fixed CopyB emitter

fixed CRLF

diff --git a/ir/be/ia32/ia32_emitter.c b/ir/be/ia32/ia32_emitter.c
index f718868..ba7d131 100644 (file)
--- a/ir/be/ia32/ia32_emitter.c
+++ b/ir/be/ia32/ia32_emitter.c
@@ -1377,10 +1377,10 @@ static void emit_Proj(const ir_node *irn, ia32_emit_env_t *env) {
 /**
  * Emit movsb/w instructions to make mov count divideable by 4
  */
-static void emit_CopyB_prolog(FILE *F, int rem, int size) {
+static void emit_CopyB_prolog(FILE *F, ir_node *irn, int rem) {
        char cmd_buf[SNPRINTF_BUF_LEN], cmnt_buf[SNPRINTF_BUF_LEN];
 
-       fprintf(F, "\t/* memcopy %d bytes */\n", size);
+       ir_fprintf(F, "\t/* memcopy prolog %+F */\n", irn);
 
        snprintf(cmd_buf, SNPRINTF_BUF_LEN, "cld");
        snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* copy direction forward */");
@@ -1413,18 +1413,12 @@ static void emit_CopyB_prolog(FILE *F, int rem, int size) {
  * Emit rep movsd instruction for memcopy.
  */
 static void emit_ia32_CopyB(const ir_node *irn, ia32_emit_env_t *emit_env) {
-       FILE    *F         = emit_env->out;
-       tarval  *tv        = get_ia32_Immop_tarval(irn);
-       int      rem       = get_tarval_long(tv);
-       ir_node *size_node = get_irn_n(irn, 2);
-       int      size;
+       FILE   *F  = emit_env->out;
+       tarval *tv = get_ia32_Immop_tarval(irn);
+       int    rem = get_tarval_long(tv);
        char cmd_buf[SNPRINTF_BUF_LEN], cmnt_buf[SNPRINTF_BUF_LEN];
 
-       /* beware: size_node could be a be_Copy to fulfill constraints for ecx */
-       size_node = be_is_Copy(size_node) ? be_get_Copy_op(size_node) : size_node;
-       size      = get_tarval_long(get_ia32_Immop_tarval(size_node));
-
-       emit_CopyB_prolog(F, rem, size);
+       emit_CopyB_prolog(F, irn, rem);
 
        snprintf(cmd_buf, SNPRINTF_BUF_LEN, "rep movsd");
        snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* memcopy */");
@@ -1440,7 +1434,7 @@ static void emit_ia32_CopyB_i(const ir_node *irn, ia32_emit_env_t *emit_env) {
        FILE   *F    = emit_env->out;
        char cmd_buf[SNPRINTF_BUF_LEN], cmnt_buf[SNPRINTF_BUF_LEN];
 
-       emit_CopyB_prolog(F, size & 0x3, size);
+       emit_CopyB_prolog(F, irn, size & 0x3);
 
        size >>= 2;
        while (size--) {