X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=ir%2Fbe%2Fia32%2Fia32_map_regs.c;h=b6c605fdb6d696024b91124d7ca1ae073bd8425a;hb=e5f718c34a60a13348086f4f5c2862ec9ff2e604;hp=051321fd3fdd94fef92d5165b305c4e698cebbfc;hpb=5416b9ba504458151bbcf513b914cc48cebbbded;p=libfirm

diff --git a/ir/be/ia32/ia32_map_regs.c b/ir/be/ia32/ia32_map_regs.c
index 051321fd3..b6c605fdb 100644
--- a/ir/be/ia32/ia32_map_regs.c
+++ b/ir/be/ia32/ia32_map_regs.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -23,102 +23,21 @@
  * @author      Christian Wuerdig
  * @version     $Id$
  */
-#ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
 
 #include <stdlib.h>
 
 #include "pmap.h"
+#include "error.h"
 
 #include "ia32_map_regs.h"
 #include "ia32_new_nodes.h"
+#include "ia32_architecture.h"
 #include "gen_ia32_regalloc_if.h"
 #include "bearch_ia32_t.h"
-#include "../benodesets.h"
 
-static int maxnum_gpreg_args = 3;   /* maximum number of int arguments passed in registers; default 3 */
-static int maxnum_sse_args = 5;   /* maximum number of float arguments passed in registers; default 5 */
+/* this is the order of the assigned registers used for parameter passing */
 
-/* this is the order of the assigned registers usesd for parameter passing */
-
-const arch_register_t *gpreg_param_reg_std[] = {
-	&ia32_gp_regs[REG_EAX],
-	&ia32_gp_regs[REG_EDX],
-	&ia32_gp_regs[REG_ECX],
-	&ia32_gp_regs[REG_EBX],
-	&ia32_gp_regs[REG_EDI],
-	&ia32_gp_regs[REG_ESI]
-};
-
-const arch_register_t *gpreg_param_reg_this[] = {
-	&ia32_gp_regs[REG_ECX],
-	&ia32_gp_regs[REG_EAX],
-	&ia32_gp_regs[REG_EDX],
-	&ia32_gp_regs[REG_EBX],
-	&ia32_gp_regs[REG_EDI],
-	&ia32_gp_regs[REG_ESI]
-};
-
-const arch_register_t *fpreg_sse_param_reg_std[] = {
-	&ia32_xmm_regs[REG_XMM0],
-	&ia32_xmm_regs[REG_XMM1],
-	&ia32_xmm_regs[REG_XMM2],
-	&ia32_xmm_regs[REG_XMM3],
-	&ia32_xmm_regs[REG_XMM4],
-	&ia32_xmm_regs[REG_XMM5],
-	&ia32_xmm_regs[REG_XMM6],
-	&ia32_xmm_regs[REG_XMM7]
-};
-
-const arch_register_t *fpreg_sse_param_reg_this[] = {
-	NULL,  /* in case of a "this" pointer, the first parameter must not be a float */
-	&ia32_xmm_regs[REG_XMM0],
-	&ia32_xmm_regs[REG_XMM1],
-	&ia32_xmm_regs[REG_XMM2],
-	&ia32_xmm_regs[REG_XMM3],
-	&ia32_xmm_regs[REG_XMM4],
-	&ia32_xmm_regs[REG_XMM5],
-	&ia32_xmm_regs[REG_XMM6],
-	&ia32_xmm_regs[REG_XMM7]
-};
-
-
-
-/* Mapping to store registers in firm nodes */
-
-struct ia32_irn_reg_assoc {
-	const ir_node *irn;
-	const arch_register_t *reg;
-};
-
-int ia32_cmp_irn_reg_assoc(const void *a, const void *b, size_t len) {
-	const struct ia32_irn_reg_assoc *x = a;
-	const struct ia32_irn_reg_assoc *y = b;
-
-	return x->irn != y->irn;
-}
-
-static struct ia32_irn_reg_assoc *get_irn_reg_assoc(const ir_node *irn, set *reg_set) {
-	struct ia32_irn_reg_assoc templ;
-	unsigned int hash;
-
-	templ.irn = irn;
-	templ.reg = NULL;
-	hash = nodeset_hash(irn);
-
-	return set_insert(reg_set, &templ, sizeof(templ), hash);
-}
-
-void ia32_set_firm_reg(ir_node *irn, const arch_register_t *reg, set *reg_set) {
-	struct ia32_irn_reg_assoc *assoc = get_irn_reg_assoc(irn, reg_set);
-	assoc->reg = reg;
-}
-
-const arch_register_t *ia32_get_firm_reg(const ir_node *irn, set *reg_set) {
-	struct ia32_irn_reg_assoc *assoc = get_irn_reg_assoc(irn, reg_set);
-	return assoc->reg;
-}
 
 void ia32_build_16bit_reg_map(pmap *reg_map) {
 	pmap_insert(reg_map, &ia32_gp_regs[REG_EAX], "ax");
@@ -156,80 +75,3 @@ const char *ia32_get_mapped_reg_name(pmap *reg_map, const arch_register_t *reg)
 
 	return e->value;
 }
-
-/**
- * Check all parameters and determine the maximum number of parameters
- * to pass in gp regs resp. in fp regs.
- *
- * @param n       The number of parameters
- * @param modes   The list of the parameter modes
- * @param n_int   Holds the number of int parameters to be passed in regs after the call
- * @param n_float Holds the number of float parameters to be passed in regs after the call
- * @return        The number of the last parameter to be passed in register
- */
-int ia32_get_n_regparam_class(ia32_code_gen_t *cg, int n, ir_mode **modes,
-                              int *n_int, int *n_float)
-{
-	int i, finished = 0;
-	int max_fp_regs;
-
-	if(USE_SSE2(cg)) {
-		max_fp_regs = maxnum_sse_args;
-	} else {
-		max_fp_regs = 0;
-	}
-
-	*n_int   = 0;
-	*n_float = 0;
-
-	for (i = 0; i < n && !finished; i++) {
-		if (mode_is_int(modes[i]) || mode_is_reference(modes[i])) {
-			*n_int = *n_int + 1;
-		}
-		else if (mode_is_float(modes[i])) {
-			*n_float = *n_float + 1;
-		}
-		else {
-			finished = 1;
-		}
-
-		/* test for maximum */
-		if (*n_int == maxnum_gpreg_args || *n_float == max_fp_regs) {
-			finished = 1;
-		}
-	}
-
-	return i - 1;
-}
-
-
-/**
- * Returns the register for parameter nr.
- *
- * @param n     The number of parameters
- * @param modes The list of the parameter modes
- * @param nr    The number of the parameter to return the requirements for
- * @param cc    The calling convention
- * @return      The register
- */
-const arch_register_t *ia32_get_RegParam_reg(ia32_code_gen_t *cg, unsigned cc,
-                                             unsigned nr, ir_mode *mode)
-{
-	if(mode_is_float(mode)) {
-		if(!USE_SSE2(cg))
-			return NULL;
-		assert(nr < maxnum_sse_args);
-		if(cc & cc_this_call) {
-			return fpreg_sse_param_reg_this[nr];
-		}
-		return fpreg_sse_param_reg_std[nr];
-	}
-
-	assert(mode_is_int(mode) || mode_is_reference(mode));
-
-	if(cc & cc_this_call) {
-		assert(nr < maxnum_gpreg_args);
-		return gpreg_param_reg_this[nr];
-	}
-	return gpreg_param_reg_std[nr];
-}