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| author | Jakub Jelinek <jakub@redhat.com> | 2005-02-24 22:23:14 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2005-02-24 22:23:14 +0100 |
| commit | 04fa46cf67a24840851ff1078b3091a08834f8ba (patch) | |
| tree | abafade2be79aa6611bffb44670764c4bcb99cf0 /gcc/testsuite | |
| parent | 6ecfe13b3e6ab72ebeccae0689b0f619d09c0828 (diff) | |
| download | gcc-04fa46cf67a24840851ff1078b3091a08834f8ba.zip gcc-04fa46cf67a24840851ff1078b3091a08834f8ba.tar.gz gcc-04fa46cf67a24840851ff1078b3091a08834f8ba.tar.bz2 | |
re PR target/20196 (Miscompilation of mem_init in 32-bit ppc linux kernel)
PR target/20196
* config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
allow splitting only if operands 0 and 3 don't overlap.
* gcc.c-torture/execute/20050224-1.c: New test.
From-SVN: r95513
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/20050224-1.c | 33 |
2 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 1b1a9c4..192a460 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,8 @@ 2005-02-24 Jakub Jelinek <jakub@redhat.com> + PR target/20196 + * gcc.c-torture/execute/20050224-1.c: New test. + PR c++/20175 * g++.dg/warn/Wbraces2.C: New test. diff --git a/gcc/testsuite/gcc.c-torture/execute/20050224-1.c b/gcc/testsuite/gcc.c-torture/execute/20050224-1.c new file mode 100644 index 0000000..68120036 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20050224-1.c @@ -0,0 +1,33 @@ +/* Origin: Mikael Pettersson <mikpe@csd.uu.se> and the Linux kernel. */ + +extern void abort (void); +unsigned long a = 0xc0000000, b = 0xd0000000; +unsigned long c = 0xc01bb958, d = 0xc0264000; +unsigned long e = 0xc0288000, f = 0xc02d4378; + +void +foo (int x, int y, int z) +{ + if (x != 245 || y != 36 || z != 444) + abort (); +} + +int +main (void) +{ + unsigned long g; + int h = 0, i = 0, j = 0; + + if (sizeof (unsigned long) < 4) + return 0; + + for (g = a; g < b; g += 0x1000) + if (g < c) + h++; + else if (g >= d && g < e) + j++; + else if (g < f) + i++; + foo (i, j, h); + return 0; +} |