X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fsparc%2Fsparc_transform.c;h=b5599ad5b2c79afd7087e0ef18d3fc494f695a62;hb=63539488745022b673df05c7dfbe585317db61bd;hp=b12d062cd45bead7c68c26ea9fa4fab9e398a727;hpb=12f3234cb6f8ffbd18b31ee226646a9d19b960ed;p=libfirm

diff --git a/ir/be/sparc/sparc_transform.c b/ir/be/sparc/sparc_transform.c
index b12d062cd..b5599ad5b 100644
--- a/ir/be/sparc/sparc_transform.c
+++ b/ir/be/sparc/sparc_transform.c
@@ -24,14 +24,16 @@
  */
 #include "config.h"
 
+#include <stdint.h>
+
 #include "irnode_t.h"
 #include "irgraph_t.h"
 #include "irmode_t.h"
 #include "irgmod.h"
 #include "iredges.h"
-#include "irvrfy.h"
 #include "ircons.h"
 #include "irprintf.h"
+#include "iroptimize.h"
 #include "dbginfo.h"
 #include "iropt_t.h"
 #include "debug.h"
@@ -63,11 +65,10 @@ static const arch_register_t *fp_reg = &sparc_gp_regs[REG_FRAME_POINTER];
 static calling_convention_t  *cconv  = NULL;
 static ir_mode               *mode_gp;
 static ir_mode               *mode_fp;
+static ir_mode               *mode_fp2;
+//static ir_mode               *mode_fp4;
 static pmap                  *node_to_stack;
 
-static ir_node *gen_SymConst(ir_node *node);
-
-
 static inline int mode_needs_gp_reg(ir_mode *mode)
 {
 	return mode_is_int(mode) || mode_is_reference(mode);
@@ -85,10 +86,10 @@ static ir_node *gen_zero_extension(dbg_info *dbgi, ir_node *block, ir_node *op,
                                    int src_bits)
 {
 	if (src_bits == 8) {
-		return new_bd_sparc_And_imm(dbgi, block, op, 0xFF);
+		return new_bd_sparc_And_imm(dbgi, block, op, NULL, 0xFF);
 	} else if (src_bits == 16) {
-		ir_node *lshift = new_bd_sparc_Sll_imm(dbgi, block, op, 16);
-		ir_node *rshift = new_bd_sparc_Slr_imm(dbgi, block, lshift, 16);
+		ir_node *lshift = new_bd_sparc_Sll_imm(dbgi, block, op, NULL, 16);
+		ir_node *rshift = new_bd_sparc_Slr_imm(dbgi, block, lshift, NULL, 16);
 		return rshift;
 	} else {
 		panic("zero extension only supported for 8 and 16 bits");
@@ -107,8 +108,8 @@ static ir_node *gen_sign_extension(dbg_info *dbgi, ir_node *block, ir_node *op,
                                    int src_bits)
 {
 	int shift_width = 32 - src_bits;
-	ir_node *lshift_node = new_bd_sparc_Sll_imm(dbgi, block, op, shift_width);
-	ir_node *rshift_node = new_bd_sparc_Sra_imm(dbgi, block, lshift_node, shift_width);
+	ir_node *lshift_node = new_bd_sparc_Sll_imm(dbgi, block, op, NULL, shift_width);
+	ir_node *rshift_node = new_bd_sparc_Sra_imm(dbgi, block, lshift_node, NULL, shift_width);
 	return rshift_node;
 }
 
@@ -148,78 +149,72 @@ static ir_node *gen_extension(dbg_info *dbgi, ir_node *block, ir_node *op,
 	}
 }
 
+typedef enum {
+	MATCH_NONE         = 0,
+	MATCH_COMMUTATIVE  = 1U << 0, /**< commutative operation. */
+	MATCH_MODE_NEUTRAL = 1U << 1, /**< the higher bits of the inputs don't
+	                                   influence the significant lower bit at
+	                                   all (for cases where mode < 32bit) */
+} match_flags_t;
 
-/**
- * Creates a possible DAG for a constant.
- */
-static ir_node *create_const_graph_value(dbg_info *dbgi, ir_node *block,
-				long value)
-{
-	ir_node *result;
-
-	/* we need to load hi & lo separately */
-	if (value < -4096 || value > 4095) {
-		ir_node *hi = new_bd_sparc_HiImm(dbgi, block, (int) value);
-		result = new_bd_sparc_LoImm(dbgi, block, hi, value);
-		be_dep_on_frame(hi);
-	} else {
-		result = new_bd_sparc_Mov_imm(dbgi, block, (int) value);
-		be_dep_on_frame(result);
-	}
+typedef ir_node* (*new_binop_reg_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2);
+typedef ir_node* (*new_binop_fp_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode);
+typedef ir_node* (*new_binop_imm_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_entity *entity, int32_t immediate);
+typedef ir_node* (*new_unop_fp_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_mode *mode);
 
-	return result;
+static bool is_value_imm_encodeable(int32_t value)
+{
+	return -4096 <= value && value <= 4095;
 }
 
-
 /**
- * Create a DAG constructing a given Const.
- *
- * @param irn  a Firm const
+ * checks if a node's value can be encoded as a immediate
  */
-static ir_node *create_const_graph(ir_node *irn, ir_node *block)
+static bool is_imm_encodeable(const ir_node *node)
 {
-	tarval  *tv = get_Const_tarval(irn);
-	ir_mode *mode = get_tarval_mode(tv);
-	dbg_info *dbgi = get_irn_dbg_info(irn);
 	long value;
+	if (!is_Const(node))
+		return false;
 
-
-	if (mode_is_reference(mode)) {
-		/* SPARC V8 is 32bit, so we can safely convert a reference tarval into Iu */
-		assert(get_mode_size_bits(mode) == get_mode_size_bits(mode_gp));
-		tv = tarval_convert_to(tv, mode_gp);
-	}
-
-	value = get_tarval_long(tv);
-	return create_const_graph_value(dbgi, block, value);
+	value = get_tarval_long(get_Const_tarval(node));
+	return is_value_imm_encodeable(value);
 }
 
-typedef enum {
-	MATCH_NONE         = 0,
-	MATCH_COMMUTATIVE  = 1 << 0, /**< commutative operation. */
-	MATCH_SIZE_NEUTRAL = 1 << 1,
-} match_flags_t;
-
-typedef ir_node* (*new_binop_reg_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2);
-typedef ir_node* (*new_binop_fp_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode);
-typedef ir_node* (*new_binop_imm_func) (dbg_info *dbgi, ir_node *block, ir_node *op1, int simm13);
+static bool needs_extension(ir_mode *mode)
+{
+	return get_mode_size_bits(mode) < get_mode_size_bits(mode_gp);
+}
 
 /**
- * checks if a node's value can be encoded as a immediate
+ * Check, if a given node is a Down-Conv, ie. a integer Conv
+ * from a mode with a mode with more bits to a mode with lesser bits.
+ * Moreover, we return only true if the node has not more than 1 user.
  *
+ * @param node   the node
+ * @return non-zero if node is a Down-Conv
  */
-static bool is_imm_encodeable(const ir_node *node)
+static bool is_downconv(const ir_node *node)
 {
-	long val;
-
-	//assert(mode_is_float_vector(get_irn_mode(node)));
+	ir_mode *src_mode;
+	ir_mode *dest_mode;
 
-	if (!is_Const(node))
+	if (!is_Conv(node))
 		return false;
 
-	val = get_tarval_long(get_Const_tarval(node));
+	src_mode  = get_irn_mode(get_Conv_op(node));
+	dest_mode = get_irn_mode(node);
+	return
+		mode_needs_gp_reg(src_mode)  &&
+		mode_needs_gp_reg(dest_mode) &&
+		get_mode_size_bits(dest_mode) <= get_mode_size_bits(src_mode);
+}
 
-	return -4096 <= val && val <= 4095;
+static ir_node *sparc_skip_downconv(ir_node *node)
+{
+	while (is_downconv(node)) {
+		node = get_Conv_op(node);
+	}
+	return node;
 }
 
 /**
@@ -228,47 +223,170 @@ static bool is_imm_encodeable(const ir_node *node)
  * @param new_reg  register generation function ptr
  * @param new_imm  immediate generation function ptr
  */
-static ir_node *gen_helper_binop(ir_node *node, match_flags_t flags,
-				new_binop_reg_func new_reg, new_binop_imm_func new_imm)
+static ir_node *gen_helper_binop_args(ir_node *node,
+                                      ir_node *op1, ir_node *op2,
+                                      match_flags_t flags,
+                                      new_binop_reg_func new_reg,
+                                      new_binop_imm_func new_imm)
 {
-	ir_node  *block   = be_transform_node(get_nodes_block(node));
-	ir_node  *op1     = get_binop_left(node);
+	dbg_info *dbgi  = get_irn_dbg_info(node);
+	ir_node  *block = be_transform_node(get_nodes_block(node));
 	ir_node  *new_op1;
-	ir_node  *op2     = get_binop_right(node);
 	ir_node  *new_op2;
-	dbg_info *dbgi    = get_irn_dbg_info(node);
+	ir_mode  *mode1;
+	ir_mode  *mode2;
 
-	if (is_imm_encodeable(op2)) {
-		ir_node *new_op1 = be_transform_node(op1);
-		return new_imm(dbgi, block, new_op1, get_tarval_long(get_Const_tarval(op2)));
+	if (flags & MATCH_MODE_NEUTRAL) {
+		op1 = sparc_skip_downconv(op1);
+		op2 = sparc_skip_downconv(op2);
 	}
+	mode1 = get_irn_mode(op1);
+	mode2 = get_irn_mode(op2);
 
