}
}
- cur->regmap[hr]=reg;
- cur->dirty&=~(1<<hr);
- cur->dirty|=dirty<<hr;
- cur->isconst&=~(1<<hr);
+ assert(n == hr || cur->regmap[hr] < 0 || !((cur->noevict >> hr) & 1));
+ cur->regmap[hr] = reg;
+ cur->dirty &= ~(1 << hr);
+ cur->dirty |= dirty << hr;
+ cur->isconst &= ~(1u << hr);
+ cur->noevict |= 1u << hr;
}
// Alloc cycle count into dedicated register
-static void alloc_cc(struct regstat *cur,int i)
+static void alloc_cc(struct regstat *cur, int i)
{
- alloc_arm_reg(cur,i,CCREG,HOST_CCREG);
+ alloc_arm_reg(cur, i, CCREG, HOST_CCREG);
+}
+
+static void alloc_cc_optional(struct regstat *cur, int i)
+{
+ if (cur->regmap[HOST_CCREG] < 0) {
+ alloc_arm_reg(cur, i, CCREG, HOST_CCREG);
+ cur->noevict &= ~(1u << HOST_CCREG);
+ }
}
/* Assembler */
emit_loadreg(CCREG,2);
emit_addimm(cc<0?2:cc,(int)stubs[n].d,2);
emit_far_call(handler);
+#if 0
+ if (type == LOADW_STUB) {
+ // new cycle_count returned in r2
+ emit_addimm(2, -(int)stubs[n].d, cc<0?2:cc);
+ if (cc < 0)
+ emit_storereg(CCREG, 2);
+ }
+#endif
if(dops[i].itype==C2LS||(rt>=0&&dops[i].rt1!=0)) {
mov_loadtype_adj(type,0,rt);
}
emit_far_call(handler);
+#if 0
+ if (type == LOADW_STUB) {
+ // new cycle_count returned in r2
+ emit_addimm(2, -adj, cc<0?2:cc);
+ if (cc < 0)
+ emit_storereg(CCREG, 2);
+ }
+#endif
if(rt>=0&&dops[i].rt1!=0) {
switch(type) {
case LOADB_STUB: emit_signextend8(0,rt); break;
if(cc<0)
emit_loadreg(CCREG,2);
emit_addimm(cc<0?2:cc,(int)stubs[n].d,2);
- // returns new cycle_count
emit_far_call(handler);
- emit_addimm(0,-(int)stubs[n].d,cc<0?2:cc);
+ // new cycle_count returned in r2
+ emit_addimm(2,-(int)stubs[n].d,cc<0?2:cc);
if(cc<0)
emit_storereg(CCREG,2);
if(restore_jump)
emit_loadreg(CCREG,2);
emit_addimm(cc<0?2:cc,adj,2);
emit_movimm((u_int)handler,3);
- // returns new cycle_count
emit_far_call(jump_handler_write_h);
- emit_addimm(0,-adj,cc<0?2:cc);
+ // new cycle_count returned in r2
+ emit_addimm(2,-adj,cc<0?2:cc);
if(cc<0)
emit_storereg(CCREG,2);
restore_regs(reglist);