#endif
static const int tcg_target_reg_alloc_order[] = {
- TCG_REG_R14,
+ TCG_REG_R14, /* call saved registers */
TCG_REG_R15,
TCG_REG_R16,
TCG_REG_R17,
TCG_REG_R21,
TCG_REG_R22,
TCG_REG_R23,
+ TCG_REG_R24,
+ TCG_REG_R25,
+ TCG_REG_R26,
+ TCG_REG_R27,
TCG_REG_R28,
TCG_REG_R29,
TCG_REG_R30,
TCG_REG_R31,
-#ifdef __APPLE__
+ TCG_REG_R12, /* call clobbered, non-arguments */
+ TCG_REG_R11,
TCG_REG_R2,
-#endif
- TCG_REG_R3,
- TCG_REG_R4,
- TCG_REG_R5,
- TCG_REG_R6,
- TCG_REG_R7,
- TCG_REG_R8,
+ TCG_REG_R10, /* call clobbered, arguments */
TCG_REG_R9,
- TCG_REG_R10,
-#ifndef __APPLE__
- TCG_REG_R11,
-#endif
- TCG_REG_R12,
- TCG_REG_R24,
- TCG_REG_R25,
- TCG_REG_R26,
- TCG_REG_R27
+ TCG_REG_R8,
+ TCG_REG_R7,
+ TCG_REG_R6,
+ TCG_REG_R5,
+ TCG_REG_R4,
+ TCG_REG_R3,
};
static const int tcg_target_call_iarg_regs[] = {
tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I64], 0, 0xffffffff);
tcg_regset_set32(tcg_target_call_clobber_regs, 0,
(1 << TCG_REG_R0) |
-#ifdef __APPLE__
(1 << TCG_REG_R2) |
-#endif
(1 << TCG_REG_R3) |
(1 << TCG_REG_R4) |
(1 << TCG_REG_R5) |
(1 << TCG_REG_R9) |
(1 << TCG_REG_R10) |
(1 << TCG_REG_R11) |
- (1 << TCG_REG_R12)
- );
+ (1 << TCG_REG_R12));
tcg_regset_clear(s->reserved_regs);
- tcg_regset_set_reg(s->reserved_regs, TCG_REG_R0);
- tcg_regset_set_reg(s->reserved_regs, TCG_REG_R1);
-#ifndef __APPLE__
- tcg_regset_set_reg(s->reserved_regs, TCG_REG_R2);
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_R0); /* tcg temp */
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_R1); /* stack pointer */
+#ifdef __APPLE__
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_R11); /* ??? */
+#else
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_R2); /* toc */
#endif
- tcg_regset_set_reg(s->reserved_regs, TCG_REG_R13);
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_R13); /* thread pointer */
tcg_add_target_add_op_defs(ppc_op_defs);
}