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sparc.c (function_arg_record_value_1): New fourth parameter packed_p.

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* config/sparc/sparc.c (function_arg_record_value_1): New fourth
	parameter packed_p.  Search for a DECL_PACKED field only if
	packed_p is false.  Pass packed_p recursively.
	(function_arg_record_value_2): Likewise.
	(function_arg_record_value): Update calls to
	function_arg_record_value_1 and function_arg_record_value_2.

From-SVN: r72636
This commit is contained in:
Eric Botcazou 2003-10-18 09:39:56 +02:00 committed by Eric Botcazou
parent 9d8de1de89
commit cde85594f0
2 changed files with 48 additions and 32 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2003-10-18 Eric Botcazou <ebotcazou@libertysurf.fr>
* config/sparc/sparc.c (function_arg_record_value_1): New fourth
parameter packed_p. Search for a DECL_PACKED field only if
packed_p is false. Pass packed_p recursively.
(function_arg_record_value_2): Likewise.
(function_arg_record_value): Update calls to
function_arg_record_value_1 and function_arg_record_value_2.
2003-10-18 Eric Botcazou <ebotcazou@libertysurf.fr>
* cse.c (cse_insn) [src_folded]: Check that the tentative replacement

71
gcc/config/sparc/sparc.c
View File

@ -4910,9 +4910,9 @@ struct function_arg_record_value_parms
static void function_arg_record_value_3
(HOST_WIDE_INT, struct function_arg_record_value_parms *);
static void function_arg_record_value_2
(tree, HOST_WIDE_INT, struct function_arg_record_value_parms *);
(tree, HOST_WIDE_INT, struct function_arg_record_value_parms *, bool);
static void function_arg_record_value_1
(tree, HOST_WIDE_INT, struct function_arg_record_value_parms *);
(tree, HOST_WIDE_INT, struct function_arg_record_value_parms *, bool);
static rtx function_arg_record_value (tree, enum machine_mode, int, int, int);
/* A subroutine of function_arg_record_value. Traverse the structure
@ -4920,27 +4920,27 @@ static rtx function_arg_record_value (tree, enum machine_mode, int, int, int);
static void
function_arg_record_value_1 (tree type, HOST_WIDE_INT startbitpos,
struct function_arg_record_value_parms *parms)
struct function_arg_record_value_parms *parms,
bool packed_p)
{
tree field;
/* The ABI obviously doesn't specify how packed structures are
passed. These are defined to be passed in int regs if possible,
otherwise memory. */
int packed_p = 0;
/* We need to compute how many registers are needed so we can
allocate the PARALLEL but before we can do that we need to know
whether there are any packed fields. If there are, int regs are
used regardless of whether there are fp values present. */
for (field = TYPE_FIELDS (type); field; field = TREE_CHAIN (field))
{
if (TREE_CODE (field) == FIELD_DECL && DECL_PACKED (field))
{
packed_p = 1;
break;
}
}
whether there are any packed fields. The ABI obviously doesn't
specify how structures are passed in this case, so they are
defined to be passed in int regs if possible, otherwise memory,
regardless of whether there are fp values present. */
if (! packed_p)
for (field = TYPE_FIELDS (type); field; field = TREE_CHAIN (field))
{
if (TREE_CODE (field) == FIELD_DECL && DECL_PACKED (field))
{
packed_p = true;
break;
}
}
/* Compute how many registers we need. */
for (field = TYPE_FIELDS (type); field; field = TREE_CHAIN (field))
@ -4956,7 +4956,10 @@ function_arg_record_value_1 (tree type, HOST_WIDE_INT startbitpos,
/* ??? FIXME: else assume zero offset. */
if (TREE_CODE (TREE_TYPE (field)) == RECORD_TYPE)
function_arg_record_value_1 (TREE_TYPE (field), bitpos, parms);
function_arg_record_value_1 (TREE_TYPE (field),
bitpos,
parms,
packed_p);
else if ((TREE_CODE (TREE_TYPE (field)) == REAL_TYPE
|| (TREE_CODE (TREE_TYPE (field)) == COMPLEX_TYPE
&& (TREE_CODE (TREE_TYPE (TREE_TYPE (field)))
@ -5062,19 +5065,20 @@ function_arg_record_value_3 (HOST_WIDE_INT bitpos,
static void
function_arg_record_value_2 (tree type, HOST_WIDE_INT startbitpos,
struct function_arg_record_value_parms *parms)
struct function_arg_record_value_parms *parms,
bool packed_p)
{
tree field;
int packed_p = 0;
for (field = TYPE_FIELDS (type); field; field = TREE_CHAIN (field))
{
if (TREE_CODE (field) == FIELD_DECL && DECL_PACKED (field))
{
packed_p = 1;
break;
}
}
if (! packed_p)
for (field = TYPE_FIELDS (type); field; field = TREE_CHAIN (field))
{
if (TREE_CODE (field) == FIELD_DECL && DECL_PACKED (field))
{
packed_p = true;
break;
}
}
for (field = TYPE_FIELDS (type); field; field = TREE_CHAIN (field))
{
@ -5089,7 +5093,10 @@ function_arg_record_value_2 (tree type, HOST_WIDE_INT startbitpos,
/* ??? FIXME: else assume zero offset. */
if (TREE_CODE (TREE_TYPE (field)) == RECORD_TYPE)
function_arg_record_value_2 (TREE_TYPE (field), bitpos, parms);
function_arg_record_value_2 (TREE_TYPE (field),
bitpos,
parms,
packed_p);
else if ((TREE_CODE (TREE_TYPE (field)) == REAL_TYPE
|| (TREE_CODE (TREE_TYPE (field)) == COMPLEX_TYPE
&& (TREE_CODE (TREE_TYPE (TREE_TYPE (field)))
@ -5170,7 +5177,7 @@ function_arg_record_value (tree type, enum machine_mode mode,
/* Compute how many registers we need. */
parms.nregs = 0;
parms.intoffset = 0;
function_arg_record_value_1 (type, 0, &parms);
function_arg_record_value_1 (type, 0, &parms, false);
if (parms.intoffset != -1)
{
@ -5232,7 +5239,7 @@ function_arg_record_value (tree type, enum machine_mode mode,
/* Fill in the entries. */
parms.nregs = 0;
parms.intoffset = 0;
function_arg_record_value_2 (type, 0, &parms);
function_arg_record_value_2 (type, 0, &parms, false);
function_arg_record_value_3 (typesize * BITS_PER_UNIT, &parms);
if (parms.nregs != nregs)