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| author | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 2002-01-27 18:29:33 +0000 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 2002-01-27 13:29:33 -0500 |
| commit | 917afb0c3fa15b32383bdfbc13a481012c42fcb4 (patch) | |
| tree | 4c36f941d21f80038408fabd59032302b6791807 /gcc/rtl.h | |
| parent | f70a54cb876ecdde60b6ea9caa1e730b360f3272 (diff) | |
| download | gcc-917afb0c3fa15b32383bdfbc13a481012c42fcb4.zip gcc-917afb0c3fa15b32383bdfbc13a481012c42fcb4.tar.gz gcc-917afb0c3fa15b32383bdfbc13a481012c42fcb4.tar.bz2 | |
emit-rtl.c (get_mem_attrs): Don't default alignment for non-BLKmode if not STRICT_ALIGNMENT.
* emit-rtl.c (get_mem_attrs): Don't default alignment for non-BLKmode
if not STRICT_ALIGNMENT.
* rtl.h (MEM_ALIGN): Likewise.
From-SVN: r49268
Diffstat (limited to 'gcc/rtl.h')
| -rw-r--r-- | gcc/rtl.h | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -926,12 +926,12 @@ do { \ : GET_MODE (RTX) != BLKmode ? GEN_INT (GET_MODE_SIZE (GET_MODE (RTX))) \ : 0) -/* For a MEM rtx, the alignment in bits. */ +/* For a MEM rtx, the alignment in bits. We can use the alignment of the + mode as a default when STRICT_ALIGNMENT, but not if not. */ #define MEM_ALIGN(RTX) \ (MEM_ATTRS (RTX) != 0 ? MEM_ATTRS (RTX)->align \ - : GET_MODE (RTX) != BLKmode ? GET_MODE_ALIGNMENT (GET_MODE (RTX)) \ - : BITS_PER_UNIT) - + : (STRICT_ALIGNMENT && GET_MODE (RTX) != BLKmode \ + ? GET_MODE_ALIGNMENT (GET_MODE (RTX)) : BITS_PER_UNIT)) /* Copy the attributes that apply to memory locations from RHS to LHS. */ #define MEM_COPY_ATTRIBUTES(LHS, RHS) \ |