X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fsparc%2Fsparc_emitter.c;h=a5b25e932c0de5d3448c89ff66dbdcfee33497ed;hb=30e0e01a7abee881b1684ee93750e886cf2d6d66;hp=42f948ca1785b42de5f0340d2f95807bb6455822;hpb=c563dd6506ad94733626b2c83fb7b017f90f37f7;p=libfirm

diff --git a/ir/be/sparc/sparc_emitter.c b/ir/be/sparc/sparc_emitter.c
index 42f948ca1..a5b25e932 100644
--- a/ir/be/sparc/sparc_emitter.c
+++ b/ir/be/sparc/sparc_emitter.c
@@ -53,8 +53,6 @@
 #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;)
 
 /**
@@ -172,6 +170,21 @@ void sparc_emit_offset(const ir_node *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
@@ -188,7 +201,7 @@ void sparc_emit_load_mode(const ir_node *node)
 	} else if (bits == 8) {
 		be_emit_string(is_signed ? "sb" : "ub");
 	} else if (bits == 64) {
-		be_emit_string("d");
+		be_emit_char('d');
 	} else {
 		assert(bits == 32);
 	}
@@ -208,7 +221,7 @@ void sparc_emit_store_mode(const ir_node *node)
 	} else if (bits == 8) {
 		be_emit_string("b");
 	} else if (bits == 64) {
-		be_emit_string("d");
+		be_emit_char('d');
 	} else {
 		assert(bits == 32);
 	}
@@ -224,44 +237,32 @@ void sparc_emit_mode_sign_prefix(const ir_node *node)
 	be_emit_string(is_signed ? "s" : "u");
 }
 
-/**
- * emit FP load mode char
- */
-void sparc_emit_fp_load_mode(const ir_node *node)
+static void emit_fp_suffix(const ir_mode *mode)
 {
-	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);
-
+	unsigned bits = get_mode_size_bits(mode);
 	assert(mode_is_float(mode));
 
 	if (bits == 32) {
-		be_emit_string("f");
+		be_emit_char('s');
 	} else if (bits == 64) {
-		be_emit_string("df");
+		be_emit_char('d');
+	} else if (bits == 128) {
+		be_emit_char('q');
 	} else {
-		panic("FP load mode > 64bits not implemented yet");
+		panic("invalid FP mode");
 	}
 }
 
-/**
- * emit FP store mode char
- */
-void sparc_emit_fp_store_mode(const ir_node *node)
+void sparc_emit_fp_conv_source(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));
+	const sparc_fp_conv_attr_t *attr = get_sparc_fp_conv_attr_const(node);
+	emit_fp_suffix(attr->src_mode);
+}
 
-	if (bits == 32) {
-		be_emit_string("f");
-	} else if (bits == 64) {
-		be_emit_string("df");
-	} else {
-		panic("FP store mode > 64bits not implemented yet");
-	}
+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);
 }
 
 /**
@@ -269,18 +270,8 @@ void sparc_emit_fp_store_mode(const ir_node *node)
  */
 void sparc_emit_fp_mode_suffix(const ir_node *node)
 {
-	ir_mode *mode      = get_irn_mode(node);
-	int      bits      = get_mode_size_bits(mode);
-
-	assert(mode_is_float(mode));
-
-	if (bits == 32) {
-		be_emit_string("s");
-	} else if (bits == 64) {
-		be_emit_string("d");
-	} else {
-		panic("FP mode > 64bits not implemented yet");
-	}
+	const sparc_fp_attr_t *attr = get_sparc_fp_attr_const(node);
+	emit_fp_suffix(attr->fp_mode);
 }
 
 /**
@@ -364,13 +355,13 @@ static void emit_sparc_LoImm(const ir_node *irn)
 }
 
 /**
- * emit code for div with the correct sign prefix
+ * emits code for mulh
  */
-static void emit_sparc_Div(const ir_node *irn)
+static void emit_sparc_Mulh(const ir_node *irn)
 {
 	be_emit_cstring("\t");
 	sparc_emit_mode_sign_prefix(irn);
-	be_emit_cstring("div ");
+	be_emit_cstring("mul ");
 
 	sparc_emit_source_register(irn, 0);
 	be_emit_cstring(", ");
@@ -378,49 +369,51 @@ static void emit_sparc_Div(const ir_node *irn)
 	be_emit_cstring(", ");
 	sparc_emit_dest_register(irn, 0);
 	be_emit_finish_line_gas(irn);
-}
-
-/**
- * emit code for mul with the correct sign prefix
- */
-static void emit_sparc_Mul(const ir_node *irn)
-{
-	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(", ");
+	// 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);
 }
 
-/**
- * emits code for mulh
- */
-static void emit_sparc_Mulh(const ir_node *irn)
+static void emit_sparc_Div(const ir_node *node, bool is_signed)
 {
-	be_emit_cstring("\t");
-	sparc_emit_mode_sign_prefix(irn);
-	be_emit_cstring("mul ");
+	/* can we get the delay count of the wr instruction somewhere? */
+	unsigned wry_delay_count = 3;
+	unsigned i;
 
