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ffi_darwin.c (ffi_prep_args): Skip appropriate number of GPRs for floating-point arguments.

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2002-02-21  Andreas Tobler  <toa@pop.agri.ch>

        * src/powerpc/ffi_darwin.c (ffi_prep_args): Skip appropriate
        number of GPRs for floating-point arguments.

From-SVN: r49934
This commit is contained in:
Andreas Tobler 2002-02-21 20:14:28 +01:00 committed by David Edelsohn
parent 7ab562744f
commit 287dd527bd
2 changed files with 19 additions and 6 deletions
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5
libffi/ChangeLog
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@ -1,3 +1,8 @@
2002-02-21 Andreas Tobler <toa@pop.agri.ch>
* src/powerpc/ffi_darwin.c (ffi_prep_args): Skip appropriate
number of GPRs for floating-point arguments.
2002-01-31 Anthony Green <green@redhat.com>
* configure: Rebuilt.

20
libffi/src/powerpc/ffi_darwin.c
View File

@ -6,7 +6,7 @@
Darwin ABI support (c) 2001 John Hornkvist
AIX ABI support (c) 2002 Free Software Foundation, Inc.
$Id: ffi_darwin.c,v 1.1 2002/01/16 05:32:15 bryce Exp $
$Id: ffi_darwin.c,v 1.2 2002/01/17 16:04:21 dje Exp $
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
@ -121,13 +121,21 @@ void ffi_prep_args(extended_cif *ecif, unsigned *const stack)
{
switch ((*ptr)->type)
{
/* If a floating-point parameter appears before all of the general-
purpose registers are filled, the corresponding GPRs that match
the size of the floating-point parameter are skipped. */
case FFI_TYPE_FLOAT:
case FFI_TYPE_DOUBLE:
if ((*ptr)->type == FFI_TYPE_FLOAT)
double_tmp = *(float *)*p_argv;
double_tmp = *(float *)*p_argv;
if (fparg_count >= NUM_FPR_ARG_REGISTERS)
*(double *)next_arg = double_tmp;
else
double_tmp = *(double *)*p_argv;
*fpr_base++ = double_tmp;
next_arg++;
fparg_count++;
FFI_ASSERT(flags & FLAG_FP_ARGUMENTS);
break;
case FFI_TYPE_DOUBLE:
double_tmp = *(double *)*p_argv;
if (fparg_count >= NUM_FPR_ARG_REGISTERS)
*(double *)next_arg = double_tmp;
else