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| author | Richard Kenner <kenner@gcc.gnu.org> | 1996-05-17 17:24:12 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1996-05-17 17:24:12 -0400 |
| commit | 3cd456066e16f812b16ea0095bc392adbb94fa8f (patch) | |
| tree | c53d1a128f09f0e27d67b8ca83f374ea2e6ce629 /gcc | |
| parent | 8a5d3064fb8b6f15ff667623f9e16b6eac8d5cbe (diff) | |
| download | gcc-3cd456066e16f812b16ea0095bc392adbb94fa8f.zip gcc-3cd456066e16f812b16ea0095bc392adbb94fa8f.tar.gz gcc-3cd456066e16f812b16ea0095bc392adbb94fa8f.tar.bz2 | |
(store_split_bit_field): Don't assume the alignment of VALUE is the
same as the record.
From-SVN: r12017
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/expmed.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index 955c416..be27f85 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -781,10 +781,19 @@ store_split_bit_field (op0, bitsize, bitpos, value, align) else /* The args are chosen so that the last part includes the lsb. Give extract_bit_field the value it needs (with - endianness compensation) to fetch the piece we want. */ - part = extract_fixed_bit_field (word_mode, value, 0, thissize, - total_bits - bitsize + bitsdone, - NULL_RTX, 1, align); + endianness compensation) to fetch the piece we want. + + ??? We have no idea what the alignment of VALUE is, so + we have to use a guess. */ + part + = extract_fixed_bit_field + (word_mode, value, 0, thissize, + total_bits - bitsize + bitsdone, NULL_RTX, 1, + GET_MODE (value) == VOIDmode + ? UNITS_PER_WORD + : (GET_MODE (value) == BLKmode + ? 1 + : GET_MODE_ALIGNMENT (GET_MODE (value)) / BITS_PER_UNIT)); } else { @@ -794,8 +803,14 @@ store_split_bit_field (op0, bitsize, bitpos, value, align) >> bitsdone) & (((HOST_WIDE_INT) 1 << thissize) - 1)); else - part = extract_fixed_bit_field (word_mode, value, 0, thissize, - bitsdone, NULL_RTX, 1, align); + part + = extract_fixed_bit_field + (word_mode, value, 0, thissize, bitsdone, NULL_RTX, 1, + GET_MODE (value) == VOIDmode + ? UNITS_PER_WORD + : (GET_MODE (value) == BLKmode + ? 1 + : GET_MODE_ALIGNMENT (GET_MODE (value)) / BITS_PER_UNIT)); } /* If OP0 is a register, then handle OFFSET here. |