X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fsparc%2Fsparc_emitter.c;h=07eef6137e5e6d277a69580e5753c5526c247b7c;hb=1b63e1946e0e454a59ddc6eb7df8fe3bc372a10e;hp=fcab9f0461f66e8c05fdc2519833c106f38fe224;hpb=65a52a96e8ab7ed601d7f98c516d37c46b674b4a;p=libfirm

diff --git a/ir/be/sparc/sparc_emitter.c b/ir/be/sparc/sparc_emitter.c
index fcab9f046..07eef6137 100644
--- a/ir/be/sparc/sparc_emitter.c
+++ b/ir/be/sparc/sparc_emitter.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2010 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -51,17 +51,10 @@
 #include "gen_sparc_emitter.h"
 #include "sparc_nodes_attr.h"
 #include "sparc_new_nodes.h"
+#include "gen_sparc_regalloc_if.h"
 
-#define SNPRINTF_BUF_LEN 128
 DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
 
-/**
- * attribute of SAVE node which follows immediatelly after the START node
- * we need this to correct all offsets since SPARC expects
- * some reserved stack space after the stackpointer
- */
-const sparc_save_attr_t *save_attr;
-
 /**
  * Returns the register at in position pos.
  */
@@ -116,25 +109,46 @@ static const arch_register_t *get_out_reg(const ir_node *node, int pos)
 	return reg;
 }
 
-/*************************************************************
- *             _       _    __   _          _
- *            (_)     | |  / _| | |        | |
- *  _ __  _ __ _ _ __ | |_| |_  | |__   ___| |_ __   ___ _ __
- * | '_ \| '__| | '_ \| __|  _| | '_ \ / _ \ | '_ \ / _ \ '__|
- * | |_) | |  | | | | | |_| |   | | | |  __/ | |_) |  __/ |
- * | .__/|_|  |_|_| |_|\__|_|   |_| |_|\___|_| .__/ \___|_|
- * | |                                       | |
- * |_|                                       |_|
- *************************************************************/
+static bool is_valid_immediate(int32_t value)
+{
+	return -4096 <= value && value < 4096;
+}
 
 void sparc_emit_immediate(const ir_node *node)
 {
-	// TODO: make sure it's a valid simm13 ?
-	const sparc_attr_t *attr = get_sparc_attr_const(node);
+	const sparc_attr_t *attr   = get_sparc_attr_const(node);
+	ir_entity          *entity = attr->immediate_value_entity;
 
-	assert(!(attr->immediate_value < -4096 || attr->immediate_value > 4096));
+	if (entity == NULL) {
+		int32_t value = attr->immediate_value;
+		assert(is_valid_immediate(value));
+		be_emit_irprintf("%d", value);
+	} else {
+		be_emit_cstring("%lo(");
+		be_gas_emit_entity(entity);
+		if (attr->immediate_value != 0) {
+			be_emit_irprintf("%+d", attr->immediate_value);
+		}
+		be_emit_char(')');
+	}
+}
 
-	be_emit_irprintf("%d", attr->immediate_value);
+void sparc_emit_high_immediate(const ir_node *node)
+{
+	const sparc_attr_t *attr   = get_sparc_attr_const(node);
+	ir_entity          *entity = attr->immediate_value_entity;
+
+	be_emit_cstring("%hi(");
+	if (entity == NULL) {
+		uint32_t value = (uint32_t) attr->immediate_value;
+		be_emit_irprintf("0x%X", value);
+	} else {
+		be_gas_emit_entity(entity);
+		if (attr->immediate_value != 0) {
+			be_emit_irprintf("%+d", attr->immediate_value);
+		}
+	}
+	be_emit_char(')');
 }
 
 void sparc_emit_source_register(const ir_node *node, int pos)
@@ -167,18 +181,58 @@ void sparc_emit_reg_or_imm(const ir_node *node, int pos)
 	}
 }
 
+static bool is_stack_pointer_relative(const ir_node *node)
+{
+	const arch_register_t *sp = &sparc_gp_regs[REG_SP];
+	return (is_sparc_St(node) && get_in_reg(node, n_sparc_St_ptr) == sp)
+	    || (is_sparc_Ld(node) && get_in_reg(node, n_sparc_Ld_ptr) == sp);
+}
+
 /**
  * emit SP offset
  */
-void sparc_emit_offset(const ir_node *node)
+void sparc_emit_offset(const ir_node *node, int offset_node_pos)
 {
 	const sparc_load_store_attr_t *attr = get_sparc_load_store_attr_const(node);
-	assert(attr->base.is_load_store);
 
