--- /dev/null Sat Dec 14 13:56:51 2002 +++ gcc-3.3.1/gcc/testsuite/gcc.dg/pr10412-1.c Sun Sep 14 16:15:21 2003 @@ -0,0 +1,43 @@ +/* PR target/10412 + * Reporter: shrinivasa@kpitcummins.com + * Summary: Renesas SH - Incorrect code generation + * Description: + * When following code is compiled with + * sh-elf-gcc -S -mhitachi -m2 -O2 bug1.c + * generates an incorrect code. + * + * Testcase tweaked by dank@kegel.com + * Problem only happens with -mhitachi -m2. Not sure if I can give those + * options for all sh targets. They work on sh4, though. + * Not marked as xfail as it's a regression relative to hardhat 2.0 gcc-2.97. +*/ +/* { dg-do run } */ +/* { dg-options "-O2" } */ +int global_val; + +int func0(int x) +{ + global_val += x; + return (x != 99); +} + +int func1(unsigned long addr) +{ + int err; + + err = func0(addr); + if (err) + return (err); + + err = func0(addr * 7); /* address of func0 is lost during multiplication -> probable SIGSEGV */ + return (err); +} + +int main(int argc, char **argv) +{ + global_val = 0; + global_val += func1(99); + if (global_val != 99 * 8 + 1) + abort(); + return 0; +}