gwj / at91sam9263 · Commits

Commit 653ccb8099e0f87960dc363bf2d875edf0676e8b

Authored by blueswir1
1 parent b5fc09ae

Avoid some brconds 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4318 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 1 changed file with 12 additions and 24 deletions
target-sparc/translate.c
  View file @653ccb8
... ... @@ -379,9 +379,6 @@ static inline void gen_cc_C_add_xcc(TCGv dst, TCGv src1)
379 379 static inline void gen_cc_V_add_icc(TCGv dst, TCGv src1, TCGv src2)
380 380 {
381 381 TCGv r_temp;
382   - int l1;
383   -
384   - l1 = gen_new_label();
385 382  
386 383 r_temp = tcg_temp_new(TCG_TYPE_TL);
387 384 tcg_gen_xor_tl(r_temp, src1, src2);
... ... @@ -389,18 +386,15 @@ static inline void gen_cc_V_add_icc(TCGv dst, TCGv src1, TCGv src2)
389 386 tcg_gen_xor_tl(cpu_tmp0, src1, dst);
390 387 tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0);
391 388 tcg_gen_andi_tl(r_temp, r_temp, (1 << 31));
392   - tcg_gen_brcond_tl(TCG_COND_EQ, r_temp, tcg_const_tl(0), l1);
393   - tcg_gen_ori_i32(cpu_psr, cpu_psr, PSR_OVF);
394   - gen_set_label(l1);
  389 + tcg_gen_shri_tl(r_temp, r_temp, 31 - PSR_OVF_SHIFT);
  390 + tcg_gen_trunc_tl_i32(cpu_tmp32, r_temp);
  391 + tcg_gen_or_i32(cpu_psr, cpu_psr, cpu_tmp32);
395 392 }
396 393  
397 394 #ifdef TARGET_SPARC64
398 395 static inline void gen_cc_V_add_xcc(TCGv dst, TCGv src1, TCGv src2)
399 396 {
400 397 TCGv r_temp;
401   - int l1;
402   -
403   - l1 = gen_new_label();
404 398  
405 399 r_temp = tcg_temp_new(TCG_TYPE_TL);
406 400 tcg_gen_xor_tl(r_temp, src1, src2);
... ... @@ -408,9 +402,9 @@ static inline void gen_cc_V_add_xcc(TCGv dst, TCGv src1, TCGv src2)
408 402 tcg_gen_xor_tl(cpu_tmp0, src1, dst);
409 403 tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0);
410 404 tcg_gen_andi_tl(r_temp, r_temp, (1ULL << 63));
411   - tcg_gen_brcond_tl(TCG_COND_EQ, r_temp, tcg_const_tl(0), l1);
412   - tcg_gen_ori_i32(cpu_xcc, cpu_xcc, PSR_OVF);
413   - gen_set_label(l1);
  405 + tcg_gen_shri_tl(r_temp, r_temp, 63 - PSR_OVF_SHIFT);
  406 + tcg_gen_trunc_tl_i32(cpu_tmp32, r_temp);
  407 + tcg_gen_or_i32(cpu_xcc, cpu_xcc, cpu_tmp32);
414 408 }
415 409 #endif
416 410  
... ... @@ -570,36 +564,30 @@ static inline void gen_cc_C_sub_xcc(TCGv src1, TCGv src2)
570 564 static inline void gen_cc_V_sub_icc(TCGv dst, TCGv src1, TCGv src2)
571 565 {
572 566 TCGv r_temp;
573   - int l1;
574   -
575   - l1 = gen_new_label();
576 567  
577 568 r_temp = tcg_temp_new(TCG_TYPE_TL);
578 569 tcg_gen_xor_tl(r_temp, src1, src2);
579 570 tcg_gen_xor_tl(cpu_tmp0, src1, dst);
580 571 tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0);
581 572 tcg_gen_andi_tl(r_temp, r_temp, (1 << 31));
582   - tcg_gen_brcond_tl(TCG_COND_EQ, r_temp, tcg_const_tl(0), l1);
583   - tcg_gen_ori_i32(cpu_psr, cpu_psr, PSR_OVF);
584   - gen_set_label(l1);
  573 + tcg_gen_shri_tl(r_temp, r_temp, 31 - PSR_OVF_SHIFT);
  574 + tcg_gen_trunc_tl_i32(cpu_tmp32, r_temp);
  575 + tcg_gen_or_i32(cpu_psr, cpu_psr, cpu_tmp32);
585 576 }
586 577  
587 578 #ifdef TARGET_SPARC64
588 579 static inline void gen_cc_V_sub_xcc(TCGv dst, TCGv src1, TCGv src2)
589 580 {
590 581 TCGv r_temp;
591   - int l1;
592   -
593   - l1 = gen_new_label();
594 582  
595 583 r_temp = tcg_temp_new(TCG_TYPE_TL);
596 584 tcg_gen_xor_tl(r_temp, src1, src2);
597 585 tcg_gen_xor_tl(cpu_tmp0, src1, dst);
598 586 tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0);
599 587 tcg_gen_andi_tl(r_temp, r_temp, (1ULL << 63));
600   - tcg_gen_brcond_tl(TCG_COND_EQ, r_temp, tcg_const_tl(0), l1);
601   - tcg_gen_ori_i32(cpu_xcc, cpu_xcc, PSR_OVF);
602   - gen_set_label(l1);
  588 + tcg_gen_shri_tl(r_temp, r_temp, 63 - PSR_OVF_SHIFT);
  589 + tcg_gen_trunc_tl_i32(cpu_tmp32, r_temp);
  590 + tcg_gen_or_i32(cpu_xcc, cpu_xcc, cpu_tmp32);
603 591 }
604 592 #endif
605 593  
... ...