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) @@ -379,9 +379,6 @@ static inline void gen_cc_C_add_xcc(TCGv dst, TCGv src1)
379 static inline void gen_cc_V_add_icc(TCGv dst, TCGv src1, TCGv src2) 379 static inline void gen_cc_V_add_icc(TCGv dst, TCGv src1, TCGv src2)
380 { 380 {
381 TCGv r_temp; 381 TCGv r_temp;
382 - int l1;  
383 -  
384 - l1 = gen_new_label();  
385 382
386 r_temp = tcg_temp_new(TCG_TYPE_TL); 383 r_temp = tcg_temp_new(TCG_TYPE_TL);
387 tcg_gen_xor_tl(r_temp, src1, src2); 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) @@ -389,18 +386,15 @@ static inline void gen_cc_V_add_icc(TCGv dst, TCGv src1, TCGv src2)
389 tcg_gen_xor_tl(cpu_tmp0, src1, dst); 386 tcg_gen_xor_tl(cpu_tmp0, src1, dst);
390 tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0); 387 tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0);
391 tcg_gen_andi_tl(r_temp, r_temp, (1 << 31)); 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 #ifdef TARGET_SPARC64 394 #ifdef TARGET_SPARC64
398 static inline void gen_cc_V_add_xcc(TCGv dst, TCGv src1, TCGv src2) 395 static inline void gen_cc_V_add_xcc(TCGv dst, TCGv src1, TCGv src2)
399 { 396 {
400 TCGv r_temp; 397 TCGv r_temp;
401 - int l1;  
402 -  
403 - l1 = gen_new_label();  
404 398
405 r_temp = tcg_temp_new(TCG_TYPE_TL); 399 r_temp = tcg_temp_new(TCG_TYPE_TL);
406 tcg_gen_xor_tl(r_temp, src1, src2); 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) @@ -408,9 +402,9 @@ static inline void gen_cc_V_add_xcc(TCGv dst, TCGv src1, TCGv src2)
408 tcg_gen_xor_tl(cpu_tmp0, src1, dst); 402 tcg_gen_xor_tl(cpu_tmp0, src1, dst);
409 tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0); 403 tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0);
410 tcg_gen_andi_tl(r_temp, r_temp, (1ULL << 63)); 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 #endif 409 #endif
416 410
@@ -570,36 +564,30 @@ static inline void gen_cc_C_sub_xcc(TCGv src1, TCGv src2) @@ -570,36 +564,30 @@ static inline void gen_cc_C_sub_xcc(TCGv src1, TCGv src2)
570 static inline void gen_cc_V_sub_icc(TCGv dst, TCGv src1, TCGv src2) 564 static inline void gen_cc_V_sub_icc(TCGv dst, TCGv src1, TCGv src2)
571 { 565 {
572 TCGv r_temp; 566 TCGv r_temp;
573 - int l1;  
574 -  
575 - l1 = gen_new_label();  
576 567
577 r_temp = tcg_temp_new(TCG_TYPE_TL); 568 r_temp = tcg_temp_new(TCG_TYPE_TL);
578 tcg_gen_xor_tl(r_temp, src1, src2); 569 tcg_gen_xor_tl(r_temp, src1, src2);
579 tcg_gen_xor_tl(cpu_tmp0, src1, dst); 570 tcg_gen_xor_tl(cpu_tmp0, src1, dst);
580 tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0); 571 tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0);
581 tcg_gen_andi_tl(r_temp, r_temp, (1 << 31)); 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 #ifdef TARGET_SPARC64 578 #ifdef TARGET_SPARC64
588 static inline void gen_cc_V_sub_xcc(TCGv dst, TCGv src1, TCGv src2) 579 static inline void gen_cc_V_sub_xcc(TCGv dst, TCGv src1, TCGv src2)
589 { 580 {
590 TCGv r_temp; 581 TCGv r_temp;
591 - int l1;  
592 -  
593 - l1 = gen_new_label();  
594 582
595 r_temp = tcg_temp_new(TCG_TYPE_TL); 583 r_temp = tcg_temp_new(TCG_TYPE_TL);
596 tcg_gen_xor_tl(r_temp, src1, src2); 584 tcg_gen_xor_tl(r_temp, src1, src2);
597 tcg_gen_xor_tl(cpu_tmp0, src1, dst); 585 tcg_gen_xor_tl(cpu_tmp0, src1, dst);
598 tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0); 586 tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0);
599 tcg_gen_andi_tl(r_temp, r_temp, (1ULL << 63)); 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 #endif 592 #endif
605 593