target-mips: Use local float status pointer across MSA macros (1a4d5700) · Commits · SUMMER2020 / students / proj-2021291

target-mips/msa_helper.c

+34 −35

Original line number	Diff line number	Diff line
		@@ -1782,15 +1782,14 @@ static inline int32 float64_to_q32(float64 a STATUS_PARAM)

		#define MSA_FLOAT_COND(DEST, OP, ARG1, ARG2, BITS, QUIET) \
		do { \
		float_status *status = &env->active_tc.msa_fp_status; \
		int c; \
		int64_t cond; \
		set_float_exception_flags(0, &env->active_tc.msa_fp_status); \
		set_float_exception_flags(0, status); \
		if (!QUIET) { \
		cond = float ## BITS ## _ ## OP(ARG1, ARG2, \
		&env->active_tc.msa_fp_status); \
		cond = float ## BITS ## _ ## OP(ARG1, ARG2, status); \
		} else { \
		cond = float ## BITS ## _ ## OP ## _quiet(ARG1, ARG2, \
		&env->active_tc.msa_fp_status); \
		cond = float ## BITS ## _ ## OP ## _quiet(ARG1, ARG2, status); \
		} \
		DEST = cond ? M_MAX_UINT(BITS) : 0; \
		c = update_msacsr(env, CLEAR_IS_INEXACT, 0); \
		@@ -2375,11 +2374,11 @@ void helper_msa_fsne_df(CPUMIPSState *env, uint32_t df, uint32_t wd,

		#define MSA_FLOAT_BINOP(DEST, OP, ARG1, ARG2, BITS) \
		do { \
		float_status *status = &env->active_tc.msa_fp_status; \
		int c; \
		\
		set_float_exception_flags(0, &env->active_tc.msa_fp_status); \
		DEST = float ## BITS ## _ ## OP(ARG1, ARG2, \
		&env->active_tc.msa_fp_status); \
		set_float_exception_flags(0, status); \
		DEST = float ## BITS ## _ ## OP(ARG1, ARG2, status); \
		c = update_msacsr(env, 0, IS_DENORMAL(DEST, BITS)); \
		\
		if (get_enabled_exceptions(env, c)) { \
		@@ -2511,11 +2510,11 @@ void helper_msa_fdiv_df(CPUMIPSState *env, uint32_t df, uint32_t wd,

		#define MSA_FLOAT_MULADD(DEST, ARG1, ARG2, ARG3, NEGATE, BITS) \
		do { \
		float_status *status = &env->active_tc.msa_fp_status; \
		int c; \
		\
		set_float_exception_flags(0, &env->active_tc.msa_fp_status); \
		DEST = float ## BITS ## _muladd(ARG2, ARG3, ARG1, NEGATE, \
		&env->active_tc.msa_fp_status); \
		set_float_exception_flags(0, status); \
		DEST = float ## BITS ## _muladd(ARG2, ARG3, ARG1, NEGATE, status); \
		c = update_msacsr(env, 0, IS_DENORMAL(DEST, BITS)); \
		\
		if (get_enabled_exceptions(env, c)) { \
		@@ -2630,10 +2629,11 @@ void helper_msa_fexp2_df(CPUMIPSState *env, uint32_t df, uint32_t wd,

		#define MSA_FLOAT_UNOP(DEST, OP, ARG, BITS) \
		do { \
		float_status *status = &env->active_tc.msa_fp_status; \
		int c; \
		\
		set_float_exception_flags(0, &env->active_tc.msa_fp_status); \
		DEST = float ## BITS ## _ ## OP(ARG, &env->active_tc.msa_fp_status);\
		set_float_exception_flags(0, status); \
		DEST = float ## BITS ## _ ## OP(ARG, status); \
		c = update_msacsr(env, 0, IS_DENORMAL(DEST, BITS)); \
		\
		if (get_enabled_exceptions(env, c)) { \
		@@ -2678,10 +2678,11 @@ void helper_msa_fexdo_df(CPUMIPSState *env, uint32_t df, uint32_t wd,

