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| author | Richard Henderson <rth@redhat.com> | 2004-07-30 15:55:30 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2004-07-30 15:55:30 -0700 |
| commit | 0534fa565255cf56d5771ea92522403947d4bbd4 (patch) | |
| tree | b8e5fa782f1cf0143b461a419b9a4855d6b9c559 /gcc/tree-ssa-ccp.c | |
| parent | 782700d4f2d37e2ee883594032d6748aef983165 (diff) | |
| download | gcc-0534fa565255cf56d5771ea92522403947d4bbd4.zip gcc-0534fa565255cf56d5771ea92522403947d4bbd4.tar.gz gcc-0534fa565255cf56d5771ea92522403947d4bbd4.tar.bz2 | |
gimplify.c (gimplify_expr): Don't replace with DECL_INITIAL if fb_lvalue.
* gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
with DECL_INITIAL if fb_lvalue.
* tree-gimple.c (is_gimple_id): Add CONST_DECL.
* tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
with <Cxxx>.
* tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
fortran/
* trans-expr.c (gfc_conv_expr_reference): Create a CONST_DECL
for TREE_CONSTANTs.
testsuite/
* gfortran.fortran-torture/execute/intrinsic_rrspacing.f90: Fix
write to constant argument.
* gfortran.fortran-torture/execute/intrinsic_scale.f90: Likewise.
From-SVN: r85365
Diffstat (limited to 'gcc/tree-ssa-ccp.c')
| -rw-r--r-- | gcc/tree-ssa-ccp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c index c8ab92a..f883e37 100644 --- a/gcc/tree-ssa-ccp.c +++ b/gcc/tree-ssa-ccp.c @@ -1868,6 +1868,11 @@ maybe_fold_stmt_indirect (tree expr, tree base, tree offset) /* Strip the ADDR_EXPR. */ base = TREE_OPERAND (base, 0); + /* Fold away CONST_DECL to its value, if the type is scalar. */ + if (TREE_CODE (base) == CONST_DECL + && is_gimple_min_invariant (DECL_INITIAL (base))) + return DECL_INITIAL (base); + /* Try folding *(&B+O) to B[X]. */ t = maybe_fold_offset_to_array_ref (base, offset, TREE_TYPE (expr)); if (t) |