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| author |   Mike Frysinger <vapier@gentoo.org> | 2016-05-13 17:20:07 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2016-05-13 17:20:07 +0000 |
| commit | 3902561845bc18b304804f5ce1b2d41625cb9f2f (patch) | |
| tree | cc2a96d4f0f47a23307fa5c0b6472d91a28a633e /5.3.0 | |
| parent | upstream fix for ICE when using C++ templates #573068 (diff) | |
| download | gcc-patches-3902561845bc18b304804f5ce1b2d41625cb9f2f.tar.gz gcc-patches-3902561845bc18b304804f5ce1b2d41625cb9f2f.tar.bz2 gcc-patches-3902561845bc18b304804f5ce1b2d41625cb9f2f.zip | |
upstream fix for ICEs when compiling arm neon code #571264
Diffstat (limited to '5.3.0')
| -rw-r--r-- | 5.3.0/gentoo/28_all_gcc-5-arm-neon-pr69187.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/5.3.0/gentoo/28_all_gcc-5-arm-neon-pr69187.patch b/5.3.0/gentoo/28_all_gcc-5-arm-neon-pr69187.patch new file mode 100644 index 0000000..9151d87 --- /dev/null +++ b/5.3.0/gentoo/28_all_gcc-5-arm-neon-pr69187.patch @@ -0,0 +1,69 @@ +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 + |