diff options
Diffstat (limited to 'gcc/expmed.c')
-rw-r--r-- | gcc/expmed.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index e558cb0..2897d77 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -54,7 +54,7 @@ static void do_cmp_and_jump PROTO((rtx, rtx, enum rtx_code, static int sdiv_pow2_cheap, smod_pow2_cheap; #ifndef SLOW_UNALIGNED_ACCESS -#define SLOW_UNALIGNED_ACCESS STRICT_ALIGNMENT +#define SLOW_UNALIGNED_ACCESS(MODE, ALIGN) STRICT_ALIGNMENT #endif /* For compilers that support multiple targets with different word sizes, @@ -295,7 +295,7 @@ store_bit_field (str_rtx, bitsize, bitnum, fieldmode, value, align, total_size) BITPOS is 0 in a REG bigger than a word. */ if (GET_MODE_SIZE (fieldmode) >= UNITS_PER_WORD && (GET_CODE (op0) != MEM - || ! SLOW_UNALIGNED_ACCESS + || ! SLOW_UNALIGNED_ACCESS (fieldmode, align) || (offset * BITS_PER_UNIT % bitsize == 0 && align % GET_MODE_SIZE (fieldmode) == 0)) && bitpos == 0 && bitsize == GET_MODE_BITSIZE (fieldmode)) @@ -509,7 +509,8 @@ store_bit_field (str_rtx, bitsize, bitnum, fieldmode, value, align, total_size) bestmode = GET_MODE (op0); if (bestmode == VOIDmode - || (SLOW_UNALIGNED_ACCESS && GET_MODE_SIZE (bestmode) > align)) + || (SLOW_UNALIGNED_ACCESS (bestmode, align) + && GET_MODE_SIZE (bestmode) > align)) goto insv_loses; /* Adjust address to point to the containing unit of that mode. */ @@ -632,7 +633,7 @@ store_fixed_bit_field (op0, offset, bitsize, bitpos, value, struct_align) int all_zero = 0; int all_one = 0; - if (! SLOW_UNALIGNED_ACCESS) + if (! SLOW_UNALIGNED_ACCESS (word_mode, struct_align)) struct_align = BIGGEST_ALIGNMENT / BITS_PER_UNIT; /* There is a case not handled here: @@ -1052,7 +1053,7 @@ extract_bit_field (str_rtx, bitsize, bitnum, unsignedp, && TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (mode), GET_MODE_BITSIZE (GET_MODE (op0)))) || (GET_CODE (op0) == MEM - && (! SLOW_UNALIGNED_ACCESS + && (! SLOW_UNALIGNED_ACCESS (mode, align) || (offset * BITS_PER_UNIT % bitsize == 0 && align * BITS_PER_UNIT % bitsize == 0)))) && ((bitsize >= BITS_PER_WORD && bitsize == GET_MODE_BITSIZE (mode) @@ -1253,7 +1254,8 @@ extract_bit_field (str_rtx, bitsize, bitnum, unsignedp, bestmode = GET_MODE (xop0); if (bestmode == VOIDmode - || (SLOW_UNALIGNED_ACCESS && GET_MODE_SIZE (bestmode) > align)) + || (SLOW_UNALIGNED_ACCESS (bestmode, align) + && GET_MODE_SIZE (bestmode) > align)) goto extzv_loses; /* Compute offset as multiple of this unit, @@ -1390,7 +1392,8 @@ extract_bit_field (str_rtx, bitsize, bitnum, unsignedp, bestmode = GET_MODE (xop0); if (bestmode == VOIDmode - || (SLOW_UNALIGNED_ACCESS && GET_MODE_SIZE (bestmode) > align)) + || (SLOW_UNALIGNED_ACCESS (bestmode, align) + && GET_MODE_SIZE (bestmode) > align)) goto extv_loses; /* Compute offset as multiple of this unit, |