+	if (is_imm_encodeable(op2)) {
+		ir_node *new_op1   = be_transform_node(op1);
+		int32_t  immediate = get_tarval_long(get_Const_tarval(op2));
+		if (! (flags & MATCH_MODE_NEUTRAL) && needs_extension(mode1)) {
+			new_op1 = gen_extension(dbgi, block, new_op1, mode1);
+		}
+		return new_imm(dbgi, block, new_op1, NULL, immediate);
+	}
 	new_op2 = be_transform_node(op2);
+	if (! (flags & MATCH_MODE_NEUTRAL) && needs_extension(mode2)) {
+		new_op2 = gen_extension(dbgi, block, new_op2, mode2);
+	}
 
 	if ((flags & MATCH_COMMUTATIVE) && is_imm_encodeable(op1)) {
-		return new_imm(dbgi, block, new_op2, get_tarval_long(get_Const_tarval(op1)) );
+		int32_t immediate = get_tarval_long(get_Const_tarval(op1));
+		return new_imm(dbgi, block, new_op2, NULL, immediate);
 	}
 
 	new_op1 = be_transform_node(op1);
-
+	if (! (flags & MATCH_MODE_NEUTRAL) && needs_extension(mode1)) {
+		new_op1 = gen_extension(dbgi, block, new_op1, mode1);
+	}
 	return new_reg(dbgi, block, new_op1, new_op2);
 }
 
+static ir_node *gen_helper_binop(ir_node *node, match_flags_t flags,
+                                 new_binop_reg_func new_reg,
+                                 new_binop_imm_func new_imm)
+{
+	ir_node *op1 = get_binop_left(node);
+	ir_node *op2 = get_binop_right(node);
+	return gen_helper_binop_args(node, op1, op2, flags, new_reg, new_imm);
+}
+
 /**
  * helper function for FP binop operations
  */
-static ir_node *gen_helper_binfpop(ir_node *node, new_binop_fp_func new_reg)
+static ir_node *gen_helper_binfpop(ir_node *node, ir_mode *mode,
+                                   new_binop_fp_func new_func_single,
+                                   new_binop_fp_func new_func_double,
+                                   new_binop_fp_func new_func_quad)
 {
 	ir_node  *block   = be_transform_node(get_nodes_block(node));
 	ir_node  *op1     = get_binop_left(node);
-	ir_node  *new_op1;
+	ir_node  *new_op1 = be_transform_node(op1);
 	ir_node  *op2     = get_binop_right(node);
-	ir_node  *new_op2;
+	ir_node  *new_op2 = be_transform_node(op2);
 	dbg_info *dbgi    = get_irn_dbg_info(node);
+	unsigned  bits    = get_mode_size_bits(mode);
+
+	switch (bits) {
+	case 32:
+		return new_func_single(dbgi, block, new_op1, new_op2, mode);
+	case 64:
+		return new_func_double(dbgi, block, new_op1, new_op2, mode);
+	case 128:
+		return new_func_quad(dbgi, block, new_op1, new_op2, mode);
+	default:
+		break;
+	}
+	panic("unsupported mode %+F for float op", mode);
+}
 
-	new_op2 = be_transform_node(op2);
-	new_op1 = be_transform_node(op1);
-	return new_reg(dbgi, block, new_op1, new_op2, get_irn_mode(node));
+static ir_node *gen_helper_unfpop(ir_node *node, ir_mode *mode,
+                                  new_unop_fp_func new_func_single,
+                                  new_unop_fp_func new_func_double,
+                                  new_unop_fp_func new_func_quad)
+{
+	ir_node  *block   = be_transform_node(get_nodes_block(node));
+	ir_node  *op1     = get_binop_left(node);
+	ir_node  *new_op1 = be_transform_node(op1);
+	dbg_info *dbgi    = get_irn_dbg_info(node);
+	unsigned  bits    = get_mode_size_bits(mode);
+
+	switch (bits) {
+	case 32:
+		return new_func_single(dbgi, block, new_op1, mode);
+	case 64:
+		return new_func_double(dbgi, block, new_op1, mode);
+	case 128:
+		return new_func_quad(dbgi, block, new_op1, mode);
+	default:
+		break;
+	}
+	panic("unsupported mode %+F for float op", mode);
+}
+
+static ir_node *get_g0(void)
+{
+	return be_prolog_get_reg_value(abihelper, &sparc_gp_regs[REG_G0]);
+}
+
+typedef struct address_t {
+	ir_node   *ptr;
+	ir_node   *ptr2;
+	ir_entity *entity;
+	int32_t    offset;
+} address_t;
+
+/**
+ * Match a load/store address
+ */
+static void match_address(ir_node *ptr, address_t *address, bool use_ptr2)
+{
+	ir_node   *base   = ptr;
+	ir_node   *ptr2   = NULL;
+	int32_t    offset = 0;
+	ir_entity *entity = NULL;
+
+	if (is_Add(base)) {
+		ir_node *add_right = get_Add_right(base);
+		if (is_Const(add_right)) {
+			base    = get_Add_left(base);
+			offset += get_tarval_long(get_Const_tarval(add_right));
+		}
+	}
+	/* Note that we don't match sub(x, Const) or chains of adds/subs
+	 * because this should all be normalized by now */
+
+	/* we only use the symconst if we're the only user otherwise we probably
+	 * won't save anything but produce multiple sethi+or combinations with
+	 * just different offsets */
+	if (is_SymConst(base) && get_irn_n_edges(base) == 1) {
+		dbg_info *dbgi      = get_irn_dbg_info(ptr);
+		ir_node  *block     = get_nodes_block(ptr);
+		ir_node  *new_block = be_transform_node(block);
+		entity = get_SymConst_entity(base);
+		base   = new_bd_sparc_SetHi(dbgi, new_block, entity, offset);
+	} else if (use_ptr2 && is_Add(base) && entity == NULL && offset == 0) {
+		ptr2 = be_transform_node(get_Add_right(base));
+		base = be_transform_node(get_Add_left(base));
+	} else {
+		if (is_value_imm_encodeable(offset)) {
+			base = be_transform_node(base);
+		} else {
+			base   = be_transform_node(ptr);
+			offset = 0;
+		}
+	}
+
+	address->ptr    = base;
+	address->ptr2   = ptr2;
+	address->entity = entity;
+	address->offset = offset;
 }
 
 /**
@@ -280,13 +398,47 @@ static ir_node *gen_helper_binfpop(ir_node *node, new_binop_fp_func new_reg)
 static ir_node *gen_Add(ir_node *node)
 {
 	ir_mode *mode = get_irn_mode(node);
+	ir_node *right;
 
-	if (mode_is_float(mode))
-		panic("FP not implemented yet");
+	if (mode_is_float(mode)) {
+		return gen_helper_binfpop(node, mode, new_bd_sparc_fadd_s,
+		                          new_bd_sparc_fadd_d, new_bd_sparc_fadd_q);
+	}
 
-	return gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_SIZE_NEUTRAL, new_bd_sparc_Add_reg, new_bd_sparc_Add_imm);
-}
+	/* special case: + 0x1000 can be represented as - 0x1000 */
+	right = get_Add_right(node);
+	if (is_Const(right)) {
+		tarval  *tv;
+		uint32_t val;
+		ir_node *left = get_Add_left(node);
+		/* is this simple address arithmetic? then we can let the linker do
+		 * the calculation. */
+		if (is_SymConst(left) && get_irn_n_edges(left) == 1) {
+			dbg_info *dbgi  = get_irn_dbg_info(node);
+			ir_node  *block = be_transform_node(get_nodes_block(node));
+			address_t address;
+
+			/* the value of use_ptr2 shouldn't matter here */
+			match_address(node, &address, false);
+			assert(is_sparc_SetHi(address.ptr));
+			return new_bd_sparc_Or_imm(dbgi, block, address.ptr,
+			                           address.entity, address.offset);
+		}
 
+		tv  = get_Const_tarval(right);
+		val = get_tarval_long(tv);
+		if (val == 0x1000) {
+			dbg_info *dbgi   = get_irn_dbg_info(node);
+			ir_node  *block  = be_transform_node(get_nodes_block(node));
+			ir_node  *op     = get_Add_left(node);
+			ir_node  *new_op = be_transform_node(op);
+			return new_bd_sparc_Sub_imm(dbgi, block, new_op, NULL, -0x1000);
+		}
+	}
+
+	return gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_MODE_NEUTRAL,
+	                        new_bd_sparc_Add_reg, new_bd_sparc_Add_imm);
+}
 
 /**
  * Creates an sparc Sub.
@@ -297,12 +449,53 @@ static ir_node *gen_Add(ir_node *node)
 static ir_node *gen_Sub(ir_node *node)
 {
 	ir_mode *mode = get_irn_mode(node);
-	if (mode_is_float(mode))
-		panic("FP not implemented yet");
 
-	return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_Sub_reg, new_bd_sparc_Sub_imm);
+	if (mode_is_float(mode)) {
+		return gen_helper_binfpop(node, mode, new_bd_sparc_fsub_s,
+		                          new_bd_sparc_fsub_d, new_bd_sparc_fsub_q);
+	}
+
+	return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Sub_reg, new_bd_sparc_Sub_imm);
+}
+
+static ir_node *create_ldf(dbg_info *dbgi, ir_node *block, ir_node *ptr,
+                           ir_node *mem, ir_mode *mode, ir_entity *entity,
+                           long offset, bool is_frame_entity)
+{
+	unsigned bits = get_mode_size_bits(mode);
+	assert(mode_is_float(mode));
+	if (bits == 32) {
+		return new_bd_sparc_Ldf_s(dbgi, block, ptr, mem, mode, entity,
+		                          offset, is_frame_entity);
+	} else if (bits == 64) {
+		return new_bd_sparc_Ldf_d(dbgi, block, ptr, mem, mode, entity,
+		                          offset, is_frame_entity);
+	} else {
+		assert(bits == 128);
+		return new_bd_sparc_Ldf_q(dbgi, block, ptr, mem, mode, entity,
+		                          offset, is_frame_entity);
+	}
 }
 
