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[Qemu-devel] [4567] Relax a constraint for qemu_ld64 on ARM host.
From: |
Andrzej Zaborowski |
Subject: |
[Qemu-devel] [4567] Relax a constraint for qemu_ld64 on ARM host. |
Date: |
Sat, 24 May 2008 23:12:19 +0000 |
Revision: 4567
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4567
Author: balrog
Date: 2008-05-24 23:12:19 +0000 (Sat, 24 May 2008)
Log Message:
-----------
Relax a constraint for qemu_ld64 on ARM host.
Modified Paths:
--------------
trunk/tcg/arm/tcg-target.c
Modified: trunk/tcg/arm/tcg-target.c
===================================================================
--- trunk/tcg/arm/tcg-target.c 2008-05-24 22:56:51 UTC (rev 4566)
+++ trunk/tcg/arm/tcg-target.c 2008-05-24 23:12:19 UTC (rev 4567)
@@ -109,7 +109,7 @@
break;
#ifdef CONFIG_SOFTMMU
- /* qemu_ld/st inputs (unless 'X' or 'D') */
+ /* qemu_ld/st inputs (unless 'X', 'd' or 'D') */
case 'x':
ct->ct |= TCG_CT_REG;
tcg_regset_set32(ct->u.regs, 0, (1 << TCG_TARGET_NB_REGS) - 1);
@@ -117,6 +117,14 @@
tcg_regset_reset_reg(ct->u.regs, TCG_REG_R1);
break;
+ /* qemu_ld64 data_reg */
+ case 'd':
+ ct->ct |= TCG_CT_REG;
+ tcg_regset_set32(ct->u.regs, 0, (1 << TCG_TARGET_NB_REGS) - 1);
+ /* r1 is still needed to load data_reg2, so don't use it. */
+ tcg_regset_reset_reg(ct->u.regs, TCG_REG_R1);
+ break;
+
/* qemu_ld/st64 data_reg2 */
case 'D':
ct->ct |= TCG_CT_REG;
@@ -963,8 +971,9 @@
data_reg, 0, 0, SHIFT_IMM_LSL(0));
break;
case 3:
- tcg_out_dat_reg(s, cond, ARITH_MOV,
- data_reg, 0, 0, SHIFT_IMM_LSL(0));
+ if (data_reg != 0)
+ tcg_out_dat_reg(s, cond, ARITH_MOV,
+ data_reg, 0, 0, SHIFT_IMM_LSL(0));
if (data_reg2 != 1)
tcg_out_dat_reg(s, cond, ARITH_MOV,
data_reg2, 0, 1, SHIFT_IMM_LSL(0));
@@ -1497,7 +1506,7 @@
{ INDEX_op_qemu_ld16u, { "r", "x", "X" } },
{ INDEX_op_qemu_ld16s, { "r", "x", "X" } },
{ INDEX_op_qemu_ld32u, { "r", "x", "X" } },
- { INDEX_op_qemu_ld64, { "x", "r", "x", "X" } },
+ { INDEX_op_qemu_ld64, { "d", "r", "x", "X" } },
{ INDEX_op_qemu_st8, { "x", "x", "X" } },
{ INDEX_op_qemu_st16, { "x", "x", "X" } },
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