+2004-03-11 Andreas Schwab <schwab@suse.de>
+
+ * src/ia64/ffi.c (ffi_prep_incoming_args_UNIX): Get floating point
+ arguments from fp registers only for the first 8 parameter slots.
+ Don't convert a float parameter when passed in memory.
+
2004-03-09 Hans-Peter Nilsson <hp@axis.com>
* configure: Regenerate for config/accross.m4 correction.
*fp_argp++ = *(float *)(* p_argv);
}
/* Also put it into the integer registers or memory: */
- *(UINT64 *) argp = *(UINT32 *)(* p_argv);
+ *(UINT64 *) argp = *(UINT32 *)(* p_argv);
break;
case FFI_TYPE_DOUBLE:
if (fp_argp - stack->fp_regs < 8)
*fp_argp++ = *(double *)(* p_argv);
/* Also put it into the integer registers or memory: */
- *(double *) argp = *(double *)(* p_argv);
+ *(double *) argp = *(double *)(* p_argv);
break;
case FFI_TYPE_STRUCT:
register unsigned int i;
register unsigned int avn;
register void **p_argv;
- register unsigned long *argp = args -> out_regs;
+ register long *argp = args -> out_regs;
unsigned fp_reg_num = 0;
register ffi_type **p_arg;
case FFI_TYPE_FLOAT:
z = 1;
/* Convert argument back to float in place from the saved value */
- if (fp_reg_num < 8) {
+ if (argp - args->out_regs < 8 && fp_reg_num < 8) {
*(float *)argp = args -> fp_regs[fp_reg_num++];
- } else {
- *(float *)argp = *(double *)argp;
}
*p_argv = (void *)argp;
break;
case FFI_TYPE_DOUBLE:
z = 1;
- if (fp_reg_num < 8) {
+ if (argp - args->out_regs < 8 && fp_reg_num < 8) {
*p_argv = args -> fp_regs + fp_reg_num++;
} else {
*p_argv = (void *)argp;
size_t sz = (*p_arg)->size;
unsigned short element_type;
z = ((*p_arg)->size + FFI_SIZEOF_ARG - 1)/FFI_SIZEOF_ARG;
- if (is_homogeneous_fp_aggregate(*p_arg, 8, &element_type)) {
+ if (argp - args->out_regs < 8
+ && is_homogeneous_fp_aggregate(*p_arg, 8, &element_type)) {
int nelements = sz/float_type_size(element_type);
if (nelements + fp_reg_num >= 8) {
/* hard case NYI. */