-	if (attr->offset > 0)
-		be_emit_irprintf("+%ld", attr->offset);
+	if (attr->is_reg_reg) {
+		assert(!attr->is_frame_entity);
+		assert(attr->base.immediate_value == 0);
+		assert(attr->base.immediate_value_entity == NULL);
+		be_emit_char('+');
+		sparc_emit_source_register(node, offset_node_pos);
+	} else if (attr->is_frame_entity) {
+		int32_t offset = attr->base.immediate_value;
+		/* bad hack: the real stack stuff is behind the always-there spill
+		 * space for the register window and stack */
+		if (is_stack_pointer_relative(node))
+			offset += SPARC_MIN_STACKSIZE;
+		if (offset != 0) {
+			assert(is_valid_immediate(offset));
+			be_emit_irprintf("%+ld", offset);
+		}
+	} else if (attr->base.immediate_value != 0
+			|| attr->base.immediate_value_entity != NULL) {
+		be_emit_char('+');
+		sparc_emit_immediate(node);
+	}
 }
 
+void sparc_emit_float_load_store_mode(const ir_node *node)
+{
+	const sparc_load_store_attr_t *attr = get_sparc_load_store_attr_const(node);
+	ir_mode *mode = attr->load_store_mode;
+	int      bits = get_mode_size_bits(mode);
+
+	assert(mode_is_float(mode));
+
+	switch (bits) {
+	case 32:  return;
+	case 64:  be_emit_char('d'); return;
+	case 128: be_emit_char('q'); return;
+	}
+	panic("invalid flaot load/store mode %+F", mode);
+}
 
 /**
  *  Emit load mode char
@@ -186,19 +240,19 @@ void sparc_emit_offset(const ir_node *node)
 void sparc_emit_load_mode(const ir_node *node)
 {
 	const sparc_load_store_attr_t *attr = get_sparc_load_store_attr_const(node);
-    ir_mode *mode      = attr->load_store_mode;
-    int      bits      = get_mode_size_bits(mode);
-    bool     is_signed = mode_is_signed(mode);
-
-    if (bits == 16) {
-        be_emit_string(is_signed ? "sh" : "uh");
-    } else if (bits == 8) {
-        be_emit_string(is_signed ? "sb" : "ub");
-    } else if (bits == 64) {
-        be_emit_string("d");
-    } else {
-        assert(bits == 32);
-    }
+	ir_mode *mode      = attr->load_store_mode;
+	int      bits      = get_mode_size_bits(mode);
+	bool     is_signed = mode_is_signed(mode);
+
+	if (bits == 16) {
+		be_emit_string(is_signed ? "sh" : "uh");
+	} else if (bits == 8) {
+		be_emit_string(is_signed ? "sb" : "ub");
+	} else if (bits == 64) {
+		be_emit_char('d');
+	} else {
+		assert(bits == 32);
+	}
 }
 
 /**
@@ -207,18 +261,70 @@ void sparc_emit_load_mode(const ir_node *node)
 void sparc_emit_store_mode(const ir_node *node)
 {
 	const sparc_load_store_attr_t *attr = get_sparc_load_store_attr_const(node);
-    ir_mode *mode      = attr->load_store_mode;
-    int      bits      = get_mode_size_bits(mode);
+	ir_mode *mode      = attr->load_store_mode;
+	int      bits      = get_mode_size_bits(mode);
+
+	if (bits == 16) {
+		be_emit_string("h");
+	} else if (bits == 8) {
+		be_emit_string("b");
+	} else if (bits == 64) {
+		be_emit_char('d');
+	} else {
+		assert(bits == 32);
+	}
+}
+
+/**
+ * emit integer signed/unsigned prefix char
+ */
+void sparc_emit_mode_sign_prefix(const ir_node *node)
+{
+	ir_mode *mode      = get_irn_mode(node);
+	bool     is_signed = mode_is_signed(mode);
+	be_emit_string(is_signed ? "s" : "u");
+}
+
+static void emit_fp_suffix(const ir_mode *mode)
+{
+	unsigned bits = get_mode_size_bits(mode);
+	assert(mode_is_float(mode));
+
+	if (bits == 32) {
+		be_emit_char('s');
+	} else if (bits == 64) {
+		be_emit_char('d');
+	} else if (bits == 128) {
+		be_emit_char('q');
+	} else {
+		panic("invalid FP mode");
+	}
+}
 
-    if (bits == 16) {
-        be_emit_string("h");
-    } else if (bits == 8) {
-        be_emit_string("b");
-    } else if (bits == 64) {
-        be_emit_string("d");
-    } else {
-        assert(bits == 32);
-    }
+void sparc_emit_fp_conv_source(const ir_node *node)
+{
+	const sparc_fp_conv_attr_t *attr = get_sparc_fp_conv_attr_const(node);
+	emit_fp_suffix(attr->src_mode);
+}
+
+void sparc_emit_fp_conv_destination(const ir_node *node)
+{
+	const sparc_fp_conv_attr_t *attr = get_sparc_fp_conv_attr_const(node);
+	emit_fp_suffix(attr->dest_mode);
+}
+
+/**
+ * emits the FP mode suffix char
+ */
+void sparc_emit_fp_mode_suffix(const ir_node *node)
+{
+	const sparc_fp_attr_t *attr = get_sparc_fp_attr_const(node);
+	emit_fp_suffix(attr->fp_mode);
+}
+
+static ir_node *get_jump_target(const ir_node *jump)
+{
+	return get_irn_link(jump);
 }
 
