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t-mmix (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc here. 

* config/mmix/t-mmix (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc
	here.

	* config/mmix/mmix.h (INITIAL_ELIMINATION_OFFSET): Remove spurious
	semicolon.

	* config/mmix/mmix.c (mmix_expand_builtin_va_arg): Variable-size
	types come in by-reference.  Fix typo in comment.

From-SVN: r51946
This commit is contained in:
Hans-Peter Nilsson 2002-04-06 08:20:35 +00:00 committed by Hans-Peter Nilsson
parent 36e408e6ca
commit 392fc5b068
4 changed files with 45 additions and 26 deletions
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11
gcc/ChangeLog
View File

@ -1,3 +1,14 @@
2002-04-06 Hans-Peter Nilsson <hp@bitrange.com>
* config/mmix/t-mmix (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc
here.
* config/mmix/mmix.h (INITIAL_ELIMINATION_OFFSET): Remove spurious
semicolon.
* config/mmix/mmix.c (mmix_expand_builtin_va_arg): Variable-size
types come in by-reference. Fix typo in comment.
2002-04-05 David S. Miller <davem@redhat.com>
* config/sparc/freebsd.h (ENDFILE_SPEC): Add crtfastmath bits.

56
gcc/config/mmix/mmix.c
View File

@ -1273,7 +1273,7 @@ mmix_expand_builtin_va_arg (valist, type)
if (type == error_mark_node
|| (type_size = TYPE_SIZE_UNIT (TYPE_MAIN_VARIANT (type))) == NULL
|| TREE_OVERFLOW (type_size))
/* Presumable an error; the size isn't computable. A message has
/* Presumably an error; the size isn't computable. A message has
supposedly been emitted elsewhere. */
rounded_size = size_zero_node;
else
@ -1302,30 +1302,38 @@ mmix_expand_builtin_va_arg (valist, type)
}
else if (!integer_zerop (rounded_size))
{
/* If the size is less than a register, the we need to pad the
address by adding the difference. */
tree addend
= fold (build (COND_EXPR, sizetype,
fold (build (GT_EXPR, sizetype,
rounded_size,
align)),
size_zero_node,
fold (build (MINUS_EXPR, sizetype,
rounded_size,
type_size))));
tree addr_tree1
= fold (build (PLUS_EXPR, TREE_TYPE (addr_tree), addr_tree, addend));
if (!really_constant_p (type_size))
/* Varying-size types come in by reference. */
addr_tree
= build1 (INDIRECT_REF, build_pointer_type (type), addr_tree);
else
{
/* If the size is less than a register, then we need to pad the
address by adding the difference. */
tree addend
= fold (build (COND_EXPR, sizetype,
fold (build (GT_EXPR, sizetype,
rounded_size,
align)),
size_zero_node,
fold (build (MINUS_EXPR, sizetype,
rounded_size,
type_size))));
tree addr_tree1
= fold (build (PLUS_EXPR, TREE_TYPE (addr_tree), addr_tree,
addend));
/* If this type is larger than what fits in a register, then it is
passed by reference. */
addr_tree
= fold (build (COND_EXPR, TREE_TYPE (addr_tree1),
fold (build (GT_EXPR, sizetype,
rounded_size,
ptr_size)),
build1 (INDIRECT_REF, build_pointer_type (type),
addr_tree1),
addr_tree1));
/* If this type is larger than what fits in a register, then it
is passed by reference. */
addr_tree
= fold (build (COND_EXPR, TREE_TYPE (addr_tree1),
fold (build (GT_EXPR, sizetype,
rounded_size,
ptr_size)),
build1 (INDIRECT_REF, build_pointer_type (type),
addr_tree1),
addr_tree1));
}
}
addr = expand_expr (addr_tree, NULL_RTX, Pmode, EXPAND_NORMAL);

2
gcc/config/mmix/mmix.h
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@ -695,7 +695,7 @@ enum reg_class
#define CAN_ELIMINATE(FROM, TO) 1
#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
(OFFSET) = mmix_initial_elimination_offset (FROM, TO);
(OFFSET) = mmix_initial_elimination_offset (FROM, TO)
/* Node: Stack Arguments */

2
gcc/config/mmix/t-mmix
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@ -6,7 +6,7 @@ LIBGCC1 =
LIBGCC1_TEST =
CROSS_LIBGCC1 =
TARGET_LIBGCC2_CFLAGS = -mlibfuncs -Dinhibit_libc -O2
TARGET_LIBGCC2_CFLAGS = -mlibfuncs -O2
EXTRA_MULTILIB_PARTS = crti.o crtn.o crtbegin.o crtend.o