diff options
Diffstat (limited to 'gcc/gimplify.c')
| -rw-r--r-- | gcc/gimplify.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c index 782adc3..a214134 100644 --- a/gcc/gimplify.c +++ b/gcc/gimplify.c @@ -7061,15 +7061,23 @@ gimplify_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p, ret = GS_OK; break; } - ret = gimplify_expr (&TREE_OPERAND (*expr_p, 0), pre_p, post_p, - is_gimple_mem_ref_addr, fb_rvalue); - if (ret == GS_ERROR) - break; + /* Avoid re-gimplifying the address operand if it is already + in suitable form. Re-gimplifying would mark the address + operand addressable. Always gimplify when not in SSA form + as we still may have to gimplify decls with value-exprs. */ + if (!gimplify_ctxp || !gimplify_ctxp->into_ssa + || !is_gimple_mem_ref_addr (TREE_OPERAND (*expr_p, 0))) + { + ret = gimplify_expr (&TREE_OPERAND (*expr_p, 0), pre_p, post_p, + is_gimple_mem_ref_addr, fb_rvalue); + if (ret == GS_ERROR) + break; + } recalculate_side_effects (*expr_p); ret = GS_ALL_DONE; break; - /* Constants need not be gimplified. */ + /* Constants need not be gimplified. */ case INTEGER_CST: case REAL_CST: case FIXED_CST: |