+static ir_node *create_stf(dbg_info *dbgi, ir_node *block, ir_node *value,
+                           ir_node *ptr, ir_node *mem, ir_mode *mode,
+                           ir_entity *entity, long offset,
+                           bool is_frame_entity)
+{
+	unsigned bits = get_mode_size_bits(mode);
+	assert(mode_is_float(mode));
+	if (bits == 32) {
+		return new_bd_sparc_Stf_s(dbgi, block, value, ptr, mem, mode, entity,
+		                          offset, is_frame_entity);
+	} else if (bits == 64) {
+		return new_bd_sparc_Stf_d(dbgi, block, value, ptr, mem, mode, entity,
+		                          offset, is_frame_entity);
+	} else {
+		assert(bits == 128);
+		return new_bd_sparc_Stf_q(dbgi, block, value, ptr, mem, mode, entity,
+		                          offset, is_frame_entity);
+	}
+}
 
 /**
  * Transforms a Load.
@@ -312,26 +505,36 @@ static ir_node *gen_Sub(ir_node *node)
  */
 static ir_node *gen_Load(ir_node *node)
 {
+	dbg_info *dbgi     = get_irn_dbg_info(node);
 	ir_mode  *mode     = get_Load_mode(node);
 	ir_node  *block    = be_transform_node(get_nodes_block(node));
 	ir_node  *ptr      = get_Load_ptr(node);
-	ir_node  *new_ptr  = be_transform_node(ptr);
 	ir_node  *mem      = get_Load_mem(node);
 	ir_node  *new_mem  = be_transform_node(mem);
-	dbg_info *dbgi      = get_irn_dbg_info(node);
 	ir_node  *new_load = NULL;
+	address_t address;
 
-	if (mode_is_float(mode))
-		panic("SPARC: no fp implementation yet");
-
-	new_load = new_bd_sparc_Ld(dbgi, block, new_ptr, new_mem, mode, NULL, 0, 0, false);
+	if (mode_is_float(mode)) {
+		match_address(ptr, &address, false);
+		new_load = create_ldf(dbgi, block, address.ptr, new_mem, mode,
+		                      address.entity, address.offset, false);
+	} else {
+		match_address(ptr, &address, true);
+		if (address.ptr2 != NULL) {
+			assert(address.entity == NULL && address.offset == 0);
+			new_load = new_bd_sparc_Ld_reg(dbgi, block, address.ptr,
+			                               address.ptr2, new_mem, mode);
+		} else {
+			new_load = new_bd_sparc_Ld_imm(dbgi, block, address.ptr, new_mem,
+			                               mode, address.entity, address.offset,
+			                               false);
+		}
+	}
 	set_irn_pinned(new_load, get_irn_pinned(node));
 
 	return new_load;
 }
 
-
-
 /**
  * Transforms a Store.
  *
@@ -342,19 +545,33 @@ static ir_node *gen_Store(ir_node *node)
 {
 	ir_node  *block    = be_transform_node(get_nodes_block(node));
 	ir_node  *ptr      = get_Store_ptr(node);
-	ir_node  *new_ptr  = be_transform_node(ptr);
 	ir_node  *mem      = get_Store_mem(node);
 	ir_node  *new_mem  = be_transform_node(mem);
 	ir_node  *val      = get_Store_value(node);
 	ir_node  *new_val  = be_transform_node(val);
 	ir_mode  *mode     = get_irn_mode(val);
 	dbg_info *dbgi     = get_irn_dbg_info(node);
-	ir_node *new_store = NULL;
+	ir_node  *new_store = NULL;
+	address_t address;
 
-	if (mode_is_float(mode))
-		panic("SPARC: no fp implementation yet");
-
-	new_store = new_bd_sparc_St(dbgi, block, new_ptr, new_val, new_mem, mode, NULL, 0, 0, false);
+	if (mode_is_float(mode)) {
+		/* TODO: variants with reg+reg address mode */
+		match_address(ptr, &address, false);
+		new_store = create_stf(dbgi, block, new_val, address.ptr, new_mem,
+		                       mode, address.entity, address.offset, false);
+	} else {
+		match_address(ptr, &address, true);
+		if (address.ptr2 != NULL) {
+			assert(address.entity == NULL && address.offset == 0);
+			new_store = new_bd_sparc_St_reg(dbgi, block, new_val, address.ptr,
+			                                address.ptr2, new_mem, mode);
+		} else {
+			new_store = new_bd_sparc_St_imm(dbgi, block, new_val, address.ptr,
+			                                new_mem, mode, address.entity,
+			                                address.offset, false);
+		}
+	}
+	set_irn_pinned(new_store, get_irn_pinned(node));
 
 	return new_store;
 }
@@ -365,22 +582,16 @@ static ir_node *gen_Store(ir_node *node)
  *
  * @return the created sparc Mul node
  */
-static ir_node *gen_Mul(ir_node *node) {
-	ir_mode  *mode = get_irn_mode(node);
-	ir_node  *mul;
-	ir_node  *proj_res_low;
-
+static ir_node *gen_Mul(ir_node *node)
+{
+	ir_mode *mode = get_irn_mode(node);
 	if (mode_is_float(mode)) {
-		mul = gen_helper_binfpop(node, new_bd_sparc_fMul);
-		return mul;
+		return gen_helper_binfpop(node, mode, new_bd_sparc_fmul_s,
+		                          new_bd_sparc_fmul_d, new_bd_sparc_fmul_q);
 	}
 
-	assert(mode_is_data(mode));
-	mul = gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_SIZE_NEUTRAL, new_bd_sparc_Mul_reg, new_bd_sparc_Mul_imm);
-	arch_irn_add_flags(mul, arch_irn_flags_modify_flags);
-
-	proj_res_low = new_r_Proj(mul, mode_gp, pn_sparc_Mul_low);
-	return proj_res_low;
+	return gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_MODE_NEUTRAL,
+	                        new_bd_sparc_Mul_reg, new_bd_sparc_Mul_imm);
 }
 
 /**
@@ -389,20 +600,27 @@ static ir_node *gen_Mul(ir_node *node) {
  *
  * @return the created sparc Mulh node
  */
-static ir_node *gen_Mulh(ir_node *node) {
+static ir_node *gen_Mulh(ir_node *node)
+{
 	ir_mode *mode = get_irn_mode(node);
 	ir_node *mul;
-	ir_node *proj_res_hi;
 
 	if (mode_is_float(mode))
 		panic("FP not supported yet");
 
+	mul = gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Mulh_reg, new_bd_sparc_Mulh_imm);
+	return new_r_Proj(mul, mode_gp, pn_sparc_Mulh_low);
+}
 
-	assert(mode_is_data(mode));
-	mul = gen_helper_binop(node, MATCH_COMMUTATIVE | MATCH_SIZE_NEUTRAL, new_bd_sparc_Mulh_reg, new_bd_sparc_Mulh_imm);
-	//arch_irn_add_flags(mul, arch_irn_flags_modify_flags);
-	proj_res_hi = new_r_Proj(mul, mode_gp, pn_sparc_Mulh_low);
-	return proj_res_hi;
+static ir_node *gen_sign_extension_value(ir_node *node)
+{
+	ir_node *block     = get_nodes_block(node);
+	ir_node *new_block = be_transform_node(block);
+	ir_node *new_node  = be_transform_node(node);
+	/* TODO: we could do some shortcuts for some value types probably.
+	 * (For constants or other cases where we know the sign bit in
+	 *  advance) */
+	return new_bd_sparc_Sra_imm(NULL, new_block, new_node, NULL, 31);
 }
 
 /**
@@ -410,50 +628,74 @@ static ir_node *gen_Mulh(ir_node *node) {
  *
  * @return the created sparc Div node
  */
-static ir_node *gen_Div(ir_node *node) {
-
-	ir_mode  *mode    = get_irn_mode(node);
-
-	ir_node *div;
-
-	if (mode_is_float(mode))
-		panic("FP not supported yet");
+static ir_node *gen_Div(ir_node *node)
+{
+	dbg_info *dbgi      = get_irn_dbg_info(node);
+	ir_node  *block     = get_nodes_block(node);
+	ir_node  *new_block = be_transform_node(block);
+	ir_mode  *mode      = get_Div_resmode(node);
+	ir_node  *left      = get_Div_left(node);
+	ir_node  *left_low  = be_transform_node(left);
+	ir_node  *right     = get_Div_right(node);
+	ir_node  *res;
+
+	assert(!mode_is_float(mode));
+	if (mode_is_signed(mode)) {
+		ir_node *left_high = gen_sign_extension_value(left);
+
+		if (is_imm_encodeable(right)) {
+			int32_t immediate = get_tarval_long(get_Const_tarval(right));
+			res = new_bd_sparc_SDiv_imm(dbgi, new_block, left_high, left_low,
+			                            NULL, immediate);
+		} else {
+			ir_node *new_right = be_transform_node(right);
+			res = new_bd_sparc_SDiv_reg(dbgi, new_block, left_high, left_low,
+			                            new_right);
+		}
+	} else {
+		ir_node *left_high = get_g0();
+		if (is_imm_encodeable(right)) {
+			int32_t immediate = get_tarval_long(get_Const_tarval(right));
+			res = new_bd_sparc_UDiv_imm(dbgi, new_block, left_high, left_low,
+			                            NULL, immediate);
+		} else {
+			ir_node *new_right = be_transform_node(right);
+			res = new_bd_sparc_UDiv_reg(dbgi, new_block, left_high, left_low,
+			                            new_right);
+		}
+	}
 
-	//assert(mode_is_data(mode));
-	div = gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_Div_reg, new_bd_sparc_Div_imm);
-	return div;
+	return res;
 }
 
