diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 484a6e81c4304a5c583c1d5c823f12baeb85bd88..c882b1e54bbf69a08e250de4e67bce6629dc439b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/31095 + * builtins.c (expand_builtin_memmove_args): Strip nops that don't + change the type before looking for a COMPOUND_EXPR. + 2007-05-22 Ian Lance Taylor <iant@google.com> * lower-subreg.c (decompose_multiword_subregs): If we change an diff --git a/gcc/builtins.c b/gcc/builtins.c index b4f61868205ce9097607ef46c33860b22aec6fa6..80f89788632f697d80a62bf85db63fe933907fb9 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -3485,6 +3485,7 @@ expand_builtin_memmove_args (tree dest, tree src, tree len, if (result) { + STRIP_TYPE_NOPS (result); while (TREE_CODE (result) == COMPOUND_EXPR) { expand_expr (TREE_OPERAND (result, 0), const0_rtx, VOIDmode, diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 0c4e1a202fe1051bcbbc7e458d63d61bd53d34aa..bf555817b5b60d023b190c5b3e0291c8f2f3b6bf 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR middle-end/31095 + * gcc.c-torture/compile/bcopy-1.c: New testcase. + 2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com> PR middle-end/31606 diff --git a/gcc/testsuite/gcc.c-torture/compile/bcopy-1.c b/gcc/testsuite/gcc.c-torture/compile/bcopy-1.c new file mode 100644 index 0000000000000000000000000000000000000000..5d3a882c8677f125eecf50c2e7f57c7d018a10f7 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/bcopy-1.c @@ -0,0 +1,14 @@ +/* PR middle-end/31095, expand_builtin_memmove_args forgot to take into + account that tree folding of builtins can add an extra NOP_EXPR. */ + +struct timeval +{ + int tv_sec; + int tv_usec; +}; +void +capture_next_packet (void) +{ + struct timeval past, now, then; + __builtin_bcopy (&then, &past, sizeof (then)); +}