+2005-03-10 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
+
2005-03-10 Nathan Sidwell <nathan@codesourcery.com>
* bitmap.c (bitmap_copy): Remove manual loop unrolling.
bitfields and the structures that contain them. */
#define PCC_BITFIELD_TYPE_MATTERS 1
+/* Disable the use of word-sized or smaller complex modes for structures,
+ and for function arguments in particular, where they cause problems with
+ register a7. The xtensa_copy_incoming_a7 function assumes that there is
+ a single reference to an argument in a7, but with small complex modes the
+ real and imaginary components may be extracted separately, leading to two
+ uses of the register, only one of which would be replaced. */
+#define MEMBER_TYPE_FORCES_BLK(FIELD, MODE) \
+ ((MODE) == CQImode || (MODE) == CHImode)
+
/* Align string constants and constructors to at least a word boundary.
The typical use of this macro is to increase alignment for string
constants to be word aligned so that 'strcpy' calls that copy