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[Qemu-devel] [5550] CRIS: Avoid more cpu_T usage.
|
From: |
Edgar E. Iglesias |
|
Subject: |
[Qemu-devel] [5550] CRIS: Avoid more cpu_T usage. |
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Date: |
Mon, 27 Oct 2008 16:46:29 +0000 |
Revision: 5550
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5550
Author: edgar_igl
Date: 2008-10-27 16:46:29 +0000 (Mon, 27 Oct 2008)
Log Message:
-----------
CRIS: Avoid more cpu_T usage.
* Explicit operand passing to prep_alu_r.
* Avoid some more cpu_T[] usage.
Signed-off-by: Edgar E. Iglesias <address@hidden>
Modified Paths:
--------------
trunk/target-cris/translate.c
Modified: trunk/target-cris/translate.c
===================================================================
--- trunk/target-cris/translate.c 2008-10-27 15:56:56 UTC (rev 5549)
+++ trunk/target-cris/translate.c 2008-10-27 16:46:29 UTC (rev 5550)
@@ -1342,14 +1342,14 @@
s_ext decides if the operand1 should be sign-extended or zero-extended when
needed. */
static void dec_prep_alu_r(DisasContext *dc, int rs, int rd,
- int size, int s_ext)
+ int size, int s_ext, TCGv dst, TCGv src)
{
- dec_prep_move_r(dc, rs, rd, size, s_ext, cpu_T[1]);
+ dec_prep_move_r(dc, rs, rd, size, s_ext, src);
if (s_ext)
- t_gen_sext(cpu_T[0], cpu_R[rd], size);
+ t_gen_sext(dst, cpu_R[rd], size);
else
- t_gen_zext(cpu_T[0], cpu_R[rd], size);
+ t_gen_zext(dst, cpu_R[rd], size);
}
static int dec_prep_move_m(DisasContext *dc, int s_ext, int memsize,
@@ -1459,6 +1459,7 @@
cris_cc_mask(dc, 0);
/* Fetch register operand, */
tcg_gen_addi_tl(cpu_R[R_ACR], cpu_R[dc->op2], imm);
+
return 2;
}
static unsigned int dec_addq(DisasContext *dc)
@@ -1639,102 +1640,135 @@
return 2;
}
+static inline void cris_alu_alloc_temps(DisasContext *dc, int size, TCGv *t)
+{
+ if (size == 4) {
+ t[0] = cpu_R[dc->op2];
+ t[1] = cpu_R[dc->op1];
+ } else {
+ t[0] = tcg_temp_new(TCG_TYPE_TL);
+ t[1] = tcg_temp_new(TCG_TYPE_TL);
+ }
+}
+
+static inline void cris_alu_free_temps(DisasContext *dc, int size, TCGv *t)
+{
+ if (size != 4) {
+ tcg_temp_free(t[0]);
+ tcg_temp_free(t[1]);
+ }
+}
+
static unsigned int dec_and_r(DisasContext *dc)
{
+ TCGv t[2];
int size = memsize_zz(dc);
DIS(fprintf (logfile, "and.%c $r%u, $r%u\n",
memsize_char(size), dc->op1, dc->op2));
+
cris_cc_mask(dc, CC_MASK_NZ);
- dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
- cris_alu(dc, CC_OP_AND,
- cpu_R[dc->op2],
- cpu_R[dc->op2], cpu_T[1], size);
+ cris_alu_alloc_temps(dc, size, t);
+ dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]);
+ cris_alu(dc, CC_OP_AND, cpu_R[dc->op2], t[0], t[1], size);
+ cris_alu_free_temps(dc, size, t);
return 2;
}
static unsigned int dec_lz_r(DisasContext *dc)
{
+ TCGv t0;
DIS(fprintf (logfile, "lz $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);
- cris_alu(dc, CC_OP_LZ,
- cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4);
+ t0 = tcg_temp_new(TCG_TYPE_TL);
+ dec_prep_alu_r(dc, dc->op1, dc->op2, 4, 0, cpu_R[dc->op2], t0);
+ cris_alu(dc, CC_OP_LZ, cpu_R[dc->op2], cpu_R[dc->op2], t0, 4);
