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[Qemu-devel] [5552] CRIS: Remove cpu_T.


From: Edgar E. Iglesias
Subject: [Qemu-devel] [5552] CRIS: Remove cpu_T.
Date: Mon, 27 Oct 2008 20:24:59 +0000

Revision: 5552
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5552
Author:   edgar_igl
Date:     2008-10-27 20:24:59 +0000 (Mon, 27 Oct 2008)

Log Message:
-----------
CRIS: Remove cpu_T.

Signed-off-by: Edgar E. Iglesias <address@hidden>

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

Modified: trunk/target-cris/exec.h
===================================================================
--- trunk/target-cris/exec.h    2008-10-27 19:49:12 UTC (rev 5551)
+++ trunk/target-cris/exec.h    2008-10-27 20:24:59 UTC (rev 5552)
@@ -20,17 +20,8 @@
  */
 #include "dyngen-exec.h"
 
-#if 1
 register struct CPUCRISState *env asm(AREG0);
-/* This is only used for tb lookup.  */
-register uint32_t T0 asm(AREG1);
-register uint32_t T1 asm(AREG2);
-#else
-struct CPUCRISState *env;
-/* This is only used for tb lookup.  */
-uint32_t T0;
-uint32_t T1;
-#endif
+
 #include "cpu.h"
 #include "exec-all.h"
 

Modified: trunk/target-cris/translate.c
===================================================================
--- trunk/target-cris/translate.c       2008-10-27 19:49:12 UTC (rev 5551)
+++ trunk/target-cris/translate.c       2008-10-27 20:24:59 UTC (rev 5552)
@@ -62,7 +62,6 @@
 #define CC_MASK_RNZV 0x10e
 
 static TCGv cpu_env;
-static TCGv cpu_T[2];
 static TCGv cpu_R[16];
 static TCGv cpu_PR[16];
 static TCGv cc_x;
@@ -927,10 +926,15 @@
        int writeback;
 
        writeback = 1;
-       tmp = cpu_T[0];
-       if (op == CC_OP_CMP)
+
+       if (op == CC_OP_BOUND || op == CC_OP_BTST)
+               tmp = tcg_temp_local_new(TCG_TYPE_TL);
+       else
+               tmp = tcg_temp_new(TCG_TYPE_TL);
+
+       if (op == CC_OP_CMP) {
                writeback = 0;
-       else if (size == 4) {
+       } else if (size == 4) {
                tmp = d;
                writeback = 0;
        }
@@ -947,6 +951,8 @@
                        tcg_gen_andi_tl(d, d, ~0xffff);
                tcg_gen_or_tl(d, d, tmp);
        }
+       if (tmp != d)
+               tcg_temp_free(tmp);
 }
 
 static int arith_cc(DisasContext *dc)
@@ -1401,14 +1407,13 @@
 /* Prepare T0 and T1 for a memory + alu operation.
    s_ext decides if the operand1 should be sign-extended or zero-extended when
    needed.  */
-static int dec_prep_alu_m(DisasContext *dc, int s_ext, int memsize)
+static int dec_prep_alu_m(DisasContext *dc, int s_ext, int memsize,
+                         TCGv dst, TCGv src)
 {
        int insn_len;
 
-       insn_len = dec_prep_move_m(dc, s_ext, memsize, cpu_T[1]);
-
-       /* put dest in T0.  */
-       tcg_gen_mov_tl(cpu_T[0], cpu_R[dc->op2]);
+       insn_len = dec_prep_move_m(dc, s_ext, memsize, src);
+       tcg_gen_mov_tl(dst, cpu_R[dc->op2]);
        return insn_len;
 }
 
@@ -1536,16 +1541,18 @@
 }
 static unsigned int dec_btstq(DisasContext *dc)
 {
+       TCGv l0;
        dc->op1 = EXTRACT_FIELD(dc->ir, 0, 4);
        DIS(fprintf (logfile, "btstq %u, $r%d\n", dc->op1, dc->op2));
 