 /**
@@ -226,7 +332,7 @@ void sparc_emit_store_mode(const ir_node *node)
  */
 static void sparc_emit_cfop_target(const ir_node *node)
 {
-	ir_node *block = get_irn_link(node);
+	ir_node *block = get_jump_target(node);
 	be_gas_emit_block_name(block);
 }
 
@@ -238,17 +344,6 @@ static void sparc_emit_entity(ir_entity *entity)
 	be_gas_emit_entity(entity);
 }
 
-/***********************************************************************************
- *                  _          __                                             _
- *                 (_)        / _|                                           | |
- *  _ __ ___   __ _ _ _ __   | |_ _ __ __ _ _ __ ___   _____      _____  _ __| | __
- * | '_ ` _ \ / _` | | '_ \  |  _| '__/ _` | '_ ` _ \ / _ \ \ /\ / / _ \| '__| |/ /
- * | | | | | | (_| | | | | | | | | | | (_| | | | | | |  __/\ V  V / (_) | |  |   <
- * |_| |_| |_|\__,_|_|_| |_| |_| |_|  \__,_|_| |_| |_|\___| \_/\_/ \___/|_|  |_|\_\
- *
- ***********************************************************************************/
-
-
 /**
  * Emits code for stack space management
  */
@@ -275,12 +370,11 @@ static void emit_be_IncSP(const ir_node *irn)
 }
 
 /**
- * emits code for save instruction
- * and sets the current save_attr pointer
+ * emits code for save instruction with min. required stack space
  */
 static void emit_sparc_Save(const ir_node *irn)
 {
-	save_attr = get_sparc_save_attr_const(irn);
+	const sparc_save_attr_t *save_attr = get_sparc_save_attr_const(irn);
 	be_emit_cstring("\tsave ");
 	sparc_emit_source_register(irn, 0);
 	be_emit_irprintf(", %d, ", -save_attr->initial_stacksize);
@@ -289,30 +383,67 @@ static void emit_sparc_Save(const ir_node *irn)
 }
 
 /**
- * emits code to load hi 22 bit of a constant
+ * emits code for mulh
  */
-static void emit_sparc_HiImm(const ir_node *irn)
+static void emit_sparc_Mulh(const ir_node *irn)
 {
-	const sparc_attr_t *attr = get_sparc_attr_const(irn);
-	be_emit_cstring("\tsethi ");
-	be_emit_irprintf("%%hi(%d), ", attr->immediate_value);
+	be_emit_cstring("\t");
+	sparc_emit_mode_sign_prefix(irn);
+	be_emit_cstring("mul ");
+
+	sparc_emit_source_register(irn, 0);
+	be_emit_cstring(", ");
+	sparc_emit_reg_or_imm(irn, 1);
+	be_emit_cstring(", ");
 	sparc_emit_dest_register(irn, 0);
 	be_emit_finish_line_gas(irn);
-}
 
-/**
- * emits code to load lo 10bits of a constant
- */
-static void emit_sparc_LoImm(const ir_node *irn)
-{
-	const sparc_attr_t *attr = get_sparc_attr_const(irn);
-	be_emit_cstring("\tor ");
-	sparc_emit_source_register(irn, 0);
-	be_emit_irprintf(", %%lo(%d), ", attr->immediate_value);
+	// our result is in the y register now
+	// we just copy it to the assigned target reg
+	be_emit_cstring("\tmov %y, ");
 	sparc_emit_dest_register(irn, 0);
 	be_emit_finish_line_gas(irn);
 }
 
+static void fill_delay_slot(void)
+{
+	be_emit_cstring("\tnop\n");
+	be_emit_write_line();
+}
+
+static void emit_sparc_Div(const ir_node *node, bool is_signed)
+{
+	/* can we get the delay count of the wr instruction somewhere? */
+	unsigned wry_delay_count = 3;
+	unsigned i;
+
+	be_emit_cstring("\twr ");
+	sparc_emit_source_register(node, 0);
+	be_emit_cstring(", 0, %y");
+	be_emit_finish_line_gas(node);
+
+	for (i = 0; i < wry_delay_count; ++i) {
+		fill_delay_slot();
+	}
+
+	be_emit_irprintf("\t%s ", is_signed ? "sdiv" : "udiv");
+	sparc_emit_source_register(node, 1);
+	be_emit_cstring(", ");
+	sparc_emit_reg_or_imm(node, 2);
+	be_emit_cstring(", ");
+	sparc_emit_dest_register(node, 0);
+	be_emit_finish_line_gas(node);
+}
+
+static void emit_sparc_SDiv(const ir_node *node)
+{
+	emit_sparc_Div(node, true);
+}
+
+static void emit_sparc_UDiv(const ir_node *node)
+{
+	emit_sparc_Div(node, false);
+}
 
