diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/expr.c | 10 |
2 files changed, 11 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f95d702..bb692cf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2003-04-16 Olivier Hainque <hainque@act-europe.fr> + + * expr.c (store_field): Force usage of bitfield instructions when + the field position requires it, whatever SLOW_UNALIGNED_ACCESS. + (expand_expr, case BIT_FIELD_REF): likewise. + 2003-04-16 Mark Mitchell <mark@codesourcery.com> PR middle-end/8866 @@ -5564,8 +5564,9 @@ store_field (target, bitsize, bitpos, mode, exp, value_mode, unsignedp, type, || GET_CODE (target) == SUBREG /* If the field isn't aligned enough to store as an ordinary memref, store it as a bit field. */ - || (mode != BLKmode && SLOW_UNALIGNED_ACCESS (mode, MEM_ALIGN (target)) - && (MEM_ALIGN (target) < GET_MODE_ALIGNMENT (mode) + || (mode != BLKmode + && ((SLOW_UNALIGNED_ACCESS (mode, MEM_ALIGN (target)) + && (MEM_ALIGN (target) < GET_MODE_ALIGNMENT (mode))) || bitpos % GET_MODE_ALIGNMENT (mode))) /* If the RHS and field are a constant size and the size of the RHS isn't the same size as the bitfield, we must use bitfield @@ -7504,9 +7505,8 @@ expand_expr (exp, target, tmode, modifier) /* If the field isn't aligned enough to fetch as a memref, fetch it as a bit field. */ || (mode1 != BLKmode - && SLOW_UNALIGNED_ACCESS (mode1, MEM_ALIGN (op0)) - && ((TYPE_ALIGN (TREE_TYPE (tem)) - < GET_MODE_ALIGNMENT (mode)) + && ((TYPE_ALIGN (TREE_TYPE (tem)) < GET_MODE_ALIGNMENT (mode) + && SLOW_UNALIGNED_ACCESS (mode1, MEM_ALIGN (op0))) || (bitpos % GET_MODE_ALIGNMENT (mode) != 0))) /* If the type and the field are a constant size and the size of the type isn't the same size as the bitfield, |