        cris_cc_mask(dc, CC_MASK_NZ);
-
+       l0 = tcg_temp_local_new(TCG_TYPE_TL);
        cris_alu(dc, CC_OP_BTST,
-                   cpu_T[0], cpu_R[dc->op2], tcg_const_tl(dc->op1), 4);
+                l0, cpu_R[dc->op2], tcg_const_tl(dc->op1), 4);
        cris_update_cc_op(dc, CC_OP_FLAGS, 4);
-       t_gen_mov_preg_TN(dc, PR_CCS, cpu_T[0]);
+       t_gen_mov_preg_TN(dc, PR_CCS, l0);
        dc->flags_uptodate = 1;
+       tcg_temp_free(l0);
        return 2;
 }
 static unsigned int dec_asrq(DisasContext *dc)
@@ -1807,8 +1814,8 @@
        cris_cc_mask(dc, CC_MASK_NZ);
        l0 = tcg_temp_local_new(TCG_TYPE_TL);
        dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, l0);
-       cris_alu(dc, CC_OP_BOUND,
-                   cpu_R[dc->op2], cpu_R[dc->op2], l0, 4);
+       cris_alu(dc, CC_OP_BOUND, cpu_R[dc->op2], cpu_R[dc->op2], l0, 4);
+       tcg_temp_free(l0);
        return 2;
 }
 
@@ -1980,16 +1987,17 @@
 
 static unsigned int dec_btst_r(DisasContext *dc)
 {
+       TCGv l0;
        DIS(fprintf (logfile, "btst $r%u, $r%u\n",
                    dc->op1, dc->op2));
        cris_cc_mask(dc, CC_MASK_NZ);
-       dec_prep_alu_r(dc, dc->op1, dc->op2, 4, 0, cpu_T[0], cpu_T[1]);
 
-       cris_alu(dc, CC_OP_BTST,
-                   cpu_T[0], cpu_T[0], cpu_T[1], 4);
+       l0 = tcg_temp_local_new(TCG_TYPE_TL);
+       cris_alu(dc, CC_OP_BTST, l0, cpu_R[dc->op2], cpu_R[dc->op1], 4);
        cris_update_cc_op(dc, CC_OP_FLAGS, 4);
-       t_gen_mov_preg_TN(dc, PR_CCS, cpu_T[0]);
+       t_gen_mov_preg_TN(dc, PR_CCS, l0);
        dc->flags_uptodate = 1;
+       tcg_temp_free(l0);
        return 2;
 }
 
@@ -2283,8 +2291,21 @@
        return insn_len;
 }
 
+static inline void cris_alu_m_alloc_temps(TCGv *t)
+{
+       t[0] = tcg_temp_new(TCG_TYPE_TL);
+       t[1] = tcg_temp_new(TCG_TYPE_TL);
+}
+
+static inline void cris_alu_m_free_temps(TCGv *t)
+{
+       tcg_temp_free(t[0]);
+       tcg_temp_free(t[1]);
+}
+
 static unsigned int dec_movs_m(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_z(dc);
        int insn_len;
        DIS(fprintf (logfile, "movs.%c [$r%u%s, $r%u\n",
@@ -2292,17 +2313,20 @@
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2));
 
+       cris_alu_m_alloc_temps(t);
        /* sign extend.  */
-       insn_len = dec_prep_alu_m(dc, 1, memsize);
+       insn_len = dec_prep_alu_m(dc, 1, memsize, t[0], t[1]);
        cris_cc_mask(dc, CC_MASK_NZ);
        cris_alu(dc, CC_OP_MOVE,
-                   cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4);
+                   cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4);
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_addu_m(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_z(dc);
        int insn_len;
        DIS(fprintf (logfile, "addu.%c [$r%u%s, $r%u\n",
@@ -2310,17 +2334,20 @@
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2));
 
+       cris_alu_m_alloc_temps(t);
        /* sign extend.  */
-       insn_len = dec_prep_alu_m(dc, 0, memsize);
+       insn_len = dec_prep_alu_m(dc, 0, memsize, t[0], t[1]);
        cris_cc_mask(dc, CC_MASK_NZVC);
        cris_alu(dc, CC_OP_ADD,
-                   cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4);
+                   cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4);
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_adds_m(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_z(dc);
        int insn_len;
        DIS(fprintf (logfile, "adds.%c [$r%u%s, $r%u\n",
@@ -2328,17 +2355,19 @@
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2));
 
+       cris_alu_m_alloc_temps(t);
        /* sign extend.  */
-       insn_len = dec_prep_alu_m(dc, 1, memsize);
+       insn_len = dec_prep_alu_m(dc, 1, memsize, t[0], t[1]);
        cris_cc_mask(dc, CC_MASK_NZVC);
-       cris_alu(dc, CC_OP_ADD,
-                   cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4);
+       cris_alu(dc, CC_OP_ADD, cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4);
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_subu_m(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_z(dc);
        int insn_len;
        DIS(fprintf (logfile, "subu.%c [$r%u%s, $r%u\n",
@@ -2346,17 +2375,19 @@
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2));
 