 /**
  * Emits code for return node
@@ -329,28 +460,29 @@ static void emit_be_Return(const ir_node *irn)
 /**
  * Emits code for Call node
  */
-static void emit_be_Call(const ir_node *irn)
+static void emit_sparc_Call(const ir_node *node)
 {
-	ir_entity *entity = be_Call_get_entity(irn);
+	const sparc_attr_t *attr   = get_sparc_attr_const(node);
+	ir_entity          *entity = attr->immediate_value_entity;
 
+	be_emit_cstring("\tcall ");
 	if (entity != NULL) {
-		be_emit_cstring("\tcall ");
 	    sparc_emit_entity(entity);
+	    if (attr->immediate_value != 0) {
+			be_emit_irprintf("%+d", attr->immediate_value);
+		}
 		be_emit_cstring(", 0");
-		be_emit_finish_line_gas(irn);
-		be_emit_cstring("\tnop");
-		be_emit_pad_comment();
-		be_emit_cstring("/* TODO: use delay slot */\n");
 	} else {
-		be_emit_cstring("\tnop\n");
-		be_emit_pad_comment();
-		be_emit_cstring("/* TODO: Entity == NULL */\n");
-		be_emit_finish_line_gas(irn);
+		int last = get_irn_arity(node);
+		sparc_emit_source_register(node, last-1);
 	}
+	be_emit_finish_line_gas(node);
+
+	fill_delay_slot();
 }
 
 /**
- * TODO: check if this is correct
+ * Emit code for Perm node
  */
 static void emit_be_Perm(const ir_node *irn)
 {
@@ -380,77 +512,160 @@ static void emit_be_Perm(const ir_node *irn)
 }
 
 /**
- * Emit a SymConst.
+ * TODO: not really tested but seems to work with memperm_arity == 1
  */
-static void emit_sparc_SymConst(const ir_node *irn)
+static void emit_be_MemPerm(const ir_node *node)
 {
-	const sparc_symconst_attr_t *attr = get_sparc_symconst_attr_const(irn);
+	int i;
+	int memperm_arity;
+	int sp_change = 0;
+	ir_graph          *irg    = get_irn_irg(node);
+	be_stack_layout_t *layout = be_get_irg_stack_layout(irg);
 
-	//sethi %hi(const32),%reg
-	//or    %reg,%lo(const32),%reg
+	/* this implementation only works with frame pointers currently */
+	assert(layout->sp_relative == false);
 
-	be_emit_cstring("\tsethi %hi(");
-	be_gas_emit_entity(attr->entity);
-	be_emit_cstring("), ");
-	sparc_emit_dest_register(irn, 0);
-	be_emit_cstring("\n ");
+	/* TODO: this implementation is slower than necessary.
+	   The longterm goal is however to avoid the memperm node completely */
 
-	// TODO: could be combined with the following load/store instruction
-	be_emit_cstring("\tor ");
-	sparc_emit_dest_register(irn, 0);
-	be_emit_cstring(", %lo(");
-	be_gas_emit_entity(attr->entity);
-	be_emit_cstring("), ");
-	sparc_emit_dest_register(irn, 0);
-	be_emit_finish_line_gas(irn);
-}
+	memperm_arity = be_get_MemPerm_entity_arity(node);
+	// we use our local registers - so this is limited to 8 inputs !
+	if (memperm_arity > 8)
+		panic("memperm with more than 8 inputs not supported yet");
+
+	be_emit_irprintf("\tsub %%sp, %d, %%sp", memperm_arity*4);
+	be_emit_finish_line_gas(node);
 
+	for (i = 0; i < memperm_arity; ++i) {
+		ir_entity *entity = be_get_MemPerm_in_entity(node, i);
+		int        offset = be_get_stack_entity_offset(layout, entity, 0);
+
+		/* spill register */
+		be_emit_irprintf("\tst %%l%d, [%%sp%+d]", i, sp_change + SPARC_MIN_STACKSIZE);
+		be_emit_finish_line_gas(node);
+
+		/* load from entity */
+		be_emit_irprintf("\tld [%%fp%+d], %%l%d", offset, i);
+		be_emit_finish_line_gas(node);
+		sp_change += 4;
+	}
+
+	for (i = memperm_arity-1; i >= 0; --i) {
+		ir_entity *entity = be_get_MemPerm_out_entity(node, i);
+		int        offset = be_get_stack_entity_offset(layout, entity, 0);
+
+		sp_change -= 4;
+
+		/* store to new entity */
+		be_emit_irprintf("\tst %%l%d, [%%fp%+d]", i, offset);
+		be_emit_finish_line_gas(node);
+		/* restore register */
+		be_emit_irprintf("\tld [%%sp%+d], %%l%d", sp_change + SPARC_MIN_STACKSIZE, i);
+		be_emit_finish_line_gas(node);
+	}
+
+	be_emit_irprintf("\tadd %%sp, %d, %%sp", memperm_arity*4);
+	be_emit_finish_line_gas(node);
+
+	assert(sp_change == 0);
+}
 
 /**
  * Emits code for FrameAddr fix
  */
-static void emit_sparc_FrameAddr(const ir_node *irn)
+static void emit_sparc_FrameAddr(const ir_node *node)
 {
-	const sparc_symconst_attr_t *attr = get_irn_generic_attr_const(irn);
+	const sparc_attr_t *attr = get_sparc_attr_const(node);
 
