From e699ee2475bbeb933abcbecfc25ffe1304645eb4 Mon Sep 17 00:00:00 2001 From: Sebastian Pop Date: Tue, 7 Jun 2005 19:54:23 +0000 Subject: [PATCH] * 20050423-1.c: Testcase for PR tree-optimization/20742. From-SVN: r100719 --- gcc/testsuite/gcc.c-torture/compile/20050423-1.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 gcc/testsuite/gcc.c-torture/compile/20050423-1.c diff --git a/gcc/testsuite/gcc.c-torture/compile/20050423-1.c b/gcc/testsuite/gcc.c-torture/compile/20050423-1.c new file mode 100644 index 00000000000..fee5eb9093e --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/20050423-1.c @@ -0,0 +1,16 @@ +/* PR tree-optimization/20742 */ + +int +foo (int x, int y) +{ + register int a = y + 57; + register int b = y + 31; + + while (x-- > 0) + { + #define TEN(x) x x x x x x x x x x + TEN (TEN (a += b; b -= a;)) + TEN (TEN (a += b; b -= a;)) + } + return a + b; +} -- 2.30.2