+       cris_alu_m_alloc_temps(t);
        /* sign extend.  */
-       insn_len = dec_prep_alu_m(dc, 0, memsize);
+       insn_len = dec_prep_alu_m(dc, 0, memsize, t[0], t[1]);
        cris_cc_mask(dc, CC_MASK_NZVC);
-       cris_alu(dc, CC_OP_SUB,
-                   cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4);
+       cris_alu(dc, CC_OP_SUB, cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4);
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_subs_m(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_z(dc);
        int insn_len;
        DIS(fprintf (logfile, "subs.%c [$r%u%s, $r%u\n",
@@ -2364,17 +2395,19 @@
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2));
 
+       cris_alu_m_alloc_temps(t);
        /* sign extend.  */
-       insn_len = dec_prep_alu_m(dc, 1, memsize);
+       insn_len = dec_prep_alu_m(dc, 1, memsize, t[0], t[1]);
        cris_cc_mask(dc, CC_MASK_NZVC);
-       cris_alu(dc, CC_OP_SUB,
-                   cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4);
+       cris_alu(dc, CC_OP_SUB, cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4);
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_movu_m(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_z(dc);
        int insn_len;
 
@@ -2383,16 +2416,18 @@
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2));
 
-       insn_len = dec_prep_alu_m(dc, 0, memsize);
+       cris_alu_m_alloc_temps(t);
+       insn_len = dec_prep_alu_m(dc, 0, memsize, t[0], t[1]);
        cris_cc_mask(dc, CC_MASK_NZ);
-       cris_alu(dc, CC_OP_MOVE,
-                   cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4);
+       cris_alu(dc, CC_OP_MOVE, cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4);
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_cmpu_m(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_z(dc);
        int insn_len;
        DIS(fprintf (logfile, "cmpu.%c [$r%u%s, $r%u\n",
@@ -2400,16 +2435,18 @@
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2));
 
-       insn_len = dec_prep_alu_m(dc, 0, memsize);
+       cris_alu_m_alloc_temps(t);
+       insn_len = dec_prep_alu_m(dc, 0, memsize, t[0], t[1]);
        cris_cc_mask(dc, CC_MASK_NZVC);
-       cris_alu(dc, CC_OP_CMP,
-                   cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4);
+       cris_alu(dc, CC_OP_CMP, cpu_R[dc->op2], cpu_R[dc->op2], t[1], 4);
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_cmps_m(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_z(dc);
        int insn_len;
        DIS(fprintf (logfile, "cmps.%c [$r%u%s, $r%u\n",
@@ -2417,17 +2454,20 @@
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2));
 
-       insn_len = dec_prep_alu_m(dc, 1, memsize);
+       cris_alu_m_alloc_temps(t);
+       insn_len = dec_prep_alu_m(dc, 1, memsize, t[0], t[1]);
        cris_cc_mask(dc, CC_MASK_NZVC);
        cris_alu(dc, CC_OP_CMP,
-                   cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1],
+                   cpu_R[dc->op2], cpu_R[dc->op2], t[1],
                    memsize_zz(dc));
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_cmp_m(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_zz(dc);
        int insn_len;
        DIS(fprintf (logfile, "cmp.%c [$r%u%s, $r%u\n",
@@ -2435,17 +2475,20 @@
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2));
 
-       insn_len = dec_prep_alu_m(dc, 0, memsize);
+       cris_alu_m_alloc_temps(t);
+       insn_len = dec_prep_alu_m(dc, 0, memsize, t[0], t[1]);
        cris_cc_mask(dc, CC_MASK_NZVC);
        cris_alu(dc, CC_OP_CMP,
-                   cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1],
+                   cpu_R[dc->op2], cpu_R[dc->op2], t[1],
                    memsize_zz(dc));
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_test_m(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_zz(dc);
        int insn_len;
        DIS(fprintf (logfile, "test.%d [$r%u%s] op2=%x\n",
@@ -2455,19 +2498,21 @@
 
        cris_evaluate_flags(dc);
 