 	// no need to fix offset as we are adressing via the framepointer
-	if (attr->fp_offset >= 0) {
+	if (attr->immediate_value >= 0) {
 		be_emit_cstring("\tadd ");
-		sparc_emit_source_register(irn, 0);
+		sparc_emit_source_register(node, 0);
 		be_emit_cstring(", ");
-		be_emit_irprintf("%ld", attr->fp_offset + save_attr->initial_stacksize);
+		be_emit_irprintf("%ld", attr->immediate_value);
 	} else {
 		be_emit_cstring("\tsub ");
-		sparc_emit_source_register(irn, 0);
+		sparc_emit_source_register(node, 0);
 		be_emit_cstring(", ");
-		be_emit_irprintf("%ld", -attr->fp_offset);
+		be_emit_irprintf("%ld", -attr->immediate_value);
 	}
 
 	be_emit_cstring(", ");
-	sparc_emit_dest_register(irn, 0);
-	be_emit_finish_line_gas(irn);
+	sparc_emit_dest_register(node, 0);
+	be_emit_finish_line_gas(node);
 }
 
+static const char *get_icc_unsigned(pn_Cmp pnc)
+{
+	switch (pnc) {
+	case pn_Cmp_False: return "bn";
+	case pn_Cmp_Eq:    return "be";
+	case pn_Cmp_Lt:    return "blu";
+	case pn_Cmp_Le:    return "bleu";
+	case pn_Cmp_Gt:    return "bgu";
+	case pn_Cmp_Ge:    return "bgeu";
+	case pn_Cmp_Lg:    return "bne";
+	case pn_Cmp_Leg:   return "ba";
+	default: panic("Cmp has unsupported pnc");
+	}
+}
+
+static const char *get_icc_signed(pn_Cmp pnc)
+{
+	switch (pnc) {
+	case pn_Cmp_False: return "bn";
+	case pn_Cmp_Eq:    return "be";
+	case pn_Cmp_Lt:    return "bl";
+	case pn_Cmp_Le:    return "ble";
+	case pn_Cmp_Gt:    return "bg";
+	case pn_Cmp_Ge:    return "bge";
+	case pn_Cmp_Lg:    return "bne";
+	case pn_Cmp_Leg:   return "ba";
+	default: panic("Cmp has unsupported pnc");
+	}
+}
+
+static const char *get_fcc(pn_Cmp pnc)
+{
+	switch (pnc) {
+	case pn_Cmp_False: return "fbn";
+	case pn_Cmp_Eq:    return "fbe";
+	case pn_Cmp_Lt:    return "fbl";
+	case pn_Cmp_Le:    return "fble";
+	case pn_Cmp_Gt:    return "fbg";
+	case pn_Cmp_Ge:    return "fbge";
+	case pn_Cmp_Lg:    return "fblg";
+	case pn_Cmp_Leg:   return "fbo";
+	case pn_Cmp_Uo:    return "fbu";
+	case pn_Cmp_Ue:    return "fbue";
+	case pn_Cmp_Ul:    return "fbul";
+	case pn_Cmp_Ule:   return "fbule";
+	case pn_Cmp_Ug:    return "fbug";
+	case pn_Cmp_Uge:   return "fbuge";
+	case pn_Cmp_Ne:    return "fbne";
+	case pn_Cmp_True:  return "fba";
+	case pn_Cmp_max:
+		break;
+	}
+	panic("invalid pnc");
+}
+
+typedef const char* (*get_cc_func)(pn_Cmp pnc);
 
 /**
  * Emits code for Branch
  */
-static void emit_sparc_Branch(const ir_node *irn)
+static void emit_sparc_branch(const ir_node *node, get_cc_func get_cc)
 {
+	const sparc_jmp_cond_attr_t *attr = get_sparc_jmp_cond_attr_const(node);
+	pn_Cmp           pnc         = attr->pnc;
+	const ir_node   *proj_true   = NULL;
+	const ir_node   *proj_false  = NULL;
 	const ir_edge_t *edge;
-	const ir_node *proj_true  = NULL;
-	const ir_node *proj_false = NULL;
-	const ir_node *block;
-	const ir_node *next_block;
-	ir_node *op1 = get_irn_n(irn, 0);
-	const char *suffix;
-	int proj_num = get_sparc_jmp_cond_proj_num(irn);
-	const sparc_cmp_attr_t *cmp_attr = get_irn_generic_attr_const(op1);
-	// bool is_signed = !cmp_attr->is_unsigned;
-
-	assert(is_sparc_Cmp(op1) || is_sparc_Tst(op1));
-
-	foreach_out_edge(irn, edge) {
+	const ir_node   *block;
+	const ir_node   *next_block;
+
+	foreach_out_edge(node, edge) {
 		ir_node *proj = get_edge_src_irn(edge);
 		long nr = get_Proj_proj(proj);
 		if (nr == pn_Cond_true) {
@@ -460,51 +675,36 @@ static void emit_sparc_Branch(const ir_node *irn)
 		}
 	}
 