+static ir_node *gen_Quot(ir_node *node)
+{
+	ir_mode *mode = get_Quot_resmode(node);
+	assert(mode_is_float(mode));
+	return gen_helper_binfpop(node, mode, new_bd_sparc_fdiv_s,
+	                          new_bd_sparc_fdiv_d, new_bd_sparc_fdiv_q);
+}
 
-/**
- * transform abs node:
- * mov a, b
- * sra b, 31, b
- * xor a, b
- * sub a, b
- *
- * @return
- */
-static ir_node *gen_Abs(ir_node *node) {
-	ir_node  *block   = be_transform_node(get_nodes_block(node));
-	ir_mode  *mode    = get_irn_mode(node);
-	dbg_info *dbgi    = get_irn_dbg_info(node);
-	ir_node   *op     = get_Abs_op(node);
-
-	ir_node *mov, *sra, *xor, *sub, *new_op;
-
-	if (mode_is_float(mode))
-		panic("FP not supported yet");
-
-	new_op = be_transform_node(op);
-
-	mov = new_bd_sparc_Mov_reg(dbgi, block, new_op);
-	sra = new_bd_sparc_Sra_imm(dbgi, block, mov, 31);
-	xor = new_bd_sparc_Xor_reg(dbgi, block, new_op, sra);
-	sub = new_bd_sparc_Sub_reg(dbgi, block, sra, xor);
+#if 0
+static ir_node *gen_Abs(ir_node *node)
+{
+	ir_mode *const mode = get_irn_mode(node);
 
-	return sub;
+	if (mode_is_float(mode)) {
+		return gen_helper_unfpop(node, mode, new_bd_sparc_fabs_s,
+		                         new_bd_sparc_fabs_d, new_bd_sparc_fabs_q);
+	} else {
+		ir_node  *const block  = be_transform_node(get_nodes_block(node));
+		dbg_info *const dbgi   = get_irn_dbg_info(node);
+		ir_node  *const op     = get_Abs_op(node);
+		ir_node  *const new_op = be_transform_node(op);
+		ir_node  *const sra    = new_bd_sparc_Sra_imm(dbgi, block, new_op, NULL, 31);
+		ir_node  *const xor    = new_bd_sparc_Xor_reg(dbgi, block, new_op, sra);
+		ir_node  *const sub    = new_bd_sparc_Sub_reg(dbgi, block, xor,    sra);
+		return sub;
+	}
 }
+#endif
 
 /**
  * Transforms a Not node.
@@ -462,72 +704,106 @@ static ir_node *gen_Abs(ir_node *node) {
  */
 static ir_node *gen_Not(ir_node *node)
 {
-	ir_node  *block   = be_transform_node(get_nodes_block(node));
-	ir_node  *op      = get_Not_op(node);
-	ir_node  *new_op  = be_transform_node(op);
-	dbg_info *dbgi    = get_irn_dbg_info(node);
+	ir_node  *op     = get_Not_op(node);
+	ir_node  *zero   = get_g0();
+	dbg_info *dbgi   = get_irn_dbg_info(node);
+	ir_node  *block  = be_transform_node(get_nodes_block(node));
+	ir_node  *new_op = be_transform_node(op);
+
+	/* Note: Not(Eor()) is normalize in firm locatopts already so
+	 * we don't match it for xnor here */
+
+	/* Not can be represented with xnor 0, n */
+	return new_bd_sparc_XNor_reg(dbgi, block, zero, new_op);
+}
 
-	return new_bd_sparc_Not(dbgi, block, new_op);
+static ir_node *gen_helper_bitop(ir_node *node,
+                                 new_binop_reg_func new_reg,
+                                 new_binop_imm_func new_imm,
+                                 new_binop_reg_func new_not_reg,
+                                 new_binop_imm_func new_not_imm)
+{
+	ir_node *op1 = get_binop_left(node);
+	ir_node *op2 = get_binop_right(node);
+	if (is_Not(op1)) {
+		return gen_helper_binop_args(node, op2, get_Not_op(op1),
+		                             MATCH_MODE_NEUTRAL,
+		                             new_not_reg, new_not_imm);
+	}
+	if (is_Not(op2)) {
+		return gen_helper_binop_args(node, op1, get_Not_op(op2),
+		                             MATCH_MODE_NEUTRAL,
+		                             new_not_reg, new_not_imm);
+	}
+	return gen_helper_binop_args(node, op1, op2,
+								 MATCH_MODE_NEUTRAL | MATCH_COMMUTATIVE,
+								 new_reg, new_imm);
 }
 
 static ir_node *gen_And(ir_node *node)
 {
-	return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_And_reg, new_bd_sparc_And_imm);
+	return gen_helper_bitop(node,
+	                        new_bd_sparc_And_reg,
+	                        new_bd_sparc_And_imm,
+	                        new_bd_sparc_AndN_reg,
+	                        new_bd_sparc_AndN_imm);
 }
 
 static ir_node *gen_Or(ir_node *node)
 {
-	return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Or_reg, new_bd_sparc_Or_imm);
+	return gen_helper_bitop(node,
+	                        new_bd_sparc_Or_reg,
+	                        new_bd_sparc_Or_imm,
+	                        new_bd_sparc_OrN_reg,
+	                        new_bd_sparc_OrN_imm);
 }
 
 static ir_node *gen_Eor(ir_node *node)
 {
-	return gen_helper_binop(node, MATCH_COMMUTATIVE, new_bd_sparc_Xor_reg, new_bd_sparc_Xor_imm);
+	return gen_helper_bitop(node,
+	                        new_bd_sparc_Xor_reg,
+	                        new_bd_sparc_Xor_imm,
+	                        new_bd_sparc_XNor_reg,
+	                        new_bd_sparc_XNor_imm);
 }
 
 static ir_node *gen_Shl(ir_node *node)
 {
-	return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_Sll_reg, new_bd_sparc_Sll_imm);
+	return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Sll_reg, new_bd_sparc_Sll_imm);
 }
 
 static ir_node *gen_Shr(ir_node *node)
 {
-	return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_Slr_reg, new_bd_sparc_Slr_imm);
+	return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Slr_reg, new_bd_sparc_Slr_imm);
 }
 
 static ir_node *gen_Shrs(ir_node *node)
 {
-	return gen_helper_binop(node, MATCH_SIZE_NEUTRAL, new_bd_sparc_Sra_reg, new_bd_sparc_Sra_imm);
+	return gen_helper_binop(node, MATCH_NONE, new_bd_sparc_Sra_reg, new_bd_sparc_Sra_imm);
 }
 
-/****** TRANSFORM GENERAL BACKEND NODES ********/
-
 /**
  * Transforms a Minus node.
- *
  */
 static ir_node *gen_Minus(ir_node *node)
 {
-	ir_node  *block   = be_transform_node(get_nodes_block(node));
-	ir_node  *op      = get_Minus_op(node);
-	ir_node  *new_op  = be_transform_node(op);
-	dbg_info *dbgi    = get_irn_dbg_info(node);
-	ir_mode  *mode    = get_irn_mode(node);
+	ir_mode  *mode = get_irn_mode(node);
+	ir_node  *op;
+	ir_node  *block;
+	ir_node  *new_op;
+	ir_node  *zero;
+	dbg_info *dbgi;
 
 	if (mode_is_float(mode)) {
-		panic("FP not implemented yet");
+		return gen_helper_unfpop(node, mode, new_bd_sparc_fneg_s,
+		                         new_bd_sparc_fneg_d, new_bd_sparc_fneg_q);
 	}
-
-	assert(mode_is_data(mode));
-	return new_bd_sparc_Minus(dbgi, block, new_op);
-}
-
-static ir_node *make_addr(dbg_info *dbgi, ir_entity *entity)
-{
-	ir_node *block = get_irg_start_block(current_ir_graph);
-	ir_node *node  = new_bd_sparc_SymConst(dbgi, block, entity);
-	be_dep_on_frame(node);
-	return node;
+	block  = be_transform_node(get_nodes_block(node));
+	dbgi   = get_irn_dbg_info(node);
+	op     = get_Minus_op(node);
+	new_op = be_transform_node(op);
+	zero   = get_g0();
+	return new_bd_sparc_Sub_reg(dbgi, block, zero, new_op);
 }
 
 /**
@@ -558,185 +834,129 @@ static ir_entity *create_float_const_entity(tarval *tv)
 	return entity;
 }
 
-/**
- * Transforms a Const node.
- *
- * @param node    the ir Const node
- * @return The transformed sparc node.
- */
 static ir_node *gen_Const(ir_node *node)
 {
-	ir_node *block = be_transform_node(get_nodes_block(node));
-	ir_mode *mode  = get_irn_mode(node);
+	ir_node  *block = be_transform_node(get_nodes_block(node));
+	ir_mode  *mode  = get_irn_mode(node);
+	dbg_info *dbgi  = get_irn_dbg_info(node);
+	tarval   *tv;
+	long      value;
 
 	if (mode_is_float(mode)) {
-		dbg_info  *dbgi   = get_irn_dbg_info(node);
 		tarval    *tv     = get_Const_tarval(node);
 		ir_entity *entity = create_float_const_entity(tv);
-		ir_node   *addr   = make_addr(dbgi, entity);
+		ir_node   *hi     = new_bd_sparc_SetHi(dbgi, block, entity, 0);
 		ir_node   *mem    = new_NoMem();
 		ir_node   *new_op
-			= new_bd_sparc_Ldf(dbgi, block, addr, mem, mode, NULL, 0, 0, false);
-
+			= create_ldf(dbgi, block, hi, mem, mode, entity, 0, false);
 		ir_node   *proj   = new_Proj(new_op, mode, pn_sparc_Ldf_res);
+		be_dep_on_frame(hi);
+
+		set_irn_pinned(new_op, op_pin_state_floats);
 		return proj;
 	}
 
