gwj / at91sam9263 · Commits

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
Inline Side-by-side
Showing 1 changed file with 6 additions and 6 deletions
target-mips/translate.c
  View file @fe25323
@@ -733,19 +733,19 @@ static inline void generate_exception (DisasContext *ctx, int excp) @@ -733,19 +733,19 @@ static inline void generate_exception (DisasContext *ctx, int excp)
733 733
734 static inline void check_cp0_enabled(DisasContext *ctx) 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 generate_exception_err(ctx, EXCP_CpU, 1); 737 generate_exception_err(ctx, EXCP_CpU, 1);
738 } 738 }
739 739
740 static inline void check_cp1_enabled(DisasContext *ctx) 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 generate_exception_err(ctx, EXCP_CpU, 1); 743 generate_exception_err(ctx, EXCP_CpU, 1);
744 } 744 }
745 745
746 static inline void check_cp1_64bitmode(DisasContext *ctx) 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 generate_exception(ctx, EXCP_RI); 749 generate_exception(ctx, EXCP_RI);
750 } 750 }
751 751
@@ -762,7 +762,7 @@ static inline void check_cp1_64bitmode(DisasContext *ctx) @@ -762,7 +762,7 @@ static inline void check_cp1_64bitmode(DisasContext *ctx)
762 */ 762 */
763 void check_cp1_registers(DisasContext *ctx, int regs) 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 generate_exception(ctx, EXCP_RI); 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) @@ -778,7 +778,7 @@ static inline void check_insn(CPUState *env, DisasContext *ctx, int flags)
778 CPU is not MIPS MT capable. */ 778 CPU is not MIPS MT capable. */
779 static inline void check_mips_mt(CPUState *env, DisasContext *ctx) 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 generate_exception(ctx, EXCP_RI); 782 generate_exception(ctx, EXCP_RI);
783 } 783 }
784 784
@@ -786,7 +786,7 @@ static inline void check_mips_mt(CPUState *env, DisasContext *ctx) @@ -786,7 +786,7 @@ static inline void check_mips_mt(CPUState *env, DisasContext *ctx)
786 instructions are not enabled. */ 786 instructions are not enabled. */
787 static inline void check_mips_64(DisasContext *ctx) 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 generate_exception(ctx, EXCP_RI); 790 generate_exception(ctx, EXCP_RI);
791 } 791 }
792 792