[gentoo-commits] gentoo commit in src/patchsets/gcc/5.3.0/gentoo: 28_all_gcc-5-arm-neon-pr69187.patch

[gentoo-commits] gentoo commit in src/patchsets/gcc/5.3.0/gentoo: 28_all_gcc-5-arm-neon-pr69187.patch

[Mike Frysinger (vapier)]

vapier      16/05/13 17:20:07

  Added:                28_all_gcc-5-arm-neon-pr69187.patch
  Log:
  upstream fix for ICEs when compiling arm neon code #571264

Revision  Changes    Path
1.1                  src/patchsets/gcc/5.3.0/gentoo/28_all_gcc-5-arm-neon-pr69187.patch

file : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/5.3.0/gentoo/28_all_gcc-5-arm-neon-pr69187.patch?rev=1.1&view=markup
plain: http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/gcc/5.3.0/gentoo/28_all_gcc-5-arm-neon-pr69187.patch?rev=1.1&content-type=text/plain

Index: 28_all_gcc-5-arm-neon-pr69187.patch
===================================================================
https://bugs.gentoo.org/571264
https://gcc.gnu.org/PR69187

From 01443309b8c2982ad32d08b330232ec7cd6bbb27 Mon Sep 17 00:00:00 2001
From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 10 Feb 2016 18:40:54 +0000
Subject: [PATCH] Backported from mainline

	2016-01-21  Stefan Sørensen  <stefan.sorensen@spectralink.com>
		    Jakub Jelinek  <jakub@redhat.com>

	PR target/69187
	PR target/65624
	* config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
	args array size by one to avoid buffer overflow.

	* gcc.target/arm/pr69187.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-5-branch@233296 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/ChangeLog                          |  8 ++++++++
 gcc/config/arm/arm-builtins.c          |  2 +-
 gcc/testsuite/ChangeLog                |  4 ++++
 gcc/testsuite/gcc.target/arm/pr69187.c | 19 +++++++++++++++++++
 4 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 gcc/testsuite/gcc.target/arm/pr69187.c

diff --git a/gcc/config/arm/arm-builtins.c b/gcc/config/arm/arm-builtins.c
index 4250c91..6f4fd9b 100644
--- a/gcc/config/arm/arm-builtins.c
+++ b/gcc/config/arm/arm-builtins.c
@@ -2161,7 +2161,7 @@ arm_expand_neon_builtin (int fcode, tree exp, rtx target)
   neon_builtin_datum *d =
 		&neon_builtin_data[fcode - ARM_BUILTIN_NEON_BASE];
   enum insn_code icode = d->code;
-  builtin_arg args[SIMD_MAX_BUILTIN_ARGS];
+  builtin_arg args[SIMD_MAX_BUILTIN_ARGS + 1];
   int num_args = insn_data[d->code].n_operands;
   int is_void = 0;
   int k;
diff --git a/gcc/testsuite/gcc.target/arm/pr69187.c b/gcc/testsuite/gcc.target/arm/pr69187.c
new file mode 100644
index 0000000..9992a69
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/pr69187.c
@@ -0,0 +1,19 @@
+/* PR target/69187 */
+/* { dg-do compile } */
+/* { dg-require-effective-target arm_neon } */
+/* { dg-options "-O0" }  */
+/* { dg-add-options arm_neon }  */
+
+#include <arm_neon.h>
+
+int32x4_t
+foo (void)
+{
+  int32x4_t vector_int32x4;
+  int16x4_t vector3_int16x4;
+  int16x4_t vector4_int16x4;
+  static int32_t buffer_int32x4[32];
+
+  vector_int32x4 = vld1q_s32(buffer_int32x4);
+  return vqdmlsl_lane_s16(vector_int32x4, vector3_int16x4, vector4_int16x4, 0);
+}
-- 
2.8.2