-	return create_const_graph(node, block);
-}
-
-/**
- * AddSP
- * @param node the ir AddSP node
- * @return transformed sparc SAVE node
- */
-static ir_node *gen_be_AddSP(ir_node *node)
-{
-	ir_node  *block  = be_transform_node(get_nodes_block(node));
-	ir_node  *sz     = get_irn_n(node, be_pos_AddSP_size);
-	ir_node  *new_sz = be_transform_node(sz);
-	ir_node  *sp     = get_irn_n(node, be_pos_AddSP_old_sp);
-	ir_node  *new_sp = be_transform_node(sp);
-	dbg_info *dbgi   = get_irn_dbg_info(node);
-	ir_node  *nomem  = new_NoMem();
-	ir_node  *new_op;
-
-	/* SPARC stack grows in reverse direction */
-	new_op = new_bd_sparc_SubSP(dbgi, block, new_sp, new_sz, nomem);
-
-	return new_op;
-}
-
-
-/**
- * SubSP
- * @param node the ir SubSP node
- * @return transformed sparc SAVE node
- */
-static ir_node *gen_be_SubSP(ir_node *node)
-{
-	ir_node  *block  = be_transform_node(get_nodes_block(node));
-	ir_node  *sz     = get_irn_n(node, be_pos_SubSP_size);
-	ir_node  *new_sz = be_transform_node(sz);
-	ir_node  *sp     = get_irn_n(node, be_pos_SubSP_old_sp);
-	ir_node  *new_sp = be_transform_node(sp);
-	dbg_info *dbgi   = get_irn_dbg_info(node);
-	ir_node  *nomem  = new_NoMem();
-	ir_node  *new_op;
-
-	/* SPARC stack grows in reverse direction */
-	new_op = new_bd_sparc_AddSP(dbgi, block, new_sp, new_sz, nomem);
-	return new_op;
-}
-
-/**
- * transform FrameAddr
- */
-static ir_node *gen_be_FrameAddr(ir_node *node)
-{
-	ir_node   *block  = be_transform_node(get_nodes_block(node));
-	ir_entity *ent    = be_get_frame_entity(node);
-	ir_node   *fp     = be_get_FrameAddr_frame(node);
-	ir_node   *new_fp = be_transform_node(fp);
-	dbg_info  *dbgi   = get_irn_dbg_info(node);
-	ir_node   *new_node;
-	new_node = new_bd_sparc_FrameAddr(dbgi, block, new_fp, ent);
-	return new_node;
+	tv    = get_Const_tarval(node);
+	value = get_tarval_long(tv);
+	if (value == 0) {
+		return get_g0();
+	} else if (-4096 <= value && value <= 4095) {
+		return new_bd_sparc_Or_imm(dbgi, block, get_g0(), NULL, value);
+	} else {
+		ir_node *hi = new_bd_sparc_SetHi(dbgi, block, NULL, value);
+		be_dep_on_frame(hi);
+		if ((value & 0x3ff) != 0) {
+			return new_bd_sparc_Or_imm(dbgi, block, hi, NULL, value & 0x3ff);
+		} else {
+			return hi;
+		}
+	}
 }
 
-/**
- * Transform a be_Copy.
- */
-static ir_node *gen_be_Copy(ir_node *node)
+static ir_mode *get_cmp_mode(ir_node *b_value)
 {
-	ir_node *result = be_duplicate_node(node);
-	ir_mode *mode   = get_irn_mode(result);
-
-	if (mode_needs_gp_reg(mode)) {
-		set_irn_mode(node, mode_gp);
-	}
+	ir_node *pred;
+	ir_node *op;
 
-	return result;
+	if (!is_Proj(b_value))
+		panic("can't determine cond signednes");
+	pred = get_Proj_pred(b_value);
+	if (!is_Cmp(pred))
+		panic("can't determine cond signednes (no cmp)");
+	op = get_Cmp_left(pred);
+	return get_irn_mode(op);
 }
 
-/**
- * Transform a Call
- */
-static ir_node *gen_be_Call(ir_node *node)
+static ir_node *make_address(dbg_info *dbgi, ir_node *block, ir_entity *entity,
+                             int32_t offset)
 {
-	ir_node *res = be_duplicate_node(node);
-	arch_irn_add_flags(res, arch_irn_flags_modify_flags);
-	return res;
+	ir_node *hi  = new_bd_sparc_SetHi(dbgi, block, entity, offset);
+	ir_node *low = new_bd_sparc_Or_imm(dbgi, block, hi, entity, offset);
+	be_dep_on_frame(hi);
+	return low;
 }
 
-/**
- * Transforms a Switch.
- *
- */
 static ir_node *gen_SwitchJmp(ir_node *node)
 {
-	ir_node  *block    = be_transform_node(get_nodes_block(node));
-	ir_node  *selector = get_Cond_selector(node);
-	dbg_info *dbgi     = get_irn_dbg_info(node);
-	ir_node *new_op = be_transform_node(selector);
-	ir_node *const_graph;
-	ir_node *sub;
-
-	ir_node *proj;
+	dbg_info        *dbgi         = get_irn_dbg_info(node);
+	ir_node         *block        = be_transform_node(get_nodes_block(node));
+	ir_node         *selector     = get_Cond_selector(node);
+	ir_node         *new_selector = be_transform_node(selector);
+	long             switch_min   = LONG_MAX;
+	long             switch_max   = LONG_MIN;
+	long             default_pn   = get_Cond_default_proj(node);
+	ir_entity       *entity;
+	ir_node         *table_address;
+	ir_node         *index;
+	ir_node         *load;
+	ir_node         *address;
+	unsigned         length;
 	const ir_edge_t *edge;
-	int min = INT_MAX;
-	int max = INT_MIN;
-	int translation;
-	int pn;
-	int n_projs;
-
-	foreach_out_edge(node, edge) {
-		proj = get_edge_src_irn(edge);
-		assert(is_Proj(proj) && "Only proj allowed at SwitchJmp");
 
-		pn = get_Proj_proj(proj);
-
-		min = pn<min ? pn : min;
-		max = pn>max ? pn : max;
-	}
-
-	translation = min;
-	n_projs = max - translation + 1;
+	/* switch with smaller mode not implemented yet */
+	assert(get_mode_size_bits(get_irn_mode(selector)) == 32);
 
 	foreach_out_edge(node, edge) {
-		proj = get_edge_src_irn(edge);
-		assert(is_Proj(proj) && "Only proj allowed at SwitchJmp");
+		ir_node *proj = get_edge_src_irn(edge);
+		long     pn   = get_Proj_proj(proj);
+		if (pn == default_pn)
+			continue;
 
-		pn = get_Proj_proj(proj) - translation;
-		set_Proj_proj(proj, pn);
+		switch_min = pn<switch_min ? pn : switch_min;
+		switch_max = pn>switch_max ? pn : switch_max;
+	}
+	length = (unsigned long) (switch_max - switch_min);
+	if (length > 16000) {
+		panic("Size of switch %+F bigger than 16000", node);
 	}
 
-	const_graph = create_const_graph_value(dbgi, block, translation);
-	sub = new_bd_sparc_Sub_reg(dbgi, block, new_op, const_graph);
-	return new_bd_sparc_SwitchJmp(dbgi, block, sub, n_projs, get_Cond_default_proj(node) - translation);
-}
+	entity = new_entity(NULL, id_unique("TBL%u"), get_unknown_type());
+	set_entity_visibility(entity, ir_visibility_private);
+	add_entity_linkage(entity, IR_LINKAGE_CONSTANT);
 
-static bool is_cmp_unsigned(ir_node *b_value)
-{
-	ir_node *pred;
-	ir_node *op;
+	/* TODO: this code does not construct code to check for access
+	 * out-of bounds of the jumptable yet. I think we should put this stuff
+	 * into the switch_lowering phase to get some additional optimisations
+	 * done. */
 
-	if (!is_Proj(b_value))
-		panic("can't determine cond signednes");
-	pred = get_Proj_pred(b_value);
-	if (!is_Cmp(pred))
-		panic("can't determine cond signednes (no cmp)");
-	op = get_Cmp_left(pred);
-	return !mode_is_signed(get_irn_mode(op));
+	/* construct base address */
+	table_address = make_address(dbgi, block, entity,
+	                             -switch_min * get_mode_size_bytes(mode_gp));
+	/* scale index */
+	index = new_bd_sparc_Sll_imm(dbgi, block, new_selector, NULL, 2);
+	/* load from jumptable */
+	load = new_bd_sparc_Ld_reg(dbgi, block, table_address, index, new_NoMem(),
+	                           mode_gp);
+	address = new_r_Proj(load, mode_gp, pn_sparc_Ld_res);
+
+	return new_bd_sparc_SwitchJmp(dbgi, block, address, default_pn, entity);
 }
 
-/**
- * Transform Cond nodes
- */
 static ir_node *gen_Cond(ir_node *node)
 {
 	ir_node  *selector = get_Cond_selector(node);
 	ir_mode  *mode     = get_irn_mode(selector);
+	ir_mode  *cmp_mode;
 	ir_node  *block;
 	ir_node  *flag_node;
 	bool      is_unsigned;
@@ -752,12 +972,19 @@ static ir_node *gen_Cond(ir_node *node)
 	assert(is_Proj(selector));
 	assert(is_Cmp(get_Proj_pred(selector)));
 
+	cmp_mode = get_cmp_mode(selector);
+
 	block       = be_transform_node(get_nodes_block(node));
 	dbgi        = get_irn_dbg_info(node);
 	flag_node   = be_transform_node(get_Proj_pred(selector));
 	pnc         = get_Proj_proj(selector);
-	is_unsigned = is_cmp_unsigned(selector);
-	return new_bd_sparc_BXX(dbgi, block, flag_node, pnc, is_unsigned);
+	is_unsigned = !mode_is_signed(cmp_mode);
+	if (mode_is_float(cmp_mode)) {
+		assert(!is_unsigned);
+		return new_bd_sparc_fbfcc(dbgi, block, flag_node, pnc);
+	} else {
+		return new_bd_sparc_Bicc(dbgi, block, flag_node, pnc, is_unsigned);
+	}
 }
 
