From e1e52c7e550bdbcf9c5a6f47a240d30f088bb236 Mon Sep 17 00:00:00 2001 From: Janis Johnson Date: Wed, 6 Feb 2002 22:16:11 +0000 Subject: [PATCH] * gcc.dg/20020206-1.c: New test. From-SVN: r49557 --- gcc/testsuite/ChangeLog | 4 +++ gcc/testsuite/gcc.dg/20020206-1.c | 44 +++++++++++++++++++++++++++++++ 2 files changed, 48 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/20020206-1.c diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 5c8a027d3cb..759f06c62b9 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2002-02-06 Janis Johnson + + * gcc.dg/20020206-1.c: New test. + 2002-02-06 Jakub Jelinek * 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 00000000000..c5367610610 --- /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); +} -- 2.30.2