+ tcg_temp_free(t0);
return 2;
}
static unsigned int dec_lsl_r(DisasContext *dc)
{
+ TCGv t[2];
int size = memsize_zz(dc);
DIS(fprintf (logfile, "lsl.%c $r%u, $r%u\n",
memsize_char(size), dc->op1, dc->op2));
+
cris_cc_mask(dc, CC_MASK_NZ);
- dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
- tcg_gen_andi_tl(cpu_T[1], cpu_T[1], 63);
-
- cris_alu(dc, CC_OP_LSL,
- cpu_R[dc->op2], cpu_T[0], cpu_T[1], size);
+ cris_alu_alloc_temps(dc, size, t);
+ dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]);
+ tcg_gen_andi_tl(t[1], t[1], 63);
+ cris_alu(dc, CC_OP_LSL, cpu_R[dc->op2], t[0], t[1], size);
+ cris_alu_alloc_temps(dc, size, t);
return 2;
}
static unsigned int dec_lsr_r(DisasContext *dc)
{
+ TCGv t[2];
int size = memsize_zz(dc);
DIS(fprintf (logfile, "lsr.%c $r%u, $r%u\n",
memsize_char(size), dc->op1, dc->op2));
+
cris_cc_mask(dc, CC_MASK_NZ);
- dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
- tcg_gen_andi_tl(cpu_T[1], cpu_T[1], 63);
-
- cris_alu(dc, CC_OP_LSR,
- cpu_R[dc->op2], cpu_T[0], cpu_T[1], size);
+ cris_alu_alloc_temps(dc, size, t);
+ dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]);
+ tcg_gen_andi_tl(t[1], t[1], 63);
+ cris_alu(dc, CC_OP_LSR, cpu_R[dc->op2], t[0], t[1], size);
+ cris_alu_free_temps(dc, size, t);
return 2;
}
static unsigned int dec_asr_r(DisasContext *dc)
{
+ TCGv t[2];
int size = memsize_zz(dc);
DIS(fprintf (logfile, "asr.%c $r%u, $r%u\n",
memsize_char(size), dc->op1, dc->op2));
+
cris_cc_mask(dc, CC_MASK_NZ);
- dec_prep_alu_r(dc, dc->op1, dc->op2, size, 1);
- tcg_gen_andi_tl(cpu_T[1], cpu_T[1], 63);
-
- cris_alu(dc, CC_OP_ASR,
- cpu_R[dc->op2], cpu_T[0], cpu_T[1], size);
+ cris_alu_alloc_temps(dc, size, t);
+ dec_prep_alu_r(dc, dc->op1, dc->op2, size, 1, t[0], t[1]);
+ tcg_gen_andi_tl(t[1], t[1], 63);
+ cris_alu(dc, CC_OP_ASR, cpu_R[dc->op2], t[0], t[1], size);
+ cris_alu_free_temps(dc, size, t);
return 2;
}
static unsigned int dec_muls_r(DisasContext *dc)
{
+ TCGv t[2];
int size = memsize_zz(dc);
DIS(fprintf (logfile, "muls.%c $r%u, $r%u\n",
memsize_char(size), dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZV);
- dec_prep_alu_r(dc, dc->op1, dc->op2, size, 1);
+ cris_alu_alloc_temps(dc, size, t);
+ dec_prep_alu_r(dc, dc->op1, dc->op2, size, 1, t[0], t[1]);
- cris_alu(dc, CC_OP_MULS,
- cpu_R[dc->op2], cpu_T[0], cpu_T[1], 4);
+ cris_alu(dc, CC_OP_MULS, cpu_R[dc->op2], t[0], t[1], 4);
+ cris_alu_free_temps(dc, size, t);
return 2;
}
static unsigned int dec_mulu_r(DisasContext *dc)
{
+ TCGv t[2];
int size = memsize_zz(dc);
DIS(fprintf (logfile, "mulu.%c $r%u, $r%u\n",
memsize_char(size), dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZV);
- dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
+ cris_alu_alloc_temps(dc, size, t);
+ dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]);
- cris_alu(dc, CC_OP_MULU,
- cpu_R[dc->op2], cpu_T[0], cpu_T[1], 4);
+ cris_alu(dc, CC_OP_MULU, cpu_R[dc->op2], t[0], t[1], 4);
+ cris_alu_alloc_temps(dc, size, t);
return 2;
}
@@ -1750,40 +1784,46 @@
