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| author | Andrew Pinski <andrew_pinski@playstation.sony.com> | 2007-09-28 01:02:30 +0000 |
|---|---|---|
| committer | Andrew Pinski <pinskia@gcc.gnu.org> | 2007-09-27 18:02:30 -0700 |
| commit | a2d0c46dae1644d114496b8a288142ec02a0cb56 (patch) | |
| tree | 2d38657323a3d2e67b703e150a05bfd52921735d /gcc | |
| parent | 7cefcade5d36495c8c0611cddff1f63c2a6e4b1b (diff) | |
| download | gcc-a2d0c46dae1644d114496b8a288142ec02a0cb56.zip gcc-a2d0c46dae1644d114496b8a288142ec02a0cb56.tar.gz gcc-a2d0c46dae1644d114496b8a288142ec02a0cb56.tar.bz2 | |
re PR rtl-optimization/7003 ([ppc] address of array loaded int register twice without any need)
2007-09-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR middle-end/7003
* gcc.target/powerpc/gcse-1.c: New test.
From-SVN: r128856
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/powerpc/gcse-1.c | 15 |
2 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index bfc1af7..fba4304 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-09-27 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/7003 + * gcc.target/powerpc/gcse-1.c: New test. + 2007-09-27 Tobias Schlüter <tobi@gcc.gnu.org> * gfortran.dg/array_initializer_3.f90: Adapt error annotations for diff --git a/gcc/testsuite/gcc.target/powerpc/gcse-1.c b/gcc/testsuite/gcc.target/powerpc/gcse-1.c new file mode 100644 index 0000000..799cde1 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/gcse-1.c @@ -0,0 +1,15 @@ +/* { dg-do compile { target { *-*-linux* && ilp32 } } } */ +/* { dg-options "-O2" } */ +/* { dg-final { scan-assembler-times "@ha" 1 } } */ + + +/* Test for PR 7003, address of array loaded int register + twice without any need. */ + +extern const char flags [256]; + +unsigned char * f (unsigned char * s) { + while (flags[*++s]); + while (!flags[*++s]); + return s; +} |