X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_emitter.c;h=bffb6db84af90bd832aaa9bb61dbf952314ef21d;hb=41eca21e7add2e4f30f14c46600a23839852b3fc;hp=27bad35cafa52e6b30e09a8290093a02595a8cf4;hpb=0e6a1f628807ceb2eab0aa2b97cc6e3e59388223;p=libfirm

diff --git a/ir/be/ia32/ia32_emitter.c b/ir/be/ia32/ia32_emitter.c
index 27bad35ca..bffb6db84 100644
--- a/ir/be/ia32/ia32_emitter.c
+++ b/ir/be/ia32/ia32_emitter.c
@@ -211,6 +211,9 @@ static char *get_unique_label(char *buf, size_t buflen, const char *prefix)
  * |_|                                       |_|
  *************************************************************/
 
+/**
+ * Emit the name of the 8bit low register
+ */
 static void emit_8bit_register(const arch_register_t *reg)
 {
 	const char *reg_name = arch_register_get_name(reg);
@@ -220,6 +223,18 @@ static void emit_8bit_register(const arch_register_t *reg)
 	be_emit_char('l');
 }
 
+/**
+ * Emit the name of the 8bit high register
+ */
+static void emit_8bit_register_high(const arch_register_t *reg)
+{
+	const char *reg_name = arch_register_get_name(reg);
+
+	be_emit_char('%');
+	be_emit_char(reg_name[1]);
+	be_emit_char('h');
+}
+
 static void emit_16bit_register(const arch_register_t *reg)
 {
 	const char *reg_name = ia32_get_mapped_reg_name(isa->regs_16bit, reg);
@@ -228,6 +243,12 @@ static void emit_16bit_register(const arch_register_t *reg)
 	be_emit_string(reg_name);
 }
 
+/**
+ * emit a register, possible shortened by a mode
+ *
+ * @param reg   the register
+ * @param mode  the mode of the register or NULL for full register
+ */
 static void emit_register(const arch_register_t *reg, const ir_mode *mode)
 {
 	const char *reg_name;
@@ -304,7 +325,7 @@ static void emit_ia32_Immediate(const ir_node *node)
 void ia32_emit_8bit_source_register_or_immediate(const ir_node *node, int pos)
 {
 	const arch_register_t *reg;
-	ir_node               *in = get_irn_n(node, pos);
+	const ir_node         *in = get_irn_n(node, pos);
 	if (is_ia32_Immediate(in)) {
 		emit_ia32_Immediate(in);
 		return;
@@ -314,6 +335,25 @@ void ia32_emit_8bit_source_register_or_immediate(const ir_node *node, int pos)
 	emit_8bit_register(reg);
 }
 
+void ia32_emit_8bit_high_source_register(const ir_node *node, int pos)
+{
+	const arch_register_t *reg = get_in_reg(node, pos);
+	emit_8bit_register_high(reg);
+}
+
+void ia32_emit_16bit_source_register_or_immediate(const ir_node *node, int pos)
+{
+	const arch_register_t *reg;
+	const ir_node         *in = get_irn_n(node, pos);
+	if (is_ia32_Immediate(in)) {
+		emit_ia32_Immediate(in);
+		return;
+	}
+
+	reg = get_in_reg(node, pos);
+	emit_16bit_register(reg);
+}
+
 void ia32_emit_dest_register(const ir_node *node, int pos)
 {
 	const arch_register_t *reg  = get_out_reg(node, pos);
@@ -321,6 +361,13 @@ void ia32_emit_dest_register(const ir_node *node, int pos)
 	emit_register(reg, NULL);
 }
 
+void ia32_emit_dest_register_size(const ir_node *node, int pos)
+{
+	const arch_register_t *reg  = get_out_reg(node, pos);
+
+	emit_register(reg, get_ia32_ls_mode(node));
+}
+
 void ia32_emit_8bit_dest_register(const ir_node *node, int pos)
 {
 	const arch_register_t *reg  = get_out_reg(node, pos);
@@ -416,11 +463,13 @@ void ia32_emit_xmm_mode_suffix_s(const ir_node *node)
 	be_emit_char(get_xmm_mode_suffix(mode));
 }
 
-void ia32_emit_extend_suffix(const ir_mode *mode)
+void ia32_emit_extend_suffix(const ir_node *node)
 {
+	ir_mode *mode = get_ia32_ls_mode(node);
 	if (get_mode_size_bits(mode) == 32)
 		return;
 	be_emit_char(mode_is_signed(mode) ? 's' : 'z');
+	ia32_emit_mode_suffix_mode(mode);
 }
 
 void ia32_emit_source_register_or_immediate(const ir_node *node, int pos)
@@ -495,10 +544,17 @@ static const char *const cmp2condition_u[] = {
 	NULL  /* always true */
 };
 
+/**
+ * Emit the suffix for a compare instruction.
+ */
 static void ia32_emit_cmp_suffix(int pnc)
 {
 	const char *str;
 
+	if (pnc == ia32_pn_Cmp_parity) {
+		be_emit_char('p');
+		return;
+	}
 	if (pnc & ia32_pn_Cmp_float || pnc & ia32_pn_Cmp_unsigned) {
 		str = cmp2condition_u[pnc & 7];
 	} else {