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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
This commit is contained in:
ths 2007-09-26 23:50:39 +00:00
parent 324071035f
commit fe253235b2
1 changed files with 6 additions and 6 deletions
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12
target-mips/translate.c
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@ -733,19 +733,19 @@ static inline void generate_exception (DisasContext *ctx, int excp)
static inline void check_cp0_enabled(DisasContext *ctx)
{
if (!(ctx->hflags & MIPS_HFLAG_CP0))
if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
generate_exception_err(ctx, EXCP_CpU, 1);
}
static inline void check_cp1_enabled(DisasContext *ctx)
{
if (!(ctx->hflags & MIPS_HFLAG_FPU))
if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
generate_exception_err(ctx, EXCP_CpU, 1);
}
static inline void check_cp1_64bitmode(DisasContext *ctx)
{
if (!(ctx->hflags & MIPS_HFLAG_F64))
if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64)))
generate_exception(ctx, EXCP_RI);
}
@ -762,7 +762,7 @@ static inline void check_cp1_64bitmode(DisasContext *ctx)
*/
void check_cp1_registers(DisasContext *ctx, int regs)
{
if (!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))
if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1)))
generate_exception(ctx, EXCP_RI);
}
@ -778,7 +778,7 @@ static inline void check_insn(CPUState *env, DisasContext *ctx, int flags)
CPU is not MIPS MT capable. */
static inline void check_mips_mt(CPUState *env, DisasContext *ctx)
{
if (!(env->CP0_Config3 & (1 << CP0C3_MT)))
if (unlikely(!(env->CP0_Config3 & (1 << CP0C3_MT))))
generate_exception(ctx, EXCP_RI);
}
@ -786,7 +786,7 @@ static inline void check_mips_mt(CPUState *env, DisasContext *ctx)
instructions are not enabled. */
static inline void check_mips_64(DisasContext *ctx)
{
if (!(ctx->hflags & MIPS_HFLAG_64))
if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
generate_exception(ctx, EXCP_RI);
}