diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 484a6e81c43..c882b1e54bb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2007-05-22 Andrew Pinski + + 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 * lower-subreg.c (decompose_multiword_subregs): If we change an diff --git a/gcc/builtins.c b/gcc/builtins.c index b4f61868205..80f89788632 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 0c4e1a202fe..bf555817b5b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-05-22 Andrew Pinski + + PR middle-end/31095 + * gcc.c-torture/compile/bcopy-1.c: New testcase. + 2007-05-22 Andrew Pinski 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 00000000000..5d3a882c867 --- /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)); +}