-	if (cmp_attr->ins_permuted) {
-		proj_num = get_mirrored_pnc(proj_num);
-	}
-
 	/* for now, the code works for scheduled and non-schedules blocks */
-	block = get_nodes_block(irn);
+	block = get_nodes_block(node);
 
 	/* we have a block schedule */
 	next_block = get_irn_link(block);
 
-	assert(proj_num != pn_Cmp_False);
-	assert(proj_num != pn_Cmp_True);
-
 	if (get_irn_link(proj_true) == next_block) {
 		/* exchange both proj's so the second one can be omitted */
 		const ir_node *t = proj_true;
 
 		proj_true  = proj_false;
 		proj_false = t;
-		proj_num   = get_negated_pnc(proj_num, mode_Iu);
-	}
-
-
-	switch (proj_num) {
-		case pn_Cmp_Eq:  suffix = "e"; break;
-		case pn_Cmp_Lt:  suffix = "l"; break;
-		case pn_Cmp_Le:  suffix = "le"; break;
-		case pn_Cmp_Gt:  suffix = "g"; break;
-		case pn_Cmp_Ge:  suffix = "ge"; break;
-		case pn_Cmp_Lg:  suffix = "ne"; break;
-		case pn_Cmp_Leg: suffix = "a"; break;
-		default: panic("Cmp has unsupported pnc");
+		if (is_sparc_fbfcc(node)) {
+			pnc = get_negated_pnc(pnc, mode_F);
+		} else {
+			pnc = get_negated_pnc(pnc, mode_Iu);
+		}
 	}
 
 	/* emit the true proj */
-	be_emit_irprintf("\tb%s ", suffix);
+	be_emit_cstring("\t");
+	be_emit_string(get_cc(pnc));
+	be_emit_char(' ');
 	sparc_emit_cfop_target(proj_true);
 	be_emit_finish_line_gas(proj_true);
 
-	be_emit_cstring("\tnop");
-	be_emit_pad_comment();
-	be_emit_cstring("/* TODO: use delay slot */\n");
+	fill_delay_slot();
 
 	if (get_irn_link(proj_false) == next_block) {
-		be_emit_cstring("\t/* false-fallthrough to ");
+		be_emit_cstring("\t/* fallthrough to ");
 		sparc_emit_cfop_target(proj_false);
 		be_emit_cstring(" */");
 		be_emit_finish_line_gas(proj_false);
@@ -512,15 +712,26 @@ static void emit_sparc_Branch(const ir_node *irn)
 		be_emit_cstring("\tba ");
 		sparc_emit_cfop_target(proj_false);
 		be_emit_finish_line_gas(proj_false);
-		be_emit_cstring("\tnop\t\t/* TODO: use delay slot */\n");
-		be_emit_finish_line_gas(proj_false);
+		fill_delay_slot();
 	}
 }
 
+static void emit_sparc_Bicc(const ir_node *node)
+{
+	const sparc_jmp_cond_attr_t *attr = get_sparc_jmp_cond_attr_const(node);
+	bool             is_unsigned = attr->is_unsigned;
+	emit_sparc_branch(node, is_unsigned ? get_icc_unsigned : get_icc_signed);
+}
+
+static void emit_sparc_fbfcc(const ir_node *node)
+{
+	emit_sparc_branch(node, get_fcc);
+}
+
 /**
  * emit Jmp (which actually is a branch always (ba) instruction)
  */
-static void emit_sparc_Jmp(const ir_node *node)
+static void emit_sparc_Ba(const ir_node *node)
 {
 	ir_node *block, *next_block;
 
@@ -533,7 +744,7 @@ static void emit_sparc_Jmp(const ir_node *node)
 		be_emit_cstring("\tba ");
 		sparc_emit_cfop_target(node);
 		be_emit_finish_line_gas(node);
-		be_emit_cstring("\tnop\t\t/* TODO: use delay slot */\n");
+		fill_delay_slot();
 	} else {
 		be_emit_cstring("\t/* fallthrough to ");
 		sparc_emit_cfop_target(node);
@@ -542,28 +753,124 @@ static void emit_sparc_Jmp(const ir_node *node)
 	be_emit_finish_line_gas(node);
 }
 