static unsigned int dec_xor_r(DisasContext *dc)
{
+ TCGv t[2];
int size = memsize_zz(dc);
DIS(fprintf (logfile, "xor.%c $r%u, $r%u\n",
memsize_char(size), dc->op1, dc->op2));
BUG_ON(size != 4); /* xor is dword. */
cris_cc_mask(dc, CC_MASK_NZ);
- dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
+ cris_alu_alloc_temps(dc, size, t);
+ dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]);
- cris_alu(dc, CC_OP_XOR,
- cpu_R[dc->op2], cpu_T[0], cpu_T[1], 4);
+ cris_alu(dc, CC_OP_XOR, cpu_R[dc->op2], t[0], t[1], 4);
+ cris_alu_free_temps(dc, size, t);
return 2;
}
static unsigned int dec_bound_r(DisasContext *dc)
{
+ TCGv l0;
int size = memsize_zz(dc);
DIS(fprintf (logfile, "bound.%c $r%u, $r%u\n",
memsize_char(size), dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZ);
- dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, cpu_T[1]);
+ 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], cpu_T[1], 4);
+ cpu_R[dc->op2], cpu_R[dc->op2], l0, 4);
return 2;
}
static unsigned int dec_cmp_r(DisasContext *dc)
{
+ TCGv t[2];
int size = memsize_zz(dc);
DIS(fprintf (logfile, "cmp.%c $r%u, $r%u\n",
memsize_char(size), dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZVC);
- dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
+ cris_alu_alloc_temps(dc, size, t);
+ dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]);
- cris_alu(dc, CC_OP_CMP,
- cpu_R[dc->op2], cpu_T[0], cpu_T[1], size);
+ cris_alu(dc, CC_OP_CMP, cpu_R[dc->op2], t[0], t[1], size);
+ cris_alu_free_temps(dc, size, t);
return 2;
}
@@ -1808,14 +1848,16 @@
static unsigned int dec_add_r(DisasContext *dc)
{
+ TCGv t[2];
int size = memsize_zz(dc);
DIS(fprintf (logfile, "add.%c $r%u, $r%u\n",
memsize_char(size), dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZVC);
- dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
+ cris_alu_alloc_temps(dc, size, t);
+ dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]);
- cris_alu(dc, CC_OP_ADD,
- cpu_R[dc->op2], cpu_T[0], cpu_T[1], size);
+ cris_alu(dc, CC_OP_ADD, cpu_R[dc->op2], t[0], t[1], size);
+ cris_alu_free_temps(dc, size, t);
return 2;
}
@@ -1825,9 +1867,8 @@
dc->op1, dc->op2));
cris_evaluate_flags(dc);
cris_cc_mask(dc, CC_MASK_NZVC);
- dec_prep_alu_r(dc, dc->op1, dc->op2, 4, 0);
cris_alu(dc, CC_OP_ADDC,
- cpu_R[dc->op2], cpu_T[0], cpu_T[1], 4);
+ cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op1], 4);
return 2;
}
@@ -1860,6 +1901,7 @@
static unsigned int dec_swap_r(DisasContext *dc)
{
+ TCGv t0;
#if DISAS_CRIS
char modename[4];
#endif
@@ -1867,64 +1909,72 @@
swapmode_name(dc->op2, modename), dc->op1));
cris_cc_mask(dc, CC_MASK_NZ);
- t_gen_mov_TN_reg(cpu_T[0], dc->op1);
+ t0 = tcg_temp_new(TCG_TYPE_TL);
+ t_gen_mov_TN_reg(t0, dc->op1);
if (dc->op2 & 8)
- tcg_gen_not_tl(cpu_T[0], cpu_T[0]);
+ tcg_gen_not_tl(t0, t0);
if (dc->op2 & 4)
- t_gen_swapw(cpu_T[0], cpu_T[0]);
+ t_gen_swapw(t0, t0);
if (dc->op2 & 2)
- t_gen_swapb(cpu_T[0], cpu_T[0]);
+ t_gen_swapb(t0, t0);
if (dc->op2 & 1)
- t_gen_swapr(cpu_T[0], cpu_T[0]);
+ t_gen_swapr(t0, t0);
cris_alu(dc, CC_OP_MOVE,
