Commit fe253235b2b3c78587c049b8504c2ef2ea7b5ced

Authored by ths
1 parent 32407103

Wrap a few often used tests with unlikely(), by Aurelien Jarno.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3242 c046a42c-6fe2-441c-8c8c-71466251a162
Showing 1 changed file with 6 additions and 6 deletions
target-mips/translate.c
... ... @@ -733,19 +733,19 @@ static inline void generate_exception (DisasContext *ctx, int excp)
733 733  
734 734 static inline void check_cp0_enabled(DisasContext *ctx)
735 735 {
736   - if (!(ctx->hflags & MIPS_HFLAG_CP0))
  736 + if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
737 737 generate_exception_err(ctx, EXCP_CpU, 1);
738 738 }
739 739  
740 740 static inline void check_cp1_enabled(DisasContext *ctx)
741 741 {
742   - if (!(ctx->hflags & MIPS_HFLAG_FPU))
  742 + if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
743 743 generate_exception_err(ctx, EXCP_CpU, 1);
744 744 }
745 745  
746 746 static inline void check_cp1_64bitmode(DisasContext *ctx)
747 747 {
748   - if (!(ctx->hflags & MIPS_HFLAG_F64))
  748 + if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64)))
749 749 generate_exception(ctx, EXCP_RI);
750 750 }
751 751  
... ... @@ -762,7 +762,7 @@ static inline void check_cp1_64bitmode(DisasContext *ctx)
762 762 */
763 763 void check_cp1_registers(DisasContext *ctx, int regs)
764 764 {
765   - if (!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))
  765 + if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1)))
766 766 generate_exception(ctx, EXCP_RI);
767 767 }
768 768  
... ... @@ -778,7 +778,7 @@ static inline void check_insn(CPUState *env, DisasContext *ctx, int flags)
778 778 CPU is not MIPS MT capable. */
779 779 static inline void check_mips_mt(CPUState *env, DisasContext *ctx)
780 780 {
781   - if (!(env->CP0_Config3 & (1 << CP0C3_MT)))
  781 + if (unlikely(!(env->CP0_Config3 & (1 << CP0C3_MT))))
782 782 generate_exception(ctx, EXCP_RI);
783 783 }
784 784  
... ... @@ -786,7 +786,7 @@ static inline void check_mips_mt(CPUState *env, DisasContext *ctx)
786 786 instructions are not enabled. */
787 787 static inline void check_mips_64(DisasContext *ctx)
788 788 {
789   - if (!(ctx->hflags & MIPS_HFLAG_64))
  789 + if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
790 790 generate_exception(ctx, EXCP_RI);
791 791 }
792 792  
... ...