-       insn_len = dec_prep_alu_m(dc, 0, memsize);
+       cris_alu_m_alloc_temps(t);
+       insn_len = dec_prep_alu_m(dc, 0, memsize, t[0], t[1]);
        cris_cc_mask(dc, CC_MASK_NZ);
        tcg_gen_andi_tl(cpu_PR[PR_CCS], cpu_PR[PR_CCS], ~3);
 
        cris_alu(dc, CC_OP_CMP,
-                   cpu_R[dc->op2], cpu_T[1], tcg_const_tl(0),
-                   memsize_zz(dc));
+                cpu_R[dc->op2], t[1], tcg_const_tl(0), memsize_zz(dc));
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_and_m(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_zz(dc);
        int insn_len;
        DIS(fprintf (logfile, "and.%d [$r%u%s, $r%u\n",
@@ -2475,17 +2520,18 @@
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2));
 
-       insn_len = dec_prep_alu_m(dc, 0, memsize);
+       cris_alu_m_alloc_temps(t);
+       insn_len = dec_prep_alu_m(dc, 0, memsize, t[0], t[1]);
        cris_cc_mask(dc, CC_MASK_NZ);
-       cris_alu(dc, CC_OP_AND,
-                   cpu_R[dc->op2], cpu_T[0], cpu_T[1],
-                   memsize_zz(dc));
+       cris_alu(dc, CC_OP_AND, cpu_R[dc->op2], t[0], t[1], memsize_zz(dc));
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_add_m(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_zz(dc);
        int insn_len;
        DIS(fprintf (logfile, "add.%d [$r%u%s, $r%u\n",
@@ -2493,17 +2539,19 @@
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2));
 
-       insn_len = dec_prep_alu_m(dc, 0, memsize);
+       cris_alu_m_alloc_temps(t);
+       insn_len = dec_prep_alu_m(dc, 0, memsize, t[0], t[1]);
        cris_cc_mask(dc, CC_MASK_NZVC);
        cris_alu(dc, CC_OP_ADD,
-                   cpu_R[dc->op2], cpu_T[0], cpu_T[1],
-                   memsize_zz(dc));
+                cpu_R[dc->op2], t[0], t[1], memsize_zz(dc));
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_addo_m(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_zz(dc);
        int insn_len;
        DIS(fprintf (logfile, "add.%d [$r%u%s, $r%u\n",
@@ -2511,16 +2559,18 @@
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2));
 
-       insn_len = dec_prep_alu_m(dc, 1, memsize);
+       cris_alu_m_alloc_temps(t);
+       insn_len = dec_prep_alu_m(dc, 1, memsize, t[0], t[1]);
        cris_cc_mask(dc, 0);
-       cris_alu(dc, CC_OP_ADD,
-                   cpu_R[R_ACR], cpu_T[0], cpu_T[1], 4);
+       cris_alu(dc, CC_OP_ADD, cpu_R[R_ACR], t[0], t[1], 4);
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_bound_m(DisasContext *dc)
 {
+       TCGv l[2];
        int memsize = memsize_zz(dc);
        int insn_len;
        DIS(fprintf (logfile, "bound.%d [$r%u%s, $r%u\n",
@@ -2528,32 +2578,38 @@
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2));
 
-       insn_len = dec_prep_alu_m(dc, 0, memsize);
+       l[0] = tcg_temp_local_new(TCG_TYPE_TL);
+       l[1] = tcg_temp_local_new(TCG_TYPE_TL);
+       insn_len = dec_prep_alu_m(dc, 0, memsize, l[0], l[1]);
        cris_cc_mask(dc, CC_MASK_NZ);
-       cris_alu(dc, CC_OP_BOUND,
-                   cpu_R[dc->op2], cpu_T[0], cpu_T[1], 4);
+       cris_alu(dc, CC_OP_BOUND, cpu_R[dc->op2], l[0], l[1], 4);
        do_postinc(dc, memsize);
+       tcg_temp_free(l[0]);
+       tcg_temp_free(l[1]);
        return insn_len;
 }
 
 static unsigned int dec_addc_mr(DisasContext *dc)
 {
+       TCGv t[2];
        int insn_len = 2;
        DIS(fprintf (logfile, "addc [$r%u%s, $r%u\n",
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2));
 
        cris_evaluate_flags(dc);
-       insn_len = dec_prep_alu_m(dc, 0, 4);
+       cris_alu_m_alloc_temps(t);
+       insn_len = dec_prep_alu_m(dc, 0, 4, t[0], t[1]);
        cris_cc_mask(dc, CC_MASK_NZVC);
-       cris_alu(dc, CC_OP_ADDC,
-                   cpu_R[dc->op2], cpu_T[0], cpu_T[1], 4);
+       cris_alu(dc, CC_OP_ADDC, cpu_R[dc->op2], t[0], t[1], 4);
        do_postinc(dc, 4);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_sub_m(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_zz(dc);
        int insn_len;
        DIS(fprintf (logfile, "sub.%c [$r%u%s, $r%u ir=%x zz=%x\n",
@@ -2561,16 +2617,18 @@
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2, dc->ir, dc->zzsize));
 