- cpu_R[dc->op1], cpu_R[dc->op1], cpu_T[0], 4);
-
+ cpu_R[dc->op1], cpu_R[dc->op1], t0, 4);
return 2;
}
static unsigned int dec_or_r(DisasContext *dc)
{
+ TCGv t[2];
int size = memsize_zz(dc);
DIS(fprintf (logfile, "or.%c $r%u, $r%u\n",
memsize_char(size), dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZ);
- dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
-
- cris_alu(dc, CC_OP_OR,
- cpu_R[dc->op2], cpu_T[0], cpu_T[1], size);
+ cris_alu_alloc_temps(dc, size, t);
+ dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]);
+ cris_alu(dc, CC_OP_OR, cpu_R[dc->op2], t[0], t[1], size);
+ cris_alu_free_temps(dc, size, t);
return 2;
}
static unsigned int dec_addi_r(DisasContext *dc)
{
+ TCGv t0;
DIS(fprintf (logfile, "addi.%c $r%u, $r%u\n",
memsize_char(memsize_zz(dc)), dc->op2, dc->op1));
cris_cc_mask(dc, 0);
- tcg_gen_shl_tl(cpu_T[0], cpu_R[dc->op2], tcg_const_tl(dc->zzsize));
- tcg_gen_add_tl(cpu_R[dc->op1], cpu_R[dc->op1], cpu_T[0]);
+ t0 = tcg_temp_new(TCG_TYPE_TL);
+ tcg_gen_shl_tl(t0, cpu_R[dc->op2], tcg_const_tl(dc->zzsize));
+ tcg_gen_add_tl(cpu_R[dc->op1], cpu_R[dc->op1], t0);
return 2;
}
static unsigned int dec_addi_acr(DisasContext *dc)
{
+ TCGv t0;
DIS(fprintf (logfile, "addi.%c $r%u, $r%u, $acr\n",
memsize_char(memsize_zz(dc)), dc->op2, dc->op1));
cris_cc_mask(dc, 0);
- tcg_gen_shl_tl(cpu_T[0], cpu_R[dc->op2], tcg_const_tl(dc->zzsize));
- tcg_gen_add_tl(cpu_R[R_ACR], cpu_R[dc->op1], cpu_T[0]);
+ t0 = tcg_temp_new(TCG_TYPE_TL);
+ tcg_gen_shl_tl(t0, cpu_R[dc->op2], tcg_const_tl(dc->zzsize));
+ tcg_gen_add_tl(cpu_R[R_ACR], cpu_R[dc->op1], t0);
+
return 2;
}
static unsigned int dec_neg_r(DisasContext *dc)
{
+ TCGv t[2];
int size = memsize_zz(dc);
DIS(fprintf (logfile, "neg.%c $r%u, $r%u\n",
memsize_char(size), dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZVC);
- dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
+ cris_alu_alloc_temps(dc, size, t);
+ dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]);
- cris_alu(dc, CC_OP_NEG,
- cpu_R[dc->op2], cpu_T[0], cpu_T[1], size);
+ cris_alu(dc, CC_OP_NEG, cpu_R[dc->op2], t[0], t[1], size);
+ cris_alu_free_temps(dc, size, t);
return 2;
}
@@ -1933,7 +1983,7 @@
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);
+ 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);
@@ -1945,108 +1995,127 @@
static unsigned int dec_sub_r(DisasContext *dc)
{
+ TCGv t[2];
int size = memsize_zz(dc);
DIS(fprintf (logfile, "sub.%c $r%u, $r%u\n",
memsize_char(size), dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZVC);
- dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0);
- cris_alu(dc, CC_OP_SUB,
- cpu_R[dc->op2], cpu_T[0], cpu_T[1], size);
+ cris_alu_alloc_temps(dc, size, t);
+ dec_prep_alu_r(dc, dc->op1, dc->op2, size, 0, t[0], t[1]);
+ cris_alu(dc, CC_OP_SUB, cpu_R[dc->op2], t[0], t[1], size);
+ cris_alu_free_temps(dc, size, t);
return 2;
}
/* Zero extension. From size to dword. */
static unsigned int dec_movu_r(DisasContext *dc)
{
+ TCGv t0;
int size = memsize_z(dc);
DIS(fprintf (logfile, "movu.%c $r%u, $r%u\n",
