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rs6000.h (DATA_ALIGNMENT): Check that we are dealing with actual SPE/paired vector modes before using... 

* config/rs6000/rs6000.h (DATA_ALIGNMENT): Check that we are dealing
	with actual SPE/paired vector modes before using 64-bit alignment.
	Check that TYPE is a REAL_TYPE for TARGET_E500_DOUBLE.

From-SVN: r151626
This commit is contained in:
Nathan Froyd 2009-09-11 03:20:37 +00:00 committed by Nathan Froyd
parent 5ba863d70d
commit b851135c6c
2 changed files with 18 additions and 8 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2009-09-10 Nathan Froyd <froydnj@codesourcery.com>
* config/rs6000/rs6000.h (DATA_ALIGNMENT): Check that we are dealing
with actual SPE/paired vector modes before using 64-bit alignment.
Check that TYPE is a REAL_TYPE for TARGET_E500_DOUBLE.
2009-09-10 DJ Delorie <dj@redhat.com>
* config/mep/mep.md (eh_epilogue): Defer until after epilogue is

20
gcc/config/rs6000/rs6000.h
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@ -743,14 +743,18 @@ extern unsigned rs6000_pointer_size;
/* Make arrays of chars word-aligned for the same reasons.
Align vectors to 128 bits. Align SPE vectors and E500 v2 doubles to
64 bits. */
#define DATA_ALIGNMENT(TYPE, ALIGN) \
(TREE_CODE (TYPE) == VECTOR_TYPE ? ((TARGET_SPE_ABI \
|| TARGET_PAIRED_FLOAT) ? 64 : 128) \
: (TARGET_E500_DOUBLE \
&& TYPE_MODE (TYPE) == DFmode) ? 64 \
: TREE_CODE (TYPE) == ARRAY_TYPE \
&& TYPE_MODE (TREE_TYPE (TYPE)) == QImode \
&& (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
#define DATA_ALIGNMENT(TYPE, ALIGN) \
(TREE_CODE (TYPE) == VECTOR_TYPE \
? (((TARGET_SPE && SPE_VECTOR_MODE (TYPE_MODE (TYPE))) \
|| (TARGET_PAIRED_FLOAT && PAIRED_VECTOR_MODE (TYPE_MODE (TYPE)))) \
? 64 : 128) \
: ((TARGET_E500_DOUBLE \
&& TREE_CODE (TYPE) == REAL_TYPE \
&& TYPE_MODE (TYPE) == DFmode) \
? 64 \
: (TREE_CODE (TYPE) == ARRAY_TYPE \
&& TYPE_MODE (TREE_TYPE (TYPE)) == QImode \
&& (ALIGN) < BITS_PER_WORD) ? BITS_PER_WORD : (ALIGN)))
/* Nonzero if move instructions will actually fail to work
when given unaligned data. */