-       insn_len = dec_prep_alu_m(dc, 0, memsize);
+       cris_alu_m_alloc_temps(t);
+       insn_len = dec_prep_alu_m(dc, 0, memsize, t[0], t[1]);
        cris_cc_mask(dc, CC_MASK_NZVC);
-       cris_alu(dc, CC_OP_SUB,
-                   cpu_R[dc->op2], cpu_T[0], cpu_T[1], memsize);
+       cris_alu(dc, CC_OP_SUB, cpu_R[dc->op2], t[0], t[1], memsize);
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_or_m(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_zz(dc);
        int insn_len;
        DIS(fprintf (logfile, "or.%d [$r%u%s, $r%u pc=%x\n",
@@ -2578,16 +2636,19 @@
                    dc->op1, dc->postinc ? "+]" : "]",
                    dc->op2, dc->pc));
 
-       insn_len = dec_prep_alu_m(dc, 0, memsize);
+       cris_alu_m_alloc_temps(t);
+       insn_len = dec_prep_alu_m(dc, 0, memsize, t[0], t[1]);
        cris_cc_mask(dc, CC_MASK_NZ);
        cris_alu(dc, CC_OP_OR,
-                   cpu_R[dc->op2], cpu_T[0], cpu_T[1], memsize_zz(dc));
+                   cpu_R[dc->op2], t[0], t[1], memsize_zz(dc));
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_move_mp(DisasContext *dc)
 {
+       TCGv t[2];
        int memsize = memsize_zz(dc);
        int insn_len = 2;
 
@@ -2597,26 +2658,29 @@
                    dc->postinc ? "+]" : "]",
                    dc->op2));
 
-       insn_len = dec_prep_alu_m(dc, 0, memsize);
+       cris_alu_m_alloc_temps(t);
+       insn_len = dec_prep_alu_m(dc, 0, memsize, t[0], t[1]);
        cris_cc_mask(dc, 0);
        if (dc->op2 == PR_CCS) {
                cris_evaluate_flags(dc);
                if (dc->tb_flags & U_FLAG) {
                        /* User space is not allowed to touch all flags.  */
-                       tcg_gen_andi_tl(cpu_T[1], cpu_T[1], 0x39f);
-                       tcg_gen_andi_tl(cpu_T[0], cpu_PR[PR_CCS], ~0x39f);
-                       tcg_gen_or_tl(cpu_T[1], cpu_T[0], cpu_T[1]);
+                       tcg_gen_andi_tl(t[1], t[1], 0x39f);
+                       tcg_gen_andi_tl(t[0], cpu_PR[PR_CCS], ~0x39f);
+                       tcg_gen_or_tl(t[1], t[0], t[1]);
                }
        }
 
-       t_gen_mov_preg_TN(dc, dc->op2, cpu_T[1]);
+       t_gen_mov_preg_TN(dc, dc->op2, t[1]);
 
        do_postinc(dc, memsize);
+       cris_alu_m_free_temps(t);
        return insn_len;
 }
 
 static unsigned int dec_move_pm(DisasContext *dc)
 {
+       TCGv t0;
        int memsize;
 
        memsize = preg_sizes[dc->op2];
@@ -2628,9 +2692,11 @@
        /* prepare store. Address in T0, value in T1.  */
        if (dc->op2 == PR_CCS)
                cris_evaluate_flags(dc);
-       t_gen_mov_TN_preg(cpu_T[1], dc->op2);
+       t0 = tcg_temp_new(TCG_TYPE_TL);
+       t_gen_mov_TN_preg(t0, dc->op2);
        cris_flush_cc_state(dc);
-       gen_store(dc, cpu_R[dc->op1], cpu_T[1], memsize);
+       gen_store(dc, cpu_R[dc->op1], t0, memsize);
+       tcg_temp_free(t0);
 
        cris_cc_mask(dc, 0);
        if (dc->postinc)
@@ -2641,24 +2707,27 @@
 static unsigned int dec_movem_mr(DisasContext *dc)
 {
        TCGv tmp[16];
+       TCGv addr;
        int i;
        int nr = dc->op2 + 1;
 
