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From: Eric Johnson <ericj@mips.com>
To: Stefan Weil <sw@weilnetz.de>
Cc: Peter Maydell <peter.maydell@linaro.org>,
	qemu-devel@nongnu.org, Aurelien Jarno <aurelien@aurel32.net>
Subject: Re: [Qemu-devel] [PATCH] target-mips: Replace macros by inline functions
Date: Mon, 7 Jan 2013 21:43:34 -0800	[thread overview]
Message-ID: <50EBB206.5010107@mips.com> (raw)
In-Reply-To: <1357065871-1267-1-git-send-email-sw@weilnetz.de>

On 01/01/2013 10:44 AM, Stefan Weil wrote:
> The macros RESTORE_ROUNDING_MODE and RESTORE_FLUSH_MODE silently used
> variable env from their callers. Using inline functions with env passed
> as a function argument is more transparent.
>
> This modification was proposed by Peter Maydell.
>
> Cc: Peter Maydell<peter.maydell@linaro.org>
> Signed-off-by: Stefan Weil<sw@weilnetz.de>
> ---
>   target-mips/op_helper.c |   42 ++++++++++++++++++++++++------------------
>   1 file changed, 24 insertions(+), 18 deletions(-)
>
> diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c
> index d833d78..d5c61e8 100644
> --- a/target-mips/op_helper.c
> +++ b/target-mips/op_helper.c
> @@ -2170,11 +2170,17 @@ static unsigned int ieee_rm[] = {
>       float_round_down
>   };
>
> -#define RESTORE_ROUNDING_MODE \
> -    set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31&  3],&env->active_fpu.fp_status)
> +static inline void restore_rounding_mode(CPUMIPSState *env)
> +{
> +    set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31&  3],
> +&env->active_fpu.fp_status);
> +}
>
> -#define RESTORE_FLUSH_MODE \
> -    set_flush_to_zero((env->active_fpu.fcr31&  (1<<  24)) != 0,&env->active_fpu.fp_status)
> +static inline void restore_flush_mode(CPUMIPSState *env)
> +{
> +    set_flush_to_zero((env->active_fpu.fcr31&  (1<<  24)) != 0,
> +&env->active_fpu.fp_status);
> +}
>
>   target_ulong helper_cfc1(CPUMIPSState *env, uint32_t reg)
>   {
> @@ -2230,9 +2236,9 @@ void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t reg)
>           return;
>       }
>       /* set rounding mode */
> -    RESTORE_ROUNDING_MODE;
> +    restore_rounding_mode(env);
>       /* set flush-to-zero mode */
> -    RESTORE_FLUSH_MODE;
> +    restore_flush_mode(env);
>       set_float_exception_flags(0,&env->active_fpu.fp_status);
>       if ((GET_FP_ENABLE(env->active_fpu.fcr31) | 0x20)&  GET_FP_CAUSE(env->active_fpu.fcr31))
>           do_raise_exception(env, EXCP_FPE, GETPC());
> @@ -2464,7 +2470,7 @@ uint64_t helper_float_roundl_d(CPUMIPSState *env, uint64_t fdt0)
>
>       set_float_rounding_mode(float_round_nearest_even,&env->active_fpu.fp_status);
>       dt2 = float64_to_int64(fdt0,&env->active_fpu.fp_status);
> -    RESTORE_ROUNDING_MODE;
> +    restore_rounding_mode(env);
>       if (get_float_exception_flags(&env->active_fpu.fp_status)
>           &  (float_flag_invalid | float_flag_overflow)) {
>           dt2 = FP_TO_INT64_OVERFLOW;
> @@ -2479,7 +2485,7 @@ uint64_t helper_float_roundl_s(CPUMIPSState *env, uint32_t fst0)
>
>       set_float_rounding_mode(float_round_nearest_even,&env->active_fpu.fp_status);
>       dt2 = float32_to_int64(fst0,&env->active_fpu.fp_status);
> -    RESTORE_ROUNDING_MODE;
> +    restore_rounding_mode(env);
>       if (get_float_exception_flags(&env->active_fpu.fp_status)
>           &  (float_flag_invalid | float_flag_overflow)) {
>           dt2 = FP_TO_INT64_OVERFLOW;
> @@ -2494,7 +2500,7 @@ uint32_t helper_float_roundw_d(CPUMIPSState *env, uint64_t fdt0)
>
>       set_float_rounding_mode(float_round_nearest_even,&env->active_fpu.fp_status);
>       wt2 = float64_to_int32(fdt0,&env->active_fpu.fp_status);
> -    RESTORE_ROUNDING_MODE;
> +    restore_rounding_mode(env);
>       if (get_float_exception_flags(&env->active_fpu.fp_status)
>           &  (float_flag_invalid | float_flag_overflow)) {
>           wt2 = FP_TO_INT32_OVERFLOW;
> @@ -2509,7 +2515,7 @@ uint32_t helper_float_roundw_s(CPUMIPSState *env, uint32_t fst0)
>
>       set_float_rounding_mode(float_round_nearest_even,&env->active_fpu.fp_status);
>       wt2 = float32_to_int32(fst0,&env->active_fpu.fp_status);
> -    RESTORE_ROUNDING_MODE;
> +    restore_rounding_mode(env);
