-rw-r--r-- | lib/lightning.c | 148 |
diff --git a/lib/lightning.c b/lib/lightning.c index 51456be..d219e6d 100644 --- a/lib/lightning.c +++ b/lib/lightning.c @@ -1139,6 +1139,20 @@ _jit_new_node_qww(jit_state_t *_jit, jit_code_t code, } jit_node_t * +_jit_new_node_wwq(jit_state_t *_jit, jit_code_t code, + jit_word_t u, jit_word_t v, + jit_int32_t l, jit_int32_t h) +{ + jit_node_t *node = new_node(code); + assert(!_jitc->realize); + node->u.w = u; + node->v.w = v; + node->w.q.l = l; + node->w.q.h = h; + return (link_node(node)); +} + +jit_node_t * _jit_new_node_wwf(jit_state_t *_jit, jit_code_t code, jit_word_t u, jit_word_t v, jit_float32_t w) { @@ -1539,6 +1553,14 @@ _jit_classify(jit_state_t *_jit, jit_code_t code) case jit_code_movnr: case jit_code_movzr: mask = jit_cc_a0_reg|jit_cc_a0_cnd|jit_cc_a1_reg|jit_cc_a2_reg; break; + case jit_code_casr: + mask = jit_cc_a0_reg|jit_cc_a0_chg|jit_cc_a1_reg| + jit_cc_a2_reg|jit_cc_a2_rlh; + break; + case jit_code_casi: + mask = jit_cc_a0_reg|jit_cc_a0_chg|jit_cc_a1_int| + jit_cc_a2_reg|jit_cc_a2_rlh; + break; default: abort(); } @@ -1806,13 +1828,24 @@ _jit_reglive(jit_state_t *_jit, jit_node_t *node) else jit_regset_setbit(&_jitc->reglive, node->v.w); } - if ((value & jit_cc_a2_reg) && !(node->w.w & jit_regno_patch)) { - if (value & jit_cc_a2_chg) { - jit_regset_clrbit(&_jitc->reglive, node->w.w); - jit_regset_setbit(&_jitc->regmask, node->w.w); + if (value & jit_cc_a2_reg) { + if (value & jit_cc_a2_rlh) { + /* Assume registers are not changed */ + if (!(node->w.q.l & jit_regno_patch)) + jit_regset_setbit(&_jitc->reglive, node->w.q.l); + if (!(node->w.q.h & jit_regno_patch)) + jit_regset_setbit(&_jitc->reglive, node->w.q.h); + } + else { + if (!(node->w.w & jit_regno_patch)) { + if (value & jit_cc_a2_chg) { + jit_regset_clrbit(&_jitc->reglive, node->w.w); + jit_regset_setbit(&_jitc->regmask, node->w.w); + } + else + jit_regset_setbit(&_jitc->reglive, node->w.w); + } } - else - jit_regset_setbit(&_jitc->reglive, node->w.w); } if (jit_regset_set_p(&_jitc->regmask)) { jit_update(node->next, &_jitc->reglive, &_jitc->regmask); @@ -1843,8 +1876,14 @@ _jit_regarg_set(jit_state_t *_jit, jit_node_t *node, jit_int32_t value) } if (value & jit_cc_a1_reg) jit_regset_setbit(&_jitc->regarg, jit_regno(node->v.w)); - if (value & jit_cc_a2_reg) - jit_regset_setbit(&_jitc->regarg, jit_regno(node->w.w)); + if (value & jit_cc_a2_reg) { + if (value & jit_cc_a2_rlh) { + jit_regset_setbit(&_jitc->regarg, jit_regno(node->w.q.l)); + jit_regset_setbit(&_jitc->regarg, jit_regno(node->w.q.h)); + } + else + jit_regset_setbit(&_jitc->regarg, jit_regno(node->w.w)); + } } void @@ -1863,8 +1902,14 @@ _jit_regarg_clr(jit_state_t *_jit, jit_node_t *node, jit_int32_t value) } if (value & jit_cc_a1_reg) jit_regset_clrbit(&_jitc->regarg, jit_regno(node->v.w)); - if (value & jit_cc_a2_reg) - jit_regset_clrbit(&_jitc->regarg, jit_regno(node->w.w)); + if (value & jit_cc_a2_reg) { + if (value & jit_cc_a2_rlh) { + jit_regset_clrbit(&_jitc->regarg, jit_regno(node->w.q.l)); + jit_regset_clrbit(&_jitc->regarg, jit_regno(node->w.q.h)); + } + else + jit_regset_clrbit(&_jitc->regarg, jit_regno(node->w.w)); + } } void @@ -2302,11 +2347,26 @@ _jit_follow(jit_state_t *_jit, jit_block_t *block, jit_bool_t *todo) default: value = jit_classify(node->code); if (value & jit_cc_a2_reg) { - if (!