From 3b24df36c08c710b71a76b683f4d3b972c162e9e Mon Sep 17 00:00:00 2001 From: Roger Sayle Date: Sat, 20 Dec 2003 20:17:53 +0000 Subject: [PATCH] re PR rtl-optimization/13031 (ICE (unrecognizable insn) when building gnome-libs-1.4.2) 2003-12-20 Roger Sayle PR optimization/13031 * gcc.c-torture/compile/20031220-1.c: New test case. From-SVN: r74892 --- gcc/testsuite/ChangeLog | 5 +++++ .../gcc.c-torture/compile/20031220-1.c | 21 +++++++++++++++++++ 2 files changed, 26 insertions(+) create mode 100644 gcc/testsuite/gcc.c-torture/compile/20031220-1.c diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c62be7e4ba2..25db32b3692 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2003-12-20 Roger Sayle + + PR optimization/13031 + * gcc.c-torture/compile/20031220-1.c: New test case. + 2003-12-20 Eric Botcazou * gcc.dg/cast-function-1.c: New test. diff --git a/gcc/testsuite/gcc.c-torture/compile/20031220-1.c b/gcc/testsuite/gcc.c-torture/compile/20031220-1.c new file mode 100644 index 00000000000..026a2687fd6 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/20031220-1.c @@ -0,0 +1,21 @@ +/* PR optimization/13031 */ +/* The following code used to ICE on alphaev67-*-* at -O2 with an + unrecognizable instruction, caused by local register allocation + substituting a register for a constant in a conditional branch. */ + +void emit(int, int); +int f(void); +static int signals[5]; + +static inline void select(int sel, void *klass) +{ + emit(klass ? 0 : f(), signals[sel ? 0 : 1]); +} + +void all(void *gil, void *l, void *icon) +{ + while (l) + if (icon) + select(0, gil); +} + -- 2.30.2