 /**
@@ -765,47 +992,56 @@ static ir_node *gen_Cond(ir_node *node)
  */
 static ir_node *gen_Cmp(ir_node *node)
 {
-	ir_node  *block    = be_transform_node(get_nodes_block(node));
-	ir_node  *op1      = get_Cmp_left(node);
-	ir_node  *op2      = get_Cmp_right(node);
-	ir_mode  *cmp_mode = get_irn_mode(op1);
-	dbg_info *dbgi     = get_irn_dbg_info(node);
-	ir_node  *new_op1;
-	ir_node  *new_op2;
-
-	if (mode_is_float(cmp_mode)) {
-		panic("FloatCmp not implemented");
-	}
-
-	/*
-	if (get_mode_size_bits(cmp_mode) != 32) {
-		panic("CmpMode != 32bit not supported yet");
-	}
-	*/
-
+	ir_node *op1      = get_Cmp_left(node);
+	ir_node *op2      = get_Cmp_right(node);
+	ir_mode *cmp_mode = get_irn_mode(op1);
 	assert(get_irn_mode(op2) == cmp_mode);
 
-	/* compare with 0 can be done with Tst */
-	/*
-	if (is_Const(op2) && tarval_is_null(get_Const_tarval(op2))) {
-		new_op1 = be_transform_node(op1);
-		return new_bd_sparc_Tst(dbgi, block, new_op1, false,
-		                          is_unsigned);
+	if (mode_is_float(cmp_mode)) {
+		ir_node  *block   = be_transform_node(get_nodes_block(node));
+		dbg_info *dbgi    = get_irn_dbg_info(node);
+		ir_node  *new_op1 = be_transform_node(op1);
+		ir_node  *new_op2 = be_transform_node(op2);
+		unsigned  bits    = get_mode_size_bits(cmp_mode);
+		if (bits == 32) {
+			return new_bd_sparc_fcmp_s(dbgi, block, new_op1, new_op2, cmp_mode);
+		} else if (bits == 64) {
+			return new_bd_sparc_fcmp_d(dbgi, block, new_op1, new_op2, cmp_mode);
+		} else {
+			assert(bits == 128);
+			return new_bd_sparc_fcmp_q(dbgi, block, new_op1, new_op2, cmp_mode);
+		}
 	}
 
-	if (is_Const(op1) && tarval_is_null(get_Const_tarval(op1))) {
-		new_op2 = be_transform_node(op2);
-		return new_bd_sparc_Tst(dbgi, block, new_op2, true,
-		                          is_unsigned);
+	/* when we compare a bitop like and,or,... with 0 then we can directly use
+	 * the bitopcc variant.
+	 * Currently we only do this when we're the only user of the node...
+	 */
+	if (is_Const(op2) && is_Const_null(op2) && get_irn_n_edges(op1) == 1) {
+		if (is_And(op1)) {
+			return gen_helper_bitop(op1,
+			                        new_bd_sparc_AndCCZero_reg,
+			                        new_bd_sparc_AndCCZero_imm,
+			                        new_bd_sparc_AndNCCZero_reg,
+			                        new_bd_sparc_AndNCCZero_imm);
+		} else if (is_Or(op1)) {
+			return gen_helper_bitop(op1,
+			                        new_bd_sparc_OrCCZero_reg,
+			                        new_bd_sparc_OrCCZero_imm,
+			                        new_bd_sparc_OrNCCZero_reg,
+			                        new_bd_sparc_OrNCCZero_imm);
+		} else if (is_Eor(op1)) {
+			return gen_helper_bitop(op1,
+			                        new_bd_sparc_XorCCZero_reg,
+			                        new_bd_sparc_XorCCZero_imm,
+			                        new_bd_sparc_XNorCCZero_reg,
+			                        new_bd_sparc_XNorCCZero_imm);
+		}
 	}
-	*/
 
 	/* integer compare */
-	new_op1 = be_transform_node(op1);
-	new_op1 = gen_extension(dbgi, block, new_op1, cmp_mode);
-	new_op2 = be_transform_node(op2);
-	new_op2 = gen_extension(dbgi, block, new_op2, cmp_mode);
-	return new_bd_sparc_Cmp_reg(dbgi, block, new_op1, new_op2);
+	return gen_helper_binop_args(node, op1, op2, MATCH_NONE,
+	                             new_bd_sparc_Cmp_reg, new_bd_sparc_Cmp_imm);
 }
 
 /**
@@ -813,10 +1049,69 @@ static ir_node *gen_Cmp(ir_node *node)
  */
 static ir_node *gen_SymConst(ir_node *node)
 {
-	ir_entity *entity = get_SymConst_entity(node);
-	dbg_info  *dbgi   = get_irn_dbg_info(node);
+	ir_entity *entity    = get_SymConst_entity(node);
+	dbg_info  *dbgi      = get_irn_dbg_info(node);
+	ir_node   *block     = get_nodes_block(node);
+	ir_node   *new_block = be_transform_node(block);
+	return make_address(dbgi, new_block, entity, 0);
+}
+
+static ir_node *create_fftof(dbg_info *dbgi, ir_node *block, ir_node *op,
+                             ir_mode *src_mode, ir_mode *dst_mode)
+{
+	unsigned src_bits = get_mode_size_bits(src_mode);
+	unsigned dst_bits = get_mode_size_bits(dst_mode);
+	if (src_bits == 32) {
+		if (dst_bits == 64) {
+			return new_bd_sparc_fftof_s_d(dbgi, block, op, src_mode, dst_mode);
+		} else {
+			assert(dst_bits == 128);
+			return new_bd_sparc_fftof_s_q(dbgi, block, op, src_mode, dst_mode);
+		}
+	} else if (src_bits == 64) {
+		if (dst_bits == 32) {
+			return new_bd_sparc_fftof_d_s(dbgi, block, op, src_mode, dst_mode);
+		} else {
+			assert(dst_bits == 128);
+			return new_bd_sparc_fftof_d_q(dbgi, block, op, src_mode, dst_mode);
+		}
+	} else {
+		assert(src_bits == 128);
+		if (dst_bits == 32) {
+			return new_bd_sparc_fftof_q_s(dbgi, block, op, src_mode, dst_mode);
+		} else {
+			assert(dst_bits == 64);
+			return new_bd_sparc_fftof_q_d(dbgi, block, op, src_mode, dst_mode);
+		}
+	}
+}
+
+static ir_node *create_ftoi(dbg_info *dbgi, ir_node *block, ir_node *op,
+                            ir_mode *src_mode)
+{
+	unsigned bits = get_mode_size_bits(src_mode);
+	if (bits == 32) {
+		return new_bd_sparc_fftoi_s(dbgi, block, op, src_mode);
+	} else if (bits == 64) {
+		return new_bd_sparc_fftoi_d(dbgi, block, op, src_mode);
+	} else {
+		assert(bits == 128);
+		return new_bd_sparc_fftoi_q(dbgi, block, op, src_mode);
+	}
+}
 
-	return make_addr(dbgi, entity);
+static ir_node *create_itof(dbg_info *dbgi, ir_node *block, ir_node *op,
+                            ir_mode *dst_mode)
+{
+	unsigned bits = get_mode_size_bits(dst_mode);
+	if (bits == 32) {
+		return new_bd_sparc_fitof_s(dbgi, block, op, dst_mode);
+	} else if (bits == 64) {
+		return new_bd_sparc_fitof_d(dbgi, block, op, dst_mode);
+	} else {
+		assert(bits == 128);
+		return new_bd_sparc_fitof_q(dbgi, block, op, dst_mode);
+	}
 }
 
 /**
@@ -844,32 +1139,18 @@ static ir_node *gen_Conv(ir_node *node)
 		if (mode_is_float(src_mode)) {
 			if (mode_is_float(dst_mode)) {
 				/* float -> float conv */
-				if (src_bits > dst_bits) {
-					return new_bd_sparc_FsTOd(dbg, block, new_op, dst_mode);
-				} else {
-					return new_bd_sparc_FdTOs(dbg, block, new_op, dst_mode);
-				}
+				return create_fftof(dbg, block, new_op, src_mode, dst_mode);
 			} else {
 				/* float -> int conv */
-				switch (dst_bits) {
-					case 32:
-						return new_bd_sparc_FsTOi(dbg, block, new_op, dst_mode);
-					case 64:
-						return new_bd_sparc_FdTOi(dbg, block, new_op, dst_mode);
-					default:
-						panic("quad FP not implemented");
-				}
+				if (!mode_is_signed(dst_mode))
+					panic("float to unsigned not implemented yet");
+				return create_ftoi(dbg, block, new_op, src_mode);
 			}
 		} else {
 			/* int -> float conv */
-			switch (dst_bits) {
-				case 32:
-					return new_bd_sparc_FiTOs(dbg, block, new_op, src_mode);
-				case 64:
-					return new_bd_sparc_FiTOd(dbg, block, new_op, src_mode);
-				default:
-					panic("quad FP not implemented");
-			}
+			if (!mode_is_signed(src_mode))
+				panic("unsigned to float not implemented yet");
+			return create_itof(dbg, block, new_op, dst_mode);
 		}
 	} else { /* complete in gp registers */
 		int min_bits;
@@ -902,10 +1183,6 @@ static ir_node *gen_Conv(ir_node *node)
 
 static ir_node *gen_Unknown(ir_node *node)
 {
-	ir_node  *block     = get_nodes_block(node);
-	ir_node  *new_block = be_transform_node(block);
-	dbg_info *dbgi      = get_irn_dbg_info(node);
-
 	/* just produce a 0 */
 	ir_mode *mode = get_irn_mode(node);
 	if (mode_is_float(mode)) {
@@ -913,7 +1190,7 @@ static ir_node *gen_Unknown(ir_node *node)
 		be_dep_on_frame(node);
 		return node;
 	} else if (mode_needs_gp_reg(mode)) {
-		return create_const_graph_value(dbgi, new_block, 0);
+		return get_g0();
 	}
 