(node->w.w & jit_regno_patch)) { - if (jit_regset_tstbit(®mask, node->w.w)) { - jit_regset_clrbit(®mask, node->w.w); - if (!(value & jit_cc_a2_chg)) - jit_regset_setbit(®live, node->w.w); + if (value & jit_cc_a2_rlh) { + if (!(node->w.q.l & jit_regno_patch)) { + /* Assume register is not changed */ + if (jit_regset_tstbit(®mask, node->w.q.l)) + jit_regset_clrbit(®mask, node->w.q.l); + } + if (!(node->w.q.h & jit_regno_patch)) { + if (jit_regset_tstbit(®mask, node->w.q.h)) + jit_regset_clrbit(®mask, node->w.q.h); + } + } + else { + if (value & jit_cc_a2_reg) { + if (!(node->w.w & jit_regno_patch)) { + if (jit_regset_tstbit(®mask, node->w.w)) { + jit_regset_clrbit(®mask, node->w.w); + if (!(value & jit_cc_a2_chg)) + jit_regset_setbit(®live, node->w.w); + } + } } } } @@ -2453,11 +2513,24 @@ _jit_update(jit_state_t *_jit, jit_node_t *node, default: value = jit_classify(node->code); if (value & jit_cc_a2_reg) { - if (!(node->w.w & jit_regno_patch)) { - if (jit_regset_tstbit(mask, node->w.w)) { - jit_regset_clrbit(mask, node->w.w); - if (!(value & jit_cc_a2_chg)) - jit_regset_setbit(live, node->w.w); + if (value & jit_cc_a2_rlh) { + if (!(node->w.q.l & jit_regno_patch)) { + /* Assume register is not changed */ + if (jit_regset_tstbit(mask, node->w.q.l)) + jit_regset_clrbit(mask, node->w.q.l); + } + if (!(node->w.q.h & jit_regno_patch)) { + if (jit_regset_tstbit(mask, node->w.q.h)) + jit_regset_clrbit(mask, node->w.q.h); + } + } + else { + if (!(node->w.w & jit_regno_patch)) { + if (jit_regset_tstbit(mask, node->w.w)) { + jit_regset_clrbit(mask, node->w.w); + if (!(value & jit_cc_a2_chg)) + jit_regset_setbit(live, node->w.w); + } } } } @@ -3298,9 +3371,24 @@ _simplify(jit_state_t *_jit) ++_jitc->gen[regno]; } if (info & jit_cc_a2_chg) { - regno = jit_regno(node->w.w); - _jitc->values[regno].kind = 0; - ++_jitc->gen[regno]; +#if 0 + /* Assume registers are not changed */ + if (info & jit_cc_a2_rlh) { + regno = jit_regno(node->w.q.l); + _jitc->values[regno].kind = 0; + ++_jitc->gen[regno]; + regno = jit_regno(node->w.q.h); + _jitc->values[regno].kind = 0; + ++_jitc->gen[regno]; + } + else { +#endif + regno = jit_regno(node->w.w); + _jitc->values[regno].kind = 0; + ++_jitc->gen[regno]; +#if 0 + } +#endif } break; } @@ -3505,8 +3593,18 @@ _patch_register(jit_state_t *_jit, jit_node_t *node, jit_node_t *link, } if ((value & jit_cc_a1_reg) && node->v.w == regno) node->v.w = patch; - if ((value & jit_cc_a2_reg) && node->w.w == regno) - node->w.w = patch; + if (value & jit_cc_a2_reg) { + if (value & jit_cc_a2_rlh) { + if (node->w.q.l == regno) + node->w.q.l = patch; + if (node->w.q.h == regno) + node->w.q.h = patch; + } + else { + if (node->w.w == regno) + node->w.w = patch; + } + } } } |