        DIS(fprintf (logfile, "movem [$r%u%s, $r%u\n", dc->op1,
                    dc->postinc ? "+]" : "]", dc->op2));
 
+       addr = tcg_temp_new(TCG_TYPE_TL);
        /* There are probably better ways of doing this.  */
        cris_flush_cc_state(dc);
        for (i = 0; i < (nr >> 1); i++) {
                tmp[i] = tcg_temp_new(TCG_TYPE_I64);
-               tcg_gen_addi_tl(cpu_T[0], cpu_R[dc->op1], i * 8);
-               gen_load(dc, tmp[i], cpu_T[0], 8, 0);
+               tcg_gen_addi_tl(addr, cpu_R[dc->op1], i * 8);
+               gen_load(dc, tmp[i], addr, 8, 0);
        }
        if (nr & 1) {
                tmp[i] = tcg_temp_new(TCG_TYPE_I32);
-               tcg_gen_addi_tl(cpu_T[0], cpu_R[dc->op1], i * 8);
-               gen_load(dc, tmp[i], cpu_T[0], 4, 0);
+               tcg_gen_addi_tl(addr, cpu_R[dc->op1], i * 8);
+               gen_load(dc, tmp[i], addr, 4, 0);
        }
+       tcg_temp_free(addr);
 
        for (i = 0; i < (nr >> 1); i++) {
                tcg_gen_trunc_i64_i32(cpu_R[i * 2], tmp[i]);
@@ -2683,6 +2752,7 @@
 static unsigned int dec_movem_rm(DisasContext *dc)
 {
        TCGv tmp;
+       TCGv addr;
        int i;
 
        DIS(fprintf (logfile, "movem $r%u, [$r%u%s\n", dc->op2, dc->op1,
@@ -2691,18 +2761,20 @@
        cris_flush_cc_state(dc);
 
        tmp = tcg_temp_new(TCG_TYPE_TL);
+       addr = tcg_temp_new(TCG_TYPE_TL);
        tcg_gen_movi_tl(tmp, 4);
-       tcg_gen_mov_tl(cpu_T[0], cpu_R[dc->op1]);
+       tcg_gen_mov_tl(addr, cpu_R[dc->op1]);
        for (i = 0; i <= dc->op2; i++) {
                /* Displace addr.  */
                /* Perform the store.  */
-               gen_store(dc, cpu_T[0], cpu_R[i], 4);
-               tcg_gen_add_tl(cpu_T[0], cpu_T[0], tmp);
+               gen_store(dc, addr, cpu_R[i], 4);
+               tcg_gen_add_tl(addr, addr, tmp);
        }
        if (dc->postinc)
-               tcg_gen_mov_tl(cpu_R[dc->op1], cpu_T[0]);
+               tcg_gen_mov_tl(cpu_R[dc->op1], addr);
        cris_cc_mask(dc, 0);
        tcg_temp_free(tmp);
+       tcg_temp_free(addr);
        return 2;
 }
 
@@ -2759,9 +2831,9 @@
 
        if (dc->op2 == PR_CCS)
                cris_evaluate_flags(dc);
-       t_gen_mov_TN_preg(cpu_T[0], dc->op2);
+       t_gen_mov_TN_preg(env_btarget, dc->op2);
        /* rete will often have low bit set to indicate delayslot.  */
-       tcg_gen_andi_tl(env_btarget, cpu_T[0], ~1);
+       tcg_gen_andi_tl(env_btarget, env_btarget, ~1);
        cris_cc_mask(dc, 0);
        cris_prepare_jmp(dc, JMP_INDIRECT);
        return 2;
@@ -3429,16 +3501,6 @@
        tcg_initialized = 1;
 
        cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env");
-#if TARGET_LONG_BITS > HOST_LONG_BITS
-       cpu_T[0] = tcg_global_mem_new(TCG_TYPE_TL, 
-                                     TCG_AREG0, offsetof(CPUState, t0), "T0");
-       cpu_T[1] = tcg_global_mem_new(TCG_TYPE_TL,
-                                     TCG_AREG0, offsetof(CPUState, t1), "T1");
-#else
-       cpu_T[0] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG1, "T0");
-       cpu_T[1] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG2, "T1");
-#endif
-
        cc_x = tcg_global_mem_new(TCG_TYPE_TL, TCG_AREG0,
                                  offsetof(CPUState, cc_x), "cc_x");
        cc_src = tcg_global_mem_new(TCG_TYPE_TL, TCG_AREG0,






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