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rs6000.c (rs6000_return_in_memory): Allow Altivec vector modes without ALTIVEC_ABI.

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* config/rs6000/rs6000.c (rs6000_return_in_memory): Allow Altivec
	vector modes without ALTIVEC_ABI.  Use GCC vector instead of
	synthetic vector.
	(rs6000_pass_by_reference): Split conditional into pieces.  Use
	GCC vector instead of synthetic vector.

Co-Authored-By: Paolo Bonzini <bonzini@gnu.org>

From-SVN: r91175
This commit is contained in:
David Edelsohn 2004-11-24 16:42:41 +00:00 committed by David Edelsohn
parent 4033a1f238
commit bada2eb851
2 changed files with 47 additions and 11 deletions
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9
gcc/ChangeLog
View File

@ -1,3 +1,12 @@
2004-11-24 David Edelsohn <edelsohn@gnu.org>
Paolo Bonzini <bonzini@gnu.org>
* config/rs6000/rs6000.c (rs6000_return_in_memory): Allow Altivec
vector modes without ALTIVEC_ABI. Use GCC vector instead of
synthetic vector.
(rs6000_pass_by_reference): Split conditional into pieces. Use
GCC vector instead of synthetic vector.
2004-11-24 Aldy Hernandez <aldyh@redhat.com>
* tree.c (recompute_tree_invarant_for_addr_expr): The address of a

49
gcc/config/rs6000/rs6000.c
View File

@ -4641,6 +4641,12 @@ rs6000_return_in_memory (tree type, tree fntype ATTRIBUTE_UNUSED)
|| (unsigned HOST_WIDE_INT) int_size_in_bytes (type) > 8))
return true;
/* Allow -maltivec -mabi=no-altivec without warning. Altivec vector
modes only exist for GCC vector types if -maltivec. */
if (TARGET_32BIT && !TARGET_ALTIVEC_ABI
&& ALTIVEC_VECTOR_MODE (TYPE_MODE (type)))
return false;
/* Return synthetic vectors in memory. */
if (TREE_CODE (type) == VECTOR_TYPE
&& int_size_in_bytes (type) > (TARGET_ALTIVEC_ABI ? 16 : 8))
@ -4648,7 +4654,7 @@ rs6000_return_in_memory (tree type, tree fntype ATTRIBUTE_UNUSED)
static bool warned_for_return_big_vectors = false;
if (!warned_for_return_big_vectors)
{
warning ("synthetic vector returned by reference: "
warning ("GCC vector returned by reference: "
"non-standard ABI extension with no compatibility guarantee");
warned_for_return_big_vectors = true;
}
@ -5656,23 +5662,44 @@ function_arg_partial_nregs (CUMULATIVE_ARGS *cum, enum machine_mode mode,
static bool
rs6000_pass_by_reference (CUMULATIVE_ARGS *cum ATTRIBUTE_UNUSED,
enum machine_mode mode ATTRIBUTE_UNUSED,
tree type, bool named ATTRIBUTE_UNUSED)
enum machine_mode mode, tree type,
bool named ATTRIBUTE_UNUSED)
{
if ((DEFAULT_ABI == ABI_V4
&& ((type && AGGREGATE_TYPE_P (type))
|| mode == TFmode))
|| (TARGET_32BIT && !TARGET_ALTIVEC_ABI && ALTIVEC_VECTOR_MODE (mode))
|| (type && int_size_in_bytes (type) < 0))
if (DEFAULT_ABI == ABI_V4 && mode == TFmode)
{
if (TARGET_DEBUG_ARG)
fprintf (stderr, "function_arg_pass_by_reference\n");
fprintf (stderr, "function_arg_pass_by_reference: V4 long double\n");
return 1;
}
if (!type)
return 0;
if (DEFAULT_ABI == ABI_V4 && AGGREGATE_TYPE_P (type))
{
if (TARGET_DEBUG_ARG)
fprintf (stderr, "function_arg_pass_by_reference: V4 aggregate\n");
return 1;
}
if (int_size_in_bytes (type) < 0)
{
if (TARGET_DEBUG_ARG)
fprintf (stderr, "function_arg_pass_by_reference: variable size\n");
return 1;
}
/* Allow -maltivec -mabi=no-altivec without warning. Altivec vector
modes only exist for GCC vector types if -maltivec. */
if (TARGET_32BIT && !TARGET_ALTIVEC_ABI && ALTIVEC_VECTOR_MODE (mode))
{
if (TARGET_DEBUG_ARG)
fprintf (stderr, "function_arg_pass_by_reference: AltiVec\n");
return 1;
}
/* Pass synthetic vectors in memory. */
if (type && TREE_CODE (type) == VECTOR_TYPE
if (TREE_CODE (type) == VECTOR_TYPE
&& int_size_in_bytes (type) > (TARGET_ALTIVEC_ABI ? 16 : 8))
{
static bool warned_for_pass_big_vectors = false;
@ -5680,7 +5707,7 @@ rs6000_pass_by_reference (CUMULATIVE_ARGS *cum ATTRIBUTE_UNUSED,
fprintf (stderr, "function_arg_pass_by_reference: synthetic vector\n");
if (!warned_for_pass_big_vectors)
{
warning ("synthetic vector passed by reference: "
warning ("GCC vector passed by reference: "
"non-standard ABI extension with no compatibility guarantee");
warned_for_pass_big_vectors = true;
}