+static void emit_jump_table(const ir_node *node)
+{
+	const sparc_switch_jmp_attr_t *attr = get_sparc_switch_jmp_attr_const(node);
+	long             switch_min    = LONG_MAX;
+	long             switch_max    = LONG_MIN;
+	long             default_pn    = attr->default_proj_num;
+	ir_entity       *entity        = attr->jump_table;
+	ir_node         *default_block = NULL;
+	unsigned         length;
+	const ir_edge_t *edge;
+	unsigned         i;
+	ir_node        **table;
+
+	/* go over all proj's and collect them */
+	foreach_out_edge(node, edge) {
+		ir_node *proj = get_edge_src_irn(edge);
+		long     pn   = get_Proj_proj(proj);
+
+		/* check for default proj */
+		if (pn == default_pn) {
+			assert(default_block == NULL); /* more than 1 default_pn? */
+			default_block = get_jump_target(proj);
+		} else {
+			switch_min = pn < switch_min ? pn : switch_min;
+			switch_max = pn > switch_max ? pn : switch_max;
+		}
+	}
+	length = (unsigned long) (switch_max - switch_min) + 1;
+	assert(switch_min < LONG_MAX || switch_max > LONG_MIN);
+
+	table = XMALLOCNZ(ir_node*, length);
+	foreach_out_edge(node, edge) {
+		ir_node *proj = get_edge_src_irn(edge);
+		long     pn   = get_Proj_proj(proj);
+		if (pn == default_pn)
+			continue;
+
+		table[pn - switch_min] = get_jump_target(proj);
+	}
+
+	/* emit table */
+	be_gas_emit_switch_section(GAS_SECTION_RODATA);
+	be_emit_cstring("\t.align 4\n");
+	be_gas_emit_entity(entity);
+	be_emit_cstring(":\n");
+	for (i = 0; i < length; ++i) {
+		ir_node *block = table[i];
+		if (block == NULL)
+			block = default_block;
+		be_emit_cstring("\t.long ");
+		be_gas_emit_block_name(block);
+		be_emit_char('\n');
+		be_emit_write_line();
+	}
+	be_gas_emit_switch_section(GAS_SECTION_TEXT);
+
+	xfree(table);
+}
+
+static void emit_sparc_SwitchJmp(const ir_node *node)
+{
+	be_emit_cstring("\tjmp ");
+	sparc_emit_source_register(node, 0);
+	be_emit_finish_line_gas(node);
+	fill_delay_slot();
+
+	emit_jump_table(node);
+}
+
+static void emit_fmov(const ir_node *node, const arch_register_t *src_reg,
+                      const arch_register_t *dst_reg)
+{
+	be_emit_cstring("\tfmov ");
+	be_emit_string(arch_register_get_name(src_reg));
+	be_emit_cstring(", ");
+	be_emit_string(arch_register_get_name(dst_reg));
+	be_emit_finish_line_gas(node);
+}
+
+static const arch_register_t *get_next_fp_reg(const arch_register_t *reg)
+{
+	unsigned index = reg->index;
+	assert(reg == &sparc_fp_regs[index]);
+	index++;
+	assert(index < N_sparc_fp_REGS);
+	return &sparc_fp_regs[index];
+}
+
 /**
  * emit copy node
  */
-static void emit_be_Copy(const ir_node *irn)
+static void emit_be_Copy(const ir_node *node)
 {
-	ir_mode *mode = get_irn_mode(irn);
+	ir_mode               *mode    = get_irn_mode(node);
+	const arch_register_t *src_reg = get_in_reg(node, 0);
+	const arch_register_t *dst_reg = get_out_reg(node, 0);
 
-	if (get_in_reg(irn, 0) == get_out_reg(irn, 0)) {
-		/* omitted Copy */
+	if (src_reg == dst_reg)
 		return;
-	}
 
 	if (mode_is_float(mode)) {
-		panic("emit_be_Copy: move not supported for FP");
+		unsigned bits = get_mode_size_bits(mode);
+		int      n    = bits > 32 ? bits > 64 ? 3 : 1 : 0;
+		int      i;
+		emit_fmov(node, src_reg, dst_reg);
+		for (i = 0; i < n; ++i) {
+			src_reg = get_next_fp_reg(src_reg);
+			dst_reg = get_next_fp_reg(dst_reg);
+			emit_fmov(node, src_reg, dst_reg);
+		}
 	} else if (mode_is_data(mode)) {
 		be_emit_cstring("\tmov ");
-		sparc_emit_source_register(irn, 0);
+		sparc_emit_source_register(node, 0);
 		be_emit_cstring(", ");
-		sparc_emit_dest_register(irn, 0);
-		be_emit_finish_line_gas(irn);
+		sparc_emit_dest_register(node, 0);
+		be_emit_finish_line_gas(node);
 	} else {
-		panic("emit_be_Copy: move not supported for this mode");
+		panic("emit_be_Copy: invalid mode");
 	}
 }
 
@@ -576,8 +883,6 @@ static void emit_nothing(const ir_node *irn)
 	(void) irn;
 }
 
-
-
 /**
  * type of emitter function
  */
@@ -597,47 +902,34 @@ static inline void set_emitter(ir_op *op, emit_func sparc_emit_node)
  */
 static void sparc_register_emitters(void)
 {
-
 	/* first clear the generic function pointer for all ops */
 	clear_irp_opcodes_generic_func();
-
 	/* register all emitter functions defined in spec */
 	sparc_register_spec_emitters();
 
