/* src/vm/jit/powerpc/linux/md-abi.c - functions for PowerPC Linux ABI
- Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
- C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
- E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
- J. Wenninger, Institut f. Computersprachen - TU Wien
+ Copyright (C) 1996-2005, 2006, 2007, 2008
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- $Id: md-abi.c 8270 2007-08-08 13:57:12Z twisti $
-
*/
#include "vm/jit/powerpc/linux/md-abi.h"
+#include "vm/descriptor.hpp"
#include "vm/global.h"
#include "vm/jit/abi.h"
-
-#include "vmcore/descriptor.h"
+#include "vm/jit/stack.h"
/* register descripton arrays *************************************************/
*******************************************************************************/
-void md_return_alloc(jitdata *jd, stackptr stackslot)
+void md_return_alloc(jitdata *jd, stackelement_t *stackslot)
{
methodinfo *m;
+ codeinfo *code;
registerdata *rd;
methoddesc *md;
+ varinfo *v;
/* get required compiler data */
- m = jd->m;
- rd = jd->rd;
+ m = jd->m;
+ code = jd->code;
+ rd = jd->rd;
md = m->parseddesc;
their argument register -> so leafmethods with paramcount > 0
could already use R3 == a00! */
- if (!jd->isleafmethod || (md->paramcount == 0)) {
+ if (!code_is_leafmethod(code) || (md->paramcount == 0)) {
/* Only precolor the stackslot, if it is not a SAVEDVAR <->
has not to survive method invokations. */
if (!(stackslot->flags & SAVEDVAR)) {
- VAR(stackslot->varnum)->flags = PREALLOC;
+ v = VAR(stackslot->varnum);
+ v->flags = PREALLOC;
- if (IS_INT_LNG_TYPE(md->returntype.type)) {
- if (!IS_2_WORD_TYPE(md->returntype.type)) {
- if (rd->argintreguse < 1)
- rd->argintreguse = 1;
+ switch (md->returntype.type) {
+ case TYPE_INT:
+ case TYPE_ADR:
+ if (rd->argintreguse < 1)
+ rd->argintreguse = 1;
- VAR(stackslot->varnum)->vv.regoff = REG_RESULT;
- }
- else {
- if (rd->argintreguse < 2)
- rd->argintreguse = 2;
+ v->vv.regoff = REG_RESULT;
+ break;
- VAR(stackslot->varnum)->vv.regoff = REG_RESULT_PACKED;
- }
- }
- else { /* float/double */
+ case TYPE_LNG:
+ if (rd->argintreguse < 2)
+ rd->argintreguse = 2;
+
+ v->vv.regoff = REG_RESULT_PACKED;
+ break;
+
+ case TYPE_FLT:
+ case TYPE_DBL:
if (rd->argfltreguse < 1)
rd->argfltreguse = 1;
-
- VAR(stackslot->varnum)->vv.regoff = REG_FRESULT;
+
+ v->vv.regoff = REG_FRESULT;
+ break;
}
}
}
* c-basic-offset: 4
* tab-width: 4
* End:
+ * vim:noexpandtab:sw=4:ts=4:
*/