From 0e29f7e5af0d4b5c1369fc5052b94476eadde83c Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <iant@google.com>
Date: Tue, 7 Dec 2010 19:28:44 +0000
Subject: [PATCH] re PR tree-optimization/46805 (ICE: SIGSEGV in
optab_for_tree_code (optabs.c:407) with -O -fno-tree-scev-cprop
-ftree-vectorize)
PR tree-optimization/46805
PR tree-optimization/46833
* go-lang.c (go_langhook_type_for_mode): Handle vector modes.
From-SVN: r167563
---
gcc/go/ChangeLog | 6 ++++++
gcc/go/go-lang.c | 14 ++++++++++++++
2 files changed, 20 insertions(+)
diff --git a/gcc/go/ChangeLog b/gcc/go/ChangeLog
index d70dc40c4c6c..380c70955f1c 100644
--- a/gcc/go/ChangeLog
+++ b/gcc/go/ChangeLog
@@ -1,3 +1,9 @@
+2010-12-07 Ian Lance Taylor <iant@google.com>
+
+ PR tree-optimization/46805
+ PR tree-optimization/46833
+ * go-lang.c (go_langhook_type_for_mode): Handle vector modes.
+
2010-12-06 Ian Lance Taylor <iant@google.com>
PR other/46789
diff --git a/gcc/go/go-lang.c b/gcc/go/go-lang.c
index 0f3c1838f4b7..323f8c5331c9 100644
--- a/gcc/go/go-lang.c
+++ b/gcc/go/go-lang.c
@@ -285,6 +285,20 @@ go_langhook_type_for_size (unsigned int bits, int unsignedp)
static tree
go_langhook_type_for_mode (enum machine_mode mode, int unsignedp)
{
+ /* Go has no vector types. Build them here. FIXME: It does not
+ make sense for the middle-end to ask the frontend for a type
+ which the frontend does not support. However, at least for now
+ it is required. See PR 46805. */
+ if (VECTOR_MODE_P (mode))
+ {
+ tree inner;
+
+ inner = go_langhook_type_for_mode (GET_MODE_INNER (mode), unsignedp);
+ if (inner != NULL_TREE)
+ return build_vector_type_for_mode (inner, mode);
+ return NULL_TREE;
+ }
+
return go_type_for_mode (mode, unsignedp);
}
--
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