expr.c (store_field): Force usage of bitfield instructions when the field position requires it...
* 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. From-SVN: r65701
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@ -1,3 +1,9 @@
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2003-04-16 Olivier Hainque <hainque@act-europe.fr>
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* expr.c (store_field): Force usage of bitfield instructions when
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the field position requires it, whatever SLOW_UNALIGNED_ACCESS.
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(expand_expr, case BIT_FIELD_REF): likewise.
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2003-04-16 Mark Mitchell <mark@codesourcery.com>
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PR middle-end/8866
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10
gcc/expr.c
10
gcc/expr.c
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@ -5564,8 +5564,9 @@ store_field (target, bitsize, bitpos, mode, exp, value_mode, unsignedp, type,
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|| GET_CODE (target) == SUBREG
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/* If the field isn't aligned enough to store as an ordinary memref,
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store it as a bit field. */
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|| (mode != BLKmode && SLOW_UNALIGNED_ACCESS (mode, MEM_ALIGN (target))
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&& (MEM_ALIGN (target) < GET_MODE_ALIGNMENT (mode)
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|| (mode != BLKmode
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&& ((SLOW_UNALIGNED_ACCESS (mode, MEM_ALIGN (target))
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&& (MEM_ALIGN (target) < GET_MODE_ALIGNMENT (mode)))
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|| bitpos % GET_MODE_ALIGNMENT (mode)))
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/* If the RHS and field are a constant size and the size of the
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RHS isn't the same size as the bitfield, we must use bitfield
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@ -7504,9 +7505,8 @@ expand_expr (exp, target, tmode, modifier)
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/* If the field isn't aligned enough to fetch as a memref,
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fetch it as a bit field. */
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|| (mode1 != BLKmode
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&& SLOW_UNALIGNED_ACCESS (mode1, MEM_ALIGN (op0))
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&& ((TYPE_ALIGN (TREE_TYPE (tem))
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< GET_MODE_ALIGNMENT (mode))
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&& ((TYPE_ALIGN (TREE_TYPE (tem)) < GET_MODE_ALIGNMENT (mode)
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&& SLOW_UNALIGNED_ACCESS (mode1, MEM_ALIGN (op0)))
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|| (bitpos % GET_MODE_ALIGNMENT (mode) != 0)))
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/* If the type and the field are a constant size and the
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size of the type isn't the same size as the bitfield,
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