 	panic("Unexpected Unknown mode");
@@ -1002,6 +1279,8 @@ static ir_node *gen_Start(ir_node *node)
 	/* stackpointer is important at function prolog */
 	be_prolog_add_reg(abihelper, sp_reg,
 			arch_register_req_type_produces_sp | arch_register_req_type_ignore);
+	be_prolog_add_reg(abihelper, &sparc_gp_regs[REG_G0],
+	        arch_register_req_type_ignore);
 	/* function parameters in registers */
 	for (i = 0; i < get_method_n_params(function_type); ++i) {
 		const reg_or_stackslot_t *param = &cconv->parameters[i];
@@ -1106,37 +1385,66 @@ static ir_node *gen_Return(ir_node *node)
 }
 
 static ir_node *bitcast_int_to_float(dbg_info *dbgi, ir_node *block,
-                                     ir_node *node)
+                                     ir_node *value0, ir_node *value1)
 {
 	ir_graph *irg   = current_ir_graph;
-	ir_node  *stack = get_irg_frame(irg);
+	ir_node  *sp    = get_irg_frame(irg);
 	ir_node  *nomem = new_NoMem();
-	ir_node  *st    = new_bd_sparc_St(dbgi, block, stack, node, nomem, mode_gp,
-	                                  NULL, 0, 0, true);
+	ir_node  *st    = new_bd_sparc_St_imm(dbgi, block, value0, sp, nomem,
+	                                      mode_gp, NULL, 0, true);
+	ir_mode  *mode;
 	ir_node  *ldf;
+	ir_node  *mem;
 	set_irn_pinned(st, op_pin_state_floats);
 
-	ldf = new_bd_sparc_Ldf(dbgi, block, stack, st, mode_fp, NULL, 0, 0, true);
+	if (value1 != NULL) {
+		ir_node *st1 = new_bd_sparc_St_imm(dbgi, block, value1, sp, nomem,
+		                                   mode_gp, NULL, 4, true);
+		ir_node *in[2] = { st, st1 };
+		ir_node *sync  = new_r_Sync(block, 2, in);
+		set_irn_pinned(st1, op_pin_state_floats);
+		mem  = sync;
+		mode = mode_fp2;
+	} else {
+		mem  = st;
+		mode = mode_fp;
+	}
+
+	ldf = create_ldf(dbgi, block, sp, mem, mode, NULL, 0, true);
 	set_irn_pinned(ldf, op_pin_state_floats);
 
-	return new_Proj(ldf, mode_fp, pn_sparc_Ldf_res);
+	return new_Proj(ldf, mode, pn_sparc_Ldf_res);
 }
 
-static ir_node *bitcast_float_to_int(dbg_info *dbgi, ir_node *block,
-                                     ir_node *node)
+static void bitcast_float_to_int(dbg_info *dbgi, ir_node *block,
+                                 ir_node *node, ir_mode *float_mode,
+                                 ir_node **result)
 {
 	ir_graph *irg   = current_ir_graph;
 	ir_node  *stack = get_irg_frame(irg);
 	ir_node  *nomem = new_NoMem();
-	ir_node  *stf   = new_bd_sparc_Stf(dbgi, block, stack, node, nomem, mode_fp,
-	                                   NULL, 0, 0, true);
+	ir_node  *stf   = create_stf(dbgi, block, node, stack, nomem, float_mode,
+	                             NULL, 0, true);
+	int       bits  = get_mode_size_bits(float_mode);
 	ir_node  *ld;
 	set_irn_pinned(stf, op_pin_state_floats);
 
-	ld = new_bd_sparc_Ld(dbgi, block, stack, stf, mode_gp, NULL, 0, 0, true);
+	ld = new_bd_sparc_Ld_imm(dbgi, block, stack, stf, mode_gp, NULL, 0, true);
 	set_irn_pinned(ld, op_pin_state_floats);
+	result[0] = new_Proj(ld, mode_gp, pn_sparc_Ld_res);
+
+	if (bits == 64) {
+		ir_node *ld2 = new_bd_sparc_Ld_imm(dbgi, block, stack, stf, mode_gp,
+		                                   NULL, 4, true);
+		set_irn_pinned(ld, op_pin_state_floats);
+		result[1] = new_Proj(ld2, mode_gp, pn_sparc_Ld_res);
 
-	return new_Proj(ld, mode_fp, pn_sparc_Ld_res);
+		arch_irn_add_flags(ld, sparc_arch_irn_flag_needs_64bit_spillslot);
+		arch_irn_add_flags(ld2, sparc_arch_irn_flag_needs_64bit_spillslot);
+	} else {
+		assert(bits == 32);
+		result[1] = NULL;
+	}
 }
 
 static ir_node *gen_Call(ir_node *node)
@@ -1196,48 +1504,52 @@ static ir_node *gen_Call(ir_node *node)
 	for (p = 0; p < n_params; ++p) {
 		ir_node                  *value      = get_Call_param(node, p);
 		ir_node                  *new_value  = be_transform_node(value);
-		ir_node                  *new_value1 = NULL;
 		const reg_or_stackslot_t *param      = &cconv->parameters[p];
 		ir_type                  *param_type = get_method_param_type(type, p);
 		ir_mode                  *mode       = get_type_mode(param_type);
+		ir_node                  *new_values[2];
 		ir_node                  *str;
 
 		if (mode_is_float(mode) && param->reg0 != NULL) {
 			unsigned size_bits = get_mode_size_bits(mode);
-			assert(size_bits == 32);
-			new_value = bitcast_float_to_int(dbgi, new_block, new_value);
+			assert(size_bits <= 64);
+			bitcast_float_to_int(dbgi, new_block, new_value, mode, new_values);
+		} else {
+			new_values[0] = new_value;
+			new_values[1] = NULL;
 		}
 
 		/* put value into registers */
 		if (param->reg0 != NULL) {
-			in[in_arity]     = new_value;
+			in[in_arity]     = new_values[0];
 			in_req[in_arity] = param->reg0->single_req;
 			++in_arity;
-			if (new_value1 == NULL)
+			if (new_values[1] == NULL)
 				continue;
 		}
 		if (param->reg1 != NULL) {
-			assert(new_value1 != NULL);
-			in[in_arity]     = new_value1;
+			assert(new_values[1] != NULL);
+			in[in_arity]     = new_values[1];
 			in_req[in_arity] = param->reg1->single_req;
 			++in_arity;
 			continue;
 		}
 
 		/* we need a store if we're here */
-		if (new_value1 != NULL) {
-			new_value = new_value1;
+		if (new_values[1] != NULL) {
+			new_value = new_values[1];
 			mode      = mode_gp;
 		}
 
 		/* create a parameter frame if necessary */
 		if (mode_is_float(mode)) {
-			str = new_bd_sparc_Stf(dbgi, new_block, incsp, new_value, new_mem,
-			                       mode, NULL, 0, param->offset, true);
+			str = create_stf(dbgi, new_block, new_value, incsp, new_mem,
+			                 mode, NULL, param->offset, true);
 		} else {
-			str = new_bd_sparc_St(dbgi, new_block, incsp, new_value, new_mem,
-								  mode, NULL, 0, param->offset, true);
+			str = new_bd_sparc_St_imm(dbgi, new_block, new_value, incsp,
+			                          new_mem, mode, NULL, param->offset, true);
 		}
+		set_irn_pinned(str, op_pin_state_floats);
 		sync_ins[sync_arity++] = str;
 	}
 	assert(in_arity <= max_inputs);
@@ -1317,7 +1629,48 @@ static ir_node *gen_Sel(ir_node *node)
 	assert(get_entity_owner(entity) !=
 			get_method_value_param_type(get_entity_type(get_irg_entity(get_irn_irg(node)))));
 
-	return new_bd_sparc_FrameAddr(dbgi, new_block, new_ptr, entity);
+	return new_bd_sparc_FrameAddr(dbgi, new_block, new_ptr, entity, 0);
+}
+
+static const arch_register_req_t float1_req = {
+	arch_register_req_type_normal,
+	&sparc_reg_classes[CLASS_sparc_fp],
+	NULL,
+	0,
+	0,
+	1
+};
+static const arch_register_req_t float2_req = {
+	arch_register_req_type_normal | arch_register_req_type_aligned,
+	&sparc_reg_classes[CLASS_sparc_fp],
+	NULL,
+	0,
+	0,
+	2
+};
+static const arch_register_req_t float4_req = {
+	arch_register_req_type_normal | arch_register_req_type_aligned,
+	&sparc_reg_classes[CLASS_sparc_fp],
+	NULL,
+	0,
+	0,
+	4
+};
+
+
+static const arch_register_req_t *get_float_req(ir_mode *mode)
+{
+	unsigned bits = get_mode_size_bits(mode);
+
+	assert(mode_is_float(mode));
+	if (bits == 32) {
+		return &float1_req;
+	} else if (bits == 64) {
+		return &float2_req;
+	} else {
+		assert(bits == 128);
+		return &float4_req;
+	}
 }
 
 /**
@@ -1338,6 +1691,9 @@ static ir_node *gen_Phi(ir_node *node)
 		/* all integer operations are on 32bit registers now */
 		mode = mode_gp;
 		req  = sparc_reg_classes[CLASS_sparc_gp].class_req;
+	} else if (mode_is_float(mode)) {
+		mode = mode;
+		req  = get_float_req(mode);
 	} else {
 		req = arch_no_register_req;
 	}
@@ -1352,7 +1708,6 @@ static ir_node *gen_Phi(ir_node *node)
 	return phi;
 }
 
