diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 5c8a027d3cbda2a2abf345183aecccc428cf4d2e..759f06c62b9d5181d56cde12da50ae08a87746ad 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2002-02-06 Janis Johnson <janis187@us.ibm.com> + + * gcc.dg/20020206-1.c: New test. + 2002-02-06 Jakub Jelinek <jakub@redhat.com> * gcc.c-torture/execute/20020206-1.c: New test. diff --git a/gcc/testsuite/gcc.dg/20020206-1.c b/gcc/testsuite/gcc.dg/20020206-1.c new file mode 100644 index 0000000000000000000000000000000000000000..c5367610610048ac72eecdc0f68522ce0e0edb6f --- /dev/null +++ b/gcc/testsuite/gcc.dg/20020206-1.c @@ -0,0 +1,44 @@ +/* This code is from the beginning of combine_reloads in reload.c in + GCC 3.1-20020117, with simplifications. It compiled incorrectly + for -O2 -fprefetch-loop-arrays for ix86 targets. */ + +/* { dg-do run } */ +/* { dg-options "-O2 -fprefetch-loop-arrays -w" } */ +/* { dg-options "-O2 -fprefetch-loop-arrays -mcpu=pentium3 -w" { target i?86-*-* } } */ + +struct reload +{ + int first_member; + int out; + int final_member; +}; + +int n_reloads; +struct reload rld[10]; + +static int +combine_reloads () +{ + int i; + int output_reload = -1; + int secondary_out = -1; + + for (i = 0; i < n_reloads; i++) + if (rld[i].out != 0) + { + if (output_reload >= 0) + return output_reload; + output_reload = i; + } + return output_reload; +} + +int +main () +{ + n_reloads = 4; + rld[2].out = 2; + if (combine_reloads () != 2) + abort (); + exit (0); +}