diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/combine.c | 8 |
2 files changed, 7 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 74474ec..fe6e8a4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-01-21 Hans-Peter Nilsson <hp@bitrange.com> + + PR target/18701 + * combine.c (combine_simplify_rtx): Revert change of 2004-12-31. + 2005-01-20 Paul Brook <paul@codesourcery.com> * doc/rtl.texi: Document value extension requirements for CONST_INT. diff --git a/gcc/combine.c b/gcc/combine.c index 984c45e..dca4d97 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -3984,14 +3984,10 @@ combine_simplify_rtx (rtx x, enum machine_mode op0_mode, int in_dest) } /* Don't change the mode of the MEM if that would change the meaning - of the address. Similarly, don't allow widening, as that may - access memory outside the defined object or using an address - that is invalid for a wider mode. */ + of the address. */ if (MEM_P (SUBREG_REG (x)) && (MEM_VOLATILE_P (SUBREG_REG (x)) - || mode_dependent_address_p (XEXP (SUBREG_REG (x), 0)) - || (GET_MODE_SIZE (mode) - > GET_MODE_SIZE (GET_MODE (SUBREG_REG (x)))))) + || mode_dependent_address_p (XEXP (SUBREG_REG (x), 0)))) return gen_rtx_CLOBBER (mode, const0_rtx); /* Note that we cannot do any narrowing for non-constants since |