		#define MSA_FLOAT_UNOP_XD(DEST, OP, ARG, BITS, XBITS) \
		do { \
		float_status *status = &env->active_tc.msa_fp_status; \
		int c; \
		\
		set_float_exception_flags(0, &env->active_tc.msa_fp_status); \
		DEST = float ## BITS ## _ ## OP(ARG, &env->active_tc.msa_fp_status);\
		set_float_exception_flags(0, status); \
		DEST = float ## BITS ## _ ## OP(ARG, status); \
		c = update_msacsr(env, CLEAR_FS_UNDERFLOW, 0); \
		\
		if (get_enabled_exceptions(env, c)) { \
		@@ -2728,11 +2729,11 @@ void helper_msa_ftq_df(CPUMIPSState *env, uint32_t df, uint32_t wd,

		#define MSA_FLOAT_MAXOP(DEST, OP, ARG1, ARG2, BITS) \
		do { \
		float_status *status = &env->active_tc.msa_fp_status; \
		int c; \
		\
		set_float_exception_flags(0, &env->active_tc.msa_fp_status); \
		DEST = float ## BITS ## _ ## OP(ARG1, ARG2, \
		&env->active_tc.msa_fp_status); \
		set_float_exception_flags(0, status); \
		DEST = float ## BITS ## _ ## OP(ARG1, ARG2, status); \
		c = update_msacsr(env, 0, 0); \
		\
		if (get_enabled_exceptions(env, c)) { \
		@@ -2924,10 +2925,11 @@ void helper_msa_fclass_df(CPUMIPSState *env, uint32_t df,

		#define MSA_FLOAT_UNOP0(DEST, OP, ARG, BITS) \
		do { \
		float_status *status = &env->active_tc.msa_fp_status; \
		int c; \
		\
		set_float_exception_flags(0, &env->active_tc.msa_fp_status); \
		DEST = float ## BITS ## _ ## OP(ARG, &env->active_tc.msa_fp_status);\
		set_float_exception_flags(0, status); \
		DEST = float ## BITS ## _ ## OP(ARG, status); \
		c = update_msacsr(env, CLEAR_FS_UNDERFLOW, 0); \
		\
		if (get_enabled_exceptions(env, c)) { \
		@@ -3029,11 +3031,11 @@ void helper_msa_fsqrt_df(CPUMIPSState *env, uint32_t df, uint32_t wd,

		#define MSA_FLOAT_RECIPROCAL(DEST, ARG, BITS) \
		do { \
		float_status *status = &env->active_tc.msa_fp_status; \
		int c; \
		\
		set_float_exception_flags(0, &env->active_tc.msa_fp_status); \
		DEST = float ## BITS ## _ ## div(FLOAT_ONE ## BITS, ARG, \
		&env->active_tc.msa_fp_status); \
		set_float_exception_flags(0, status); \
		DEST = float ## BITS ## _ ## div(FLOAT_ONE ## BITS, ARG, status); \
		c = update_msacsr(env, float ## BITS ## _is_infinity(ARG) \|\| \
		float ## BITS ## _is_quiet_nan(DEST) ? \
		0 : RECIPROCAL_INEXACT, \
		@@ -3138,23 +3140,20 @@ void helper_msa_frint_df(CPUMIPSState *env, uint32_t df, uint32_t wd,

		#define MSA_FLOAT_LOGB(DEST, ARG, BITS) \
		do { \
		float_status *status = &env->active_tc.msa_fp_status; \
		int c; \
		\
		set_float_exception_flags(0, &env->active_tc.msa_fp_status); \
		set_float_rounding_mode(float_round_down, \
		&env->active_tc.msa_fp_status); \
		DEST = float ## BITS ## _ ## log2(ARG, \
		&env->active_tc.msa_fp_status); \
		DEST = float ## BITS ## _ ## round_to_int(DEST, \
		&env->active_tc.msa_fp_status); \
		set_float_exception_flags(0, status); \
		set_float_rounding_mode(float_round_down, status); \
		DEST = float ## BITS ## _ ## log2(ARG, status); \
		DEST = float ## BITS ## _ ## round_to_int(DEST, status); \
		set_float_rounding_mode(ieee_rm[(env->active_tc.msacsr & \
		MSACSR_RM_MASK) >> MSACSR_RM], \
		&env->active_tc.msa_fp_status); \
		status); \
		\
		set_float_exception_flags( \
		get_float_exception_flags(&env->active_tc.msa_fp_status) \
		& (~float_flag_inexact), \
		&env->active_tc.msa_fp_status); \
		set_float_exception_flags(get_float_exception_flags(status) & \
		(~float_flag_inexact), \
		status); \
		\
		c = update_msacsr(env, 0, IS_DENORMAL(DEST, BITS)); \
		\