-
 /**
  * Transform a Proj from a Load.
  */
@@ -1361,23 +1716,53 @@ static ir_node *gen_Proj_Load(ir_node *node)
 	ir_node  *load     = get_Proj_pred(node);
 	ir_node  *new_load = be_transform_node(load);
 	dbg_info *dbgi     = get_irn_dbg_info(node);
-	long     proj      = get_Proj_proj(node);
+	long      pn       = get_Proj_proj(node);
 
 	/* renumber the proj */
 	switch (get_sparc_irn_opcode(new_load)) {
-		case iro_sparc_Ld:
-			/* handle all gp loads equal: they have the same proj numbers. */
-			if (proj == pn_Load_res) {
-				return new_rd_Proj(dbgi, new_load, mode_gp, pn_sparc_Ld_res);
-			} else if (proj == pn_Load_M) {
-				return new_rd_Proj(dbgi, new_load, mode_M, pn_sparc_Ld_M);
-			}
-			break;
-		default:
-			panic("Unsupported Proj from Load");
+	case iro_sparc_Ld:
+		/* handle all gp loads equal: they have the same proj numbers. */
+		if (pn == pn_Load_res) {
+			return new_rd_Proj(dbgi, new_load, mode_gp, pn_sparc_Ld_res);
+		} else if (pn == pn_Load_M) {
+			return new_rd_Proj(dbgi, new_load, mode_M, pn_sparc_Ld_M);
+		}
+		break;
+	case iro_sparc_Ldf:
+		if (pn == pn_Load_res) {
+			return new_rd_Proj(dbgi, new_load, mode_fp, pn_sparc_Ldf_res);
+		} else if (pn == pn_Load_M) {
+			return new_rd_Proj(dbgi, new_load, mode_M, pn_sparc_Ld_M);
+		}
+		break;
+	default:
+		break;
 	}
+	panic("Unsupported Proj from Load");
+}
 
-	return be_duplicate_node(node);
+static ir_node *gen_Proj_Store(ir_node *node)
+{
+	ir_node  *store     = get_Proj_pred(node);
+	ir_node  *new_store = be_transform_node(store);
+	long      pn        = get_Proj_proj(node);
+
+	/* renumber the proj */
+	switch (get_sparc_irn_opcode(new_store)) {
+	case iro_sparc_St:
+		if (pn == pn_Store_M) {
+			return new_store;
+		}
+		break;
+	case iro_sparc_Stf:
+		if (pn == pn_Store_M) {
+			return new_store;
+		}
+		break;
+	default:
+		break;
+	}
+	panic("Unsupported Proj from Store");
 }
 
 /**
@@ -1396,20 +1781,40 @@ static ir_node *gen_Proj_Div(ir_node *node)
 {
 	ir_node  *pred     = get_Proj_pred(node);
 	ir_node  *new_pred = be_transform_node(pred);
-	long     proj      = get_Proj_proj(node);
+	long      pn       = get_Proj_proj(node);
 
-	switch (proj) {
+	assert(is_sparc_SDiv(new_pred) || is_sparc_UDiv(new_pred));
+	assert(pn_sparc_SDiv_res == pn_sparc_UDiv_res);
+	assert(pn_sparc_SDiv_M == pn_sparc_UDiv_M);
+	switch (pn) {
 	case pn_Div_res:
-		if (is_sparc_Div(new_pred)) {
-			return new_r_Proj(new_pred, mode_gp, pn_sparc_Div_res);
-		}
-		break;
+		return new_r_Proj(new_pred, mode_gp, pn_sparc_SDiv_res);
+	case pn_Div_M:
+		return new_r_Proj(new_pred, mode_gp, pn_sparc_SDiv_M);
 	default:
 		break;
 	}
 	panic("Unsupported Proj from Div");
 }
 
+static ir_node *gen_Proj_Quot(ir_node *node)
+{
+	ir_node  *pred     = get_Proj_pred(node);
+	ir_node  *new_pred = be_transform_node(pred);
+	long      pn       = get_Proj_proj(node);
+
+	assert(is_sparc_fdiv(new_pred));
+	switch (pn) {
+	case pn_Quot_res:
+		return new_r_Proj(new_pred, mode_gp, pn_sparc_fdiv_res);
+	case pn_Quot_M:
+		return new_r_Proj(new_pred, mode_gp, pn_sparc_fdiv_M);
+	default:
+		break;
+	}
+	panic("Unsupported Proj from Quot");
+}
+
 static ir_node *gen_Proj_Start(ir_node *node)
 {
 	ir_node *block     = get_nodes_block(node);
@@ -1457,8 +1862,21 @@ static ir_node *gen_Proj_Proj_Start(ir_node *node)
 		ir_node               *value = be_prolog_get_reg_value(abihelper, reg);
 
 		if (mode_is_float(mode)) {
+			ir_node *value1 = NULL;
+
+			if (param->reg1 != NULL) {
+				value1 = be_prolog_get_reg_value(abihelper, param->reg1);
+			} else if (param->entity != NULL) {
+				ir_node *fp  = be_prolog_get_reg_value(abihelper, fp_reg);
+				ir_node *mem = be_prolog_get_memory(abihelper);
+				ir_node *ld  = new_bd_sparc_Ld_imm(NULL, new_block, fp, mem,
+				                                   mode_gp, param->entity,
+				                                   0, true);
+				value1 = new_Proj(ld, mode_gp, pn_sparc_Ld_res);
+			}
+
 			/* convert integer value to float */
-			value = bitcast_int_to_float(NULL, new_block, value);
+			value = bitcast_int_to_float(NULL, new_block, value, value1);
 		}
 		return value;
 	} else {
@@ -1470,12 +1888,12 @@ static ir_node *gen_Proj_Proj_Start(ir_node *node)
 		ir_node  *value;
 
 		if (mode_is_float(mode)) {
-			load  = new_bd_sparc_Ldf(NULL, new_block, fp, mem, mode,
-			                         param->entity, 0, 0, true);
+			load  = create_ldf(NULL, new_block, fp, mem, mode,
+			                   param->entity, 0, true);
 			value = new_r_Proj(load, mode_fp, pn_sparc_Ldf_res);
 		} else {
-			load  = new_bd_sparc_Ld(NULL, new_block, fp, mem, mode,
-			                        param->entity, 0, 0, true);
+			load  = new_bd_sparc_Ld_imm(NULL, new_block, fp, mem, mode,
+			                            param->entity, 0, true);
 			value = new_r_Proj(load, mode_gp, pn_sparc_Ld_res);
 		}
 		set_irn_pinned(load, op_pin_state_floats);
@@ -1551,16 +1969,10 @@ static ir_node *gen_Proj_Proj_Call(ir_node *node)
 static ir_node *gen_Proj(ir_node *node)
 {
 	ir_node *pred = get_Proj_pred(node);
-	long     pn   = get_Proj_proj(node);
 
 	switch (get_irn_opcode(pred)) {
 	case iro_Store:
-		if (pn == pn_Store_M) {
-			return be_transform_node(pred);
-		} else {
-			panic("Unsupported Proj from Store");
-		}
-		break;
+		return gen_Proj_Store(node);
 	case iro_Load:
 		return gen_Proj_Load(node);
 	case iro_Call:
@@ -1571,6 +1983,8 @@ static ir_node *gen_Proj(ir_node *node)
 		return be_duplicate_node(node);
 	case iro_Div:
 		return gen_Proj_Div(node);
+	case iro_Quot:
+		return gen_Proj_Quot(node);
 	case iro_Start:
 		return gen_Proj_Start(node);
 	case iro_Proj: {
@@ -1587,7 +2001,6 @@ static ir_node *gen_Proj(ir_node *node)
 	}
 }
 
-
 /**
  * transform a Jmp
  */
@@ -1607,14 +2020,8 @@ void sparc_register_transformers(void)
 {
 	be_start_transform_setup();
 
-	be_set_transform_function(op_Abs,          gen_Abs);
 	be_set_transform_function(op_Add,          gen_Add);
 	be_set_transform_function(op_And,          gen_And);
-	be_set_transform_function(op_be_AddSP,     gen_be_AddSP);
-	be_set_transform_function(op_be_Call,      gen_be_Call);
-	be_set_transform_function(op_be_Copy,      gen_be_Copy);
-	be_set_transform_function(op_be_FrameAddr, gen_be_FrameAddr);
-	be_set_transform_function(op_be_SubSP,     gen_be_SubSP);
 	be_set_transform_function(op_Call,         gen_Call);
 	be_set_transform_function(op_Cmp,          gen_Cmp);
 	be_set_transform_function(op_Cond,         gen_Cond);
@@ -1631,6 +2038,7 @@ void sparc_register_transformers(void)
 	be_set_transform_function(op_Or,           gen_Or);
 	be_set_transform_function(op_Phi,          gen_Phi);
 	be_set_transform_function(op_Proj,         gen_Proj);
+	be_set_transform_function(op_Quot,         gen_Quot);
 	be_set_transform_function(op_Return,       gen_Return);
 	be_set_transform_function(op_Sel,          gen_Sel);
 	be_set_transform_function(op_Shl,          gen_Shl);
@@ -1680,8 +2088,10 @@ void sparc_transform_graph(sparc_code_gen_t *cg)
 
 	node_to_stack = pmap_create();
 
-	mode_gp = mode_Iu;
-	mode_fp = mode_F;
+	mode_gp  = mode_Iu;
+	mode_fp  = mode_F;
+	mode_fp2 = mode_D;
+	//mode_fp4 = ?
 
 	abihelper = be_abihelper_prepare(irg);
 	be_collect_stacknodes(abihelper);
@@ -1702,6 +2112,9 @@ void sparc_transform_graph(sparc_code_gen_t *cg)
 	node_to_stack = NULL;
 
 	be_add_missing_keeps(irg);
+
+	/* do code placement, to optimize the position of constants */
+	place_code(cg->irg);
 }
 
 void sparc_init_transform(void)