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| author | Tom de Vries <tom@codesourcery.com> | 2015-04-28 20:58:51 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2015-04-28 20:58:51 +0000 |
| commit | ecd0e562138661c58ed667767383c49b848247cf (patch) | |
| tree | d6c01e7b9faf57b69953dd6922f0884dd41daccb /gcc/gimplify.c | |
| parent | 2a26eef835096987aa2fcf6fdb0c187f01075c04 (diff) | |
| download | gcc-ecd0e562138661c58ed667767383c49b848247cf.zip gcc-ecd0e562138661c58ed667767383c49b848247cf.tar.gz gcc-ecd0e562138661c58ed667767383c49b848247cf.tar.bz2 | |
Remove ifn_va_arg ap fixup
2015-04-28 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/65887
* gimplify.c (gimplify_modify_expr): Remove ifn_va_arg ap fixup.
* c-common.c (build_va_arg): Mark va_arg ap argument as addressable.
From-SVN: r222546
Diffstat (limited to 'gcc/gimplify.c')
| -rw-r--r-- | gcc/gimplify.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c index c68bd47..1d5341e 100644 --- a/gcc/gimplify.c +++ b/gcc/gimplify.c @@ -4569,7 +4569,6 @@ gimplify_modify_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p, gimple assign; location_t loc = EXPR_LOCATION (*expr_p); gimple_stmt_iterator gsi; - tree ap = NULL_TREE, ap_copy = NULL_TREE; gcc_assert (TREE_CODE (*expr_p) == MODIFY_EXPR || TREE_CODE (*expr_p) == INIT_EXPR); @@ -4730,16 +4729,12 @@ gimplify_modify_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p, enum internal_fn ifn = CALL_EXPR_IFN (*from_p); auto_vec<tree> vargs (nargs); - if (ifn == IFN_VA_ARG) - ap = unshare_expr (CALL_EXPR_ARG (*from_p, 0)); for (i = 0; i < nargs; i++) { gimplify_arg (&CALL_EXPR_ARG (*from_p, i), pre_p, EXPR_LOCATION (*from_p)); vargs.quick_push (CALL_EXPR_ARG (*from_p, i)); } - if (ifn == IFN_VA_ARG) - ap_copy = CALL_EXPR_ARG (*from_p, 0); call_stmt = gimple_build_call_internal_vec (ifn, vargs); gimple_set_location (call_stmt, EXPR_LOCATION (*expr_p)); } @@ -4784,17 +4779,6 @@ gimplify_modify_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p, gsi = gsi_last (*pre_p); maybe_fold_stmt (&gsi); - /* When gimplifying the &ap argument of va_arg, we might end up with - ap.1 = ap - va_arg (&ap.1, 0B) - We need to assign ap.1 back to ap, otherwise va_arg has no effect on - ap. */ - if (ap != NULL_TREE - && TREE_CODE (ap) == ADDR_EXPR - && TREE_CODE (ap_copy) == ADDR_EXPR - && !operand_equal_p (TREE_OPERAND (ap, 0), TREE_OPERAND (ap_copy, 0), 0)) - gimplify_assign (TREE_OPERAND (ap, 0), TREE_OPERAND (ap_copy, 0), pre_p); - if (want_value) { *expr_p = TREE_THIS_VOLATILE (*to_p) ? *from_p : unshare_expr (*to_p); |