From a2d0c46dae1644d114496b8a288142ec02a0cb56 Mon Sep 17 00:00:00 2001 From: Andrew Pinski Date: Fri, 28 Sep 2007 01:02:30 +0000 Subject: [PATCH] re PR rtl-optimization/7003 ([ppc] address of array loaded int register twice without any need) 2007-09-27 Andrew Pinski PR middle-end/7003 * gcc.target/powerpc/gcse-1.c: New test. From-SVN: r128856 --- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.target/powerpc/gcse-1.c | 15 +++++++++++++++ 2 files changed, 20 insertions(+) create mode 100644 gcc/testsuite/gcc.target/powerpc/gcse-1.c diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index bfc1af73e67..fba430413ec 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-09-27 Andrew Pinski + + PR middle-end/7003 + * gcc.target/powerpc/gcse-1.c: New test. + 2007-09-27 Tobias Schlüter * 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 00000000000..799cde1dd0e --- /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; +} -- 2.30.2