memsize_char(size),
dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZ);
- dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, cpu_T[1]);
- cris_alu(dc, CC_OP_MOVE,
- cpu_R[dc->op2], cpu_T[0], cpu_T[1], 4);
+ t0 = tcg_temp_new(TCG_TYPE_TL);
+ dec_prep_move_r(dc, dc->op1, dc->op2, size, 0, t0);
+ cris_alu(dc, CC_OP_MOVE, cpu_R[dc->op2], cpu_R[dc->op2], t0, 4);
+ tcg_temp_free(t0);
return 2;
}
/* Sign extension. From size to dword. */
static unsigned int dec_movs_r(DisasContext *dc)
{
+ TCGv t0;
int size = memsize_z(dc);
DIS(fprintf (logfile, "movs.%c $r%u, $r%u\n",
memsize_char(size),
dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZ);
+ t0 = tcg_temp_new(TCG_TYPE_TL);
/* Size can only be qi or hi. */
- t_gen_sext(cpu_T[1], cpu_R[dc->op1], size);
+ t_gen_sext(t0, cpu_R[dc->op1], size);
cris_alu(dc, CC_OP_MOVE,
- cpu_R[dc->op2], cpu_R[dc->op1], cpu_T[1], 4);
+ cpu_R[dc->op2], cpu_R[dc->op1], t0, 4);
+ tcg_temp_free(t0);
return 2;
}
/* zero extension. From size to dword. */
static unsigned int dec_addu_r(DisasContext *dc)
{
+ TCGv t0;
int size = memsize_z(dc);
DIS(fprintf (logfile, "addu.%c $r%u, $r%u\n",
memsize_char(size),
dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZVC);
+ t0 = tcg_temp_new(TCG_TYPE_TL);
/* Size can only be qi or hi. */
- t_gen_zext(cpu_T[1], cpu_R[dc->op1], size);
+ t_gen_zext(t0, cpu_R[dc->op1], size);
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], t0, 4);
+ tcg_temp_free(t0);
return 2;
}
/* Sign extension. From size to dword. */
static unsigned int dec_adds_r(DisasContext *dc)
{
+ TCGv t0;
int size = memsize_z(dc);
DIS(fprintf (logfile, "adds.%c $r%u, $r%u\n",
memsize_char(size),
dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZVC);
+ t0 = tcg_temp_new(TCG_TYPE_TL);
/* Size can only be qi or hi. */
- t_gen_sext(cpu_T[1], cpu_R[dc->op1], size);
+ t_gen_sext(t0, cpu_R[dc->op1], size);
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], t0, 4);
+ tcg_temp_free(t0);
return 2;
}
/* Zero extension. From size to dword. */
static unsigned int dec_subu_r(DisasContext *dc)
{
+ TCGv t0;
int size = memsize_z(dc);
DIS(fprintf (logfile, "subu.%c $r%u, $r%u\n",
memsize_char(size),
dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZVC);
+ t0 = tcg_temp_new(TCG_TYPE_TL);
/* Size can only be qi or hi. */
- t_gen_zext(cpu_T[1], cpu_R[dc->op1], size);
+ t_gen_zext(t0, cpu_R[dc->op1], size);
cris_alu(dc, CC_OP_SUB,
- cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4);
+ cpu_R[dc->op2], cpu_R[dc->op2], t0, 4);
+ tcg_temp_free(t0);
return 2;
}
/* Sign extension. From size to dword. */
static unsigned int dec_subs_r(DisasContext *dc)
{
+ TCGv t0;
int size = memsize_z(dc);
DIS(fprintf (logfile, "subs.%c $r%u, $r%u\n",
memsize_char(size),
dc->op1, dc->op2));
cris_cc_mask(dc, CC_MASK_NZVC);
+ t0 = tcg_temp_new(TCG_TYPE_TL);
/* Size can only be qi or hi. */
- t_gen_sext(cpu_T[1], cpu_R[dc->op1], size);
+ t_gen_sext(t0, cpu_R[dc->op1], size);
cris_alu(dc, CC_OP_SUB,
- cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], 4);
