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function.c (diddle_return_value): A pcc-style struct return returns a pointer.

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* function.c (diddle_return_value): A pcc-style struct return
        returns a pointer.

From-SVN: r34230
This commit is contained in:
Richard Henderson 2000-05-28 05:31:40 -07:00 committed by Richard Henderson
parent 6745c1b9dd
commit 5828d72574
2 changed files with 19 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2000-05-28 Richard Henderson <rth@cygnus.com>
* function.c (diddle_return_value): A pcc-style struct return
returns a pointer.
2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
* cppfiles.c: Read files in, using mmap if possible, then

16
gcc/function.c
View File

@ -6319,14 +6319,25 @@ diddle_return_value (doit, arg)
void *arg;
{
rtx outgoing = current_function_return_rtx;
int pcc;
if (! outgoing)
return;
if (GET_CODE (outgoing) == REG
&& REGNO (outgoing) >= FIRST_PSEUDO_REGISTER)
pcc = (current_function_returns_struct
|| current_function_returns_pcc_struct);
if ((GET_CODE (outgoing) == REG
&& REGNO (outgoing) >= FIRST_PSEUDO_REGISTER)
|| pcc)
{
tree type = TREE_TYPE (DECL_RESULT (current_function_decl));
/* A PCC-style return returns a pointer to the memory in which
the structure is stored. */
if (pcc)
type = build_pointer_type (type);
#ifdef FUNCTION_OUTGOING_VALUE
outgoing = FUNCTION_OUTGOING_VALUE (type, current_function_decl);
#else
@ -6337,6 +6348,7 @@ diddle_return_value (doit, arg)
if (GET_MODE (outgoing) == BLKmode)
PUT_MODE (outgoing,
GET_MODE (DECL_RTL (DECL_RESULT (current_function_decl))));
REG_FUNCTION_VALUE_P (outgoing) = 1;
}
if (GET_CODE (outgoing) == REG)