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| author | Eric Botcazou <ebotcazou@adacore.com> | 2019-12-07 12:20:44 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2019-12-07 12:20:44 +0000 |
| commit | ea37206decb6b4df127e65af206c58e6fc3ae60a (patch) | |
| tree | 9b18614f9e99a9c95e508acbf32a4e3be29cd637 | |
| parent | 9c81750c5bedd7883182ee2684a012c6210ebe1d (diff) | |
| download | gcc-ea37206decb6b4df127e65af206c58e6fc3ae60a.zip gcc-ea37206decb6b4df127e65af206c58e6fc3ae60a.tar.gz gcc-ea37206decb6b4df127e65af206c58e6fc3ae60a.tar.bz2 | |
re PR middle-end/90840 (ICE in simplify_subreg, at simplify-rtx.c:6441)
PR middle-end/90840
* expr.c (expand_assignment): In the case of a CONCAT on the LHS, make
sure to pass a valid inner mode in calls to simplify_gen_subreg.
From-SVN: r279076
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/expr.c | 14 |
2 files changed, 13 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0eda8e0..582ffe0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-12-07 Eric Botcazou <ebotcazou@adacore.com> + + PR middle-end/90840 + * expr.c (expand_assignment): In the case of a CONCAT on the LHS, make + sure to pass a valid inner mode in calls to simplify_gen_subreg. + 2019-12-07 Tobias Burnus <tobias@codesourcery.com> David Malcolm <dmalcolm@redhat.com> Jakub Jelinek <jakub@redhat.com> @@ -5285,13 +5285,16 @@ expand_assignment (tree to, tree from, bool nontemporal) } else { + machine_mode from_mode + = GET_MODE (result) == VOIDmode + ? TYPE_MODE (TREE_TYPE (from)) + : GET_MODE (result); rtx from_rtx; if (MEM_P (result)) from_rtx = change_address (result, to_mode, NULL_RTX); else from_rtx - = simplify_gen_subreg (to_mode, result, - TYPE_MODE (TREE_TYPE (from)), 0); + = simplify_gen_subreg (to_mode, result, from_mode, 0); if (from_rtx) { emit_move_insn (XEXP (to_rtx, 0), @@ -5303,12 +5306,9 @@ expand_assignment (tree to, tree from, bool nontemporal) { to_mode = GET_MODE_INNER (to_mode); rtx from_real - = simplify_gen_subreg (to_mode, result, - TYPE_MODE (TREE_TYPE (from)), - 0); + = simplify_gen_subreg (to_mode, result, from_mode, 0); rtx from_imag - = simplify_gen_subreg (to_mode, result, - TYPE_MODE (TREE_TYPE (from)), + = simplify_gen_subreg (to_mode, result, from_mode, GET_MODE_SIZE (to_mode)); if (!from_real || !from_imag) goto concat_store_slow; |