X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=ir%2Fbe%2FTEMPLATE%2FTEMPLATE_emitter.c;h=cd9a013a525e99e43a29c75e43cc01fcca12c677;hb=0ac0b440ce2d239c5e7e7db56b8273559d9a7741;hp=61c19f358e7ed7851beed848388c93227a34f770;hpb=f8cc15664f571aa7ef89d6f6bc8d5bd2b8ca7d53;p=libfirm

diff --git a/ir/be/TEMPLATE/TEMPLATE_emitter.c b/ir/be/TEMPLATE/TEMPLATE_emitter.c
index 61c19f358..cd9a013a5 100644
--- a/ir/be/TEMPLATE/TEMPLATE_emitter.c
+++ b/ir/be/TEMPLATE/TEMPLATE_emitter.c
@@ -1,20 +1,6 @@
 /*
- * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
- *
  * This file is part of libFirm.
- *
- * This file may be distributed and/or modified under the terms of the
- * GNU General Public License version 2 as published by the Free Software
- * Foundation and appearing in the file LICENSE.GPL included in the
- * packaging of this file.
- *
- * Licensees holding valid libFirm Professional Edition licenses may use
- * this file in accordance with the libFirm Commercial License.
- * Agreement provided with the Software.
- *
- * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
- * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE.
+ * Copyright (C) 2012 University of Karlsruhe.
  */
 
 /**
@@ -25,6 +11,7 @@
 
 #include <limits.h>
 
+#include "error.h"
 #include "xmalloc.h"
 #include "tv.h"
 #include "iredges.h"
@@ -46,26 +33,24 @@
 #include "TEMPLATE_nodes_attr.h"
 #include "TEMPLATE_new_nodes.h"
 
-#define SNPRINTF_BUF_LEN 128
-
-void TEMPLATE_emit_immediate(const ir_node *node)
+static void TEMPLATE_emit_immediate(const ir_node *node)
 {
 	const TEMPLATE_attr_t *attr = get_TEMPLATE_attr_const(node);
-	be_emit_tarval(attr->value);
+	be_emit_irprintf("%T", attr->value);
 }
 
 static void emit_register(const arch_register_t *reg)
 {
-	be_emit_string(arch_register_get_name(reg));
+	be_emit_string(reg->name);
 }
 
-void TEMPLATE_emit_source_register(const ir_node *node, int pos)
+static void TEMPLATE_emit_source_register(const ir_node *node, int pos)
 {
 	const arch_register_t *reg = arch_get_irn_register_in(node, pos);
 	emit_register(reg);
 }
 
-void TEMPLATE_emit_dest_register(const ir_node *node, int pos)
+static void TEMPLATE_emit_dest_register(const ir_node *node, int pos)
 {
 	const arch_register_t *reg = arch_get_irn_register_out(node, pos);
 	emit_register(reg);
@@ -80,16 +65,96 @@ static void TEMPLATE_emit_cfop_target(const ir_node *node)
 	be_gas_emit_block_name(block);
 }
 
+void TEMPLATE_emitf(const ir_node *node, const char *format, ...)
+{
+	va_list ap;
+	va_start(ap, format);
+	be_emit_char('\t');
+	for (;;) {
+		const char *start = format;
+		while (*format != '%' && *format != '\0')
+			++format;
+		be_emit_string_len(start, format-start);
+		if (*format == '\0')
+			break;
+		++format;
+
+		switch (*format++) {
+		case '%':
+			be_emit_char('%');
+			break;
+
+		case 'S': {
+			if (*format < '0' || '9' <= *format)
+				goto unknown;
+			unsigned const pos = *format++ - '0';
+			TEMPLATE_emit_source_register(node, pos);
+			break;
+		}
+
+		case 'D': {
+			if (*format < '0' || '9' <= *format)
+				goto unknown;
+			unsigned const pos = *format++ - '0';
+			TEMPLATE_emit_dest_register(node, pos);
+			break;
+		}
+
+		case 'I':
+			TEMPLATE_emit_immediate(node);
+			break;
+
+		case 'X': {
+			int num = va_arg(ap, int);
+			be_emit_irprintf("%X", num);
+			break;
+		}
+
+		case 'u': {
+			unsigned num = va_arg(ap, unsigned);
+			be_emit_irprintf("%u", num);
+			break;
+		}
+
+		case 'd': {
+			int num = va_arg(ap, int);
+			be_emit_irprintf("%d", num);
+			break;
+		}
+
+		case 's': {
+			const char *string = va_arg(ap, const char *);
+			be_emit_string(string);
+			break;
+		}
+
+		case 'L': {
+			TEMPLATE_emit_cfop_target(node);
+			break;
+		}
+
+		case '\n':
+			be_emit_char('\n');
+			be_emit_write_line();
+			be_emit_char('\t');
+			break;
+
+		default:
+unknown:
+			panic("unknown format conversion");
+		}
+	}
+	va_end(ap);
+	be_emit_finish_line_gas(node);
 
+}
 
 /**
  * Emits code for a unconditional jump.
  */
 static void emit_TEMPLATE_Jmp(const ir_node *node)
 {
-	be_emit_cstring("\tjmp ");
-	TEMPLATE_emit_cfop_target(node);
-	be_emit_finish_line_gas(node);
+	TEMPLATE_emitf(node, "jmp %L");
 }
 
 static void emit_be_IncSP(const ir_node *node)
@@ -100,17 +165,13 @@ static void emit_be_IncSP(const ir_node *node)
 		return;
 