+ cpu_R[dc->op2], cpu_R[dc->op2], t0, 4);
+ tcg_temp_free(t0);
return 2;
}
@@ -2055,6 +2124,7 @@
uint32_t flags;
int set = (~dc->opcode >> 2) & 1;
+
flags = (EXTRACT_FIELD(dc->ir, 12, 15) << 4)
| EXTRACT_FIELD(dc->ir, 0, 3);
if (set && flags == 0) {
@@ -2069,7 +2139,7 @@
flags));
}
- /* User space is not allowed to touch these. Silently ignore. */
+ /* User space is not allowed to touch these. Silently ignore. */
if (dc->tb_flags & U_FLAG) {
flags &= ~(S_FLAG | I_FLAG | U_FLAG);
}
@@ -2138,41 +2208,48 @@
static unsigned int dec_move_rp(DisasContext *dc)
{
+ TCGv t[2];
DIS(fprintf (logfile, "move $r%u, $p%u\n", dc->op1, dc->op2));
cris_cc_mask(dc, 0);
+ t[0] = tcg_temp_new(TCG_TYPE_TL);
if (dc->op2 == PR_CCS) {
cris_evaluate_flags(dc);
- t_gen_mov_TN_reg(cpu_T[0], dc->op1);
+ t_gen_mov_TN_reg(t[0], dc->op1);
if (dc->tb_flags & U_FLAG) {
+ t[1] = tcg_temp_new(TCG_TYPE_TL);
/* User space is not allowed to touch all flags. */
- tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x39f);
- tcg_gen_andi_tl(cpu_T[1], cpu_PR[PR_CCS], ~0x39f);
- tcg_gen_or_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
+ tcg_gen_andi_tl(t[0], t[0], 0x39f);
+ tcg_gen_andi_tl(t[1], cpu_PR[PR_CCS], ~0x39f);
+ tcg_gen_or_tl(t[0], t[1], t[0]);
+ tcg_temp_free(t[1]);
}
}
else
- t_gen_mov_TN_reg(cpu_T[0], dc->op1);
+ t_gen_mov_TN_reg(t[0], dc->op1);
- t_gen_mov_preg_TN(dc, dc->op2, cpu_T[0]);
+ t_gen_mov_preg_TN(dc, dc->op2, t[0]);
if (dc->op2 == PR_CCS) {
cris_update_cc_op(dc, CC_OP_FLAGS, 4);
dc->flags_uptodate = 1;
}
+ tcg_temp_free(t[0]);
return 2;
}
static unsigned int dec_move_pr(DisasContext *dc)
{
+ TCGv t0;
DIS(fprintf (logfile, "move $p%u, $r%u\n", dc->op1, dc->op2));
cris_cc_mask(dc, 0);
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_alu(dc, CC_OP_MOVE,
- cpu_R[dc->op1], cpu_R[dc->op1], cpu_T[1],
- preg_sizes[dc->op2]);
+ cpu_R[dc->op1], cpu_R[dc->op1], t0, preg_sizes[dc->op2]);
+ tcg_temp_free(t0);
return 2;
}
@@ -2193,10 +2270,14 @@
cris_update_result(dc, cpu_R[dc->op2]);
}
else {
- insn_len = dec_prep_move_m(dc, 0, memsize, cpu_T[1]);
+ TCGv t0;
+
+ t0 = tcg_temp_new(TCG_TYPE_TL);
+ insn_len = dec_prep_move_m(dc, 0, memsize, t0);
cris_cc_mask(dc, CC_MASK_NZ);
cris_alu(dc, CC_OP_MOVE,
- cpu_R[dc->op2], cpu_R[dc->op2], cpu_T[1], memsize);
+ cpu_R[dc->op2], cpu_R[dc->op2], t0, memsize);
+ tcg_temp_free(t0);
}
do_postinc(dc, memsize);
return insn_len;
@@ -2838,13 +2919,11 @@
static unsigned int dec_ftag_fidx_d_m(DisasContext *dc)
{
- /* Ignore D-cache flushes. */
return 2;
}
static unsigned int dec_ftag_fidx_i_m(DisasContext *dc)
{
- /* Ignore I-cache flushes. */
return 2;
}
@@ -3207,7 +3286,8 @@
delay slots dont break. */
if (!(tb->pc & 1) && env->singlestep_enabled)
break;
- } while (!dc->is_jmp && gen_opc_ptr < gen_opc_end
+ } while (!dc->is_jmp && !dc->cpustate_changed
+ && gen_opc_ptr < gen_opc_end
&& (dc->pc < next_page_start)
&& num_insns < max_insns);
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- [Qemu-devel] [5550] CRIS: Avoid more cpu_T usage.,
Edgar E. Iglesias <=