Relax memory operations constraints

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4950 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
malc 2008-07-26 11:21:03 +00:00
parent b01d9fea6c
commit c070355d39

View File

@ -217,24 +217,12 @@ static int target_parse_constraint (TCGArgConstraint *ct, const char **pct_str)
tcg_regset_reset_reg (ct->u.regs, TCG_REG_R3);
tcg_regset_reset_reg (ct->u.regs, TCG_REG_R4);
break;
case 'K': /* qemu_st[8..32] constraint */
case 'S': /* qemu_st constraint */
ct->ct |= TCG_CT_REG;
tcg_regset_set32 (ct->u.regs, 0, 0xffffffff);
tcg_regset_reset_reg (ct->u.regs, TCG_REG_R3);
tcg_regset_reset_reg (ct->u.regs, TCG_REG_R4);
tcg_regset_reset_reg (ct->u.regs, TCG_REG_R5);
#if TARGET_LONG_BITS == 64
tcg_regset_reset_reg (ct->u.regs, TCG_REG_R6);
#endif
break;
case 'M': /* qemu_st64 constraint */
ct->ct |= TCG_CT_REG;
tcg_regset_set32 (ct->u.regs, 0, 0xffffffff);
tcg_regset_reset_reg (ct->u.regs, TCG_REG_R3);
tcg_regset_reset_reg (ct->u.regs, TCG_REG_R4);
tcg_regset_reset_reg (ct->u.regs, TCG_REG_R5);
tcg_regset_reset_reg (ct->u.regs, TCG_REG_R6);
tcg_regset_reset_reg (ct->u.regs, TCG_REG_R7);
break;
default:
return -1;
@ -1424,10 +1412,10 @@ static const TCGTargetOpDef ppc_op_defs[] = {
{ INDEX_op_qemu_ld32s, { "r", "L" } },
{ INDEX_op_qemu_ld64, { "r", "L" } },
{ INDEX_op_qemu_st8, { "K", "K" } },
{ INDEX_op_qemu_st16, { "K", "K" } },
{ INDEX_op_qemu_st32, { "K", "K" } },
{ INDEX_op_qemu_st64, { "M", "M", "M" } },
{ INDEX_op_qemu_st8, { "S", "S" } },
{ INDEX_op_qemu_st16, { "S", "S" } },
{ INDEX_op_qemu_st32, { "S", "S" } },
{ INDEX_op_qemu_st64, { "S", "S", "S" } },
{ INDEX_op_ext8s_i32, { "r", "r" } },
{ INDEX_op_ext16s_i32, { "r", "r" } },