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target/mips: msa: Simplify and move helper for MOVE.V

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Achieves clearer code and slightly better performance.

Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1569415572-19635-20-git-send-email-aleksandar.markovic@rt-rk.com>
This commit is contained in:
Aleksandar Markovic 2019-09-25 14:46:11 +02:00
parent a6387ea5de
commit 26f0e079a0
2 changed files with 14 additions and 19 deletions
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2
target/mips/helper.h
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@ -887,6 +887,7 @@ DEF_HELPER_4(msa_mod_s_h, void, env, i32, i32, i32)
DEF_HELPER_4(msa_mod_s_w, void, env, i32, i32, i32)
DEF_HELPER_4(msa_mod_s_d, void, env, i32, i32, i32)
DEF_HELPER_3(msa_move_v, void, env, i32, i32)
DEF_HELPER_4(msa_andi_b, void, env, i32, i32, i32)
DEF_HELPER_4(msa_ori_b, void, env, i32, i32, i32)
@ -977,7 +978,6 @@ DEF_HELPER_5(msa_splati_df, void, env, i32, i32, i32, i32)
DEF_HELPER_5(msa_insve_df, void, env, i32, i32, i32, i32)
DEF_HELPER_3(msa_ctcmsa, void, env, tl, i32)
DEF_HELPER_2(msa_cfcmsa, tl, env, i32)
DEF_HELPER_3(msa_move_v, void, env, i32, i32)
DEF_HELPER_5(msa_fcaf_df, void, env, i32, i32, i32, i32)
DEF_HELPER_5(msa_fcun_df, void, env, i32, i32, i32, i32)

31
target/mips/msa_helper.c
View file

@ -2022,7 +2022,19 @@ void helper_msa_mod_u_d(CPUMIPSState *env,
* +---------------+----------------------------------------------------------+
*/
/* TODO: insert Move group helpers here */
static inline void msa_move_v(wr_t *pwd, wr_t *pws)
{
pwd->d[0] = pws->d[0];
pwd->d[1] = pws->d[1];
}
void helper_msa_move_v(CPUMIPSState *env, uint32_t wd, uint32_t ws)
{
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
wr_t *pws = &(env->active_fpu.fpr[ws].wr);
msa_move_v(pwd, pws);
}
/*
@ -2079,15 +2091,6 @@ void helper_msa_mod_u_d(CPUMIPSState *env,
/* TODO: insert Shift group helpers here */
static inline void msa_move_v(wr_t *pwd, wr_t *pws)
{
uint32_t i;
for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) {
pwd->d[i] = pws->d[i];
}
}
#define MSA_FN_IMM8(FUNC, DEST, OPERATION) \
void helper_msa_ ## FUNC(CPUMIPSState *env, uint32_t wd, uint32_t ws, \
uint32_t i8) \
@ -3874,14 +3877,6 @@ target_ulong helper_msa_cfcmsa(CPUMIPSState *env, uint32_t cs)
return 0;
}
void helper_msa_move_v(CPUMIPSState *env, uint32_t wd, uint32_t ws)
{
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
wr_t *pws = &(env->active_fpu.fpr[ws].wr);
msa_move_v(pwd, pws);
}
void helper_msa_fill_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
uint32_t rs)
{