diff options
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index f6f61c7..d8baad1 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -8133,14 +8133,13 @@ fold_builtin_bitop (tree fndecl, tree arg) { hi = TREE_INT_CST_HIGH (arg); if (width < HOST_BITS_PER_DOUBLE_INT) - hi &= ~((unsigned HOST_WIDE_INT) (-1) - << (width - HOST_BITS_PER_WIDE_INT)); + hi &= ~(HOST_WIDE_INT_M1U << (width - HOST_BITS_PER_WIDE_INT)); } else { hi = 0; if (width < HOST_BITS_PER_WIDE_INT) - lo &= ~((unsigned HOST_WIDE_INT) (-1) << width); + lo &= ~(HOST_WIDE_INT_M1U << width); } switch (DECL_FUNCTION_CODE (fndecl)) @@ -8179,13 +8178,13 @@ fold_builtin_bitop (tree fndecl, tree arg) && (hi & ((unsigned HOST_WIDE_INT) 1 << (width - HOST_BITS_PER_WIDE_INT - 1))) != 0) { - hi = ~hi & ~((unsigned HOST_WIDE_INT) (-1) + hi = ~hi & ~(HOST_WIDE_INT_M1U << (width - HOST_BITS_PER_WIDE_INT - 1)); lo = ~lo; } else if (width <= HOST_BITS_PER_WIDE_INT && (lo & ((unsigned HOST_WIDE_INT) 1 << (width - 1))) != 0) - lo = ~lo & ~((unsigned HOST_WIDE_INT) (-1) << (width - 1)); + lo = ~lo & ~(HOST_WIDE_INT_M1U << (width - 1)); if (hi != 0) result = width - floor_log2 (hi) - 2 - HOST_BITS_PER_WIDE_INT; else if (lo != 0) |