diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/sparc-trap-1.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/sparc-trap-1.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/sparc-trap-1.c b/gcc/testsuite/gcc.dg/sparc-trap-1.c new file mode 100644 index 00000000000..a516a886495 --- /dev/null +++ b/gcc/testsuite/gcc.dg/sparc-trap-1.c @@ -0,0 +1,20 @@ +/* PR target/15693 */ +/* { dg-do compile { target sparc*-*-* } } */ +/* { dg-options "-O2" } */ + +/* This used to fail on SPARC at -O2 because the combiner + produces a compare insn that was not rematched by the + compare expander. */ + +static __inline__ __attribute__ ((always_inline)) +int page_mapping (unsigned flags) +{ + if (1u & (flags >> 16)) + return 1; + return 0; +} +void install_page (unsigned flags) +{ + if (__builtin_expect (!page_mapping (flags), 0)) + __builtin_trap (); +} |