>       if (get_float_exception_flags(&env->active_fpu.fp_status)
>           &  (float_flag_invalid | float_flag_overflow)) {
>           wt2 = FP_TO_INT32_OVERFLOW;
> @@ -2576,7 +2582,7 @@ uint64_t helper_float_ceill_d(CPUMIPSState *env, uint64_t fdt0)
>
>       set_float_rounding_mode(float_round_up,&env->active_fpu.fp_status);
>       dt2 = float64_to_int64(fdt0,&env->active_fpu.fp_status);
> -    RESTORE_ROUNDING_MODE;
> +    restore_rounding_mode(env);
>       if (get_float_exception_flags(&env->active_fpu.fp_status)
>           &  (float_flag_invalid | float_flag_overflow)) {
>           dt2 = FP_TO_INT64_OVERFLOW;
> @@ -2591,7 +2597,7 @@ uint64_t helper_float_ceill_s(CPUMIPSState *env, uint32_t fst0)
>
>       set_float_rounding_mode(float_round_up,&env->active_fpu.fp_status);
>       dt2 = float32_to_int64(fst0,&env->active_fpu.fp_status);
> -    RESTORE_ROUNDING_MODE;
> +    restore_rounding_mode(env);
>       if (get_float_exception_flags(&env->active_fpu.fp_status)
>           &  (float_flag_invalid | float_flag_overflow)) {
>           dt2 = FP_TO_INT64_OVERFLOW;
> @@ -2606,7 +2612,7 @@ uint32_t helper_float_ceilw_d(CPUMIPSState *env, uint64_t fdt0)
>
>       set_float_rounding_mode(float_round_up,&env->active_fpu.fp_status);
>       wt2 = float64_to_int32(fdt0,&env->active_fpu.fp_status);
> -    RESTORE_ROUNDING_MODE;
> +    restore_rounding_mode(env);
>       if (get_float_exception_flags(&env->active_fpu.fp_status)
>           &  (float_flag_invalid | float_flag_overflow)) {
>           wt2 = FP_TO_INT32_OVERFLOW;
> @@ -2621,7 +2627,7 @@ uint32_t helper_float_ceilw_s(CPUMIPSState *env, uint32_t fst0)
>
>       set_float_rounding_mode(float_round_up,&env->active_fpu.fp_status);
>       wt2 = float32_to_int32(fst0,&env->active_fpu.fp_status);
> -    RESTORE_ROUNDING_MODE;
> +    restore_rounding_mode(env);
>       if (get_float_exception_flags(&env->active_fpu.fp_status)
>           &  (float_flag_invalid | float_flag_overflow)) {
>           wt2 = FP_TO_INT32_OVERFLOW;
> @@ -2636,7 +2642,7 @@ uint64_t helper_float_floorl_d(CPUMIPSState *env, uint64_t fdt0)
>
>       set_float_rounding_mode(float_round_down,&env->active_fpu.fp_status);
>       dt2 = float64_to_int64(fdt0,&env->active_fpu.fp_status);
> -    RESTORE_ROUNDING_MODE;
> +    restore_rounding_mode(env);
>       if (get_float_exception_flags(&env->active_fpu.fp_status)
>           &  (float_flag_invalid | float_flag_overflow)) {
>           dt2 = FP_TO_INT64_OVERFLOW;
> @@ -2651,7 +2657,7 @@ uint64_t helper_float_floorl_s(CPUMIPSState *env, uint32_t fst0)
>
>       set_float_rounding_mode(float_round_down,&env->active_fpu.fp_status);
>       dt2 = float32_to_int64(fst0,&env->active_fpu.fp_status);
> -    RESTORE_ROUNDING_MODE;
> +    restore_rounding_mode(env);
>       if (get_float_exception_flags(&env->active_fpu.fp_status)
>           &  (float_flag_invalid | float_flag_overflow)) {
>           dt2 = FP_TO_INT64_OVERFLOW;
> @@ -2666,7 +2672,7 @@ uint32_t helper_float_floorw_d(CPUMIPSState *env, uint64_t fdt0)
>
>       set_float_rounding_mode(float_round_down,&env->active_fpu.fp_status);
>       wt2 = float64_to_int32(fdt0,&env->active_fpu.fp_status);
> -    RESTORE_ROUNDING_MODE;
> +    restore_rounding_mode(env);
>       if (get_float_exception_flags(&env->active_fpu.fp_status)
>           &  (float_flag_invalid | float_flag_overflow)) {
>           wt2 = FP_TO_INT32_OVERFLOW;
> @@ -2681,7 +2687,7 @@ uint32_t helper_float_floorw_s(CPUMIPSState *env, uint32_t fst0)
>
>       set_float_rounding_mode(float_round_down,&env->active_fpu.fp_status);
>       wt2 = float32_to_int32(fst0,&env->active_fpu.fp_status);
> -    RESTORE_ROUNDING_MODE;
> +    restore_rounding_mode(env);
>       if (get_float_exception_flags(&env->active_fpu.fp_status)
>           &  (float_flag_invalid | float_flag_overflow)) {
>           wt2 = FP_TO_INT32_OVERFLOW;

Reviewed-by: Eric Johnson <ericj@mips.com>

  reply	other threads:[~2013-01-08  5:56 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-01 18:44 [Qemu-devel] [PATCH] target-mips: Replace macros by inline functions Stefan Weil
2013-01-08  5:43 ` Eric Johnson [this message]
2013-01-08 15:45 ` Aurelien Jarno

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