 	/* downwards growing stack */
-	if (offset > 0) {
-		be_emit_cstring("\tsub ");
-	} else {
-		be_emit_cstring("\tadd ");
+	const char *op = "add";
+	if (offset < 0) {
+		op = "sub";
 		offset = -offset;
 	}
 
-	TEMPLATE_emit_source_register(node, 0);
-	be_emit_irprintf(", %d, ", offset);
-	TEMPLATE_emit_dest_register(node, 0);
-	be_emit_finish_line_gas(node);
+	TEMPLATE_emitf(node, "%s %S0, %d, %D0", op, offset);
 }
 
 static void emit_be_Start(const ir_node *node)
@@ -123,11 +184,7 @@ static void emit_be_Start(const ir_node *node)
 
 	/* allocate stackframe */
 	if (size > 0) {
-		be_emit_cstring("\tsub ");
-		emit_register(&TEMPLATE_registers[REG_SP]);
-		be_emit_irprintf(", %u, ", size);
-		emit_register(&TEMPLATE_registers[REG_SP]);
-		be_emit_finish_line_gas(node);
+		TEMPLATE_emitf(node, "sub %%sp, %u, %%sp", size);
 	}
 }
 
@@ -141,31 +198,11 @@ static void emit_be_Return(const ir_node *node)
 
 	/* deallocate stackframe */
 	if (size > 0) {
-		be_emit_cstring("\tadd ");
-		emit_register(&TEMPLATE_registers[REG_SP]);
-		be_emit_irprintf(", %u, ", size);
-		emit_register(&TEMPLATE_registers[REG_SP]);
-		be_emit_finish_line_gas(node);
+		TEMPLATE_emitf(node, "add %%sp, %u, %%sp", size);
 	}
 
 	/* return */
-	be_emit_cstring("\tret");
-	be_emit_finish_line_gas(node);
-}
-
-static void emit_nothing(const ir_node *node)
-{
-	(void) node;
-}
-
-/**
- * The type of a emitter function.
- */
-typedef void (emit_func)(const ir_node *node);
-
-static inline void set_emitter(ir_op *op, emit_func func)
-{
-	op->ops.generic = (op_func)func;
+	TEMPLATE_emitf(node, "ret");
 }
 
 /**
@@ -175,37 +212,20 @@ static inline void set_emitter(ir_op *op, emit_func func)
 static void TEMPLATE_register_emitters(void)
 {
 	/* first clear the generic function pointer for all ops */
-	clear_irp_opcodes_generic_func();
+	ir_clear_opcodes_generic_func();
 
 	/* register all emitter functions defined in spec */
 	TEMPLATE_register_spec_emitters();
 
 	/* custom emitters not provided by the spec */
-	set_emitter(op_TEMPLATE_Jmp,   emit_TEMPLATE_Jmp);
-	set_emitter(op_be_IncSP,       emit_be_IncSP);
-	set_emitter(op_be_Return,      emit_be_Return);
-	set_emitter(op_be_Start,       emit_be_Start);
+	be_set_emitter(op_TEMPLATE_Jmp, emit_TEMPLATE_Jmp);
+	be_set_emitter(op_be_IncSP,     emit_be_IncSP);
+	be_set_emitter(op_be_Return,    emit_be_Return);
+	be_set_emitter(op_be_Start,     emit_be_Start);
 
 	/* no need to emit anything for the following nodes */
-	set_emitter(op_Phi,            emit_nothing);
-	set_emitter(op_be_Keep,        emit_nothing);
-}
-
-typedef void (*emit_func_ptr) (const ir_node *);
-
-/**
- * Emits code for a node.
- */
-static void TEMPLATE_emit_node(const ir_node *node)
-{
-	ir_op               *op       = get_irn_op(node);
-
-	if (op->ops.generic) {
-		emit_func_ptr func = (emit_func_ptr) op->ops.generic;
-		(*func) (node);
-	} else {
-		ir_fprintf(stderr, "No emitter for node %+F\n", node);
-	}
+	be_set_emitter(op_Phi,     be_emit_nothing);
+	be_set_emitter(op_be_Keep, be_emit_nothing);
 }
 
 /**
@@ -214,14 +234,10 @@ static void TEMPLATE_emit_node(const ir_node *node)
  */
 static void TEMPLATE_emit_block(ir_node *block)
 {
-	ir_node *node;
-
-	be_gas_emit_block_name(block);
-	be_emit_cstring(":\n");
-	be_emit_write_line();
+	be_gas_begin_block(block, true);
 
 	sched_foreach(block, node) {
-		TEMPLATE_emit_node(node);
+		be_emit_node(node);
 	}
 }
 
@@ -257,7 +273,7 @@ void TEMPLATE_emit_routine(ir_graph *irg)
 	block_schedule = be_create_block_schedule(irg);
 
 	/* emit assembler prolog */
-	be_gas_emit_function_prolog(entity, 4);
+	be_gas_emit_function_prolog(entity, 4, NULL);
 
 	/* populate jump link fields with their destinations */
 	irg_block_walk_graph(irg, TEMPLATE_gen_labels, NULL, NULL);