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| author | Jakub Jelinek <jakub@gcc.gnu.org> | 2011-04-07 19:58:05 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2011-04-07 19:58:05 +0200 |
| commit | 54f16bf8f37128b5db6aa35fac9559632885d265 (patch) | |
| tree | 7b745741c1ef570135f7364793431ffaa7e0cabf /gcc | |
| parent | 4e626909c7d92d3a6964180f9232b59aaf85b426 (diff) | |
| download | gcc-54f16bf8f37128b5db6aa35fac9559632885d265.zip gcc-54f16bf8f37128b5db6aa35fac9559632885d265.tar.gz gcc-54f16bf8f37128b5db6aa35fac9559632885d265.tar.bz2 | |
re PR debug/48343 (ICE compiling i586 linux-2.6.38/drivers/staging/wlan-ng/p80211wep.c: in form_sum, at reload.c:5338)
PR debug/48343
* combine.c (combine_instructions): Add last_combined_insn,
update it if insn is after it, pass it to all try_combine
calls.
(try_combine): Add last_combined_insn parameter, pass it instead of
i3 to propagate_for_debug.
* gcc.dg/torture/pr48343.c: New test.
From-SVN: r172109
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr48343.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr48343.c b/gcc/testsuite/gcc.dg/torture/pr48343.c new file mode 100644 index 0000000..e56b3a3 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr48343.c @@ -0,0 +1,19 @@ +/* PR debug/48343 */ +/* { dg-do compile } */ +/* { dg-options "-fcompare-debug" } */ + +void foo (unsigned char *, unsigned char *); + +void +test (unsigned int x, int y) +{ + unsigned int i, j = 0, k; + unsigned char s[256], t[64]; + foo (s, t); + t[0] = y; + for (i = 0; i < 256; i++) + { + j = (j + s[i] + t[i % x]) & 0xff; + k = i; i = j; j = k; + } +} |