 	/* custom emitter */
-    set_emitter(op_be_IncSP,       emit_be_IncSP);
-    set_emitter(op_be_Return,      emit_be_Return);
-    set_emitter(op_be_Call,        emit_be_Call);
-    set_emitter(op_sparc_FrameAddr,  emit_sparc_FrameAddr);
-    set_emitter(op_sparc_Branch,   emit_sparc_Branch);
-    set_emitter(op_sparc_SymConst,   emit_sparc_SymConst);
-    set_emitter(op_sparc_Jmp,        emit_sparc_Jmp);
-    set_emitter(op_sparc_Save,        emit_sparc_Save);
-
-    set_emitter(op_sparc_HiImm,        emit_sparc_HiImm);
-    set_emitter(op_sparc_LoImm,        emit_sparc_LoImm);
-
-    set_emitter(op_be_Copy,        emit_be_Copy);
-    set_emitter(op_be_CopyKeep,    emit_be_Copy);
-
-    set_emitter(op_be_Perm,        emit_be_Perm);
-
-/*
-    set_emitter(op_arm_B,          emit_arm_B);
-    set_emitter(op_arm_CopyB,      emit_arm_CopyB);
-    set_emitter(op_arm_fpaConst,   emit_arm_fpaConst);
-    set_emitter(op_arm_fpaDbl2GP,  emit_arm_fpaDbl2GP);
-    set_emitter(op_arm_LdTls,      emit_arm_LdTls);
-    set_emitter(op_arm_SwitchJmp,  emit_arm_SwitchJmp);
-    set_emitter(op_be_MemPerm,     emit_be_MemPerm);
-
-*/
-    /* no need to emit anything for the following nodes */
-	set_emitter(op_Phi,            emit_nothing);
-	set_emitter(op_be_Keep,        emit_nothing);
-	set_emitter(op_be_Start,       emit_nothing);
-	set_emitter(op_be_Barrier,     emit_nothing);
-
+	set_emitter(op_be_Copy,         emit_be_Copy);
+	set_emitter(op_be_CopyKeep,     emit_be_Copy);
+	set_emitter(op_be_IncSP,        emit_be_IncSP);
+	set_emitter(op_be_MemPerm,      emit_be_MemPerm);
+	set_emitter(op_be_Perm,         emit_be_Perm);
+	set_emitter(op_be_Return,       emit_be_Return);
+	set_emitter(op_sparc_Ba,        emit_sparc_Ba);
+	set_emitter(op_sparc_Bicc,      emit_sparc_Bicc);
+	set_emitter(op_sparc_Call,      emit_sparc_Call);
+	set_emitter(op_sparc_fbfcc,     emit_sparc_fbfcc);
+	set_emitter(op_sparc_FrameAddr, emit_sparc_FrameAddr);
+	set_emitter(op_sparc_Mulh,      emit_sparc_Mulh);
+	set_emitter(op_sparc_Save,      emit_sparc_Save);
+	set_emitter(op_sparc_SDiv,      emit_sparc_SDiv);
+	set_emitter(op_sparc_SwitchJmp, emit_sparc_SwitchJmp);
+	set_emitter(op_sparc_UDiv,      emit_sparc_UDiv);
+
+	/* no need to emit anything for the following nodes */
+	set_emitter(op_be_Barrier, emit_nothing);
+	set_emitter(op_be_Keep,    emit_nothing);
+	set_emitter(op_be_Start,   emit_nothing);
+	set_emitter(op_Phi,        emit_nothing);
 }
 
 /**
@@ -645,15 +937,15 @@ static void sparc_register_emitters(void)
  */
 static void sparc_emit_node(const ir_node *node)
 {
-	ir_op               *op       = get_irn_op(node);
+	ir_op *op = get_irn_op(node);
 
 	if (op->ops.generic) {
 		emit_func func = (emit_func) op->ops.generic;
 		be_dbg_set_dbg_info(get_irn_dbg_info(node));
 		(*func) (node);
 	} else {
-		panic("Error: No emit handler for node %+F (graph %+F)\n",
-			node, current_ir_graph);
+		panic("No emit handler for node %+F (graph %+F)\n",	node,
+		      current_ir_graph);
 	}
 }
 
@@ -731,13 +1023,14 @@ void sparc_gen_routine(const sparc_code_gen_t *cg, ir_graph *irg)
 	ir_node *last_block = NULL;
 	ir_entity *entity     = get_irg_entity(irg);
 	int i, n;
+	(void) cg;
 
 	be_gas_elf_type_char = '#';
 	be_gas_object_file_format = OBJECT_FILE_FORMAT_ELF_SPARC;
 
 	/* register all emitter functions */
 	sparc_register_emitters();
-	be_dbg_method_begin(entity, be_abi_get_stack_layout(be_get_irg_abi(cg->irg)));
+	be_dbg_method_begin(entity);
 
 	/* create the block schedule. For now, we don't need it earlier. */
 	blk_sched = be_create_block_schedule(irg);
@@ -763,9 +1056,6 @@ void sparc_gen_routine(const sparc_code_gen_t *cg, ir_graph *irg)
 		last_block = block;
 	}
 
-
-	//irg_walk_blkwise_graph(irg, NULL, sparc_gen_block, NULL);
-
 	// emit function epilog
 	sparc_emit_func_epilog(irg);
 }