[Qemu-devel] [4416] CRIS: helper_dummy no longer needed as barrier for qemu_ld/st.

[Edgar E. Iglesias]

Revision: 4416
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4416
Author:   edgar_igl
Date:     2008-05-10 19:20:33 +0000 (Sat, 10 May 2008)

Log Message:
-----------
CRIS: helper_dummy no longer needed as barrier for qemu_ld/st.

Modified Paths:
--------------
    trunk/target-cris/translate.c

Modified: trunk/target-cris/translate.c
===================================================================
--- trunk/target-cris/translate.c       2008-05-10 18:43:02 UTC (rev 4415)
+++ trunk/target-cris/translate.c       2008-05-10 19:20:33 UTC (rev 4416)
@@ -1120,7 +1120,6 @@
 {
        int mem_index = cpu_mmu_index(dc->env);
 
-       cris_evaluate_flags(dc);
        if (size == 1) {
                if (sign)
                        tcg_gen_qemu_ld8s(dst, addr, mem_index);
@@ -1276,8 +1275,6 @@
                tcg_gen_movi_tl(cpu_T[1], imm);
                dc->postinc = 0;
        } else {
-               /* FIXME: qemu_ld does not act as a barrier?  */
-               tcg_gen_helper_0_0(helper_dummy);
                gen_load(dc, cpu_T[1], cpu_R[rs], memsize, 0);
                if (s_ext)
                        t_gen_sext(cpu_T[1], cpu_T[1], memsize);
@@ -2340,8 +2337,6 @@
                cris_evaluate_flags(dc);
        t_gen_mov_TN_preg(cpu_T[1], dc->op2);
 
-       /* FIXME: qemu_st does not act as a barrier?  */
-       tcg_gen_helper_0_0(helper_dummy);
        gen_store(dc, cpu_R[dc->op1], cpu_T[1], memsize);
 
        cris_cc_mask(dc, 0);
@@ -2358,9 +2353,6 @@
        DIS(fprintf (logfile, "movem [$r%u%s, $r%u\n", dc->op1,
                    dc->postinc ? "+]" : "]", dc->op2));
 
-       /* FIXME: qemu_ld does not act as a barrier?  */
-       tcg_gen_helper_0_0(helper_dummy);
-
        /* fetch the address into T0 and T1.  */
        for (i = 0; i <= dc->op2; i++) {
                tmp[i] = tcg_temp_new(TCG_TYPE_TL);
@@ -2390,9 +2382,6 @@
        DIS(fprintf (logfile, "movem $r%u, [$r%u%s\n", dc->op2, dc->op1,
                     dc->postinc ? "+]" : "]"));
 
-       /* FIXME: qemu_st does not act as a barrier?  */
-       tcg_gen_helper_0_0(helper_dummy);
-
        for (i = 0; i <= dc->op2; i++) {
                /* Displace addr.  */
                tcg_gen_addi_tl(cpu_T[0], cpu_R[dc->op1], i * 4);
@@ -2415,8 +2404,6 @@
                     memsize, dc->op2, dc->op1));
 
        /* prepare store.  */
-       /* FIXME: qemu_st does not act as a barrier?  */
-       tcg_gen_helper_0_0(helper_dummy);
        gen_store(dc, cpu_R[dc->op1], cpu_R[dc->op2], memsize);
 
        if (dc->postinc)