diff options
-rw-r--r-- | gcc/ChangeLog | 6 | ||||
-rw-r--r-- | gcc/c-common.c | 12 |
2 files changed, 13 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 47693578669..6465583cfa3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2004-08-14 Nathan Sidwell <nathan@codesourcery.com> + + * c-common.c (shorten_compare): Use force_fit_type directly. + 2004-08-14 Gerald Pfeifer <gerald@pfeifer.com> Dimitri Papadopoulos-Orfanos <papadopo@shfj.cea.fr> Dave Korn <dk@artimi.com> @@ -1457,7 +1461,7 @@ * config/i386/xmmintrin.h: Include <mm_malloc.h>. 2004-08-03 H.J. Lu <hongjiu.lu@intel.com> - Tanguy Fautrà <tfautre@pandora.be> + Tanguy Fautrà <tfautre@pandora.be> * config/i386/pmm_malloc.h: New file. diff --git a/gcc/c-common.c b/gcc/c-common.c index 09373dd05d8..1416871cdac 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -1997,10 +1997,14 @@ shorten_compare (tree *op0_ptr, tree *op1_ptr, tree *restype_ptr, if (TREE_TYPE (primop1) != *restype_ptr) { - tree tmp = convert (*restype_ptr, primop1); - TREE_OVERFLOW (tmp) = TREE_OVERFLOW (primop1); - TREE_CONSTANT_OVERFLOW (tmp) = TREE_CONSTANT_OVERFLOW (primop1); - primop1 = tmp; + /* Convert primop1 to target type, but do not introduce + additional overflow. We know primop1 is an int_cst. */ + tree tmp = build_int_2 (TREE_INT_CST_LOW (primop1), + TREE_INT_CST_HIGH (primop1)); + + TREE_TYPE (tmp) = *restype_ptr; + primop1 = force_fit_type (tmp, 0, TREE_OVERFLOW (primop1), + TREE_CONSTANT_OVERFLOW (primop1)); } if (type != *restype_ptr) { |