-	sparc_emit_source_register(irn, 0);
+	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) {
+		be_emit_cstring("\tnop");
+		be_emit_finish_line_gas(node);
+	}
+
+	be_emit_irprintf("\t%s ", is_signed ? "sdiv" : "udiv");
+	sparc_emit_source_register(node, 1);
 	be_emit_cstring(", ");
-	sparc_emit_reg_or_imm(irn, 1);
+	sparc_emit_source_register(node, 2);
 	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);
+}
 
-	// our result is in the y register now
-	// we just copy it to the assigned target reg
-	be_emit_cstring("\tmov ");
-	be_emit_char('%');
-	be_emit_string(arch_register_get_name(&sparc_flags_regs[REG_Y]));
-	be_emit_cstring(", ");
-	sparc_emit_dest_register(irn, 0);
-	be_emit_finish_line_gas(irn);
+static void emit_sparc_SDiv(const ir_node *node)
+{
+	(void) node;
+	/* aehm we would need an aditional register for an sra instruction to
+	 * compute the upper bits... Just panic for now */
+	//emit_sparc_Div(node, true);
+	panic("signed div is wrong");
+}
+
+static void emit_sparc_UDiv(const ir_node *node)
+{
+	emit_sparc_Div(node, false);
 }
 
 /**
@@ -438,24 +431,24 @@ 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);
 		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 */
+	be_emit_cstring("\tnop");
+	be_emit_finish_line_gas(node);
 }
 
 /**
@@ -496,6 +489,11 @@ static void emit_be_MemPerm(const ir_node *node)
 	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);
+
+	/* this implementation only works with frame pointers currently */
+	assert(layout->sp_relative == false);
 
 	/* TODO: this implementation is slower than necessary.
 	   The longterm goal is however to avoid the memperm node completely */
@@ -505,34 +503,40 @@ static void emit_be_MemPerm(const ir_node *node)
 	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) {
-		int offset;
 		ir_entity *entity = be_get_MemPerm_in_entity(node, i);
+		int        offset = be_get_stack_entity_offset(layout, entity, 0);
 
 		/* spill register */
-		sp_change += 4;
-		be_emit_irprintf("\tst %%l%d, [%%sp-%d]", i, sp_change);
+		be_emit_irprintf("\tst %%l%d, [%%sp%+d]", i, sp_change + SPARC_MIN_STACKSIZE);
 		be_emit_finish_line_gas(node);
 
 		/* load from entity */
-		offset = get_entity_offset(entity) + sp_change;
-		be_emit_irprintf("\tld [%%sp+%d], %%l%d", offset, i);
+		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) {
-		int        offset;
 		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 */
-		offset = get_entity_offset(entity) + sp_change;
-		be_emit_irprintf("\tst %%l%d, [%%sp+%d]", i, offset);
+		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, i);
-		sp_change -= 4;
+		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);
 }
 
@@ -587,26 +591,77 @@ static void emit_sparc_FrameAddr(const ir_node *irn)
 	be_emit_finish_line_gas(irn);
 }
 
+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_BXX(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) {
@@ -616,42 +671,29 @@ static void emit_sparc_BXX(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);
 
@@ -660,7 +702,7 @@ static void emit_sparc_BXX(const ir_node *irn)
 	be_emit_cstring("/* TODO: use delay slot */\n");
 
 	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);
@@ -673,6 +715,18 @@ static void emit_sparc_BXX(const ir_node *irn)
 	}
 }
 
+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)
  */
@@ -698,28 +752,55 @@ static void emit_sparc_Ba(const ir_node *node)
 	be_emit_finish_line_gas(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");
 	}
 }
 
@@ -732,8 +813,6 @@ static void emit_nothing(const ir_node *irn)
 	(void) irn;
 }
 
-
-
 /**
  * type of emitter function
  */
@@ -759,23 +838,24 @@ static void sparc_register_emitters(void)
 	sparc_register_spec_emitters();
 
 	/* custom emitter */
-	set_emitter(op_be_Call,         emit_be_Call);
 	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_BXX,       emit_sparc_BXX);
-	set_emitter(op_sparc_Div,       emit_sparc_Div);
+	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_HiImm,     emit_sparc_HiImm);
-	set_emitter(op_sparc_Ba,        emit_sparc_Ba);
 	set_emitter(op_sparc_LoImm,     emit_sparc_LoImm);
-	set_emitter(op_sparc_Mul,       emit_sparc_Mul);
 	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_SymConst,  emit_sparc_SymConst);
+	set_emitter(op_sparc_UDiv,      emit_sparc_UDiv);
 
 	/* no need to emit anything for the following nodes */
 	set_emitter(op_be_Barrier, emit_nothing);
@@ -789,15 +869,15 @@ 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);
 	}
 }