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expr.c (expand_expr, [...]): Don't force using bitfield extraction if no direct load if...

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* expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
	extraction if no direct load if either EXPAND_CONST_ADDRESS or
	EXPAND_INITIALIZER.

From-SVN: r43897
This commit is contained in:
Richard Kenner 2001-07-10 11:29:25 +00:00 committed by Richard Kenner
parent 62926f0b9c
commit 10c2a453f1
2 changed files with 7 additions and 1 deletions
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4
gcc/ChangeLog
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@ -1,5 +1,9 @@
Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
extraction if no direct load if either EXPAND_CONST_ADDRESS or
EXPAND_INITIALIZER.
* emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
whether can put offset inside LO_SUM to check mode alignment, not size.

4
gcc/expr.c
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@ -7137,7 +7137,9 @@ expand_expr (exp, target, tmode, modifier)
|| GET_CODE (op0) == REG || GET_CODE (op0) == SUBREG
|| (mode1 != BLKmode && ! direct_load[(int) mode1]
&& GET_MODE_CLASS (mode) != MODE_COMPLEX_INT
&& GET_MODE_CLASS (mode) != MODE_COMPLEX_FLOAT)
&& GET_MODE_CLASS (mode) != MODE_COMPLEX_FLOAT
&& modifier != EXPAND_CONST_ADDRESS
&& modifier != EXPAND_INITIALIZER)
/* If the field isn't aligned enough to fetch as a memref,
fetch it as a bit field. */
|| (mode1 != BLKmode