From aa80f4d1b991994cb712926940a05b3589c56c41 Mon Sep 17 00:00:00 2001
From: Alexandre Oliva <aoliva@redhat.com>
Date: Tue, 29 Mar 2005 21:36:10 +0000
Subject: [PATCH] re PR middle-end/20491 (internal compiler error: in
subreg_regno_offset, at rtlanal.c:3042)
PR middle-end/20491
* gcc.dg/torture/asm-subreg-1.c: New test.
From-SVN: r97204
---
gcc/testsuite/ChangeLog | 5 +++++
gcc/testsuite/gcc.dg/torture/asm-subreg-1.c | 14 ++++++++++++++
2 files changed, 19 insertions(+)
create mode 100644 gcc/testsuite/gcc.dg/torture/asm-subreg-1.c
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 2c1e6d0c5e96..81060c652677 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2005-03-29 Alexandre Oliva <aoliva@redhat.com>
+
+ PR middle-end/20491
+ * gcc.dg/torture/asm-subreg-1.c: New test.
+
2005-03-29 Joseph S. Myers <joseph@codesourcery.com>
PR c/20672
diff --git a/gcc/testsuite/gcc.dg/torture/asm-subreg-1.c b/gcc/testsuite/gcc.dg/torture/asm-subreg-1.c
new file mode 100644
index 000000000000..2a5392085295
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/asm-subreg-1.c
@@ -0,0 +1,14 @@
+/* PR middle-end/20491 */
+
+/* { dg-do compile } */
+
+/* Combine used to introduce invalid subregs for the asm input, and
+ we'd crash later on, when removing all subregs. */
+
+volatile unsigned short _const_32 [4] = {1,2,3,4};
+void
+evas_common_convert_yuv_420p_601_rgba()
+{
+ __asm__ __volatile__ ("" : : "X" (*_const_32));
+}
+
--
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