + if (ptr->stmt != stmt) + ptr->stmt = stmt; + + /* If this use isn't in a list, add it to the correct list. */ + if (!ptr->prev) + link_imm_use (ptr, *(ptr->use)); +} + + + #define FINALIZE_OPBUILD build_defs #define FINALIZE_OPBUILD_BASE(I) opbuild_elem_real (&build_defs, (I)) #define FINALIZE_OPBUILD_ELEM(I) opbuild_elem_real (&build_defs, (I)) @@ -553,6 +571,7 @@ finalize_ssa_defs (tree stmt) #define FINALIZE_ELEM(PTR) ((PTR)->use_ptr.use) #define FINALIZE_OPS USE_OPS #define FINALIZE_USE_PTR(PTR) USE_OP_PTR (PTR) +#define FINALIZE_CORRECT_USE correct_use_link #define FINALIZE_BASE(VAR) VAR #define FINALIZE_BASE_TYPE tree * #define FINALIZE_BASE_ZERO NULL @@ -596,6 +615,7 @@ finalize_ssa_uses (tree stmt) #define FINALIZE_ELEM(PTR) MAYDEF_RESULT (PTR) #define FINALIZE_OPS MAYDEF_OPS #define FINALIZE_USE_PTR(PTR) MAYDEF_OP_PTR (PTR) +#define FINALIZE_CORRECT_USE set_virtual_use_link #define FINALIZE_BASE_ZERO 0 #define FINALIZE_BASE(VAR) ((TREE_CODE (VAR) == SSA_NAME) \ ? DECL_UID (SSA_NAME_VAR (VAR)) : DECL_UID ((VAR))) @@ -647,6 +667,7 @@ cleanup_v_may_defs (void) #define FINALIZE_ELEM(PTR) VUSE_OP (PTR) #define FINALIZE_OPS VUSE_OPS #define FINALIZE_USE_PTR(PTR) VUSE_OP_PTR (PTR) +#define FINALIZE_CORRECT_USE set_virtual_use_link #define FINALIZE_BASE_ZERO 0 #define FINALIZE_BASE(VAR) ((TREE_CODE (VAR) == SSA_NAME) \ ? DECL_UID (SSA_NAME_VAR (VAR)) : DECL_UID ((VAR))) @@ -740,6 +761,7 @@ finalize_ssa_vuses (tree stmt) #define FINALIZE_ELEM(PTR) MUSTDEF_RESULT (PTR) #define FINALIZE_OPS MUSTDEF_OPS #define FINALIZE_USE_PTR(PTR) MUSTDEF_KILL_PTR (PTR) +#define FINALIZE_CORRECT_USE set_virtual_use_link #define FINALIZE_BASE_ZERO 0 #define FINALIZE_BASE(VAR) ((TREE_CODE (VAR) == SSA_NAME) \ ? DECL_UID (SSA_NAME_VAR (VAR)) : DECL_UID ((VAR))) |